nginx: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 8638:d1cf691a82e8 quic

Core: hide "struct ngx_quic_connection_s" and further reduce diffs. As with the previous change, it became feasible with feec2cc762f6 that removes ngx_quic_connection_t from ngx_connection_s.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Fri, 13 Nov 2020 15:11:29 +0000
parents	831d1960826f
children	9d28e9028aa5

rev	line source
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	6
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	7 #include <ngx_config.h>
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	8 #include <ngx_core.h>
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	9 #include <ngx_event.h>
8486 d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	10 #include <ngx_event_quic_transport.h>
d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution. Sergey Kandaurov <pluknet@nginx.com> parents: 8483 diff changeset	11 #include <ngx_event_quic_protection.h>
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	12
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	13
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	14 /* 0-RTT and 1-RTT data exist in the same packet number space,
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	15 * so we have 3 packet number spaces:
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	16 *
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	17 * 0 - Initial
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	18 * 1 - Handshake
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	19 * 2 - 0-RTT and 1-RTT
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	20 */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	21 #define ngx_quic_get_send_ctx(qc, level) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	22 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	23 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	24 : &((qc)->send_ctx[2]))
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	25
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	26 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	27
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	28 #define NGX_QUIC_STREAMS_INC 16
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	29 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	30
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	31 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	32 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	33 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	34 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	35 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	36
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	37 #define NGX_QUIC_STREAM_GONE (void *) -1
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	38
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	39 #define NGX_QUIC_UNSET_PN (uint64_t) -1
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	40
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	41 /*
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	42 * Endpoints MUST discard packets that are too small to be valid QUIC
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	43 * packets. With the set of AEAD functions defined in [QUIC-TLS],
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	44 * packets that are smaller than 21 bytes are never valid.
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	45 */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	46 #define NGX_QUIC_MIN_PKT_LEN 21
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	47
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	48 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 random + 16 srt + 22 padding */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	49 #define NGX_QUIC_MAX_SR_PACKET 1200
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	50
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	51 #define NGX_QUIC_MAX_ACK_GAP 2
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	52
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	53 #define ngx_quic_level_name(lvl) \
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	54 (lvl == ssl_encryption_application) ? "app" \
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	55 : (lvl == ssl_encryption_initial) ? "init" \
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	56 : (lvl == ssl_encryption_handshake) ? "hs" : "early"
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	57
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	58
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	59 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	60 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	61 ngx_rbtree_node_t sentinel;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	62
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	63 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	64 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	65 uint64_t recv_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	66 uint64_t send_max_data;
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	67
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	68 uint64_t server_max_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	69 uint64_t server_max_streams_bidi;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	70 uint64_t server_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	71 uint64_t server_streams_bidi;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	72
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	73 uint64_t client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	74 uint64_t client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	75 uint64_t client_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	76 uint64_t client_streams_bidi;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	77 } ngx_quic_streams_t;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	78
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	79
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	80 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	81 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	82 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	83 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	84 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	85 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	86
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	87
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	88 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	89 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	90 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	91 * Conceptually, a packet number space is the context in which a packet
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	92 * can be processed and acknowledged. Initial packets can only be sent
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	93 * with Initial packet protection keys and acknowledged in packets which
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	94 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	95 */
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	96 typedef struct {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	97 enum ssl_encryption_level_t level;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	98
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	99 uint64_t pnum; /* to be sent */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	100 uint64_t largest_ack; /* received from peer */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	101 uint64_t largest_pn; /* received from peer */
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	102
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	103 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	104 ngx_queue_t sent;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	105
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	106 uint64_t pending_ack; /* non sent ack-eliciting */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	107 uint64_t largest_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	108 uint64_t first_range;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	109 ngx_msec_t largest_received;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	110 ngx_msec_t ack_delay_start;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	111 ngx_uint_t nranges;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	112 ngx_quic_ack_range_t ranges[NGX_QUIC_MAX_RANGES];
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	113 ngx_uint_t send_ack;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	114 } ngx_quic_send_ctx_t;
8307 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	115
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 8306 diff changeset	116
8638 d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs. Sergey Kandaurov <pluknet@nginx.com> parents: 8634 diff changeset	117 typedef struct {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	118 ngx_udp_connection_t udp;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	119
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	120 uint32_t version;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	121 ngx_str_t scid; /* initial client ID */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	122 ngx_str_t dcid; /* server (our own) ID */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	123 ngx_str_t odcid; /* original server ID */
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	124 ngx_str_t token;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	125
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	126 struct sockaddr *sockaddr;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	127 socklen_t socklen;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	128
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	129 ngx_queue_t client_ids;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	130 ngx_queue_t server_ids;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	131 ngx_queue_t free_client_ids;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	132 ngx_queue_t free_server_ids;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	133 ngx_uint_t nclient_ids;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	134 ngx_uint_t nserver_ids;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	135 uint64_t max_retired_seqnum;
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	136 uint64_t client_seqnum;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	137 uint64_t server_seqnum;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	138
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	139 ngx_uint_t client_tp_done;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	140 ngx_quic_tp_t tp;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	141 ngx_quic_tp_t ctp;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	142
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	143 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	144
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	145 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	146
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	147 ngx_quic_keys_t *keys;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	148
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	149 ngx_quic_conf_t *conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	150
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	151 ngx_event_t push;
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	152 ngx_event_t pto;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	153 ngx_event_t close;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	154 ngx_queue_t free_frames;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	155 ngx_msec_t last_cc;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	156
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	157 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	158 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	159 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	160 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	161
8518 f9b1a4e52597 QUIC: changed c->quic->pto_count type to ngx_uint_t. Sergey Kandaurov <pluknet@nginx.com> parents: 8517 diff changeset	162 ngx_uint_t pto_count;
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	163
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	164 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	165 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	166 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	167
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	168 ngx_quic_streams_t streams;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	169 ngx_quic_congestion_t congestion;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	170 size_t received;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	171
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	172 ngx_uint_t error;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	173 enum ssl_encryption_level_t error_level;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	174 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	175 const char *error_reason;
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	176
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	177 unsigned error_app:1;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	178 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	179 unsigned closing:1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	180 unsigned draining:1;
8319 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8316 diff changeset	181 unsigned key_phase:1;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	182 unsigned in_retry:1;
8397 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 8394 diff changeset	183 unsigned initialized:1;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	184 unsigned validated:1;
8638 d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs. Sergey Kandaurov <pluknet@nginx.com> parents: 8634 diff changeset	185 } ngx_quic_connection_t;
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	186
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	187
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	188 typedef struct {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	189 ngx_queue_t queue;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	190 uint64_t seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	191 size_t len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	192 u_char id[NGX_QUIC_CID_LEN_MAX];
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	193 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN];
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	194 } ngx_quic_client_id_t;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	195
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	196
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	197 typedef struct {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	198 ngx_udp_connection_t udp;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	199 ngx_queue_t queue;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	200 uint64_t seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	201 size_t len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	202 u_char id[NGX_QUIC_CID_LEN_MAX];
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	203 } ngx_quic_server_id_t;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	204
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	205
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	206 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	207 ngx_quic_frame_t frame, void data);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	208
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	209
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	210 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	211 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	212 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	213 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	214 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	215 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	216 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	217 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	218 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	219 enum ssl_encryption_level_t level, const uint8_t *read_secret,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	220 const uint8_t *write_secret, size_t secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	221 #endif
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	222
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	223 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	224 enum ssl_encryption_level_t level, const uint8_t *data, size_t len);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	225 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	226 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	227 enum ssl_encryption_level_t level, uint8_t alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	228
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	229
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	230 static ngx_quic_connection_t ngx_quic_new_connection(ngx_connection_t c,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	231 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	232 static ngx_int_t ngx_quic_send_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	233 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	234 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	235 ngx_quic_header_t *pkt);
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	236 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	237 ngx_quic_header_t *inpkt);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	238 static ngx_int_t ngx_quic_create_server_id(ngx_connection_t c, u_char id);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	239 static ngx_int_t ngx_quic_send_retry(ngx_connection_t *c);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	240 static ngx_int_t ngx_quic_new_token(ngx_connection_t c, ngx_str_t token);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	241 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	242 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	243 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	244 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	245 static void ngx_quic_input_handler(ngx_event_t *rev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	246
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	247 static void ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	248 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	249 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	250 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	251 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	252
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	253 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b,
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	254 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	255 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	256 ngx_quic_conf_t conf, ngx_quic_header_t pkt);
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	257 static ngx_int_t ngx_quic_init_secrets(ngx_connection_t *c);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	258 static void ngx_quic_discard_ctx(ngx_connection_t *c,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	259 enum ssl_encryption_level_t level);
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	260 static ngx_int_t ngx_quic_check_peer(ngx_quic_connection_t *qc,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	261 ngx_quic_header_t *pkt);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	262 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	263 ngx_quic_header_t *pkt);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	264 static ngx_int_t ngx_quic_ack_packet(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	265 ngx_quic_header_t *pkt);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	266 static ngx_int_t ngx_quic_send_ack_range(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	267 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	268 static void ngx_quic_drop_ack_ranges(ngx_connection_t *c,
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	269 ngx_quic_send_ctx_t *ctx, uint64_t pn);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	270 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	271 ngx_quic_send_ctx_t *ctx);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	272 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	273 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	274
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	275 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	276 ngx_quic_header_t pkt, ngx_quic_ack_frame_t f);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	277 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	278 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	279 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	280 static void ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	281 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	282 static ngx_inline ngx_msec_t ngx_quic_pto(ngx_connection_t *c,
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	283 ngx_quic_send_ctx_t *ctx);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	284 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	285 ngx_quic_frame_t *f);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	286
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	287 static ngx_int_t ngx_quic_handle_ordered_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	288 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	289 ngx_quic_frame_handler_pt handler, void *data);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	290 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	291 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	292 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	293 ngx_quic_frames_stream_t stream, ngx_quic_frame_t f);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	294
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	295 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	296 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	297 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	298 ngx_quic_frame_t frame, void data);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	299 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	300 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	301 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	302 ngx_quic_frame_t frame, void data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	303
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	304 static ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	305 ngx_quic_max_data_frame_t *f);
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	306 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	307 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	308 static ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	309 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	310 static ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	311 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	312 static ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	313 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	314 static ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	315 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	316 static ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	317 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f);
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	318 static ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	319 ngx_quic_header_t pkt, ngx_quic_path_challenge_frame_t f);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	320 static ngx_int_t ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	321 ngx_quic_header_t pkt, ngx_quic_new_conn_id_frame_t f);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	322 static ngx_int_t ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	323 enum ssl_encryption_level_t level, uint64_t seqnum);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	324 static ngx_int_t ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	325 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	326 static ngx_int_t ngx_quic_issue_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	327 static void ngx_quic_clear_temp_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	328 static ngx_quic_server_id_t ngx_quic_insert_server_id(ngx_connection_t c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	329 ngx_str_t *id);
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	330 static ngx_quic_client_id_t ngx_quic_alloc_client_id(ngx_connection_t c,
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	331 ngx_quic_connection_t *qc);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	332 static ngx_quic_server_id_t ngx_quic_alloc_server_id(ngx_connection_t c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	333 ngx_quic_connection_t *qc);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	334
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	335 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	336 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	337
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	338 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	339 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	340 ngx_quic_send_ctx_t *ctx);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	341 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	342 static ngx_int_t ngx_quic_send_frames(ngx_connection_t *c,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	343 ngx_quic_send_ctx_t ctx, ngx_queue_t frames);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	344
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	345 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	346 ngx_quic_send_ctx_t *ctx);
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	347 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	348 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	349 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	350 static void ngx_quic_resend_frames(ngx_connection_t *c,
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	351 ngx_quic_send_ctx_t *ctx);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	352 static void ngx_quic_push_handler(ngx_event_t *ev);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	353
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	354 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	355 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	356 static ngx_quic_stream_t ngx_quic_find_stream(ngx_rbtree_t rbtree,
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	357 uint64_t id);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	358 static ngx_quic_stream_t ngx_quic_create_client_stream(ngx_connection_t c,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	359 uint64_t id);
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	360 static ngx_quic_stream_t ngx_quic_create_stream(ngx_connection_t c,
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	361 uint64_t id, size_t rcvbuf_size);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	362 static ssize_t ngx_quic_stream_recv(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	363 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	364 static ssize_t ngx_quic_stream_send(ngx_connection_t c, u_char buf,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	365 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	366 static ngx_chain_t ngx_quic_stream_send_chain(ngx_connection_t c,
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	367 ngx_chain_t *in, off_t limit);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	368 static size_t ngx_quic_max_stream_frame(ngx_quic_connection_t *qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	369 static size_t ngx_quic_max_stream_flow(ngx_connection_t *c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	370 static void ngx_quic_stream_cleanup_handler(void *data);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	371 static ngx_quic_frame_t ngx_quic_alloc_frame(ngx_connection_t c, size_t size);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	372 static void ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	373
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	374 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	375 ngx_quic_frame_t *frame);
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	376 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	377 ngx_quic_frame_t *frame);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	378
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	379
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	380 static SSL_QUIC_METHOD quic_method = {
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	381 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	382 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	383 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	384 #else
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	385 ngx_quic_set_encryption_secrets,
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	386 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	387 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	388 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	389 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	390 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	391
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	392
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	393 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	394
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	395 static void
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	396 ngx_quic_log_frame(ngx_log_t log, ngx_quic_frame_t f, ngx_uint_t tx)
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	397 {
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	398 u_char p, last, pos, end;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	399 ssize_t n;
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	400 uint64_t gap, range, largest, smallest;
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	401 ngx_uint_t i;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	402 u_char buf[NGX_MAX_ERROR_STR];
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	403
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	404 p = buf;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	405 last = buf + sizeof(buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	406
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	407 switch (f->type) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	408
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	409 case NGX_QUIC_FT_CRYPTO:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	410 p = ngx_slprintf(p, last, "CRYPTO len:%uL off:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	411 f->u.crypto.length, f->u.crypto.offset);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	412 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	413
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	414 case NGX_QUIC_FT_PADDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	415 p = ngx_slprintf(p, last, "PADDING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	416 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	417
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	418 case NGX_QUIC_FT_ACK:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	419 case NGX_QUIC_FT_ACK_ECN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	420
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	421 p = ngx_slprintf(p, last, "ACK n:%ui delay:%uL ",
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	422 f->u.ack.range_count, f->u.ack.delay);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	423
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	424 pos = f->u.ack.ranges_start;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	425 end = f->u.ack.ranges_end;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	426
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	427 largest = f->u.ack.largest;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	428 smallest = f->u.ack.largest - f->u.ack.first_range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	429
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	430 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	431 p = ngx_slprintf(p, last, "%uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	432
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	433 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	434 p = ngx_slprintf(p, last, "%uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	435 }
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	436
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	437 for (i = 0; i < f->u.ack.range_count; i++) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	438 n = ngx_quic_parse_ack_range(log, pos, end, &gap, &range);
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	439 if (n == NGX_ERROR) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	440 break;
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	441 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	442
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	443 pos += n;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	444
8614 3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	445 largest = smallest - gap - 2;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	446 smallest = largest - range;
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	447
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	448 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	449 p = ngx_slprintf(p, last, " %uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	450
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	451 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	452 p = ngx_slprintf(p, last, " %uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8613 diff changeset	453 }
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	454 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	455
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	456 if (f->type == NGX_QUIC_FT_ACK_ECN) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	457 p = ngx_slprintf(p, last, " ECN counters ect0:%uL ect1:%uL ce:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	458 f->u.ack.ect0, f->u.ack.ect1, f->u.ack.ce);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	459 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	460 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	461
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	462 case NGX_QUIC_FT_PING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	463 p = ngx_slprintf(p, last, "PING");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	464 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	465
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	466 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	467 p = ngx_slprintf(p, last,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	468 "NEW_CONNECTION_ID seq:%uL retire:%uL len:%ud",
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	469 f->u.ncid.seqnum, f->u.ncid.retire, f->u.ncid.len);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	470 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	471
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	472 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	473 p = ngx_slprintf(p, last, "RETIRE_CONNECTION_ID seqnum:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	474 f->u.retire_cid.sequence_number);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	475 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	476
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	477 case NGX_QUIC_FT_CONNECTION_CLOSE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	478 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	479 p = ngx_slprintf(p, last, "CONNECTION_CLOSE%s err:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	480 f->u.close.app ? "_APP" : "", f->u.close.error_code);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	481
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	482 if (f->u.close.reason.len) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	483 p = ngx_slprintf(p, last, " %V", &f->u.close.reason);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	484 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	485
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	486 if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	487 p = ngx_slprintf(p, last, " ft:%ui", f->u.close.frame_type);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	488 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	489
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	490
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	491 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	492
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	493 case NGX_QUIC_FT_STREAM0:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	494 case NGX_QUIC_FT_STREAM1:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	495 case NGX_QUIC_FT_STREAM2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	496 case NGX_QUIC_FT_STREAM3:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	497 case NGX_QUIC_FT_STREAM4:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	498 case NGX_QUIC_FT_STREAM5:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	499 case NGX_QUIC_FT_STREAM6:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	500 case NGX_QUIC_FT_STREAM7:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	501
8615 27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	502 p = ngx_slprintf(p, last, "STREAM id:0x%xL", f->u.stream.stream_id);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	503
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	504 if (f->u.stream.off) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	505 p = ngx_slprintf(p, last, " off:%uL", f->u.stream.offset);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	506 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	507
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	508 if (f->u.stream.len) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	509 p = ngx_slprintf(p, last, " len:%uL", f->u.stream.length);
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	510 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	511
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	512 if (f->u.stream.fin) {
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	513 p = ngx_slprintf(p, last, " fin:1");
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	514 }
27e305834078 QUIC: changed STREAM frame debugging. Roman Arutyunyan <arut@nginx.com> parents: 8614 diff changeset	515
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	516 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	517
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	518 case NGX_QUIC_FT_MAX_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	519 p = ngx_slprintf(p, last, "MAX_DATA max_data:%uL on recv",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	520 f->u.max_data.max_data);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	521 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	522
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	523 case NGX_QUIC_FT_RESET_STREAM:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	524 p = ngx_slprintf(p, last, "RESET_STREAM"
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	525 " id:0x%xL error_code:0x%xL final_size:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	526 f->u.reset_stream.id, f->u.reset_stream.error_code,
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	527 f->u.reset_stream.final_size);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	528 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	529
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	530 case NGX_QUIC_FT_STOP_SENDING:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	531 p = ngx_slprintf(p, last, "STOP_SENDING id:0x%xL err:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	532 f->u.stop_sending.id, f->u.stop_sending.error_code);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	533 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	534
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	535 case NGX_QUIC_FT_STREAMS_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	536 case NGX_QUIC_FT_STREAMS_BLOCKED2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	537 p = ngx_slprintf(p, last, "STREAMS_BLOCKED limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	538 f->u.streams_blocked.limit, f->u.streams_blocked.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	539 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	540
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	541 case NGX_QUIC_FT_MAX_STREAMS:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	542 case NGX_QUIC_FT_MAX_STREAMS2:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	543 p = ngx_slprintf(p, last, "MAX_STREAMS limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	544 f->u.max_streams.limit, f->u.max_streams.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	545 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	546
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	547 case NGX_QUIC_FT_MAX_STREAM_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	548 p = ngx_slprintf(p, last, "MAX_STREAM_DATA id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	549 f->u.max_stream_data.id, f->u.max_stream_data.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	550 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	551
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	552
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	553 case NGX_QUIC_FT_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	554 p = ngx_slprintf(p, last, "DATA_BLOCKED limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	555 f->u.data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	556 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	557
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	558 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	559 p = ngx_slprintf(p, last, "STREAM_DATA_BLOCKED id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	560 f->u.stream_data_blocked.id,
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	561 f->u.stream_data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	562 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	563
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	564 case NGX_QUIC_FT_PATH_CHALLENGE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	565 p = ngx_slprintf(p, last, "PATH_CHALLENGE data:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	566 (uint64_t ) &f->u.path_challenge.data);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	567 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	568
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	569 case NGX_QUIC_FT_PATH_RESPONSE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	570 p = ngx_slprintf(p, last, "PATH_RESPONSE data:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	571 f->u.path_response);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	572 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	573
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	574 case NGX_QUIC_FT_NEW_TOKEN:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	575 p = ngx_slprintf(p, last, "NEW_TOKEN");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	576 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	577
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	578 case NGX_QUIC_FT_HANDSHAKE_DONE:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	579 p = ngx_slprintf(p, last, "HANDSHAKE DONE");
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	580 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	581
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	582 default:
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	583 p = ngx_slprintf(p, last, "unknown type 0x%xi", f->type);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	584 break;
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	585 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	586
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	587 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, "quic frame %s %s %*s",
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	588 tx ? "tx" : "rx", ngx_quic_level_name(f->level),
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	589 p - buf, buf);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	590 }
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	591
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	592
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	593 static void
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	594 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	595 {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	596 u_char p, last;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	597 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	598 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	599
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	600 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	601 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	602
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	603 qc = ngx_quic_get_connection(c);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	604
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	605 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	606
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	607 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	608
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	609 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	610 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	611 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	612
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	613 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	614 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	615 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	616 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	617
