nginx-quic: src/event/ngx_event

annotate src/event/ngx_event_quic.c @ 7938:3b5fbf1bcdee quic

Reject new QUIC connection with CONNECTION_REFUSED on shutdown.

author	Sergey Kandaurov <pluknet@nginx.com>
date	Tue, 23 Jun 2020 11:57:00 +0300
parents	b9bce2c4fe33
children	df29219988bc

rev	line source
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	4 */
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	6
7637 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>
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	9 #include <ngx_event.h>
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	10
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	11
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	12 /* 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: 7772 diff changeset	13 * so we have 3 packet number spaces:
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	14 *
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	15 * 0 - Initial
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	16 * 1 - Handshake
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	17 * 2 - 0-RTT and 1-RTT
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	18 */
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	19 #define ngx_quic_get_send_ctx(qc, level) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	20 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	21 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	22 : &((qc)->send_ctx[2]))
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	23
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	24 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	25
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	26 #define NGX_QUIC_STREAMS_INC 16
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	27 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	28
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	29 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	30 * 7.4. Cryptographic Message Buffering
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	31 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	32 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	33 #define NGX_QUIC_MAX_BUFFERED 65535
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	34
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	35
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	36 typedef struct {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	37 ngx_rbtree_t tree;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	38 ngx_rbtree_node_t sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	39 ngx_connection_handler_pt handler;
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	40
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	41 ngx_uint_t id_counter;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	42
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	43 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	44 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	45 uint64_t recv_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	46 uint64_t send_max_data;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	47 } ngx_quic_streams_t;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	48
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	49
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	50 typedef struct {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	51 size_t in_flight;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	52 size_t window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	53 size_t ssthresh;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	54 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	55 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	56
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	57
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	58 /*
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	59 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	60 *
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	61 * 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: 7794 diff changeset	62 * 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: 7794 diff changeset	63 * 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: 7794 diff changeset	64 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	65 */
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	66 typedef struct {
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	67 ngx_quic_secret_t client_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	68 ngx_quic_secret_t server_secret;
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	69
7878 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 7877 diff changeset	70 uint64_t pnum; /* to be sent */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 7877 diff changeset	71 uint64_t largest_ack; /* received from peer */
d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 7877 diff changeset	72 uint64_t largest_pn; /* received from peer */
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	73
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	74 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	75 ngx_queue_t sent;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	76 } ngx_quic_send_ctx_t;
7773 dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	77
dc7ac778aafe Introduced packet namespace in QUIC connection. Vladimir Homutov <vl@nginx.com> parents: 7772 diff changeset	78
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	79 struct ngx_quic_connection_s {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	80 ngx_str_t scid;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	81 ngx_str_t dcid;
7858 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	82 ngx_str_t odcid;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	83 ngx_str_t token;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	84
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	85 ngx_uint_t client_tp_done;
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	86 ngx_quic_tp_t tp;
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	87 ngx_quic_tp_t ctp;
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	88
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	89 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	90 ngx_quic_secrets_t keys[NGX_QUIC_ENCRYPTION_LAST];
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	91 ngx_quic_secrets_t next_key;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	92 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	93
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	94 ngx_ssl_t *ssl;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	95
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	96 ngx_event_t push;
7846 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	97 ngx_event_t retransmit;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	98 ngx_event_t close;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	99 ngx_queue_t free_frames;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	100 ngx_msec_t last_cc;
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	101
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	102 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	103 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	104 #endif
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	105
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	106 ngx_quic_streams_t streams;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	107 ngx_quic_congestion_t congestion;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	108
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	109 uint64_t cur_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	110 uint64_t max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	111
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	112 ngx_uint_t error;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	113 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	114 const char *error_reason;
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	115
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	116 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	117 unsigned closing:1;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	118 unsigned draining:1;
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	119 unsigned key_phase:1;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	120 unsigned in_retry:1;
7874 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 7871 diff changeset	121 unsigned initialized:1;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	122 };
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	123
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	124
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	125 typedef ngx_int_t (ngx_quic_frame_handler_pt)(ngx_connection_t c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	126 ngx_quic_frame_t frame, void data);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	127
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	128
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	129 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	130 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: 7669 diff changeset	131 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: 7669 diff changeset	132 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	133 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: 7669 diff changeset	134 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: 7669 diff changeset	135 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	136 #else
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	137 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: 7646 diff changeset	138 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: 7646 diff changeset	139 const uint8_t *write_secret, size_t secret_len);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	140 #endif
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	141
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	142 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: 7646 diff changeset	143 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: 7646 diff changeset	144 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: 7646 diff changeset	145 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: 7646 diff changeset	146 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: 7646 diff changeset	147
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	148
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	149 static ngx_int_t ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl,
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	150 ngx_quic_tp_t tp, ngx_quic_header_t pkt,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	151 ngx_connection_handler_pt handler);
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	152 static ngx_int_t ngx_quic_new_dcid(ngx_connection_t c, ngx_str_t odcid);
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	153 static ngx_int_t ngx_quic_retry(ngx_connection_t *c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	154 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: 7859 diff changeset	155 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	156 ngx_quic_header_t *pkt);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	157 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	158 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	159 static void ngx_quic_input_handler(ngx_event_t *rev);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	160
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	161 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: 7831 diff changeset	162 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: 7831 diff changeset	163 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	164 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	165 ngx_quic_connection_t *qc);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	166