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	618 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	619 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	620 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	621 p = ngx_slprintf(p, last, "%s", qc->in_retry ? " retry" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	622 p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	623
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	624 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	625 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	626 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	627
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	628 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	629 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	630 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	631 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	632 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	633
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	634 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	635
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	636 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	637 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	638 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	639 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	640
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	641 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	642 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	643 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	644 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	645
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	646 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	647 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	648 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	649 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	650 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	651
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	652 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	653 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	654 }
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	655
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	656 #else
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	657
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	658 #define ngx_quic_log_frame(log, f, tx)
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	659 #define ngx_quic_connstate_dbg(c)
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	660
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	661 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	662
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	663
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	664 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	665
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	666 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	667 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	668 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	669 const uint8_t *rsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	670 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	671 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	672 ngx_quic_connection_t *qc;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	673
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	674 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	675 qc = ngx_quic_get_connection(c);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	676
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	677 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	678 "quic ngx_quic_set_read_secret() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	679 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	680 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	681 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	682
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	683 return ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	684 cipher, rsecret, secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	685 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	686
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	687
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	688 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	689 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	690 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	691 const uint8_t *wsecret, size_t secret_len)
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	692 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	693 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	694 ngx_quic_connection_t *qc;
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	695
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	696 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	697 qc = ngx_quic_get_connection(c);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	698
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	699 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	700 "quic ngx_quic_set_write_secret() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	701 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	702 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	703 #endif
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	704
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	705 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	706 cipher, wsecret, secret_len);
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	707 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	708
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	709 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	710
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	711 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	712 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	713 enum ssl_encryption_level_t level, const uint8_t *rsecret,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	714 const uint8_t *wsecret, size_t secret_len)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	715 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	716 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	717 const SSL_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	718 ngx_quic_connection_t *qc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	719
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	720 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	721 qc = ngx_quic_get_connection(c);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	722
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	723 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	724 "quic ngx_quic_set_encryption_secrets() level:%d", level);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	725 #ifdef NGX_QUIC_DEBUG_CRYPTO
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	726 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	727 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	728
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	729 cipher = SSL_get_current_cipher(ssl_conn);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	730
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	731 if (ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	732 cipher, rsecret, secret_len)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	733 != 1)
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	734 {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	735 return 0;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	736 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	737
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	738 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	739 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	740 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	741
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	742 #ifdef NGX_QUIC_DEBUG_CRYPTO
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	743 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	744 #endif
8303 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 8302 diff changeset	745
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	746 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	747 cipher, wsecret, secret_len);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	748 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	749
8204 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	750 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 8203 diff changeset	751
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	752
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	753 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	754 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	755 enum ssl_encryption_level_t level, const uint8_t *data, size_t len)
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	756 {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	757 u_char p, end;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	758 size_t client_params_len, fsize, limit;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	759 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	760 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	761 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	762 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	763 ngx_quic_frames_stream_t *fs;
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	764
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	765 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	766 qc = ngx_quic_get_connection(c);
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	767
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	768 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	769 "quic ngx_quic_add_handshake_data");
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	770
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	771 if (!qc->client_tp_done) {
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	772 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	773 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	774 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	775 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	776 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	777
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	778 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	779 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	780 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	781 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	782
8619 bb3f4f669417 QUIC: passing ssl_conn to SSL_get0_alpn_selected() directly. Sergey Kandaurov <pluknet@nginx.com> parents: 8617 diff changeset	783 SSL_get0_alpn_selected(ssl_conn, &data, &len);
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	784
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	785 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	786 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	787 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	788
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	789 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	790 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	791 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	792 }
8438 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	793 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 8437 diff changeset	794 #endif
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	795
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	796 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	797 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	798
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	799 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	800 "quic SSL_get_peer_quic_transport_params():"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	801 " params_len:%ui", client_params_len);
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	802
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	803 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	804 /* quic-tls 8.2 */
8447 97adb87f149b Get rid of hardcoded numbers used for quic handshake errors. Sergey Kandaurov <pluknet@nginx.com> parents: 8446 diff changeset	805 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	806 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	807
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	808 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	809 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	810 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	811 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	812
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	813 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	814 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	815
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	816 if (ngx_quic_parse_transport_params(p, end, &qc->ctp, c->log)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	817 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	818 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	819 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	820 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	821
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	822 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	823 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	824
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	825 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	826 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	827 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	828 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	829 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	830
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	831 if (qc->ctp.max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	832 \|\| qc->ctp.max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	833 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	834 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	835 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	836
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	837 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	838 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	839 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	840 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	841
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	842 if (qc->ctp.max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	843 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	844 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	845 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	846 }
8432 391d06a51bc0 Limited max udp payload size for outgoing packets. Vladimir Homutov <vl@nginx.com> parents: 8431 diff changeset	847
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	848 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	849 if (qc->scid.len != qc->ctp.initial_scid.len
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	850 \|\| ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	851 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	852 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	853 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	854 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	855 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	856 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	857 }
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	858 #endif
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	859
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	860 qc->streams.server_max_streams_bidi = qc->ctp.initial_max_streams_bidi;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	861 qc->streams.server_max_streams_uni = qc->ctp.initial_max_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	862
8435 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8434 diff changeset	863 qc->client_tp_done = 1;
8260 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	864 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8259 diff changeset	865
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	866 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	867 * we need to fit at least 1 frame into a packet, thus account head/tail;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	868 * 17 = 1 + 8x2 is max header for CRYPTO frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	869 */
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	870 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	871 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	872
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	873 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	874
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	875 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	876 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	877
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	878 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	879
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	880 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	881
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	882 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	883 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	884 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	885 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	886
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	887 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	888
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	889 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	890 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	891 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	892 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	893 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	894
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	895 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	896 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	897
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	898 ngx_quic_queue_frame(qc, frame);
8186 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 8185 diff changeset	899 }
8184 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 8183 diff changeset	900
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	901 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	902 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	903
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	904
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	905 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	906 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	907 {
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	908 #if (NGX_DEBUG)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	909 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	910
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	911 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	912
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	913 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	914 "quic ngx_quic_flush_flight()");
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	915 #endif
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	916 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	917 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	918
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	919
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	920 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	921 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	922 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	923 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	924 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	925 ngx_quic_connection_t *qc;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	926
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	927 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	928
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	929 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	930 "quic ngx_quic_send_alert() lvl:%d alert:%d",
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	931 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	932
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	933 qc = ngx_quic_get_connection(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	934 if (qc == NULL) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	935 return 1;
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	936 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	937
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	938 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	939 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	940 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	941 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	942 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	943
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	944 if (ngx_quic_send_cc(c) != NGX_OK) {
8235 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	945 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	946 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 8234 diff changeset	947
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	948 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	949 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	950
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	951
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	952 void
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	953 ngx_quic_run(ngx_connection_t c, ngx_quic_conf_t conf)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	954 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	955 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	956 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	957
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	958 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	959
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	960 rc = ngx_quic_input(c, c->buffer, conf);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	961 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	962 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	963 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	964 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	965
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	966 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	967
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	968 ngx_add_timer(c->read, qc->in_retry ? NGX_QUIC_RETRY_TIMEOUT
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	969 : qc->tp.max_idle_timeout);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	970
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	971 c->read->handler = ngx_quic_input_handler;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	972
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	973 ngx_quic_connstate_dbg(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	974 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	975 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	976
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	977
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	978 static ngx_quic_connection_t *
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	979 ngx_quic_new_connection(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	980 ngx_quic_header_t *pkt)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	981 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	982 ngx_uint_t i;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	983 ngx_quic_tp_t *ctp;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	984 ngx_quic_client_id_t *cid;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	985 ngx_quic_connection_t *qc;
8387 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 8386 diff changeset	986
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	987 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	988 if (qc == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	989 return NULL;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	990 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	991
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	992 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	993 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	994 return NULL;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	995 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	996
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	997 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	998
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	999 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1000 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1001
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1002 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1003 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	1004 ngx_queue_init(&qc->send_ctx[i].sent);
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	1005 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	1006 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	1007 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	1008 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1009 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1010
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1011 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1012 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	1013 qc->send_ctx[2].level = ssl_encryption_application;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1014
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1015 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1016 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	1017 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1018
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1019 ngx_queue_init(&qc->free_frames);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1020 ngx_queue_init(&qc->client_ids);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1021 ngx_queue_init(&qc->server_ids);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1022 ngx_queue_init(&qc->free_client_ids);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1023 ngx_queue_init(&qc->free_server_ids);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1024
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1025 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1026 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1027 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1028
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1029 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1030 * qc->latest_rtt = 0
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1031 * qc->nclient_ids = 0
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1032 * qc->nserver_ids = 0
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1033 * qc->max_retired_seqnum = 0
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1034 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	1035
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1036 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1037
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1038 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1039 qc->pto.data = c;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1040 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1041 qc->pto.cancelable = 1;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	1042
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1043 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1044 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1045 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1046 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	1047
8481 0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	1048 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter. Roman Arutyunyan <arut@nginx.com> parents: 8480 diff changeset	1049 qc->tp = conf->tp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1050
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1051 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1052 qc->sockaddr = ngx_palloc(c->pool, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1053 if (qc->sockaddr == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1054 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1055 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1056
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1057 ngx_memcpy(qc->sockaddr, c->sockaddr, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1058 qc->socklen = c->socklen;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1059 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1060
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1061 ctp = &qc->ctp;
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1062 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1063 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1064 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1065
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	1066 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	1067
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1068 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1069 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	1070
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1071 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1072 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1073 14720));
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	1074 qc->congestion.ssthresh = (size_t) -1;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1075 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	1076
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1077 qc->odcid.len = pkt->dcid.len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1078 qc->odcid.data = ngx_pstrdup(c->pool, &pkt->dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1079 if (qc->odcid.data == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1080 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1081 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1082
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1083 qc->dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1084 qc->dcid.data = ngx_pnalloc(c->pool, qc->dcid.len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1085 if (qc->dcid.data == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1086 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1087 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1088
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1089 if (ngx_quic_create_server_id(c, qc->dcid.data) != NGX_OK) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1090 return NULL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1091 }
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1092
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	1093 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1094 qc->tp.original_dcid = qc->odcid;
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	1095 #endif
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1096 qc->tp.initial_scid = qc->dcid;
8417 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 8415 diff changeset	1097
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1098 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1099 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1100 if (qc->scid.data == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1101 return NULL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1102 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1103 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1104
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	1105 cid = ngx_quic_alloc_client_id(c, qc);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1106 if (cid == NULL) {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1107 return NULL;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1108 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1109
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1110 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1111 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1112 ngx_memcpy(cid->id, pkt->scid.data, pkt->scid.len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1113
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1114 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1115 qc->nclient_ids++;
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	1116 qc->client_seqnum = 0;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	1117
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1118 qc->server_seqnum = NGX_QUIC_UNSET_PN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1119
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	1120 return qc;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1121 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1122
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1123
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1124 static ngx_int_t
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1125 ngx_quic_send_stateless_reset(ngx_connection_t c, ngx_quic_conf_t conf,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1126 ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1127 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1128 u_char *token;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1129 size_t len, max;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1130 uint16_t rndbytes;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1131 u_char buf[NGX_QUIC_MAX_SR_PACKET];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1132
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1133 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1134 "quic handle stateless reset output");
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1135
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1136 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1137 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1138 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1139
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1140 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1141 len = pkt->len - 1;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1142
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1143 } else {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1144 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1145
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1146 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1147 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1148 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1149
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1150 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1151 + NGX_QUIC_MIN_SR_PACKET;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1152 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1153
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1154 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1155 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1156 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1157
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1158 buf[0] &= ~NGX_QUIC_PKT_LONG;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1159 buf[0] \|= NGX_QUIC_PKT_FIXED_BIT;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1160
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1161 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1162
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1163 if (ngx_quic_new_sr_token(c, &pkt->dcid, &conf->sr_token_key, token)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1164 != NGX_OK)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1165 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1166 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1167 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1168
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1169 (void) c->send(c, buf, len);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1170
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1171 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1172 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1173
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1174
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1175 static ngx_int_t
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1176 ngx_quic_process_stateless_reset(ngx_connection_t c, ngx_quic_header_t pkt)
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1177 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1178 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1179 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1180 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1181 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1182 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1183
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1184 qc = ngx_quic_get_connection(c);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1185
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1186 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1187 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1188 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1189 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1190
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1191 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1192
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1193 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1194 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1195 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1196 {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1197 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1198
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1199 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1200 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1201 continue;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1202 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1203
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1204 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1205
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1206 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1207 ch \|= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1208 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1209
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1210 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1211 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1212 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1213 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1214
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1215 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1216 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1217
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1218
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1219 static ngx_int_t
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1220 ngx_quic_negotiate_version(ngx_connection_t c, ngx_quic_header_t inpkt)
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1221 {
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1222 size_t len;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1223 ngx_quic_header_t pkt;
8625 4416b7ab0a27 QUIC: multiple versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8624 diff changeset	1224 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8522 fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1225
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1226 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1227 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1228
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1229 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1230 pkt.flags = NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1231 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1232 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1233
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1234 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1235
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1236 #ifdef NGX_QUIC_DEBUG_PACKETS
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1237 ngx_quic_hexdump(c->log, "quic vnego packet to send", buf, len);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1238 #endif
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1239
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1240 (void) c->send(c, buf, len);
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1241
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1242 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1243 }
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1244
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1245
fc89d02bdca2 QUIC: added version negotiation support. Vladimir Homutov <vl@nginx.com> parents: 8519 diff changeset	1246 static ngx_int_t
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1247 ngx_quic_create_server_id(ngx_connection_t c, u_char id)
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1248 {
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1249 if (RAND_bytes(id, NGX_QUIC_SERVER_CID_LEN) != 1) {
8382 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1250 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1251 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 8381 diff changeset	1252
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1253 ngx_quic_hexdump(c->log, "quic create server id",
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1254 id, NGX_QUIC_SERVER_CID_LEN);
8368 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1255
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1256 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1257 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1258
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1259
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 8367 diff changeset	1260 static ngx_int_t
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1261 ngx_quic_send_retry(ngx_connection_t *c)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1262 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1263 ssize_t len;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1264 ngx_str_t res, token;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1265 ngx_quic_header_t pkt;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1266 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1267 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1268
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1269 qc = ngx_quic_get_connection(c);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1270
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1271 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1272 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1273 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1274
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1275 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1276 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_RETRY;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1277 pkt.version = qc->version;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1278 pkt.log = c->log;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1279 pkt.odcid = qc->odcid;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1280 pkt.dcid = qc->scid;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1281 pkt.scid = qc->dcid;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1282 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1283
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1284 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1285
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	1286 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1287 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1288 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1289
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1290 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1291 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1292 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1293
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1294 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1295 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1296 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1297 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1298
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1299 qc->token = token;
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	1300 #if (NGX_QUIC_DRAFT_VERSION < 28)
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1301 qc->tp.original_dcid = qc->odcid;
8421 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 8417 diff changeset	1302 #endif
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1303 qc->tp.retry_scid = qc->dcid;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1304 qc->in_retry = 1;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1305
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1306 if (ngx_quic_insert_server_id(c, &qc->dcid) == NULL) {
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1307 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1308 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1309
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1310 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1311 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1312
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1313
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1314 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1315 ngx_quic_new_token(ngx_connection_t c, ngx_str_t token)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1316 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1317 int len, iv_len;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1318 u_char data, p, key, iv;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1319 ngx_msec_t now;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1320 EVP_CIPHER_CTX *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1321 const EVP_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1322 struct sockaddr_in *sin;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1323 #if (NGX_HAVE_INET6)
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1324 struct sockaddr_in6 *sin6;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1325 #endif
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1326 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1327 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1328
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1329 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1330
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1331 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1332 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1333 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1334
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1335 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1336 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1337
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1338 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1339 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1340
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1341 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1342 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1343
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1344 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1345 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1346
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1347 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1348 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1349
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1350 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1351 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1352
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1353 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1354 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1355
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1356 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1357 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1358
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1359 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1360
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1361 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1362 len += sizeof(now);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1363 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1364
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1365 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1366 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1367
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1368 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1369 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1370 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1371 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1372 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1373
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1374 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1375 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1376 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1377 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1378
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1379 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1380 key = qc->conf->token_key;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1381 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1382
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1383 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1384 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1385 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1386 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1387 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1388 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1389
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1390 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1391
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1392 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1393 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1394 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1395 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1396
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1397 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1398
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1399 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1400 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1401 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1402 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1403
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1404 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1405
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1406 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1407
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1408 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1409 ngx_quic_hexdump(c->log, "quic new token", token->data, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1410 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1411
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1412 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1413 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1414
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1415
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1416 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1417 ngx_quic_validate_token(ngx_connection_t c, ngx_quic_header_t pkt)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1418 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1419 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1420 u_char key, iv, p, data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1421 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1422 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1423 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1424 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1425 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1426 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1427 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1428 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1429 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1430
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1431 qc = ngx_quic_get_connection(c);
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1432
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1433 /* Retry token */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1434
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1435 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1436 if (pkt->token.len != qc->token.len) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1437 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1438 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1439
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1440 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1441 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1442 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1443
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1444 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1445 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1446
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1447 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1448
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1449 cipher = EVP_aes_256_cbc();
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1450 key = qc->conf->token_key;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1451 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1452 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1453
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1454 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1455
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1456 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1457 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1458 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1459
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1460 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1461 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1462 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1463
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1464 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1465 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1466 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1467 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1468
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1469 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1470 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1471 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1472 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1473
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1474 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1475 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1476
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1477 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1478 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1479 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1480 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1481
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1482 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1483 EVP_CIPHER_CTX_free(ctx);
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1484 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1485 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1486
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1487 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1488
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1489 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1490
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1491 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1492 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1493 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1494
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1495 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1496 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1497
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1498 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1499 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1500
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1501 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1502 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1503
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1504 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1505 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1506
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1507 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1508 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1509
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1510 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1511 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1512
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1513 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1514 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1515
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1516 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1517 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1518
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1519 if (ngx_memcmp(tdec, data, len) != 0) {
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1520 goto bad_token;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1521 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1522
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1523 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1524
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1525 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1526 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1527 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1528 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1529
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1530 return NGX_OK;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1531
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1532 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1533
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1534 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	1535
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1536 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1537 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	1538
8622 183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	1539 return NGX_DECLINED;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1540 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1541
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1542
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1543 static ngx_int_t
8221 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 8220 diff changeset	1544 ngx_quic_init_connection(ngx_connection_t *c)
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1545 {
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1546 u_char *p;
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1547 size_t clen;
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1548 ssize_t len;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1549 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1550 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1551
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1552 qc = ngx_quic_get_connection(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1553
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	1554 if (ngx_ssl_create_connection(qc->conf->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1555 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1556 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1557
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1558 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1559
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1560 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1561 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1562 "quic SSL_set_quic_method() failed");
8232 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1563 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1564 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 8231 diff changeset	1565
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1566 #ifdef SSL_READ_EARLY_DATA_SUCCESS
8564 b52b2a33b0e5 QUIC: fixed build with OpenSSL after bed310672f39. Sergey Kandaurov <pluknet@nginx.com> parents: 8563 diff changeset	1567 if (SSL_CTX_get_max_early_data(qc->conf->ssl->ctx)) {
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1568 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1569 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1570 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1571
8634 831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1572 if (ngx_quic_new_sr_token(c, &qc->dcid, &qc->conf->sr_token_key,
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1573 qc->tp.sr_token)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1574 != NGX_OK)
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1575 {
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1576 return NGX_ERROR;
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1577 }
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1578
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1579 ngx_quic_hexdump(c->log, "quic stateless reset token",
831d1960826f QUIC: generate default stateless reset token key. Roman Arutyunyan <arut@nginx.com> parents: 8631 diff changeset	1580 qc->tp.sr_token, (size_t) NGX_QUIC_SR_TOKEN_LEN);
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	1581
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1582 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1583 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1584
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1585 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1586 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1587 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1588 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1589
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1590 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1591 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1592 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1593 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1594
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1595 #ifdef NGX_QUIC_DEBUG_PACKETS
8360 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 8359 diff changeset	1596 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1597 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1598
8247 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 8246 diff changeset	1599 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1600 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1601 "quic SSL_set_quic_transport_params() failed");
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1602 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1603 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1604
8422 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1605 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1606 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1607 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1608 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1609 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1610 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1611 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 8421 diff changeset	1612
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1613 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1614 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1615
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1616
8436 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1617 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1618 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1619 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1620 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1621
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1622 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1623 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1624 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1625 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1626 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1627
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1628 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1629 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1630
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 8435 diff changeset	1631
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1632 static void
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1633 ngx_quic_input_handler(ngx_event_t *rev)
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1634 {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1635 ssize_t n;
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1636 ngx_int_t rc;
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1637 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1638 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1639 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	1640 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1641
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1642 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1643
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	1644 ngx_memzero(&b, sizeof(ngx_buf_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1645 b.start = buf;
8265 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 8263 diff changeset	1646 b.end = buf + sizeof(buf);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1647 b.pos = b.last = b.start;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	1648 b.memory = 1;
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1649
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1650 c = rev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1651 qc = ngx_quic_get_connection(c);
8211 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 8209 diff changeset	1652
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	1653 c->log->action = "handling quic input";
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1654
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1655 if (rev->timedout) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1656 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	1657 "quic client timed out");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1658 ngx_quic_close_connection(c, NGX_DONE);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1659 return;
8212 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1660 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 8211 diff changeset	1661
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1662 if (c->close) {
8442 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1663 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 8439 diff changeset	1664 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1665 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1666 }
8220 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8218 diff changeset	1667
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1668 n = c->recv(c, b.start, b.end - b.start);
8215 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 8214 diff changeset	1669
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1670 if (n == NGX_AGAIN) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1671 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1672 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1673 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1674 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1675 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1676
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1677 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1678 c->read->eof = 1;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1679 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1680 return;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1681 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1682
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1683 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1684 if (c->socklen != qc->socklen
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1685 \|\| ngx_memcmp(c->sockaddr, qc->sockaddr, c->socklen) != 0)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1686 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1687 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1688 "quic dropping packet from new address");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1689 return;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1690 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1691 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1692
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1693 b.last += n;
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	1694 qc->received += n;
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1695
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	1696 rc = ngx_quic_input(c, &b, NULL);
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1697
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1698 if (rc == NGX_ERROR) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1699 ngx_quic_close_connection(c, NGX_ERROR);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1700 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1701 }
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1702
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1703 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1704 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1705 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1706
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1707 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1708
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1709 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	1710 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1711
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	1712 ngx_quic_connstate_dbg(c);
8199 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1713 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1714
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 8198 diff changeset	1715
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1716 static void
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1717 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1718 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1719 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1720 ngx_quic_connection_t *qc;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1721
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1722 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1723 "quic ngx_quic_close_connection rc:%i", rc);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1724
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1725 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1726
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1727 if (qc == NULL) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1728 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1729 "quic close connection early error");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1730
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1731 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1732 return;
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	1733 }
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1734
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1735 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1736 (void) ngx_ssl_shutdown(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1737 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1738
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1739 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1740 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1741 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1742
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1743 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1744 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1745 #endif
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1746
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1747 c->destroyed = 1;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1748
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1749 pool = c->pool;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1750
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1751 ngx_close_connection(c);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1752
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1753 ngx_destroy_pool(pool);
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1754 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1755
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1756
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1757 static ngx_int_t
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1758 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1759 {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1760 ngx_uint_t i;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1761 ngx_queue_t *q;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1762 ngx_quic_send_ctx_t *ctx;
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1763 ngx_quic_server_id_t *sid;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1764 ngx_quic_connection_t *qc;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1765
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1766 qc = ngx_quic_get_connection(c);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1767
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1768 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1769
8398 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1770 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1771 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1772 ctx = ngx_quic_get_send_ctx(qc, i);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1773 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1774 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 8397 diff changeset	1775
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1776 if (rc == NGX_DONE) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1777
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1778 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1779 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1780 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1781 * If the idle timeout is enabled by either peer, a connection is
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1782 * silently closed and its state is discarded when it remains idle
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1783 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1784
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1785 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1786 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1787 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1788
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1789 } else {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1790
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1791 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1792 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1793 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1794 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1795 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1796 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1797
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1798 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1799 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1800
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1801 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1802 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1803 "quic immediate close drain:%d",
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1804 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1805
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1806 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1807 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1808 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1809 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1810
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1811 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1812
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	1813 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1814
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1815 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1816
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1817 } else {
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1818 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1819 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1820 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1821
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1822 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	1823 "quic immediate close due to %s error: %ui %s",
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1824 qc->error_app ? "app " : "", qc->error,
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1825 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1826 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1827
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1828 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1829
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1830 if (qc->error_level == ssl_encryption_handshake) {
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1831 /* for clients that might not have handshake keys */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1832 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1833 (void) ngx_quic_send_cc(c);
8400 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8399 diff changeset	1834 }
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1835 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1836
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1837 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1838 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1839
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1840 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1841 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1842 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1843 }
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1844
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1845 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1846 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1847 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1848
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1849 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1850 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1851 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1852
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1853 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	1854 ngx_del_timer(&qc->pto);
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1855 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1856
8434 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1857 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1858 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1859 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 8433 diff changeset	1860
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1861 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1862 ngx_quic_free_frames(c, &qc->crypto[i].frames);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1863 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1864
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1865 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1866 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1867 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1868 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1869
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1870 while (!ngx_queue_empty(&qc->server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1871 q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1872 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1873
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1874 ngx_queue_remove(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1875 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1876 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1877 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	1878
8553 dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1879 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1880 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1881 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state. Vladimir Homutov <vl@nginx.com> parents: 8546 diff changeset	1882
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1883 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1884 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1885
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1886 /* may be tested from SSL callback during SSL shutdown */
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1887 c->udp = NULL;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1888
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1889 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1890 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1891
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1892
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1893 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1894 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1895 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1896 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1897 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1898
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1899 qc = ngx_quic_get_connection(c);
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1900 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1901 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1902 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1903 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1904
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1905 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1906 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1907
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	1908
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1909 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1910 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1911 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1912 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1913
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	1914 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1915
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1916 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1917 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1918 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1919
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	1920
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1921 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1922 ngx_quic_close_streams(ngx_connection_t c, ngx_quic_connection_t qc)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1923 {
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1924 ngx_event_t rev, wev;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1925 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1926 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1927 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1928
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1929 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1930 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1931 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1932
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1933 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1934
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1935 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1936 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1937 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1938
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1939 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1940 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1941 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1942
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1943 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1944 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1945 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1946 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1947 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1948
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1949 rev = qs->c->read;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1950 rev->error = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1951 rev->ready = 1;
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1952
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1953 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1954 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	1955 wev->ready = 1;
8354 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1956
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1957 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1958
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1959 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1960 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1961 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1962
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1963 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1964 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1965 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1966 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1967
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1968 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1969 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1970
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1971 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1972 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1973
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1974
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 8350 diff changeset	1975 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	1976 ngx_quic_input(ngx_connection_t c, ngx_buf_t b, ngx_quic_conf_t *conf)
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1977 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1978 u_char *p;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1979 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1980 ngx_uint_t good;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1981 ngx_quic_header_t pkt;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1982 ngx_quic_connection_t *qc;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1983
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1984 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	1985
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1986 p = b->pos;
8208 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 8207 diff changeset	1987
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	1988 while (p < b->last) {
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	1989
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1990 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1991 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1992 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1993 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	1994 pkt.log = c->log;
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	1995 pkt.flags = p[0];
8559 a89a58c642ef QUIC: simplified packet header parsing. Vladimir Homutov <vl@nginx.com> parents: 8558 diff changeset	1996 pkt.raw->pos++;
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	1997
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1998 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	1999 if (qc) {
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2000 qc->error = 0;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2001 qc->error_reason = 0;
8583 d564e8850975 QUIC: reset error and error_reason prior to processing packet. Vladimir Homutov <vl@nginx.com> parents: 8581 diff changeset	2002 }
d564e8850975 QUIC: reset error and error_reason prior to processing packet. Vladimir Homutov <vl@nginx.com> parents: 8581 diff changeset	2003
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2004 rc = ngx_quic_process_packet(c, conf, &pkt);
8193 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 8192 diff changeset	2005
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2006 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2007 if (pkt.parsed) {
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	2008 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2009 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2010 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	2011 pkt.pn, pkt.error, rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2012 } else {
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2013 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2014 "quic packet done parse failed rc:%i", rc);
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2015 }
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2016 #endif
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2017
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2018 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2019 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2020 }
8206 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 8205 diff changeset	2021
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2022 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2023 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2024 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2025
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2026 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2027
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2028 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2029 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2030 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2031 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2032 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2033 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2034 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2035 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2036 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2037 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2038 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2039 * attempt to process the remaining packets.
8535 eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2040 *
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2041 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes. Vladimir Homutov <vl@nginx.com> parents: 8533 diff changeset	2042 * or cannot be parsed properly.