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	167 static ngx_int_t ngx_quic_input(ngx_connection_t c, ngx_buf_t b);
7854 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	168 static ngx_inline u_char ngx_quic_skip_zero_padding(ngx_buf_t b);
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	169 static ngx_int_t ngx_quic_retry_input(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	170 ngx_quic_header_t *pkt);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	171 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	172 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	173 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	174 ngx_quic_header_t *pkt);
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	175 static ngx_int_t ngx_quic_early_input(ngx_connection_t *c,
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	176 ngx_quic_header_t *pkt);
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	177 static ngx_int_t ngx_quic_check_peer(ngx_quic_connection_t *qc,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	178 ngx_quic_header_t *pkt);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	179 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	180 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	181 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	182 ngx_quic_header_t *pkt);
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	183 static ngx_int_t ngx_quic_send_ack(ngx_connection_t c, ngx_quic_header_t pkt);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	184 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c,
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	185 enum ssl_encryption_level_t level, ngx_uint_t err, ngx_uint_t frame_type,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	186 const char *reason);
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	187 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	188
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	189 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	190 ngx_quic_header_t pkt, ngx_quic_ack_frame_t f);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	191 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	192 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	193 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	194 ngx_quic_frame_t *f);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	195
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	196 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: 7811 diff changeset	197 ngx_quic_frames_stream_t fs, ngx_quic_frame_t frame,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	198 ngx_quic_frame_handler_pt handler, void *data);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	199 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	200 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	201 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	202 ngx_quic_frames_stream_t stream, ngx_quic_frame_t f);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	203
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	204 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: 7811 diff changeset	205 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	206 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	207 ngx_quic_frame_t frame, void data);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	208 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	209 ngx_quic_header_t pkt, ngx_quic_frame_t frame);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	210 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	211 ngx_quic_frame_t frame, void data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	212
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	213 static ngx_int_t ngx_quic_handle_max_streams(ngx_connection_t *c);
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	214 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: 7841 diff changeset	215 ngx_quic_max_data_frame_t *f);
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	216 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: 7707 diff changeset	217 ngx_quic_header_t pkt, ngx_quic_streams_blocked_frame_t f);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	218 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: 7731 diff changeset	219 ngx_quic_header_t pkt, ngx_quic_stream_data_blocked_frame_t f);
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	220 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: 7841 diff changeset	221 ngx_quic_header_t pkt, ngx_quic_max_stream_data_frame_t f);
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	222 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: 7922 diff changeset	223 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: 7922 diff changeset	224 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: 7922 diff changeset	225 ngx_quic_header_t pkt, ngx_quic_stop_sending_frame_t f);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	226
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	227 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	228 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	229
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	230 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	231 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
7809 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	232 ngx_quic_send_ctx_t *ctx);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	233 static void ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	234 static ngx_int_t ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames);
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	235
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	236 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	237 ngx_quic_send_ctx_t *ctx);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	238 static void ngx_quic_retransmit_handler(ngx_event_t *ev);
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	239 static ngx_int_t ngx_quic_retransmit(ngx_connection_t *c,
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	240 ngx_quic_send_ctx_t ctx, ngx_msec_t waitp);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	241 static void ngx_quic_push_handler(ngx_event_t *ev);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	242
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	243 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	244 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel);
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	245 static ngx_quic_stream_t ngx_quic_find_stream(ngx_rbtree_t rbtree,
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	246 uint64_t id);
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	247 static ngx_quic_stream_t ngx_quic_create_stream(ngx_connection_t c,
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	248 uint64_t id, size_t rcvbuf_size);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	249 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: 7675 diff changeset	250 size_t size);
6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	251 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: 7675 diff changeset	252 size_t size);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	253 static void ngx_quic_stream_cleanup_handler(void *data);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	254 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: 7675 diff changeset	255 ngx_chain_t *in, off_t limit);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	256 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: 7751 diff changeset	257 static void ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame);
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	258
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	259 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	260 ngx_quic_frame_t *frame);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	261 static void ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	262
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	263
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	264 static SSL_QUIC_METHOD quic_method = {
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	265 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	266 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	267 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	268 #else
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	269 ngx_quic_set_encryption_secrets,
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	270 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	271 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	272 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	273 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	274 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	275
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	276
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	277 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	278
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	279 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	280 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: 7669 diff changeset	281 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	282 const uint8_t *rsecret, size_t secret_len)
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	283 {
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	284 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	285 ngx_quic_secrets_t *keys;
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	286
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	287 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	288
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	289 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	290 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	291 "quic ngx_quic_set_read_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	292 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	293 #endif
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	294
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	295 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	296
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	297 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	298 rsecret, secret_len,
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	299 &keys->client);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	300 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	301
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	302
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	303 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	304 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: 7669 diff changeset	305 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	306 const uint8_t *wsecret, size_t secret_len)
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	307 {
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	308 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	309 ngx_quic_secrets_t *keys;
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	310
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	311 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	312
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	313 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	314 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	315 "quic ngx_quic_set_write_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	316 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	317 #endif
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	318
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	319 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	320
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	321 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	322 wsecret, secret_len,
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	323 &keys->server);
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	324 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	325
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	326 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	327
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	328 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	329 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	330 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: 7686 diff changeset	331 const uint8_t *wsecret, size_t secret_len)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	332 {
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	333 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	334 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	335 ngx_quic_secrets_t *keys;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	336
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	337 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: 7646 diff changeset	338
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	339 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	340 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	341 "quic ngx_quic_set_encryption_secrets() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	342 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	343 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	344
7793 0ae50d90658a Fixed build with OpenSSL using old callbacks API. Sergey Kandaurov <pluknet@nginx.com> parents: 7792 diff changeset	345 keys = &c->quic->keys[level];
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	346
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	347 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	348 rsecret, secret_len,
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	349 &keys->client);
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	350 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	351 return rc;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	352 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	353
7769 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	354 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	355 return 1;
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	356 }
2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	357
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	358 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	359 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	360 #endif
7769 2ac03e80d013 TLS Early Data key derivation support. Sergey Kandaurov <pluknet@nginx.com> parents: 7768 diff changeset	361
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	362 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	363 wsecret, secret_len,
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	364 &keys->server);
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	365 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	366
7670 9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	367 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs. Sergey Kandaurov <pluknet@nginx.com> parents: 7669 diff changeset	368
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	369
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	370 static int
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	371 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: 7649 diff changeset	372 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: 7649 diff changeset	373 {
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	374 u_char p, end;
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	375 size_t client_params_len, fsize, limit;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	376 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	377 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	378 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	379 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	380 ngx_quic_frames_stream_t *fs;
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	381
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	382 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	383 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	384
7652 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 7651 diff changeset	385 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	386 "quic ngx_quic_add_handshake_data");
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	387
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	388 if (!qc->client_tp_done) {
7933 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	389 /*
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	390 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	391 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	392 * here;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	393 */
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	394
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	395 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	396 {
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	397 unsigned int len;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	398 const unsigned char *data;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	399
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	400 SSL_get0_alpn_selected(c->ssl->connection, &data, &len);
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	401
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	402 if (len != NGX_QUIC_ALPN_LEN
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	403 \|\| ngx_strncmp(data, NGX_QUIC_ALPN_STR, NGX_QUIC_ALPN_LEN) != 0)
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	404 {
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	405 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	406 qc->error_reason = "unsupported protocol in ALPN extension";
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	407
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	408 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	409 "quic unsupported protocol in ALPN extension");
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	410 return 0;
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	411 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	412 }
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	413 #endif
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	414
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	415 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	416 &client_params_len);
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	417
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	418 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	419 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	420 " params_len %ui", client_params_len);
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	421
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	422 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	423 /* quic-tls 8.2 */
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	424 qc->error = 0x100 + SSL_AD_MISSING_EXTENSION;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	425 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	426
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	427 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	428 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	429 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	430 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	431
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	432 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	433 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	434
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	435 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: 7929 diff changeset	436 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	437 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	438 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	439 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	440
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	441 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	442 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	443
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	444 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	445 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	446 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	447 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	448 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	449
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	450 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: 7929 diff changeset	451 \|\| 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: 7929 diff changeset	452 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	453 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	454 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	455
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	456 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	457 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	458 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	459 }
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	460
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	461 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: 7930 diff changeset	462 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	463 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	464 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	465 }
7927 391d06a51bc0 Limited max udp payload size for outgoing packets. Vladimir Homutov <vl@nginx.com> parents: 7926 diff changeset	466
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	467 #if (NGX_QUIC_DRAFT_VERSION >= 28)
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	468 if (qc->scid.len != qc->ctp.initial_scid.len
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	469 \|\| ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	470 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	471 {
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	472 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	473 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	474 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	475 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	476 }
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	477 #endif
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	478
7930 5bc9229ec4cf QUIC: raise error on missing transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7929 diff changeset	479 qc->client_tp_done = 1;
7726 f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	480 }
f388c0ad3477 Added processing of client transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7725 diff changeset	481
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	482 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	483 * 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: 7821 diff changeset	484 * 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: 7821 diff changeset	485 */
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	486 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	487 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	488
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	489 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	490
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	491 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	492 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	493