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2043 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2044
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2045 /* b->pos is at header end, adjust by actual packet length */
8558 0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len. Roman Arutyunyan <arut@nginx.com> parents: 8557 diff changeset	2046 b->pos = pkt.data + pkt.len;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2047
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2048 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2049 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2050 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2051 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2052
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2053 p = b->pos;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2054 }
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2055
8545 702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets. Roman Arutyunyan <arut@nginx.com> parents: 8541 diff changeset	2056 return good ? NGX_OK : NGX_DECLINED;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2057 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2058
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2059
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2060 static ngx_int_t
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2061 ngx_quic_process_packet(ngx_connection_t c, ngx_quic_conf_t conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2062 ngx_quic_header_t *pkt)
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2063 {
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2064 ngx_int_t rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2065 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2066 ngx_quic_connection_t *qc;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2067
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	2068 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2069
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2070 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2071
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2072 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2073
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2074 if (rc == NGX_DECLINED \|\| rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2075 return rc;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2076 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2077
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2078 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2079
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2080 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2081
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2082 qc = ngx_quic_get_connection(c);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2083
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2084 #if (NGX_DEBUG)
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2085 ngx_quic_hexdump(c->log, "quic packet rx dcid",
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2086 pkt->dcid.data, pkt->dcid.len);
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2087
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2088 if (pkt->level != ssl_encryption_application) {
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	2089 ngx_quic_hexdump(c->log, "quic packet rx scid", pkt->scid.data,
8578 52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2090 pkt->scid.len);
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2091 }
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2092 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default. Vladimir Homutov <vl@nginx.com> parents: 8577 diff changeset	2093
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2094 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2095
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2096 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2097 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2098 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2099 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2100 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2101
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2102 if (pkt->level != ssl_encryption_application) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2103 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2104 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2105 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2106 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2107 }
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2108 }
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	2109
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2110 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2111
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2112 if (pkt->level == ssl_encryption_application) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2113 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2114 ngx_log_error(NGX_LOG_INFO, c->log, 0,
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2115 "quic stateless reset packet detected");
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2116
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2117 qc->draining = 1;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2118 ngx_quic_close_connection(c, NGX_OK);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2119
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2120 return NGX_OK;
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2121 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2122
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2123 return ngx_quic_send_stateless_reset(c, qc->conf, pkt);
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2124 }
b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2125
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2126 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2127 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2128
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2129 if (qc->in_retry) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2130
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2131 c->log->action = "retrying quic connection";
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2132
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2133 if (pkt->level != ssl_encryption_initial) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2134 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2135 "quic discard late retry packet");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2136 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2137 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2138
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2139 if (!pkt->token.len) {
8606 c53761445a66 QUIC: added logging of a declined packet without retry token. Vladimir Homutov <vl@nginx.com> parents: 8605 diff changeset	2140 ngx_log_error(NGX_LOG_INFO, c->log, 0,
c53761445a66 QUIC: added logging of a declined packet without retry token. Vladimir Homutov <vl@nginx.com> parents: 8605 diff changeset	2141 "quic discard retry packet without token");
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2142 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2143 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2144
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2145 qc->odcid.len = pkt->dcid.len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2146 qc->odcid.data = ngx_pstrdup(c->pool, &pkt->dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2147 if (qc->odcid.data == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2148 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2149 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2150
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2151 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2152
8631 e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2153 qc->dcid.len = NGX_QUIC_SERVER_CID_LEN;
e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2154 qc->dcid.data = ngx_pnalloc(c->pool, qc->dcid.len);
e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2155 if (qc->dcid.data == NULL) {
e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2156 return NGX_ERROR;
e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2157 }
e167c7b4cff4 QUIC: reallocate qc->dcid on retry. Roman Arutyunyan <arut@nginx.com> parents: 8630 diff changeset	2158
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2159 if (ngx_quic_create_server_id(c, qc->dcid.data) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2160 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2161 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2162
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2163 qc->server_seqnum = 0;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2164
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2165 if (ngx_quic_insert_server_id(c, &qc->dcid) == NULL) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2166 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2167 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2168
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2169 qc->tp.initial_scid = qc->dcid;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2170 qc->in_retry = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2171
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2172 if (ngx_quic_init_secrets(c) != NGX_OK) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2173 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2174 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2175
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2176 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2177 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2178 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2179
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2180 qc->validated = 1;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2181 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2182
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2183 } else {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2184
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2185 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2186 return ngx_quic_negotiate_version(c, pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2187 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2188
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2189 if (pkt->level == ssl_encryption_initial) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2190
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2191 c->log->action = "creating quic connection";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2192
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2193 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2194 /* 7.2. Negotiating Connection IDs */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2195 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2196 "quic too short dcid in initial"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	2197 " packet: len:%i", pkt->dcid.len);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2198 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2199 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2200
8563 bed310672f39 QUIC: moved ssl configuration pointer to quic configuration. Vladimir Homutov <vl@nginx.com> parents: 8562 diff changeset	2201 qc = ngx_quic_new_connection(c, conf, pkt);
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2202 if (qc == NULL) {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2203 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2204 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2205
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2206 c->udp = &qc->udp;
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2207
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2208 if (ngx_terminate \|\| ngx_exiting) {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2209 qc->error = NGX_QUIC_ERR_CONNECTION_REFUSED;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2210 return NGX_ERROR;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2211 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2212
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2213 if (pkt->token.len) {
8622 183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2214 rc = ngx_quic_validate_token(c, pkt);
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2215
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2216 if (rc == NGX_OK) {
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2217 qc->validated = 1;
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2218
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2219 } else if (rc == NGX_ERROR) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2220 return NGX_ERROR;
8622 183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2221
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2222 } else {
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2223 /* NGX_DECLINED */
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2224 if (conf->retry) {
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2225 return ngx_quic_send_retry(c);
183275308d9a QUIC: fixed address validation issues in a new connection. Sergey Kandaurov <pluknet@nginx.com> parents: 8621 diff changeset	2226 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2227 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2228
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2229 } else if (conf->retry) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2230 return ngx_quic_send_retry(c);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2231 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2232
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2233 if (ngx_quic_init_secrets(c) != NGX_OK) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2234 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2235 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2236
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2237 if (ngx_quic_insert_server_id(c, &qc->odcid) == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2238 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2239 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2240
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2241 qc->server_seqnum = 0;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2242
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2243 if (ngx_quic_insert_server_id(c, &qc->dcid) == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2244 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2245 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2246
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2247 } else if (pkt->level == ssl_encryption_application) {
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	2248 return ngx_quic_send_stateless_reset(c, conf, pkt);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2249
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2250 } else {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2251 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2252 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2253 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2254
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2255 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2256
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2257 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2258 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2259 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2260 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2261 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2262
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2263 pkt->keys = qc->keys;
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2264 pkt->key_phase = qc->key_phase;
8383 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2265 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2266
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2267 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8382 diff changeset	2268
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2269 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536 c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2270 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2271 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2272 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller. Vladimir Homutov <vl@nginx.com> parents: 8535 diff changeset	2273 return rc;
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2274 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2275
8580 07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2276 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status. Vladimir Homutov <vl@nginx.com> parents: 8579 diff changeset	2277
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2278 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2279 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2280 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2281 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2282 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2283
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2284 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2285 /*
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2286 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2287 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2288 */
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2289 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2290
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2291 if (qc->validated == 0) {
e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2292 qc->validated = 1;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2293 ngx_post_event(&qc->push, &ngx_posted_events);
8611 e2086d8181fa QUIC: added push event afer the address was validated. Vladimir Homutov <vl@nginx.com> parents: 8610 diff changeset	2294 }
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2295 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2296
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2297 pkt->received = ngx_current_msec;
8574 1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8573 diff changeset	2298
8576 eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2299 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state. Vladimir Homutov <vl@nginx.com> parents: 8575 diff changeset	2300
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2301 if (pkt->level != ssl_encryption_application) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2302 return ngx_quic_payload_handler(c, pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2303 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2304
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2305 if (!pkt->key_update) {
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2306 return ngx_quic_payload_handler(c, pkt);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2307 }
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2308
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2309 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2310
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2311 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2312 ngx_quic_keys_switch(c, qc->keys);
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2313
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2314 rc = ngx_quic_payload_handler(c, pkt);
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2315 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2316 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2317 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2318
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2319 return ngx_quic_keys_update(c, qc->keys);
8223 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2320 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2321
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 8222 diff changeset	2322
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2323 static ngx_int_t
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2324 ngx_quic_init_secrets(ngx_connection_t *c)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2325 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2326 ngx_quic_connection_t *qc;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2327
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2328 qc = ngx_quic_get_connection(c);
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2329
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2330 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &qc->odcid)
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2331 != NGX_OK)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2332 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2333 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2334 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2335
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2336 qc->initialized = 1;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2337
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2338 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2339 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2340
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	2341
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2342 static void
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2343 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2344 {
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2345 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2346 ngx_quic_frame_t *f;
8339 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 8338 diff changeset	2347 ngx_quic_send_ctx_t *ctx;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2348 ngx_quic_connection_t *qc;
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	2349
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2350 qc = ngx_quic_get_connection(c);
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2351
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2352 if (!ngx_quic_keys_available(qc->keys, level)) {
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2353 return;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2354 }
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2355
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2356 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	2357
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2358 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2359
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2360 ctx = ngx_quic_get_send_ctx(qc, level);
8507 7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2361
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2362 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2363 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2364 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2365
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2366 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2367 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2368 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard. Sergey Kandaurov <pluknet@nginx.com> parents: 8506 diff changeset	2369 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2370
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2371 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2372 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2373 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2374
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2375 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2376 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2377 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2378 }
b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	2379
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2380 if (level == ssl_encryption_initial) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2381 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2382 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2383
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2384 ctx->send_ack = 0;
8304 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2385 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2386
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2387
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 8303 diff changeset	2388 static ngx_int_t
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2389 ngx_quic_check_peer(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2390 {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2391 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2392 ngx_quic_client_id_t *cid;
8381 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8380 diff changeset	2393
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2394 if (pkt->level == ssl_encryption_application) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2395 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2396 }
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	2397
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2398 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2399 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2400 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2401 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2402 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2403
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2404 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2405 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2406 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2407 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2408 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2409 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2410
8560 d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2411 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring. Vladimir Homutov <vl@nginx.com> parents: 8559 diff changeset	2412 return NGX_ERROR;
8182 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 8180 diff changeset	2413 }
8171 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2414
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	2415
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2416 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2417 ngx_quic_payload_handler(ngx_connection_t c, ngx_quic_header_t pkt)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2418 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2419 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2420 ssize_t len;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2421 ngx_uint_t do_close;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2422 ngx_quic_frame_t frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2423 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2424
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2425 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2426
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2427 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2428 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2429 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2430 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2431 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2432 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2433 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2434 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2435 */
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2436
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2437 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2438 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2439 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2440 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2441 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2442
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2443 return ngx_quic_send_cc(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2444 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2445
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2446 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2447 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2448
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2449 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2450
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2451 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2452
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2453 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2454
8240 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 8239 diff changeset	2455 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 8247 diff changeset	2456
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2457 if (len < 0) {
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2458 qc->error = pkt->error;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2459 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2460 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2461
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	2462 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	2463
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2464 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	2465
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2466 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2467
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2468 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2469
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2470 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2471 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2472 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2473 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2474
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2475 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2476
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2477 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2478 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2479 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2480
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2481 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	2482 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2483 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2484 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2485 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2486
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2487 /* got there with ack-eliciting packet */
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2488 pkt->need_ack = 1;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2489
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2490 switch (frame.type) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2491
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2492 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2493
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	2494 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2495 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2496 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2497
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2498 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2499
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2500 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2501 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2502
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2503 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2504 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2505 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2506 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2507 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2508 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2509 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2510 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2511
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	2512 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2513 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2514 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2515
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2516 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2517
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2518 case NGX_QUIC_FT_MAX_DATA:
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2519
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2520 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2521 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2522 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2523 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2524
8237 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2525 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8236 diff changeset	2526
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2527 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2528 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2529
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2530 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2531 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2532 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2533 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2534 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2535 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	2536
8236 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2537 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 8235 diff changeset	2538
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2539 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2540
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2541 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2542 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2543 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2544 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2545 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2546 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2547
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2548 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	2549
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2550 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2551
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2552 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2553 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2554 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2555 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2556 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2557 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2558
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2559 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	2560
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2561 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2562
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2563 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2564 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2565 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2566 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2567 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2568 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2569
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2570 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2571
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2572 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2573
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2574 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2575 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2576 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2577 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2578 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2579 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2580
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2581 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	2582
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2583 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2584 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2585
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2586 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2587 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2588 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2589 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2590 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2591
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2592 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	2593
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2594 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2595
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2596 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2597 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2598 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2599 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2600 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2601 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2602
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2603 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	2604
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2605 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2606
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2607 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2608 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2609 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2610 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2611 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2612
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2613 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	2614
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2615 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2616
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2617 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2618 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2619 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2620 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2621 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2622 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2623
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2624 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	2625
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2626 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2627
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2628 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2629 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2630 "quic frame handler not implemented");
8325 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2631 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 8322 diff changeset	2632
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2633 default:
8346 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 8345 diff changeset	2634 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	2635 "quic missing frame handler");
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2636 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2637 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2638 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2639
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2640 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2641 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	2642 "quic trailing garbage in payload:%ui bytes", end - p);
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2643
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	2644 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2645 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2646 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2647
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2648 if (do_close) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2649 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	2650 ngx_quic_close_connection(c, NGX_OK);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2651 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2652
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2653 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2654 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2655 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2656
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2657 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2658 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2659
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2660
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2661 static ngx_int_t
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2662 ngx_quic_ack_packet(ngx_connection_t c, ngx_quic_header_t pkt)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2663 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2664 uint64_t base, largest, smallest, gs, ge, gap, range, pn;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2665 uint64_t prev_pending;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2666 ngx_uint_t i, nr;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2667 ngx_quic_send_ctx_t *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2668 ngx_quic_ack_range_t *r;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2669 ngx_quic_connection_t *qc;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2670
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2671 c->log->action = "preparing ack";
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2672
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2673 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2674
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2675 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2676
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2677 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	2678 "quic ngx_quic_ack_packet pn:%uL largest %L fr:%uL"
8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	2679 " nranges:%ui", pkt->pn, (int64_t) ctx->largest_range,
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2680 ctx->first_range, ctx->nranges);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2681
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2682 prev_pending = ctx->pending_ack;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2683
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2684 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2685
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2686 ngx_post_event(&qc->push, &ngx_posted_events);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2687
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2688 if (ctx->send_ack == 0) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2689 ctx->ack_delay_start = ngx_current_msec;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2690 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2691
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2692 ctx->send_ack++;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2693
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2694 if (ctx->pending_ack == NGX_QUIC_UNSET_PN
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2695 \|\| ctx->pending_ack < pkt->pn)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2696 {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2697 ctx->pending_ack = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2698 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2699 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2700
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2701 base = ctx->largest_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2702 pn = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2703
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2704 if (base == NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2705 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2706 ctx->largest_received = pkt->received;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2707 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2708 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2709
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2710 if (base == pn) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2711 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2712 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2713
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2714 largest = base;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2715 smallest = largest - ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2716
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2717 if (pn > base) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2718
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2719 if (pn - base == 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2720 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2721 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2722 ctx->largest_received = pkt->received;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2723
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2724 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2725
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2726 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2727 /* new gap in front of current largest */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2728
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2729 /* no place for new range, send current range as is */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2730 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2731
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2732 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2733 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2734 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2735 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2736 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2737
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2738 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2739 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2740 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2741 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2742
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2743 gap = pn - base - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2744 range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2745
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2746 ctx->first_range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2747 ctx->largest_range = pn;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2748 ctx->largest_received = pkt->received;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2749
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2750 /* packet is out of order, force send */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2751 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2752 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2753 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2754
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2755 i = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2756
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2757 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2758 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2759 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2760
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2761 /* pn < base, perform lookup in existing ranges */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2762
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2763 /* packet is out of order */
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2764 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2765 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2766 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2767
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2768 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2769 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2770 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2771
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2772 #if (NGX_SUPPRESS_WARN)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2773 r = NULL;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2774 #endif
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2775
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2776 for (i = 0; i < ctx->nranges; i++) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2777 r = &ctx->ranges[i];
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2778
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2779 ge = smallest - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2780 gs = ge - r->gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2781
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2782 if (pn >= gs && pn <= ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2783
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2784 if (gs == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2785 /* gap size is exactly one packet, now filled */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2786
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2787 /* data moves to previous range, current is removed */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2788
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2789 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2790 ctx->first_range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2791
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2792 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2793 ctx->ranges[i - 1].range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2794 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2795
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2796 nr = ctx->nranges - i - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2797 if (nr) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2798 ngx_memmove(&ctx->ranges[i], &ctx->ranges[i + 1],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2799 sizeof(ngx_quic_ack_range_t) * nr);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2800 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2801
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2802 ctx->nranges--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2803
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2804 } else if (pn == gs) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2805 /* current gap shrinks from tail (current range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2806 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2807 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2808
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2809 } else if (pn == ge) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2810 /* current gap shrinks from head (previous range grows) */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2811 r->gap--;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2812
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2813 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2814 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2815
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2816 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2817 ctx->ranges[i - 1].range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2818 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2819
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2820 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2821 /* current gap is split into two parts */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2822
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2823 gap = ge - pn - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2824 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2825
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2826 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2827 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2828 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2829 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2830 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2831 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2832
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2833 if (prev_pending == ctx->pending_ack \|\| !pkt->need_ack) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2834 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2835 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2836 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2837
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2838 r->gap = pn - gs - 1;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2839 goto insert;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2840 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2841
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2842 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2843 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2844
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2845 largest = smallest - r->gap - 2;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2846 smallest = largest - r->range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2847
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2848 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2849 /* this packet number is already known */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2850 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2851 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2852
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2853 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2854
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2855 if (pn == smallest - 1) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2856 /* extend first or last range */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2857
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2858 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2859 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2860
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2861 } else {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2862 r->range++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2863 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2864
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2865 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2866 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2867
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2868 /* nothing found, add new range at the tail */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2869
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2870 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2871 /* packet is too old to keep it */
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2872
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2873 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2874 return ngx_quic_send_ack_range(c, ctx, pn, pn);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2875 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2876
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2877 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2878 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2879
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2880 gap = smallest - 2 - pn;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2881 range = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2882
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2883 insert:
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2884
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2885 if (ctx->nranges < NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2886 ctx->nranges++;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2887 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2888
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2889 ngx_memmove(&ctx->ranges[i + 1], &ctx->ranges[i],
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2890 sizeof(ngx_quic_ack_range_t) * (ctx->nranges - i - 1));
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2891
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2892 ctx->ranges[i].gap = gap;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2893 ctx->ranges[i].range = range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2894
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2895 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2896 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2897
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2898
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2899 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2900 ngx_quic_send_ack_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2901 uint64_t smallest, uint64_t largest)
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2902 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2903 ngx_quic_frame_t *frame;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2904
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2905 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2906 if (frame == NULL) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2907 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2908 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	2909
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2910 frame->level = ctx->level;
8367 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 8365 diff changeset	2911 frame->type = NGX_QUIC_FT_ACK;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2912 frame->u.ack.largest = largest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2913 frame->u.ack.delay = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2914 frame->u.ack.range_count = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2915 frame->u.ack.first_range = largest - smallest;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2916
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2917 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2918 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2919
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2920
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2921 static void
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2922 ngx_quic_drop_ack_ranges(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2923 uint64_t pn)
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2924 {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2925 uint64_t base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2926 ngx_uint_t i, smallest, largest;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2927 ngx_quic_ack_range_t *r;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2928
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2929 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	2930 "quic ngx_quic_drop_ack_ranges pn:%uL largest:%uL"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	2931 " fr:%uL nranges:%ui", pn, ctx->largest_range,
8599 c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2932 ctx->first_range, ctx->nranges);
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack. Vladimir Homutov <vl@nginx.com> parents: 8598 diff changeset	2933
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2934 base = ctx->largest_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2935
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2936 if (base == NGX_QUIC_UNSET_PN) {
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2937 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2938 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2939
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2940 if (ctx->pending_ack != NGX_QUIC_UNSET_PN && pn >= ctx->pending_ack) {
85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2941 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2942 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2943
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2944 largest = base;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2945 smallest = largest - ctx->first_range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2946
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2947 if (pn >= largest) {
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	2948 ctx->largest_range = NGX_QUIC_UNSET_PN;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2949 ctx->first_range = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2950 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2951 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2952 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2953
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2954 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2955 ctx->first_range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2956 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2957 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2958 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2959
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2960 for (i = 0; i < ctx->nranges; i++) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2961 r = &ctx->ranges[i];
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2962
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2963 largest = smallest - r->gap - 2;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2964 smallest = largest - r->range;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2965
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2966 if (pn >= largest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2967 ctx->nranges = i;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2968 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2969 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2970 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2971 r->range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2972 ctx->nranges = i + 1;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2973 return;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2974 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2975 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2976 }
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2977
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	2978
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2979 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2980 ngx_quic_send_ack(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2981 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2982 u_char *p;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2983 size_t ranges_len;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2984 uint64_t ack_delay;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2985 ngx_uint_t i;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2986 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2987 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2988
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2989 qc = ngx_quic_get_connection(c);
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	2990
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2991 if (ctx->level == ssl_encryption_application) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2992 ack_delay = ngx_current_msec - ctx->largest_received;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2993 ack_delay *= 1000;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	2994 ack_delay >>= qc->ctp.ack_delay_exponent;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2995
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2996 } else {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2997 ack_delay = 0;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2998 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	2999
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3000 ranges_len = 0;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3001
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3002 for (i = 0; i < ctx->nranges; i++) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3003 ranges_len += ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap,
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3004 ctx->ranges[i].range);
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3005 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3006
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3007 frame = ngx_quic_alloc_frame(c, ranges_len);
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3008 if (frame == NULL) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3009 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3010 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3011
8613 867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3012 p = frame->data;
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3013
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3014 for (i = 0; i < ctx->nranges; i++) {
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3015 p += ngx_quic_create_ack_range(p, ctx->ranges[i].gap,
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3016 ctx->ranges[i].range);
867c189f875d QUIC: unified range format for rx and tx ACK frames. Roman Arutyunyan <arut@nginx.com> parents: 8612 diff changeset	3017 }
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3018
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3019 frame->level = ctx->level;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3020 frame->type = NGX_QUIC_FT_ACK;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3021 frame->u.ack.largest = ctx->largest_range;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	3022 frame->u.ack.delay = ack_delay;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3023 frame->u.ack.range_count = ctx->nranges;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3024 frame->u.ack.first_range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3025 frame->u.ack.ranges_start = frame->data;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3026 frame->u.ack.ranges_end = frame->data + ranges_len;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	3027
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3028 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3029
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	3030 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3031 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3032
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3033
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3034 static ngx_int_t
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3035 ngx_quic_send_cc(ngx_connection_t *c)
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3036 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3037 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3038 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3039
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3040 qc = ngx_quic_get_connection(c);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3041
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3042 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3043 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3044 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3045
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3046 if (!qc->initialized) {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3047 /* try to initialize secrets to send an early error */
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3048 if (ngx_quic_init_secrets(c) != NGX_OK) {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3049 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3050 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3051 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	3052
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3053 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3054 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3055 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3056 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3057 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3058 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3059
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3060 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3061 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3062 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3063 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3064
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3065 frame->level = qc->error_level;
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3066 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
8458 e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3067 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3068 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3069 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3070
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3071 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3072 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection(). Roman Arutyunyan <arut@nginx.com> parents: 8450 diff changeset	3073 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3074 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3075
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3076 ngx_quic_queue_frame(qc, frame);
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3077
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3078 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3079
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3080 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3081 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3082
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3083
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	3084 static ngx_int_t
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3085 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3086 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3087 ngx_str_t token;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3088 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3089 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3090
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3091 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3092
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3093 if (!qc->conf->retry) {
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3094 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3095 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3096
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3097 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3098 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3099 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3100
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3101 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3102 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3103 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3104 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3105
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3106 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3107 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3108 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3109 frame->u.token.data = token.data;
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	3110
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3111 ngx_quic_queue_frame(qc, frame);
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3112
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3113 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3114 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3115
8450 a62849b6463c Style. Vladimir Homutov <vl@nginx.com> parents: 8447 diff changeset	3116
8384 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 8383 diff changeset	3117 static ngx_int_t
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3118 ngx_quic_handle_ack_frame(ngx_connection_t c, ngx_quic_header_t pkt,
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3119 ngx_quic_ack_frame_t *ack)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3120 {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3121 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3122 u_char pos, end;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3123 uint64_t min, max, gap, range;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3124 ngx_msec_t send_time;
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3125 ngx_uint_t i;
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3126 ngx_quic_send_ctx_t *ctx;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3127 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3128
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3129 qc = ngx_quic_get_connection(c);
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3130
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3131 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3132
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3133 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3134 "quic ngx_quic_handle_ack_frame level:%d", pkt->level);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3135
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3136 /*
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3137 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3138 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3139 * (19.3.1)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3140 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3141
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3142 if (ack->first_range > ack->largest) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3143 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3144 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3145 "quic invalid first range in ack frame");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3146 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3147 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3148
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3149 min = ack->largest - ack->first_range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3150 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3151
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3152 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3153 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3154 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3155 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3156 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3157
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3158 /* 13.2.3. Receiver Tracking of ACK Frames */
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	3159 if (ctx->largest_ack < max \|\| ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3160 ctx->largest_ack = max;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3161 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3162 "quic updated largest received ack:%uL", max);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3163
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3164 /*
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3165 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3166 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3167 *
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3168 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3169 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3170 */
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3171
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3172 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3173 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3174 }
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3175 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3176
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3177 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3178 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3179
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3180 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3181
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	3182 n = ngx_quic_parse_ack_range(pkt->log, pos, end, &gap, &range);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3183 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3184 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3185 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3186 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3187
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3188 if (gap + 2 > min) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3189 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3190 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3191 "quic invalid range:%ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3192 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3193 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3194
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3195 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3196
69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3197 if (range > max) {
8471 9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function. Vladimir Homutov <vl@nginx.com> parents: 8470 diff changeset	3198 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3199 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3200 "quic invalid range:%ui in ack frame", i);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3201 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3202 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3203
8502 69033a50c3ae QUIC: fixed ACK Ranges processing. Sergey Kandaurov <pluknet@nginx.com> parents: 8501 diff changeset	3204 min = max - range;
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3205
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3206 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3207 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3208 {
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3209 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3210 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3211 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3212
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	3213 return ngx_quic_detect_lost(c);
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3214 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3215
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3216
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3217 static ngx_int_t
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3218 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3219 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3220 {
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3221 uint64_t found_num;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3222 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3223 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3224 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3225 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3226
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3227 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3228
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3229 *send_time = NGX_TIMER_INFINITE;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3230 found = 0;
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3231 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3232
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3233 q = ngx_queue_last(&ctx->sent);
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3234
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	3235 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3236
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3237 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3238 q = ngx_queue_prev(q);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3239
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3240 if (f->pnum >= min && f->pnum <= max) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3241 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3242
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3243 switch (f->type) {
8600 06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3244 case NGX_QUIC_FT_ACK:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3245 case NGX_QUIC_FT_ACK_ECN:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3246 ngx_quic_drop_ack_ranges(c, ctx, f->u.ack.largest);
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges(). Sergey Kandaurov <pluknet@nginx.com> parents: 8599 diff changeset	3247 break;
8597 0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3248
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3249 case NGX_QUIC_FT_STREAM0:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3250 case NGX_QUIC_FT_STREAM1:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3251 case NGX_QUIC_FT_STREAM2:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3252 case NGX_QUIC_FT_STREAM3:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3253 case NGX_QUIC_FT_STREAM4:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3254 case NGX_QUIC_FT_STREAM5:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3255 case NGX_QUIC_FT_STREAM6:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3256 case NGX_QUIC_FT_STREAM7:
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3257 ngx_quic_handle_stream_ack(c, f);
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3258 break;
0351fcf52a03 QUIC: drop acknowledged ranges. Vladimir Homutov <vl@nginx.com> parents: 8596 diff changeset	3259 }
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3260
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3261 if (f->pnum > found_num \|\| !found) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3262 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3263 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3264 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3265
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3266 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3267 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3268 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3269 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3270 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3271
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3272 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3273
8437 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 8436 diff changeset	3274 if (max < ctx->pnum) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3275 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 8325 diff changeset	3276 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3277 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3278
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3279 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 8400 diff changeset	3280 "quic ACK for the packet not sent");
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3281
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3282 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3283 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 8398 diff changeset	3284 qc->error_reason = "unknown packet number";
8385 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 8384 diff changeset	3285
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3286 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3287 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	3288
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3289 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3290 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3291 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3292
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3293 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3294
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3295 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3296 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3297
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3298
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3299 static void
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3300 ngx_quic_rtt_sample(ngx_connection_t c, ngx_quic_ack_frame_t ack,
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3301 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3302 {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3303 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3304 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3305
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3306 qc = ngx_quic_get_connection(c);
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3307
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3308 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3309 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3310
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3311 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3312 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3313 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3314 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3315
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3316 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3317 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3318
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3319
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3320 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3321 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3322 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3323
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3324 } else {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3325 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3326 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3327
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3328 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3329
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3330 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3331 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3332 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3333
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3334 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3335 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3336 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3337 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3338
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3339 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3340 "quic rtt sample latest:%M min:%M avg:%M var:%M",
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3341 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3342 }
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3343
3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3344
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3345 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3346 ngx_quic_pto(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3347 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3348 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3349 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3350
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3351 qc = ngx_quic_get_connection(c);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3352
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3353 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3354 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3355
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3356 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3357 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3358
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3359 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3360 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3361 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3362
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3363 if (ctx == &qc->send_ctx[2] && c->ssl->handshaked) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3364 /* application send space */
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3365
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3366 duration += qc->tp.max_ack_delay << qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3367 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3368
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3369 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3370 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3371
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	3372
8469 3b107aadc9f6 QUIC: added rtt estimation. Vladimir Homutov <vl@nginx.com> parents: 8458 diff changeset	3373 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3374 ngx_quic_handle_stream_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3375 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3376 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3377 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3378 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3379 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3380
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3381 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3382
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3383 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3384 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3385 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3386 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3387
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3388 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3389 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3390 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3391
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3392 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3393 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3394 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3395 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3396
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3397 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3398
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3399 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3400 "quic stream ack len:%uL acked:%uL unacked:%uL",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3401 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3402 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3403
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	3404
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3405 static ngx_int_t
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3406 ngx_quic_handle_ordered_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3407 ngx_quic_frame_t frame, ngx_quic_frame_handler_pt handler, void data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3408 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3409 size_t full_len;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3410 ngx_int_t rc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3411 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3412 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3413
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3414 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3415
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3416 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3417 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3418 "quic out-of-order frame: expecting:%uL got:%uL",
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3419 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3420
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3421 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3422 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3423
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3424 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3425
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3426 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3427 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3428 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3429 /* old/duplicate data range */
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3430 return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3431 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3432
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3433 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3434 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3435
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3436 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3437
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3438 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3439 if (rc == NGX_ERROR) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3440 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3441
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3442 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3443 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3444 return NGX_OK;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3445 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3446
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3447 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3448
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3449 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3450
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3451 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3452
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3453 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3454 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3455 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3456 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3457 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3458
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3459 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3460 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3461
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3462 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3463 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3464 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3465 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3466
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3467 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3468
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3469 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3470
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3471 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3472 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3473 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3474 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3475 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3476 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3477
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3478 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3479 "quic skipped buffered frame, total:%ui",
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3480 fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3481 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3482 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3483 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3484
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3485 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3486 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3487
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3488 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3489
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3490 rc = handler(c, frame, data);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3491
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3492 if (rc == NGX_ERROR) {
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3493 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3494
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3495 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3496 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3497 return NGX_OK;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3498 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3499
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3500 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3501 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3502
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3503 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3504
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3505 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3506 "quic consumed buffered frame, total:%ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3507
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3508 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3509
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3510 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3511
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3512 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3513 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3514
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3515
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3516 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3517 ngx_quic_adjust_frame_offset(ngx_connection_t c, ngx_quic_frame_t frame,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3518 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3519 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3520 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3521 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3522
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3523 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3524
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3525 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3526
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3527 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3528 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3529
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3530 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3531 "quic old or duplicate data in ordered frame, ignored");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3532 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3533 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3534
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3535 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3536 "quic adjusted ordered frame data start to expected offset");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3537
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3538 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3539
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3540 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3541 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3542 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3543
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3544 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3545 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3546
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3547
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3548 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3549 ngx_quic_buffer_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3550 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3551 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3552 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3553 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3554 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3555 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3556
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3557 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3558 "quic ngx_quic_buffer_frame");
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3559
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3560 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3561
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3562 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3563
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3564 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3565 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3566 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3567 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3568
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3569 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3570 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3571 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3572
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3573 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3574
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3575 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3576 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3577
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3578 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3579
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3580 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	3581 "quic ordered frame with unexpected offset:"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3582 " buffered total:%ui", fs->total);
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3583
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3584 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3585 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3586 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3587 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3588
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3589 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3590 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3591 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3592 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3593 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3594 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3595
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3596 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3597 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3598 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3599 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3600 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3601
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3602 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3603
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3604 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3605 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3606
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3607
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3608 static ngx_int_t
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3609 ngx_quic_handle_crypto_frame(ngx_connection_t c, ngx_quic_header_t pkt,
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3610 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3611 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3612 uint64_t last;
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3613 ngx_int_t rc;
8573 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3614 ngx_quic_send_ctx_t *ctx;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3615 ngx_quic_connection_t *qc;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3616 ngx_quic_crypto_frame_t *f;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3617 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3618
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3619 qc = ngx_quic_get_connection(c);
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3620 fs = &qc->crypto[pkt->level];
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3621 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3622
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3623 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3624 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3625
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3626 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3627 qc->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3628 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3629 }
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3630
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3631 rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3632 NULL);
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3633 if (rc != NGX_DECLINED) {
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3634 return rc;
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3635 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3636
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3637 /* speeding up handshake completion */
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3638
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3639 if (pkt->level == ssl_encryption_initial) {
8573 6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3640 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3641
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3642 if (!ngx_queue_empty(&ctx->sent)) {
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3643 ngx_quic_resend_frames(c, ctx);
6226f834b420 QUIC: do not resend empty queue when speeding up handshake. Sergey Kandaurov <pluknet@nginx.com> parents: 8572 diff changeset	3644 }
8566 9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3645 }
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3646
9588a2782c62 QUIC: speeding up handshake completion. Sergey Kandaurov <pluknet@nginx.com> parents: 8565 diff changeset	3647 return NGX_OK;
8335 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3648 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3649
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3650
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 8334 diff changeset	3651 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3652 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3653 {
8478 d2f716e668e8 Fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8477 diff changeset	3654 int n, sslerr;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3655 ngx_ssl_conn_t *ssl_conn;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3656 ngx_quic_connection_t *qc;
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3657 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3658
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3659 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3660
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3661 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3662
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3663 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3664
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3665 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	3666 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3667 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3668 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3669
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3670 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
8333 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 8332 diff changeset	3671 f->data, f->length))
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3672 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3673 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3674 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3675 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3676 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3677
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3678 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3679
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3680 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3681 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3682 (int) SSL_quic_read_level(ssl_conn),
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3683 (int) SSL_quic_write_level(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3684
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3685 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3686
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3687 if (n <= 0) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3688 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3689
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3690 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3691 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3692
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	3693 if (sslerr != SSL_ERROR_WANT_READ) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3694 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 8299 diff changeset	3695 return NGX_ERROR;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3696 }
8263 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 8260 diff changeset	3697
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3698 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3699 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3700
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3701 if (SSL_in_init(ssl_conn)) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3702 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3703 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3704
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3705 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3706 "quic ssl cipher:%s", SSL_get_cipher(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3707
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3708 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3709 "quic handshake completed successfully");
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3710
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3711 c->ssl->handshaked = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3712 c->ssl->no_wait_shutdown = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3713
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3714 frame = ngx_quic_alloc_frame(c, 0);
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3715 if (frame == NULL) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3716 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3717 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3718
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3719 /* 12.4 Frames and frame types, figure 8 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3720 frame->level = ssl_encryption_application;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3721 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3722 ngx_quic_queue_frame(qc, frame);
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3723
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3724 if (ngx_quic_send_new_token(c) != NGX_OK) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3725 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3726 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3727
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3728 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3729 * Generating next keys before a key update is received.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3730 * See quic-tls 9.4 Header Protection Timing Side-Channels.