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	494 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	495
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	496 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	497
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	498 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	499 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	500 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	501 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	502
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	503 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	504
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	505 frame->level = level;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	506 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	507 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	508 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	509 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	510
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	511 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	512 p += fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	513
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	514 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d",
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	515 fsize, level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	516
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	517 ngx_quic_queue_frame(qc, frame);
7652 0a2683df5f11 Implemented improved version of quic_output(). Vladimir Homutov <vl@nginx.com> parents: 7651 diff changeset	518 }
7650 ec1f84996990 Split frame and packet generation into separate steps. Vladimir Homutov <vl@nginx.com> parents: 7649 diff changeset	519
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	520 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	521 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	522
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	523
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	524 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	525 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: 7646 diff changeset	526 {
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	527 #if (NGX_DEBUG)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	528 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	529
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	530 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: 7646 diff changeset	531
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	532 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	533 "quic ngx_quic_flush_flight()");
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	534 #endif
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	535 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	536 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	537
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	538
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	539 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	540 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: 7646 diff changeset	541 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	542 {
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	543 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	544
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	545 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: 7646 diff changeset	546
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	547 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	548 "quic ngx_quic_send_alert(), lvl=%d, alert=%d",
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	549 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	550
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	551 if (c->quic == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	552 return 1;
7701 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	553 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	554
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	555 if (ngx_quic_send_cc(c, level, 0x100 + alert, 0, "TLS alert") != NGX_OK) {
7701 552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	556 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	557 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer. Sergey Kandaurov <pluknet@nginx.com> parents: 7700 diff changeset	558
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	559 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	560 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	561
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	562
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	563 void
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	564 ngx_quic_run(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	565 ngx_connection_handler_pt handler)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	566 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	567 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	568 ngx_quic_header_t pkt;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	569
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	570 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	571
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	572 c->log->action = "QUIC initialization";
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	573
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	574 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	575
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	576 b = c->buffer;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	577
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	578 pkt.log = c->log;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	579 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	580 pkt.data = b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	581 pkt.len = b->last - b->start;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	582
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	583 if (ngx_quic_new_connection(c, ssl, tp, &pkt, handler) != NGX_OK) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	584 ngx_quic_close_connection(c, NGX_ERROR);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	585 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	586 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	587
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	588 ngx_add_timer(c->read, c->quic->in_retry ? NGX_QUIC_RETRY_TIMEOUT
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	589 : c->quic->tp.max_idle_timeout);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	590
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	591 c->read->handler = ngx_quic_input_handler;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	592
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	593 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	594 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	595
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	596
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	597 static ngx_int_t
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	598 ngx_quic_new_connection(ngx_connection_t c, ngx_ssl_t ssl, ngx_quic_tp_t *tp,
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	599 ngx_quic_header_t *pkt, ngx_connection_handler_pt handler)
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	600 {
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	601 ngx_int_t rc;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	602 ngx_uint_t i;
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	603 ngx_quic_tp_t *ctp;
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	604 ngx_quic_secrets_t *keys;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	605 ngx_quic_send_ctx_t *ctx;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	606 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	607 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	608
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	609 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	610 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	611 "quic UDP datagram is too small for initial packet");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	612 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	613 }
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	614
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	615 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	616 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	617 return rc;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	618 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	619
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	620 if (!ngx_quic_pkt_in(pkt->flags)) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	621 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	622 "quic invalid initial packet: 0x%xi", pkt->flags);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	623 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	624 }
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	625
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	626 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	627 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	628 }
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	629
7864 eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	630 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	631 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	632 ngx_log_error(NGX_LOG_INFO, c->log, 0,
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	633 "quic too short dcid in initial packet: length %i",
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	634 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	635 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	636 }
eebdda507ec3 Added tests for connection id lengths in initial packet. Vladimir Homutov <vl@nginx.com> parents: 7863 diff changeset	637
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	638 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	639
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	640 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	641 if (qc == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	642 return NGX_ERROR;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	643 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	644
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	645 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	646 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	647
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	648 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	649 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	650 ngx_queue_init(&qc->send_ctx[i].sent);
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	651 qc->send_ctx[i].largest_pn = (uint64_t) -1;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	652 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	653
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	654 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	655 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	656 }
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	657
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	658 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	659
7846 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	660 qc->retransmit.log = c->log;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	661 qc->retransmit.data = c;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	662 qc->retransmit.handler = ngx_quic_retransmit_handler;
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	663 qc->retransmit.cancelable = 1;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	664
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	665 qc->push.log = c->log;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	666 qc->push.data = c;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	667 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	668 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	669
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	670 c->quic = qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	671 qc->ssl = ssl;
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	672 qc->tp = *tp;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	673 qc->streams.handler = handler;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	674
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	675 ctp = &qc->ctp;
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	676 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	677 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: 7729 diff changeset	678 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: 7729 diff changeset	679
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	680 qc->streams.recv_max_data = qc->tp.initial_max_data;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	681
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	682 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: 7908 diff changeset	683 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: 7908 diff changeset	684 14720));
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	685 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	686 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	687
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	688 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	689 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	690 }
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	691
7916 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 7912 diff changeset	692 #if (NGX_QUIC_DRAFT_VERSION >= 28)
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	693 qc->tp.original_dcid = c->quic->odcid;
7916 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 7912 diff changeset	694 #endif
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	695 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	696
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	697 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	698 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	699 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	700 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	701 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	702 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	703
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	704 keys = &c->quic->keys[ssl_encryption_initial];
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	705
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	706 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7858 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	707 &qc->odcid)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	708 != NGX_OK)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	709 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	710 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	711 }
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	712
7874 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 7871 diff changeset	713 qc->initialized = 1;
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	714
7938 3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 7937 diff changeset	715 if (ngx_terminate \|\| ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 7937 diff changeset	716 qc->error = NGX_QUIC_ERR_CONNECTION_REFUSED;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 7937 diff changeset	717 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 7937 diff changeset	718 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown. Sergey Kandaurov <pluknet@nginx.com> parents: 7937 diff changeset	719
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	720 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	721 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	722
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	723 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	724 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	725 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	726 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	727
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	728 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	729 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	730 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	731 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	732
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	733 /* NGX_OK */
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	734
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	735 } else if (tp->retry) {
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	736 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	737 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	738
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	739 pkt->secret = &keys->client;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	740 pkt->level = ssl_encryption_initial;
7754 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 7752 diff changeset	741 pkt->plaintext = buf;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	742
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	743 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	744
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	745 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	746 qc->error = pkt->error;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	747 qc->error_reason = "failed to decrypt packet";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	748
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	749 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	750 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	751
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	752 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	753 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	754 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	755
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	756 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	757 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	758 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	759
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	760 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	761 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	762
7854 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	763 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	764
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	765 return ngx_quic_input(c, pkt->raw);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	766 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	767
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	768
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	769 static ngx_int_t
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	770 ngx_quic_new_dcid(ngx_connection_t c, ngx_str_t odcid)
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	771 {
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	772 uint8_t len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	773 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	774
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	775 qc = c->quic;
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	776
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	777 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	778 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	779 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	780
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	781 len = len % 10 + 10;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	782
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	783 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	784 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	785 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	786 return NGX_ERROR;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	787 }
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	788
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	789 if (RAND_bytes(qc->dcid.data, len) != 1) {
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	790 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	791 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	792
7859 b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	793 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	794 ngx_quic_hexdump(c->log, "quic server CID", qc->dcid.data, qc->dcid.len);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	795 #endif
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	796
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	797 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	798 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored. Sergey Kandaurov <pluknet@nginx.com> parents: 7858 diff changeset	799 if (qc->odcid.data == NULL) {
7845 89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	800 return NGX_ERROR;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	801 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	802
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	803 return NGX_OK;
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	804 }
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	805
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	806
89ccb04736b9 Server CID change. Sergey Kandaurov <pluknet@nginx.com> parents: 7844 diff changeset	807 static ngx_int_t
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	808 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	809 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	810 ssize_t len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	811 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	812 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	813 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	814
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	815 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	816 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	817 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	818
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	819 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	820 pkt.flags = NGX_QUIC_PKT_FIXED_BIT \| NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_RETRY;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	821 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	822 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	823 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	824 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	825 pkt.token = token;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	826
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	827 res.data = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	828
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	829 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	830 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	831 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	832
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	833 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	834 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: 7859 diff changeset	835 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	836
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	837 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	838 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	839 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	840 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	841