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3731 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3732
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3733 if (ngx_quic_keys_update(c, qc->keys) != NGX_OK) {
8620 d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3734 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3735 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3736
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3737 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3738 * 4.10.2 An endpoint MUST discard its handshake keys
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3739 * when the TLS handshake is confirmed
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3740 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8619 diff changeset	3741 ngx_quic_discard_ctx(c, ssl_encryption_handshake);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3742
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3743 if (ngx_quic_issue_server_ids(c) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3744 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3745 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	3746
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3747 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3748 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3749
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3750
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3751 static ngx_int_t
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3752 ngx_quic_handle_stream_frame(ngx_connection_t c, ngx_quic_header_t pkt,
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3753 ngx_quic_frame_t *frame)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3754 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3755 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3756 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3757 ngx_buf_t *b;
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3758 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3759 ngx_connection_t *sc;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3760 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3761 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3762 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3763 ngx_quic_frames_stream_t *fs;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3764
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3765 qc = ngx_quic_get_connection(c);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3766 f = &frame->u.stream;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3767
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3768 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3769 && (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED))
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3770 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3771 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3772 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3773 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3774
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3775 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3776 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3777
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3778 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3779
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3780 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3781 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3782
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3783 if (sn == NULL) {
8427 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3784 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3785 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 8424 diff changeset	3786
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3787 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3788 return NGX_OK;
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	3789 }
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3790
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3791 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3792 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3793 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3794 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3795
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3796 if (last > window) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3797 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3798 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3799 }
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3800
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3801 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3802 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3803 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3804 {
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3805 goto cleanup;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3806 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3807
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3808 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3809
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3810 return NGX_OK;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3811 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3812
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3813 fs = &sn->fs;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3814 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3815 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3816
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3817 if (last > fs->received && last - fs->received > window) {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3818 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3819 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3820 }
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3821
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3822 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3823 sn);
8530 f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3824
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3825 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3826
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3827 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3828
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3829 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3830 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3831
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames. Roman Arutyunyan <arut@nginx.com> parents: 8528 diff changeset	3832 return NGX_ERROR;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3833 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3834
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3835
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3836 static ngx_int_t
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3837 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3838 {
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3839 uint64_t id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3840 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3841 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3842 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3843 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3844 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3845
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3846 qc = ngx_quic_get_connection(c);
8378 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 8377 diff changeset	3847 sn = data;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3848
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3849 f = &frame->u.stream;
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3850 id = f->stream_id;
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3851
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3852 b = sn->b;
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3853
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3854 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
8361 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3855 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 8360 diff changeset	3856 "quic no space in stream buffer");
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3857 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3858 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3859
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3860 if ((size_t) (b->end - b->last) < f->length) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3861 b->last = ngx_movemem(b->start, b->pos, b->last - b->pos);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3862 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3863 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3864
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	3865 b->last = ngx_cpymem(b->last, f->data, f->length);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3866
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3867 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3868 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3869
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3870 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3871 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	3872 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3873
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3874 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3875 rev->handler(rev);
8314 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3876 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 8312 diff changeset	3877
8337 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 8336 diff changeset	3878 /* check if stream was destroyed by handler */
8501 fc16e303003a QUIC: fixed possible use-after-free on stream cleanup. Sergey Kandaurov <pluknet@nginx.com> parents: 8500 diff changeset	3879 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3880 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3881 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	3882
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3883 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3884 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3885
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	3886
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3887 static ngx_int_t
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3888 ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3889 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3890 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3891 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3892 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3893 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3894 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3895 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3896
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3897 qc = ngx_quic_get_connection(c);
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3898 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3899
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3900 if (f->max_data <= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3901 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3902 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3903
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3904 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3905
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3906 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3907 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3908 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3909 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3910 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3911 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3912
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3913 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3914 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3915 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3916 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3917 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3918 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3919
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3920 qc->streams.send_max_data = f->max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3921
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3922 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3923 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3924
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3925
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3926 static ngx_int_t
8245 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3927 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3928 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3929 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3930 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3931 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3932
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 8241 diff changeset	3933
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3934 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3935 ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3936 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3937 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3938 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3939 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3940 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3941 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	3942 ngx_quic_connection_t *qc;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3943
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3944 qc = ngx_quic_get_connection(c);
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3945
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3946 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3947 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3948 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3949 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3950 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3951 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	3952
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3953 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3954
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3955 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3956 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3957
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3958 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3959 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3960 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3961
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3962 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3963 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3964 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3965
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3966 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3967 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3968
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3969 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3970
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3971 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3972 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3973 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	3974 }
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3975
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	3976 frame = ngx_quic_alloc_frame(c, 0);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3977 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3978 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3979 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3980
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3981 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3982 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3983 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3984 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3985
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	3986 ngx_quic_queue_frame(qc, frame);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3987
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3988 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3989 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3990
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	3991
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3992 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3993 ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3994 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3995 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3996 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3997 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3998 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	3999 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4000
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4001 qc = ngx_quic_get_connection(c);
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4002
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4003 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4004 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4005 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4006 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4007 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4008 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4009
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4010 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4011
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4012 if (sn == NULL) {
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4013 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4014
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4015 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4016 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4017 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4018
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4019 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4020 return NGX_OK;
8429 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4021 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 8428 diff changeset	4022
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4023 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4024 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4025 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4026
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4027 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4028
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	4029 return NGX_OK;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4030 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4031
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4032 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4033 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4034 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4035
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4036 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4037
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4038 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4039 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4040
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4041 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4042 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4043 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4044 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4045 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4046
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4047 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4048
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4049 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4050 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4051
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	4052
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4053 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4054 ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4055 ngx_quic_header_t pkt, ngx_quic_reset_stream_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4056 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4057 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4058 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4059 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4060 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4061
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4062 qc = ngx_quic_get_connection(c);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4063
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4064 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4065 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4066 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4067 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4068 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4069 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4070
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4071 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4072
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4073 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4074 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4075
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4076 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4077 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4078 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4079
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4080 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4081 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4082 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4083
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4084 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4085
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4086 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4087 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4088 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4089
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4090 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4091
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4092 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4093 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4094
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4095 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4096 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4097 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4098
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4099 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4100 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4101 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4102
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4103 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4104 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4105
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4106
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4107 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4108 ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4109 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4110 {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4111 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4112 ngx_connection_t *sc;
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4113 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4114 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4115
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4116 qc = ngx_quic_get_connection(c);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4117
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4118 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4119 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4120 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4121 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4122 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4123 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4124
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4125 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4126
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4127 if (sn == NULL) {
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4128 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4129
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4130 if (sn == NULL) {
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4131 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4132 }
8505 240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4133
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4134 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4135 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4136 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4137
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4138 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4139
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4140 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4141 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4142 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4143
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4144 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4145
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4146 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4147 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4148
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4149 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4150 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4151 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4152
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4153 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING. Roman Arutyunyan <arut@nginx.com> parents: 8504 diff changeset	4154 wev->handler(wev);
8428 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4155 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4156
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4157 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4158 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4159
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8427 diff changeset	4160
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4161 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4162 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4163 ngx_quic_header_t pkt, ngx_quic_max_streams_frame_t f)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4164 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4165 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4166
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4167 qc = ngx_quic_get_connection(c);
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4168
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4169 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4170 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4171 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4172
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4173 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4174 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4175 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4176
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4177 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4178 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4179 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4180
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4181 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4182 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4183 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4184 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4185
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4186 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4187 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4188
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	4189
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4190 static ngx_int_t
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4191 ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4192 ngx_quic_header_t pkt, ngx_quic_path_challenge_frame_t f)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4193 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4194 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4195 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4196
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4197 qc = ngx_quic_get_connection(c);
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4198
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4199 frame = ngx_quic_alloc_frame(c, 0);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4200 if (frame == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4201 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4202 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4203
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4204 frame->level = pkt->level;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4205 frame->type = NGX_QUIC_FT_PATH_RESPONSE;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4206 frame->u.path_response = *f;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4207
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4208 ngx_quic_queue_frame(qc, frame);
8531 4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4209
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4210 return NGX_OK;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4211 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4212
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame. Roman Arutyunyan <arut@nginx.com> parents: 8530 diff changeset	4213
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4214 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4215 ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4216 ngx_quic_header_t pkt, ngx_quic_new_conn_id_frame_t f)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4217 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4218 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4219 ngx_quic_client_id_t cid, item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4220 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4221
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4222 qc = ngx_quic_get_connection(c);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4223
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4224 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4225 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4226 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4227 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4228 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4229 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4230 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4231 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4232 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4233
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4234 if (ngx_quic_retire_connection_id(c, pkt->level, f->seqnum) != NGX_OK) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4235 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4236 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4237
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4238 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4239 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4240
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4241 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4242
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4243 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4244 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4245 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4246 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4247 item = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4248
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4249 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4250 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4251 break;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4252 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4253 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4254
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4255 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4256 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4257 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4258 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4259 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4260
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4261 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4262 \|\| ngx_strncmp(cid->id, f->cid, f->len) != 0
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	4263 \|\| ngx_strncmp(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN) != 0)
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4264 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4265 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4266 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4267 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4268 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4269 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4270 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4271 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4272 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4273 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4274
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4275 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4276
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4277 cid = ngx_quic_alloc_client_id(c, qc);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4278 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4279 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4280 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4281
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4282 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4283 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4284 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4285
8562 b31c02454539 QUIC: added stateless reset support. Vladimir Homutov <vl@nginx.com> parents: 8561 diff changeset	4286 ngx_memcpy(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4287
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4288 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4289 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4290
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4291 /* always use latest available connection id */
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4292 if (f->seqnum > qc->client_seqnum) {
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4293 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4294 qc->scid.data = cid->id;
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4295 qc->client_seqnum = f->seqnum;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4296 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4297 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4298
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4299 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4300
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4301 if (qc->max_retired_seqnum && f->retire <= qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4302 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4303 * Once a sender indicates a Retire Prior To value, smaller values sent
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4304 * in subsequent NEW_CONNECTION_ID frames have no effect. A receiver
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4305 * MUST ignore any Retire Prior To fields that do not increase the
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4306 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4307 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4308 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4309 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4310
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4311 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4312
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4313 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4314
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4315 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4316
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4317 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4318 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4319
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4320 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4321 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4322 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4323
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4324 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4325
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4326 if (ngx_quic_retire_connection_id(c, pkt->level, cid->seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4327 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4328 {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4329 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4330 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4331
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4332 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4333 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4334 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4335 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4336
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4337 done:
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4338
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4339 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4340 /*
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4341 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4342 * adding and retiring active connection IDs, if the number of active
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4343 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4344 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4345 * close the connection with an error of type CONNECTION_ID_LIMIT_ERROR.
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4346 */
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4347 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4348 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4349 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4350 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4351
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4352 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4353 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4354
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4355
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4356 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4357 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4358 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4359 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4360 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4361 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4362
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4363 qc = ngx_quic_get_connection(c);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4364
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4365 frame = ngx_quic_alloc_frame(c, 0);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4366 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4367 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4368 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4369
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4370 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4371 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4372 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4373
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4374 ngx_quic_queue_frame(qc, frame);
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4375
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4376 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4377 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4378
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4379
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4380 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4381 ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4382 ngx_quic_header_t pkt, ngx_quic_retire_cid_frame_t f)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4383 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4384 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4385 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4386 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4387
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4388 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4389
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4390 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4391 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4392 q = ngx_queue_next(q))
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4393 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4394 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4395
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4396 if (sid->seqnum == f->sequence_number) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4397 ngx_queue_remove(q);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4398 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4399 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4400 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4401 break;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4402 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4403 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4404
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4405 return ngx_quic_issue_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4406 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4407
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4408
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4409 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4410 ngx_quic_issue_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4411 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4412 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4413 ngx_uint_t n;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4414 ngx_quic_frame_t *frame;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4415 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4416 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4417 u_char id[NGX_QUIC_SERVER_CID_LEN];
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4418
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4419 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4420
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4421 n = ngx_min(NGX_QUIC_MAX_SERVER_IDS, qc->ctp.active_connection_id_limit);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4422
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4423 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4424 "quic issue server ids has:%ui max:%ui", qc->nserver_ids, n);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4425
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4426 while (qc->nserver_ids < n) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4427 if (ngx_quic_create_server_id(c, id) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4428 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4429 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4430
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4431 dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4432 dcid.data = id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4433
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4434 sid = ngx_quic_insert_server_id(c, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4435 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4436 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4437 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4438
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4439 frame = ngx_quic_alloc_frame(c, 0);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4440 if (frame == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4441 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4442 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4443
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4444 frame->level = ssl_encryption_application;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4445 frame->type = NGX_QUIC_FT_NEW_CONNECTION_ID;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4446 frame->u.ncid.seqnum = sid->seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4447 frame->u.ncid.retire = 0;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4448 frame->u.ncid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4449 ngx_memcpy(frame->u.ncid.cid, id, NGX_QUIC_SERVER_CID_LEN);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4450
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4451 if (ngx_quic_new_sr_token(c, &dcid, &qc->conf->sr_token_key,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4452 frame->u.ncid.srt)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4453 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4454 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4455 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4456 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4457
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4458 ngx_quic_queue_frame(qc, frame);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4459 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4460
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4461 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4462 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4463
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4464
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4465 static void
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4466 ngx_quic_clear_temp_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4467 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4468 ngx_queue_t q, next;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4469 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4470 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4471
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4472 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4473
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4474 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4475 "quic clear temp server ids");
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4476
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4477 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4478 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4479 q = next)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4480 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4481 next = ngx_queue_next(q);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4482 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4483
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4484 if (sid->seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4485 continue;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4486 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4487
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4488 ngx_queue_remove(q);
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4489 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4490 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4491 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4492 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4493 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4494
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4495
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4496 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4497 ngx_quic_insert_server_id(ngx_connection_t c, ngx_str_t id)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4498 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4499 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4500 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4501 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4502
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4503 qc = ngx_quic_get_connection(c);
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4504
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4505 sid = ngx_quic_alloc_server_id(c, qc);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4506 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4507 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4508 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4509
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4510 sid->seqnum = qc->server_seqnum;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4511
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4512 if (qc->server_seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4513 qc->server_seqnum++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4514 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4515
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4516 sid->len = id->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4517 ngx_memcpy(sid->id, id->data, id->len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4518
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4519 ngx_queue_insert_tail(&qc->server_ids, &sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4520 qc->nserver_ids++;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4521
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4522 dcid.data = sid->id;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4523 dcid.len = sid->len;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4524
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4525 ngx_insert_udp_connection(c, &sid->udp, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4526
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4527 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4528 "quic insert server id seqnum:%uL", sid->seqnum);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4529
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4530 ngx_quic_hexdump(c->log, "quic server id", id->data, id->len);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4531
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4532 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4533 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4534
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4535
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4536 static ngx_quic_client_id_t *
8627 405b6e8eb523 QUIC: renamed field and function related to client ids. Roman Arutyunyan <arut@nginx.com> parents: 8626 diff changeset	4537 ngx_quic_alloc_client_id(ngx_connection_t c, ngx_quic_connection_t qc)
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4538 {
8561 b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	4539 ngx_queue_t *q;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage. Vladimir Homutov <vl@nginx.com> parents: 8560 diff changeset	4540 ngx_quic_client_id_t *cid;
8538 3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4541
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4542 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4543
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4544 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4545 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4546
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4547 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4548
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4549 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4550
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4551 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4552
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4553 cid = ngx_pcalloc(c->pool, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4554 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4555 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4556 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4557 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4558
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4559 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4560 }
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4561