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	842 c->quic->token = token;
7916 c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 7912 diff changeset	843 #if (NGX_QUIC_DRAFT_VERSION < 28)
c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 7912 diff changeset	844 c->quic->tp.original_dcid = c->quic->odcid;
c206233d9c29 Fixed transport parameters on a new connection with a valid token. Sergey Kandaurov <pluknet@nginx.com> parents: 7912 diff changeset	845 #endif
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	846 c->quic->tp.retry_scid = c->quic->dcid;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	847 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	848
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	849 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	850 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	851
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	852
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	853 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	854 ngx_quic_new_token(ngx_connection_t c, ngx_str_t token)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	855 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	856 int len, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	857 u_char data, p, key, iv;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	858 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	859 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	860 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	861 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	862 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	863 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	864 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	865 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	866
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	867 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	868
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	869 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	870 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	871 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	872
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	873 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	874 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	875
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	876 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	877 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	878
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	879 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	880 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	881
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	882 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: 7859 diff changeset	883 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	884
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	885 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	886 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	887
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	888 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	889 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	890
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	891 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	892 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	893
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	894 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	895 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	896
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	897 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	898
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	899 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	900 len += sizeof(now);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	901 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	902
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	903 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	904 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	905
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	906 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	907 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	908 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	909 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	910 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	911
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	912 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	913 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	914 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	915 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	916
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	917 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	918 iv = token->data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	919
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	920 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	921 \|\| !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	922 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	923 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	924 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	925 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	926
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	927 token->len = iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	928
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	929 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	930 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	931 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	932 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	933
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	934 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	935
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	936 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	937 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	938 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	939 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	940
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	941 token->len += len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	942
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	943 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	944
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	945 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	946 ngx_quic_hexdump(c->log, "quic new token", token->data, token->len);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	947 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	948
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	949 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	950 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	951
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	952
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	953 static ngx_int_t
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	954 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: 7859 diff changeset	955 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	956 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	957 u_char key, iv, p, data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	958 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	959 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	960 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	961 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	962 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	963 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	964 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	965 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	966 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	967
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	968 if (pkt->token.len == 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	969 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	970 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	971
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	972 qc = c->quic;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	973
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	974 /* Retry token */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	975
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	976 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	977 if (pkt->token.len != qc->token.len) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	978 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	979 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	980
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	981 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	982 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	983 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	984
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	985 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	986 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	987
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	988 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	989
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	990 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	991 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	992 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	993 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	994
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	995 /* sanity checks */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	996
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	997 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	998 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	999 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1000
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1001 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1002 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1003 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1004
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1005 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1006 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1007 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1008 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1009
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1010 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1011 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1012 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1013 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1014
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1015 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1016 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1017
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1018 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1019 EVP_CIPHER_CTX_free(ctx);
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1020 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1021 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1022
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1023 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1024 EVP_CIPHER_CTX_free(ctx);
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1025 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1026 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1027
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1028 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1029
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1030 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1031
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1032 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1033 case AF_INET6:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1034 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1035
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1036 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1037 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1038
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1039 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1040 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1041
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1042 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1043 case AF_UNIX:
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1044
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1045 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: 7859 diff changeset	1046 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1047
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1048 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1049 #endif
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1050
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1051 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1052 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1053
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1054 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1055 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1056
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1057 break;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1058 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1059
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1060 if (ngx_memcmp(tdec, data, len) != 0) {
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1061 goto bad_token;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1062 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1063
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1064 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1065
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1066 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1067 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1068 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1069
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1070 return NGX_OK;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1071
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1072 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1073
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1074 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1075 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1076
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1077 return NGX_ERROR;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1078 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1079
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1080
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1081 static ngx_int_t
7687 69345a26ba69 Split transport and crypto parts into separate files. Vladimir Homutov <vl@nginx.com> parents: 7686 diff changeset	1082 ngx_quic_init_connection(ngx_connection_t *c)
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1083 {
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1084 u_char *p;
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1085 size_t clen;
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1086 ssize_t len;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1087 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1088 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1089
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1090 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1091
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1092 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1093 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1094 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1095
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1096 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1097
7698 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1098 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1099 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1100 "quic SSL_set_quic_method() failed");
7698 253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1101 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1102 }
253cf267f95a Moved setting QUIC methods to runtime. Roman Arutyunyan <arut@nginx.com> parents: 7697 diff changeset	1103
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1104 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1105 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1106 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1107 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1108 #endif
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1109
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1110 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1111 /* always succeeds */
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1112
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1113 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1114 if (p == NULL) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1115 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1116 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1117
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1118 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1119 if (len < 0) {
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1120 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1121 }
e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1122
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1123 #ifdef NGX_QUIC_DEBUG_PACKETS
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	1124 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1125 #endif
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1126
7713 e9891e8ee975 Configurable transport parameters. Vladimir Homutov <vl@nginx.com> parents: 7712 diff changeset	1127 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1128 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1129 "quic SSL_set_quic_transport_params() failed");
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1130 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1131 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1132
7917 90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1133 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1134 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1135 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1136 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1137 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1138 }
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1139 #endif
90b02ff6b003 Compatibility with BoringSSL master branch. Sergey Kandaurov <pluknet@nginx.com> parents: 7916 diff changeset	1140
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	1141 qc->max_streams = qc->tp.initial_max_streams_bidi;
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1142
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1143 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1144 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1145
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1146
7931 9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1147 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1148 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1149 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1150 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1151
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1152 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1153 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1154 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1155 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1156 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1157
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1158 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1159 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1160
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size. Vladimir Homutov <vl@nginx.com> parents: 7930 diff changeset	1161
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1162 static void
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1163 ngx_quic_input_handler(ngx_event_t *rev)
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1164 {
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1165 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1166 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1167 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1168 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1169 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1170
7871 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 7870 diff changeset	1171 ngx_memzero(&b, sizeof(ngx_buf_t));
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1172 b.start = buf;
7731 d45325e90221 Limit output QUIC packets with client max_packet_size. Roman Arutyunyan <arut@nginx.com> parents: 7729 diff changeset	1173 b.end = buf + sizeof(buf);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1174 b.pos = b.last = b.start;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1175 b.memory = 1;
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1176
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1177 c = rev->data;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	1178 qc = c->quic;
7677 6bc18966b8c1 Stream "connection" read/write methods. Vladimir Homutov <vl@nginx.com> parents: 7675 diff changeset	1179
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1180 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
7678 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1181
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1182 if (rev->timedout) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1183 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1184 "quic client timed out");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1185 ngx_quic_close_connection(c, NGX_DONE);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1186 return;
7678 e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1187 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method. Roman Arutyunyan <arut@nginx.com> parents: 7677 diff changeset	1188
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1189 if (c->close) {
7937 b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 7934 diff changeset	1190 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close. Sergey Kandaurov <pluknet@nginx.com> parents: 7934 diff changeset	1191 ngx_quic_close_connection(c, NGX_OK);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1192 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1193 }
7686 7ada2feeac18 Added processing of CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7684 diff changeset	1194
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1195 n = c->recv(c, b.start, b.end - b.start);
7681 38c0898b6df7 HTTP/3. Roman Arutyunyan <arut@nginx.com> parents: 7680 diff changeset	1196
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1197 if (n == NGX_AGAIN) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1198 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1199 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1200 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1201 return;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1202 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1203