3afaaaa930ab QUIC: added support for multiple connection IDs. Vladimir Homutov <vl@nginx.com> parents: 8536 diff changeset	4562
8628 45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4563 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4564 ngx_quic_alloc_server_id(ngx_connection_t c, ngx_quic_connection_t qc)
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4565 {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4566 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4567 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4568
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4569 if (!ngx_queue_empty(&qc->free_server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4570
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4571 q = ngx_queue_head(&qc->free_server_ids);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4572 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4573
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4574 ngx_queue_remove(&sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4575
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4576 ngx_memzero(sid, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4577
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4578 } else {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4579
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4580 sid = ngx_pcalloc(c->pool, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4581 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4582 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4583 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4584 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4585
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4586 return sid;
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4587 }
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4588
45db1b5c1706 QUIC: connection multiplexing per port. Roman Arutyunyan <arut@nginx.com> parents: 8627 diff changeset	4589
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4590 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4591 ngx_quic_queue_frame(ngx_quic_connection_t qc, ngx_quic_frame_t frame)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4592 {
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4593 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4594
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4595 ctx = ngx_quic_get_send_ctx(qc, frame->level);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4596
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4597 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	4598
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4599 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4600 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4601
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4602 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4603 return;
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4604 }
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4605
8517 924882f42dea QUIC: do not artificially delay sending queued frames. Sergey Kandaurov <pluknet@nginx.com> parents: 8516 diff changeset	4606 ngx_post_event(&qc->push, &ngx_posted_events);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4607 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4608
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4609
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4610 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4611 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4612 {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4613 ngx_uint_t i;
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4614 ngx_msec_t delay;
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4615 ngx_quic_send_ctx_t *ctx;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4616 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4617
8275 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	4618 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 8274 diff changeset	4619
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4620 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4621
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4622 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4623
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4624 ctx = &qc->send_ctx[i];
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4625
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4626 if (ctx->send_ack) {
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4627
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4628 if (ctx->level == ssl_encryption_application) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4629
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4630 delay = ngx_current_msec - ctx->ack_delay_start;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4631
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4632 if (ctx->send_ack < NGX_QUIC_MAX_ACK_GAP
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4633 && delay < qc->tp.max_ack_delay)
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4634 {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4635 if (!qc->push.timer_set && !qc->closing) {
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4636 ngx_add_timer(&qc->push, qc->tp.max_ack_delay - delay);
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4637 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4638
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4639 goto output;
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4640 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4641 }
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4642
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4643 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4644 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4645 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4646 ctx->send_ack = 0;
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4647 }
38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4648
8603 c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4649 output:
c5ea341f705a QUIC: optimized acknowledgement generation. Vladimir Homutov <vl@nginx.com> parents: 8602 diff changeset	4650
8596 38c7dd720774 QUIC: added ACK frame range support. Vladimir Homutov <vl@nginx.com> parents: 8595 diff changeset	4651 if (ngx_quic_output_frames(c, ctx) != NGX_OK) {
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4652 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4653 }
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4654 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4655
8322 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 8321 diff changeset	4656 if (!qc->send_timer_set && !qc->closing) {
8271 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4657 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4658 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4659 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 8270 diff changeset	4660
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4661 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4662 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4663
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4664
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4665 static ngx_int_t
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4666 ngx_quic_output_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4667 {
8610 7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4668 size_t len, hlen, cutoff;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4669 ngx_uint_t need_ack;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4670 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4671 ngx_quic_frame_t *f;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4672 ngx_quic_congestion_t *cg;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4673 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4674
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4675 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4676 cg = &qc->congestion;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4677
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4678 if (ngx_queue_empty(&ctx->frames)) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4679 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4680 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4681
8332 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4682 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4683 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4684
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4685 /* all frames in same send_ctx share same level */
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4686 hlen = (f->level == ssl_encryption_application) ? NGX_QUIC_MAX_SHORT_HEADER
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 8331 diff changeset	4687 : NGX_QUIC_MAX_LONG_HEADER;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4688 hlen += EVP_GCM_TLS_TAG_LEN;
8590 44991d728899 QUIC: account packet header length in amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8589 diff changeset	4689 hlen -= NGX_QUIC_MAX_CID_LEN - qc->scid.len;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4690
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4691 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4692 len = 0;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4693 need_ack = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4694 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4695
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4696 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4697 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4698 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4699
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4700 if (len && hlen + len + f->len > qc->ctp.max_udp_payload_size) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4701 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4702 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4703
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4704 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4705 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4706 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4707
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4708 if (need_ack && cg->in_flight + len + f->len > cg->window) {
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4709 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4710 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4711
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4712 if (!qc->validated) {
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4713 /*
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4714 * Prior to validation, endpoints are limited in what they
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4715 * are able to send. During the handshake, a server cannot
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4716 * send more than three times the data it receives;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4717 */
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4718
8610 7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4719 if (f->level == ssl_encryption_initial) {
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4720 cutoff = (c->sent + NGX_QUIC_MIN_INITIAL_SIZE) / 3;
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4721
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4722 } else {
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4723 cutoff = (c->sent + hlen + len + f->len) / 3;
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4724 }
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4725
7a9ab6f7cea3 QUIC: updated anti-amplification check for draft 32. Vladimir Homutov <vl@nginx.com> parents: 8609 diff changeset	4726 if (cutoff > qc->received) {
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4727 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4728 "quic hit amplification limit"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	4729 " received:%uz sent:%O",
8477 031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4730 qc->received, c->sent);
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4731 break;
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4732 }
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4733 }
031918df51c0 QUIC: added anti-amplification limit. Vladimir Homutov <vl@nginx.com> parents: 8476 diff changeset	4734
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4735 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4736
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4737 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4738
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4739 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4740 ngx_queue_insert_tail(&range, &f->queue);
8476 f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4741
f9fbeb4ee0de QUIC: added limit of queued data. Vladimir Homutov <vl@nginx.com> parents: 8475 diff changeset	4742 len += f->len;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4743
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4744 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4745
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4746 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4747 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4748 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4749
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4750 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4751 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4752 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4753
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4754 } while (q != ngx_queue_sentinel(&ctx->frames));
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4755
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4756 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4757 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4758
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4759
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4760 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4761 ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4762 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4763 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4764 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4765
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4766 do {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4767 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4768
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4769 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4770 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4771 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4772
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4773 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4774
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4775 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4776
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4777 ngx_quic_free_frame(c, f);
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	4778 } while (1);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4779 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4780
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4781
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4782 static ngx_int_t
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4783 ngx_quic_send_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4784 ngx_queue_t *frames)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4785 {
8591 ffa14521990e QUIC: sorted ngx_quic_send_frames() declarations. Sergey Kandaurov <pluknet@nginx.com> parents: 8590 diff changeset	4786 u_char *p;
8595 96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4787 size_t pad_len;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4788 ssize_t len;
8591 ffa14521990e QUIC: sorted ngx_quic_send_frames() declarations. Sergey Kandaurov <pluknet@nginx.com> parents: 8590 diff changeset	4789 ngx_str_t out, res;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4790 ngx_msec_t now;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4791 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4792 ngx_quic_frame_t f, start;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4793 ngx_quic_header_t pkt;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4794 ngx_quic_connection_t *qc;
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4795 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	4796 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4797
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4798 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4799 "quic ngx_quic_send_frames");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4800
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4801 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4802 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4803
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4804 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4805
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4806 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4807
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4808 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4809 out.data = src;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4810
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4811 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4812 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4813 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4814 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4815 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4816
8604 b3d9e57d0f62 QUIC: single function for frame debug logging. Vladimir Homutov <vl@nginx.com> parents: 8603 diff changeset	4817 ngx_quic_log_frame(c->log, f, 1);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4818
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4819 len = ngx_quic_create_frame(p, f);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4820 if (len == -1) {
8575 2b11bd029815 QUIC: fixed memory leak in ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8574 diff changeset	4821 ngx_quic_free_frames(c, frames);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4822 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4823 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4824
8312 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	4825 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	4826 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	4827 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 8311 diff changeset	4828
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4829 p += len;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4830 f->pnum = ctx->pnum;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	4831 f->last = now;
8572 3bde57a0e6ce QUIC: zero out packet length in frames prior to send. Sergey Kandaurov <pluknet@nginx.com> parents: 8567 diff changeset	4832 f->plen = 0;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4833 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4834
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4835 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4836
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4837 qc = ngx_quic_get_connection(c);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4838
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	4839 pkt.keys = qc->keys;
8306 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 8305 diff changeset	4840
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4841 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4842
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4843 if (start->level == ssl_encryption_initial) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4844 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4845
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4846 } else if (start->level == ssl_encryption_handshake) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4847 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_HANDSHAKE;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4848
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4849 } else {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4850 if (qc->key_phase) {
8370 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4851 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 8369 diff changeset	4852 }
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4853 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4854
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4855 ngx_quic_set_packet_number(&pkt, ctx);
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4856
8624 340cd26158fb QUIC: preparatory changes for multiple QUIC versions support. Sergey Kandaurov <pluknet@nginx.com> parents: 8623 diff changeset	4857 pkt.version = qc->version;
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4858 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4859 pkt.level = start->level;
8344 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	4860 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 8343 diff changeset	4861 pkt.scid = qc->dcid;
8595 96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4862
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4863 if (start->level == ssl_encryption_initial && pkt.need_ack) {
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4864 pad_len = NGX_QUIC_MIN_INITIAL_SIZE - EVP_GCM_TLS_TAG_LEN
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4865 - ngx_quic_create_long_header(&pkt, NULL, out.len, NULL);
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4866 pad_len = ngx_min(pad_len, NGX_QUIC_MIN_INITIAL_SIZE);
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4867
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4868 } else {
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4869 pad_len = 4;
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4870 }
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4871
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4872 if (out.len < pad_len) {
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4873 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len);
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4874 out.len = pad_len;
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4875 }
96798101c3aa QUIC: expand UDP datagrams with an ack-eliciting Initial packet. Sergey Kandaurov <pluknet@nginx.com> parents: 8592 diff changeset	4876
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4877 pkt.payload = out;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	4878
8289 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8288 diff changeset	4879 res.data = dst;
8285 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 8284 diff changeset	4880
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4881 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609 f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs. Vladimir Homutov <vl@nginx.com> parents: 8608 diff changeset	4882 "quic packet tx %s bytes:%ui"
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	4883 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD",
8608 4a05f0f3dfce QUIC: added "rx" and "tx" prefixes to packet debug. Vladimir Homutov <vl@nginx.com> parents: 8607 diff changeset	4884 ngx_quic_level_name(start->level), out.len, pkt.need_ack,
4a05f0f3dfce QUIC: added "rx" and "tx" prefixes to packet debug. Vladimir Homutov <vl@nginx.com> parents: 8607 diff changeset	4885 pkt.number, pkt.num_len, pkt.trunc);
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	4886
8621 9c3be23ddbe7 QUIC: refactored key handling. Sergey Kandaurov <pluknet@nginx.com> parents: 8620 diff changeset	4887 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
8575 2b11bd029815 QUIC: fixed memory leak in ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8574 diff changeset	4888 ngx_quic_free_frames(c, frames);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4889 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4890 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4891
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4892 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4893 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
8575 2b11bd029815 QUIC: fixed memory leak in ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 8574 diff changeset	4894 ngx_quic_free_frames(c, frames);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4895 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4896 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4897
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4898 /* len == NGX_OK \|\| NGX_AGAIN */
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4899 ctx->pnum++;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	4900
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4901 if (pkt.need_ack) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4902 /* move frames into the sent queue to wait for ack */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4903
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4904 if (qc->closing) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4905 /* if we are closing, any ack will be discarded */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4906 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4907
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4908 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4909 ngx_queue_add(&ctx->sent, frames);
8475 b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	4910 if (qc->pto.timer_set) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	4911 ngx_del_timer(&qc->pto);
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	4912 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation. Vladimir Homutov <vl@nginx.com> parents: 8474 diff changeset	4913 ngx_add_timer(&qc->pto, ngx_quic_pto(c, ctx));
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4914
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4915 start->plen = len;
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4916 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4917
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	4918 qc->congestion.in_flight += len;
8473 1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4919
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4920 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4921 "quic congestion send if:%uz",
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4922 qc->congestion.in_flight);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4923 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4924 /* no ack is expected for this frames, so we can free them */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4925 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4926 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4927
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function. Vladimir Homutov <vl@nginx.com> parents: 8472 diff changeset	4928 return NGX_OK;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4929 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4930
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4931
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4932 static void
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4933 ngx_quic_set_packet_number(ngx_quic_header_t pkt, ngx_quic_send_ctx_t ctx)
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4934 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4935 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4936
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4937 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4938 pkt->number = ctx->pnum;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4939
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4940 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4941 pkt->num_len = 1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4942 pkt->trunc = ctx->pnum & 0xff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4943
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4944 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4945 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4946 pkt->flags \|= 0x1;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4947 pkt->trunc = ctx->pnum & 0xffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4948
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4949 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4950 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4951 pkt->flags \|= 0x2;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4952 pkt->trunc = ctx->pnum & 0xffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4953
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4954 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4955 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4956 pkt->flags \|= 0x3;
8331 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 8328 diff changeset	4957 pkt->trunc = ctx->pnum & 0xffffffff;
8315 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4958 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4959 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4960
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4961
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 8314 diff changeset	4962 static void
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	4963 ngx_quic_pto_handler(ngx_event_t *ev)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4964 {
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4965 ngx_uint_t i;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4966 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4967 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4968 ngx_quic_frame_t *start;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4969 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4970 ngx_quic_connection_t *qc;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4971
8472 3b15732ac03f QUIC: renaming. Vladimir Homutov <vl@nginx.com> parents: 8471 diff changeset	4972 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4973
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	4974 c = ev->data;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4975 qc = ngx_quic_get_connection(c);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4976
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4977 qc->pto_count++;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4978
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4979 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4980
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4981 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4982
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4983 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4984 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4985 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4986
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4987 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4988 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4989
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4990 if (start->pnum <= ctx->largest_ack
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	4991 && ctx->largest_ack != NGX_QUIC_UNSET_PN)
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4992 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4993 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4994 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4995
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4996 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8518 diff changeset	4997 "quic pto pnum:%uL pto_count:%ui level:%d",
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	4998 start->pnum, qc->pto_count, start->level);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	4999
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5000 ngx_quic_resend_frames(c, ctx);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5001 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5002
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5003 ngx_quic_connstate_dbg(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5004 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5005
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5006
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5007 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5008 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5009 {
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5010 ngx_connection_t *c;
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5011
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5012 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5013
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5014 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5015
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5016 if (ngx_quic_output(c) != NGX_OK) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	5017 ngx_quic_close_connection(c, NGX_ERROR);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5018 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5019 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5020
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5021 ngx_quic_connstate_dbg(c);
8309 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5022 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5023
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 8308 diff changeset	5024
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5025 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5026 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5027 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5028 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5029
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5030 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5031
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5032 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5033
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5034 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5035 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5036 }
8607 21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5037
21b7dac9de3b QUIC: added connection state debug to event handlers. Vladimir Homutov <vl@nginx.com> parents: 8606 diff changeset	5038 ngx_quic_connstate_dbg(c);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5039 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5040
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5041
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5042 static ngx_int_t
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5043 ngx_quic_detect_lost(ngx_connection_t *c)
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5044 {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5045 ngx_uint_t i;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5046 ngx_msec_t now, wait, min_wait, thr;
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5047 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5048 ngx_quic_frame_t *start;
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5049 ngx_quic_send_ctx_t *ctx;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5050 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5051
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5052 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5053 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5054
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5055 min_wait = 0;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5056
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5057 thr = NGX_QUIC_TIME_THR * ngx_max(qc->latest_rtt, qc->avg_rtt);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5058 thr = ngx_max(thr, NGX_QUIC_TIME_GRANULARITY);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5059
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5060 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5061
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5062 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5063
8598 85a550047eb5 QUIC: added macro for unset packet number. Vladimir Homutov <vl@nginx.com> parents: 8597 diff changeset	5064 if (ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5065 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5066 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5067
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5068 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5069
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5070 q = ngx_queue_head(&ctx->sent);
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5071 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5072
8515 4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5073 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5074 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5075 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets. Sergey Kandaurov <pluknet@nginx.com> parents: 8514 diff changeset	5076
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5077 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5078
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5079 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519 de7d6d943f68 QUIC: fixed format specifiers. Sergey Kandaurov <pluknet@nginx.com> parents: 8518 diff changeset	5080 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5081 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5082
8516 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5083 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5084 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5085 {
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5086
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5087 if (min_wait == 0 \|\| wait < min_wait) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5088 min_wait = wait;
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5089 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5090
8516 355e079c5eee QUIC: do not arm loss detection timer on packet threshold. Sergey Kandaurov <pluknet@nginx.com> parents: 8515 diff changeset	5091 break;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5092 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5093
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5094 ngx_quic_resend_frames(c, ctx);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5095 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5096 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5097
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5098 /* no more preceeding packets */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5099
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5100 if (min_wait == 0) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5101 qc->pto.handler = ngx_quic_pto_handler;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5102 return NGX_OK;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5103 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5104
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5105 qc->pto.handler = ngx_quic_lost_handler;
8474 909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5106
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5107 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5108 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5109 }
909b989ec088 QUIC: reworked retransmission mechanism. Vladimir Homutov <vl@nginx.com> parents: 8473 diff changeset	5110
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5111 ngx_add_timer(&qc->pto, min_wait);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5112
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5113 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5114 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5115
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5116
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5117 static void
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5118 ngx_quic_resend_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5119 {
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5120 size_t n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5121 ngx_buf_t *b;
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5122 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5123 ngx_quic_frame_t f, start;
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5124 ngx_quic_stream_t *sn;
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5125 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5126
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5127 qc = ngx_quic_get_connection(c);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5128 q = ngx_queue_head(&ctx->sent);
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5129 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5130
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5131 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5132 "quic resend packet pnum:%uL", start->pnum);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5133
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5134 ngx_quic_congestion_lost(c, start);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5135
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5136 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5137 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5138
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5139 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5140 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5141 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5142
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5143 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5144
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5145 ngx_queue_remove(&f->queue);
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5146
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5147 switch (f->type) {
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5148 case NGX_QUIC_FT_ACK:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5149 case NGX_QUIC_FT_ACK_ECN:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5150 /* force generation of most recent acknowledgment */
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5151 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5152 ngx_quic_free_frame(c, f);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5153 break;
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5154
8617 69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5155 case NGX_QUIC_FT_PING:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5156 case NGX_QUIC_FT_PATH_RESPONSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5157 case NGX_QUIC_FT_CONNECTION_CLOSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5158 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5159 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5160
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5161 case NGX_QUIC_FT_MAX_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5162 f->u.max_data.max_data = qc->streams.recv_max_data;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5163 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5164 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5165
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5166 case NGX_QUIC_FT_MAX_STREAMS:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5167 case NGX_QUIC_FT_MAX_STREAMS2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5168 f->u.max_streams.limit = f->u.max_streams.bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5169 ? qc->streams.client_max_streams_bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5170 : qc->streams.client_max_streams_uni;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5171 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5172 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5173
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5174 case NGX_QUIC_FT_MAX_STREAM_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5175 sn = ngx_quic_find_stream(&qc->streams.tree,
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5176 f->u.max_stream_data.id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5177 if (sn == NULL) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5178 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5179 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5180 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5181
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5182 b = sn->b;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5183 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5184
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5185 if (f->u.max_stream_data.limit < n) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5186 f->u.max_stream_data.limit = n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5187 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5188
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5189 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5190 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5191
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5192 case NGX_QUIC_FT_STREAM0:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5193 case NGX_QUIC_FT_STREAM1:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5194 case NGX_QUIC_FT_STREAM2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5195 case NGX_QUIC_FT_STREAM3:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5196 case NGX_QUIC_FT_STREAM4:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5197 case NGX_QUIC_FT_STREAM5:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5198 case NGX_QUIC_FT_STREAM6:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5199 case NGX_QUIC_FT_STREAM7:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5200 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5201
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5202 if (sn && sn->c->write->error) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5203 /* RESET_STREAM was sent */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5204 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5205 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5206 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5207
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5208 /* fall through */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames(). Roman Arutyunyan <arut@nginx.com> parents: 8616 diff changeset	5209
8616 64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5210 default:
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5211 ngx_queue_insert_tail(&ctx->frames, &f->queue);
64405f970f6f QUIC: avoided retransmission of stale ack frames. Vladimir Homutov <vl@nginx.com> parents: 8615 diff changeset	5212 }
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5213
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5214 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5215
8556 b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5216 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5217 return;
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5218 }
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5219
b383120afca3 QUIC: resend frames by moving them to output queue. Roman Arutyunyan <arut@nginx.com> parents: 8553 diff changeset	5220 ngx_post_event(&qc->push, &ngx_posted_events);
8513 38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5221 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5222
38f1be6c603f QUIC: sending probe packets on PTO timer expiration. Sergey Kandaurov <pluknet@nginx.com> parents: 8512 diff changeset	5223
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5224 ngx_connection_t *
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5225 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5226 {
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5227 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5228 uint64_t id;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5229 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5230 ngx_quic_connection_t *qc;
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5231
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5232 qs = c->quic;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5233 qc = ngx_quic_get_connection(qs->parent);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5234
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5235 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5236 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5237 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5238 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5239 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5240 "quic too many server bidi streams:%uL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5241 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5242 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5243 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5244
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5245 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5246 \| NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5247
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5248 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5249 "quic creating server bidi stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5250 " streams:%uL max:%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5251 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5252 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5253
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5254 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5255 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5256
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5257 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5258 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5259 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5260 {
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5261 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5262 "quic too many server uni streams:%uL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5263 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5264 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5265 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5266
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5267 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5268 \| NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5269 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5270
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5271 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5272 "quic creating server uni stream"
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5273 " streams:%uL max:%uL id:0x%xL",
8495 455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5274 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5275 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5276
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5277 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5278 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5279 }
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5280
455a8536eaa7 QUIC: limited the number of server-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8486 diff changeset	5281 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5282 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5283 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5284 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5285
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5286 return sn->c;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5287 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5288
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5289
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5290 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5291 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5292 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5293 {
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5294 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5295 ngx_quic_stream_t qn, qnt;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5296
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5297 for ( ;; ) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5298 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5299 qnt = (ngx_quic_stream_t *) temp;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5300
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5301 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5302
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5303 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5304 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5305 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5306
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5307 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5308 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5309
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5310 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5311 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5312 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5313 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5314 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5315 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5316
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5317
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5318 static ngx_quic_stream_t *
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5319 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5320 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5321 ngx_rbtree_node_t node, sentinel;
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5322 ngx_quic_stream_t *qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5323
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5324 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5325 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5326
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5327 while (node != sentinel) {
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5328 qn = (ngx_quic_stream_t *) node;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5329
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5330 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5331 return qn;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5332 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5333
8284 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 8282 diff changeset	5334 node = (id < qn->id) ? node->left : node->right;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5335 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5336
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5337 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5338 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5339
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5340
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5341 static ngx_quic_stream_t *
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5342 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5343 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5344 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5345 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5346 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5347 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5348
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5349 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5350 "quic stream id:0x%xL is new", id);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5351
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5352 qc = ngx_quic_get_connection(c);
8504 d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5353
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5354 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5355
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5356 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5357 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5358 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5359 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5360
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5361 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5362 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5363 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5364
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5365 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5366 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5367 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5368
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5369 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5370 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5371 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5372 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5373
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5374 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5375 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5376 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5377 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5378
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5379 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5380
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5381 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5382 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5383 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5384 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5385
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5386 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5387 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5388 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5389
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5390 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5391 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5392 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5393
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5394 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5395 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5396 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5397 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5398
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5399 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5400 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5401 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5402 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5403
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5404 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5405 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5406 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5407
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5408 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5409 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5410 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5411 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5412 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5413 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5414 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5415 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5416
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5417 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5418
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5419 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5420 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5421 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5422 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5423
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5424 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5425 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5426
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5427 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5428 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5429
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5430
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA. Roman Arutyunyan <arut@nginx.com> parents: 8503 diff changeset	5431 static ngx_quic_stream_t *
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5432 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5433 {
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5434 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5435 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5436 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5437 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5438 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5439
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5440 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5441 "quic stream id:0x%xL create", id);
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5442
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5443 qc = ngx_quic_get_connection(c);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5444
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5445 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5446 if (pool == NULL) {
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5447 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5448 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5449
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5450 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5451 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5452 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5453 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5454 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5455
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5456 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5457 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5458 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5459
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5460 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5461 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5462 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5463 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5464 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5465
8334 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5466 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 8333 diff changeset	5467
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5468 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5469 if (log == NULL) {
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5470 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5471 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5472 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5473
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5474 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5475 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5476
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5477 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5478 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5479 ngx_destroy_pool(pool);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5480 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5481 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5482
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5483 sn->c->quic = sn;
8482 893b3313f53c QUIC: added "quic" listen parameter in Stream. Roman Arutyunyan <arut@nginx.com> parents: 8481 diff changeset	5484 sn->c->type = SOCK_STREAM;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5485 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5486 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5487 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5488 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5489 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5490 sn->c->local_sockaddr = c->local_sockaddr;
8579 d57cfdebe301 QUIC: set local_socklen in stream connections. Roman Arutyunyan <arut@nginx.com> parents: 8578 diff changeset	5491 sn->c->local_socklen = c->local_socklen;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5492 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5493
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5494 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5495 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5496 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5497
8479 b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	5498 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log. Roman Arutyunyan <arut@nginx.com> parents: 8478 diff changeset	5499 sn->c->write->log = log;
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5500
8362 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	5501 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 8361 diff changeset	5502
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5503 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5504 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5505 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5506 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5507 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	5508
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5509 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5510 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5511 sn->send_max_data = qc->ctp.initial_max_stream_data_uni;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5512 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5513
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5514 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5515 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5516 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_remote;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5517 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5518 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_local;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5519 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5520 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5521
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5522 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5523 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5524 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5525 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5526 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5527 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5528
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5529 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5530 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5531
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5532 ngx_rbtree_insert(&qc->streams.tree, &sn->node);
8282 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 8281 diff changeset	5533
8229 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5534 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5535 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5536
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 8225 diff changeset	5537
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5538 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5539 ngx_quic_stream_recv(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5540 {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5541 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5542 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5543 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5544 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5545 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5546 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5547 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5548
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5549 qs = c->quic;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5550 b = qs->b;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5551 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5552 qc = ngx_quic_get_connection(pc);
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5553 rev = c->read;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5554
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5555 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5556 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5557 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5558
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5559 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5560 "quic stream recv id:0x%xL eof:%d avail:%z",
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5561 qs->id, rev->pending_eof, b->last - b->pos);
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5562
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5563 if (b->pos == b->last) {
8279 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5564 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5565
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5566 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5567 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5568 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5569 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8278 diff changeset	5570
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5571 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5572 "quic stream id:0x%xL recv() not ready", qs->id);
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5573 return NGX_AGAIN;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5574 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5575
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5576 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5577
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5578 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5579
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5580 b->pos += len;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5581 qc->streams.received += len;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5582
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5583 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5584 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5585 b->last = b->start;
8294 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 8293 diff changeset	5586 rev->ready = rev->pending_eof;
8266 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5587 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8265 diff changeset	5588
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5589 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5590 "quic stream id:0x%xL recv len:%z of size:%uz",
eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5591 qs->id, len, size);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5592
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5593 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5594 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5595 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5596 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5597 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5598
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5599 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5600 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5601 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5602 frame->u.max_stream_data.limit = qs->fs.received + (b->pos - b->start)
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5603 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5604
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5605 ngx_quic_queue_frame(qc, frame);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5606 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5607
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5608 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5609
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5610 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5611
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5612 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5613 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5614 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5615
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5616 qc->streams.recv_max_data *= 2;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5617
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5618 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5619 frame->type = NGX_QUIC_FT_MAX_DATA;
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5620 frame->u.max_data.max_data = qc->streams.recv_max_data;
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5621
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5622 ngx_quic_queue_frame(qc, frame);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5623
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5624 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5625 "quic stream id:0x%xL recv: increased max_data:%uL",
8365 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 8364 diff changeset	5626 qs->id, qc->streams.recv_max_data);
8338 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5627 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 8337 diff changeset	5628
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5629 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5630 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5631
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5632
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5633 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5634 ngx_quic_stream_send(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5635 {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5636 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5637 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5638
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5639 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5640
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5641 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5642 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5643 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5644
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5645 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5646 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5647
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5648 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5649 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5650 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5651
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5652 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5653 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5654 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5655
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5656 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5657 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5658
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5659
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5660 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5661 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5662 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5663 u_char *p;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5664 size_t n, max, max_frame, max_flow, max_limit, len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5665 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5666 size_t sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5667 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5668 ngx_buf_t *b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5669 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5670 ngx_uint_t nframes;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5671 #endif
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5672 ngx_event_t *wev;
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5673 ngx_chain_t *cl;
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5674 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5675 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5676 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5677 ngx_quic_connection_t *qc;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5678
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5679 qs = c->quic;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5680 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5681 qc = ngx_quic_get_connection(pc);
8503 b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5682 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5683
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 8502 diff changeset	5684 if (wev->error) {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5685 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5686 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5687
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5688 max_frame = ngx_quic_max_stream_frame(qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5689 max_flow = ngx_quic_max_stream_flow(c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5690 max_limit = limit;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5691
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5692 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5693 sent = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5694 nframes = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5695 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5696
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5697 for ( ;; ) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5698 max = ngx_min(max_frame, max_flow);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5699
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5700 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5701 max = ngx_min(max, max_limit);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5702 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5703
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5704 for (cl = in, n = 0; in; in = in->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5705
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5706 if (!ngx_buf_in_memory(in->buf)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5707 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5708 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5709
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5710 n += ngx_buf_size(in->buf);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5711
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5712 if (n > max) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5713 n = max;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5714 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5715 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5716 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5717
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5718 if (n == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5719 wev->ready = (max_flow ? 1 : 0);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5720 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5721 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5722
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5723 frame = ngx_quic_alloc_frame(pc, n);
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5724 if (frame == NULL) {
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5725 return NGX_CHAIN_ERROR;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5726 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5727
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5728 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5729 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5730 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5731 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5732 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5733
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5734 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5735 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5736 frame->u.stream.offset = c->sent;
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5737 frame->u.stream.length = n;
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5738 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5739
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5740 c->sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5741 qc->streams.sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5742 max_flow -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5743
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5744 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5745 max_limit -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5746 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5747
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5748 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5749 sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5750 nframes++;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5751 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5752
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5753 for (p = frame->data; n > 0; cl = cl->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5754 b = cl->buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5755
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5756 if (!ngx_buf_in_memory(b)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5757 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5758 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5759
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5760 len = ngx_min(n, (size_t) (b->last - b->pos));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5761 p = ngx_cpymem(p, b->pos, len);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5762
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5763 b->pos += len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5764 n -= len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5765 }
8345 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5766
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 8344 diff changeset	5767 ngx_quic_queue_frame(qc, frame);
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5768 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5769
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5770 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5771 "quic send_chain sent:%uz nframes:%ui", sent, nframes);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5772
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5773 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5774 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5775
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5776
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5777 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5778 ngx_quic_max_stream_frame(ngx_quic_connection_t *qc)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5779 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5780 /*
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5781 * we need to fit at least 1 frame into a packet, thus account head/tail;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5782 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5783 */
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5784
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5785 return qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5786 - EVP_GCM_TLS_TAG_LEN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5787 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5788
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5789
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5790 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5791 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5792 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5793 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5794 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5795 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5796 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5797
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5798 qs = c->quic;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5799 qc = ngx_quic_get_connection(qs->parent);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5800
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5801 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5802 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5803 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5804
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5805 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5806 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5807 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5808
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5809 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5810 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5811 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5812 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5813 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5814
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5815 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5816 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5817 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5818
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5819 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5820 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5821 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5822 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5823 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5824
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5825 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5826 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5827 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5828
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5829 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5830 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5831 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5832 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5833 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5834
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5835 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5836 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5837 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5838
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5839 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5840 "quic send flow:%uz", size);
8509 bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5841
bce9e9643444 QUIC: coalesce neighbouring stream send buffers. Roman Arutyunyan <arut@nginx.com> parents: 8508 diff changeset	5842 return size;
8225 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5843 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5844
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 8224 diff changeset	5845
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5846 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5847 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5848 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5849 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5850
8280 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5851 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5852 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5853 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 8279 diff changeset	5854 ngx_quic_connection_t *qc;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5855
8630 279ad36f2f4b QUIC: renamed c->qs to c->quic. Roman Arutyunyan <arut@nginx.com> parents: 8629 diff changeset	5856 qs = c->quic;
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5857 pc = qs->parent;
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5858 qc = ngx_quic_get_connection(pc);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5859
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5860 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5861 "quic stream id:0x%xL cleanup", qs->id);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5862
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5863 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
8348 d42b50d239f4 Fixed memory leak with reordered stream frames. Vladimir Homutov <vl@nginx.com> parents: 8346 diff changeset	5864 ngx_quic_free_frames(pc, &qs->fs.frames);
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5865
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5866 if (qc->closing) {
8355 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 8354 diff changeset	5867 /* schedule handler call to continue ngx_quic_close_connection() */
8281 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5868 ngx_post_event(pc->read, &ngx_posted_events);
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5869 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5870 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 8280 diff changeset	5871
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5872 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5873 \|\| (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5874 {
8539 62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin. Roman Arutyunyan <arut@nginx.com> parents: 8538 diff changeset	5875 if (!c->read->pending_eof && !c->read->error) {
8528 97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5876 frame = ngx_quic_alloc_frame(pc, 0);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5877 if (frame == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5878 return;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5879 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5880
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5881 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5882 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5883 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5884 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5885
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5886 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5887 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5888 }
97da6521657c QUIC: send STOP_SENDING on stream closure. Roman Arutyunyan <arut@nginx.com> parents: 8526 diff changeset	5889
8496 c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5890 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5891 frame = ngx_quic_alloc_frame(pc, 0);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5892 if (frame == NULL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5893 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5894 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5895
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5896 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5897 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5898
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5899 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5900 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5901 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5902
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5903 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5904 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5905 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5906 }
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5907
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5908 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5909
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5910 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5911 /* do not send fin for client unidirectional streams */
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5912 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams. Roman Arutyunyan <arut@nginx.com> parents: 8495 diff changeset	5913 }
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5914 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5915
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5916 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605 eed49b83e18f QUIC: revised value separators in debug and error messages. Vladimir Homutov <vl@nginx.com> parents: 8604 diff changeset	5917 "quic stream id:0x%xL send fin", qs->id);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5918
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5919 frame = ngx_quic_alloc_frame(pc, 0);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5920 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5921 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5922 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5923
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5924 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5925 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5926 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5927 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5928 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5929
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5930 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5931 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5932 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5933 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5934 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5935
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5936 ngx_quic_queue_frame(qc, frame);
8293 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5937
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 8290 diff changeset	5938 (void) ngx_quic_output(pc);
8239 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5939 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5940
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 8237 diff changeset	5941
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5942 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5943 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5944 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5945 u_char *p;
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5946 ngx_queue_t *q;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5947 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5948 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5949
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5950 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5951 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5952 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5953 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5954 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5955
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5956 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5957 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5958 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5959
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	5960 qc = ngx_quic_get_connection(c);
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5961
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5962 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5963
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5964 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5965 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5966
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	5967 ngx_queue_remove(&frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5968
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5969 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5970 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5971 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5972 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5973
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5974 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5975 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5976 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5977 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5978 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5979 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5980
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5981 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5982 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5983 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5984
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5985 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5986 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5987 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	5988 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5989 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5990
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5991 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5992
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5993 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5994
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5995 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5996 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5997
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5998
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	5999 static void
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6000 ngx_quic_congestion_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6001 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6002 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6003 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6004 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6005
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6006 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6007 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6008 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6009
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6010 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6011 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6012
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6013 cg->in_flight -= f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6014
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6015 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6016
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6017 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6018 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6019 "quic congestion ack recovery win:%uz ss:%z if:%uz",
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6020 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6021
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6022 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6023 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6024
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6025 if (cg->window < cg->ssthresh) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6026 cg->window += f->plen;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6027
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6028 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6029 "quic congestion slow start win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6030 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6031
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6032 } else {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6033 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6034
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6035 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6036 "quic congestion avoidance win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6037 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6038 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6039
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6040 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6041
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6042 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6043
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6044 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6045 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6046 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6047 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6048
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6049
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6050 static void
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6051 ngx_quic_congestion_lost(ngx_connection_t c, ngx_quic_frame_t f)
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6052 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6053 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6054 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6055 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6056
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6057 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6058 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6059 }
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6060
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6061 qc = ngx_quic_get_connection(c);
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6062 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6063
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6064 cg->in_flight -= f->plen;
8612 b1676cd64dc9 QUIC: cleanup send context properly. Vladimir Homutov <vl@nginx.com> parents: 8611 diff changeset	6065 f->plen = 0;
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6066
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6067 timer = f->last - cg->recovery_start;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6068
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6069 if ((ngx_msec_int_t) timer <= 0) {
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6070 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6071 "quic congestion lost recovery win:%uz ss:%z if:%uz",
8508 4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6072 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting. Sergey Kandaurov <pluknet@nginx.com> parents: 8507 diff changeset	6073
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6074 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6075 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6076
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6077 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6078 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6079
8415 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	6080 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 8413 diff changeset	6081 cg->window = qc->tp.max_udp_payload_size * 2;
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6082 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6083
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6084 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6085
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6086 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623 8550b91e8e35 QUIC: added proper logging of special values. Vladimir Homutov <vl@nginx.com> parents: 8622 diff changeset	6087 "quic congestion lost win:%uz ss:%z if:%uz",
8364 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6088 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6089 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6090
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6091
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 8363 diff changeset	6092 static void
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6093 ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6094 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6095 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6096
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6097 qc = ngx_quic_get_connection(c);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6098
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6099 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6100 ngx_free(frame->data);
8394 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 8393 diff changeset	6101 frame->data = NULL;
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6102 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6103
8308 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 8307 diff changeset	6104 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6105
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6106 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6107 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6108 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 8356 diff changeset	6109 #endif
8286 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 8285 diff changeset	6110 }
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6111
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6112
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6113 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6114 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6115 {
8629 feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6116 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6117 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6118
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6119 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6120
feec2cc762f6 QUIC: got rid of the c->quic field. Roman Arutyunyan <arut@nginx.com> parents: 8628 diff changeset	6121 version = qc->version;
8626 e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6122
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6123 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN. Sergey Kandaurov <pluknet@nginx.com> parents: 8625 diff changeset	6124 }

Mercurial > hg > nginx

annotate src/event/ngx_event_quic.c @ 8638:d1cf691a82e8 quic