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1204 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1205 c->read->eof = 1;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1206 ngx_quic_close_connection(c, NGX_ERROR);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1207 return;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1208 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1209
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1210 b.last += n;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1211
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1212 if (ngx_quic_input(c, &b) != NGX_OK) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1213 ngx_quic_close_connection(c, NGX_ERROR);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1214 return;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1215 }
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1216
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1217 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	1218 ngx_add_timer(rev, qc->tp.max_idle_timeout);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1219 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1220
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1221
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1222 static void
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1223 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1224 {
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1225 ngx_pool_t *pool;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	1226
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1227 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1228 "quic ngx_quic_close_connection, rc: %i", rc);
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1229
7874 1245e274b9ba Avoided excessive definitions for connection state. Vladimir Homutov <vl@nginx.com> parents: 7871 diff changeset	1230 if (!c->quic \|\| !c->quic->initialized) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1231 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1232 "quic close connection early error");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1233
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1234 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1235 return;
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	1236 }
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1237
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1238 if (c->ssl) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1239 (void) ngx_ssl_shutdown(c);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1240 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1241
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1242 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1243 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1244 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1245
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1246 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1247 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1248 #endif
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1249
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1250 c->destroyed = 1;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1251
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1252 pool = c->pool;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1253
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1254 ngx_close_connection(c);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1255
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1256 ngx_destroy_pool(pool);
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1257 }
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1258
4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1259
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1260 static ngx_int_t
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1261 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1262 {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	1263 ngx_uint_t i, err;
7875 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1264 ngx_quic_send_ctx_t *ctx;
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1265 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1266 enum ssl_encryption_level_t level;
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1267
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1268 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1269
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1270 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1271
7875 8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1272 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1273 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1274 ctx = ngx_quic_get_send_ctx(qc, i);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1275 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1276 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection. Vladimir Homutov <vl@nginx.com> parents: 7874 diff changeset	1277
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1278 if (rc == NGX_DONE) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1279
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1280 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1281 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1282 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1283 * 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: 7831 diff changeset	1284 * 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: 7831 diff changeset	1285 */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1286
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1287 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1288 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1289 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1290
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1291 } else {
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1292
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1293 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1294 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1295 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1296 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1297 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1298 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1299
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1300 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1301 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1302 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1303 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1304
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1305 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1306 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1307 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1308 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1309
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1310 ngx_add_timer(&qc->close, 3 * NGX_QUIC_HARDCODED_PTO);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1311
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1312 err = NGX_QUIC_ERR_NO_ERROR;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1313
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1314 } else {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1315 err = qc->error ? qc->error : NGX_QUIC_ERR_INTERNAL_ERROR;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1316
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1317 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1318 "quic immediate close due to error: %ui %s",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1319 qc->error,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1320 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1321 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1322
7933 a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	1323 level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
a2c34e77cfc1 QUIC: added ALPN checks. Vladimir Homutov <vl@nginx.com> parents: 7932 diff changeset	1324 : ssl_encryption_initial;
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1325
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1326 (void) ngx_quic_send_cc(c, level, err, qc->error_ftype,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1327 qc->error_reason);
7877 d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1328
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1329 if (level == ssl_encryption_handshake) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1330 /* for clients that might not have handshake keys */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1331 (void) ngx_quic_send_cc(c, ssl_encryption_initial, err,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1332 qc->error_ftype, qc->error_reason);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7876 diff changeset	1333 }
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1334 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1335
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1336 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1337 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1338
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1339 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1340 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1341 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1342 }
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1343
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1344 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1345 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1346 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1347
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1348 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1349 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1350 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1351
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1352 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1353 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1354 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1355
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1356 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1357 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1358 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1359 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1360
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1361 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1362 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1363 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1364
7846 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	1365 if (qc->retransmit.timer_set) {
bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	1366 ngx_del_timer(&qc->retransmit);
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1367 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1368
7929 ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1369 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1370 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1371 }
ea4899591798 QUIC: Fixed connection cleanup. Vladimir Homutov <vl@nginx.com> parents: 7928 diff changeset	1372
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1373 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1374 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1375
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1376 /* may be tested from SSL callback during SSL shutdown */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1377 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1378
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1379 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1380 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1381
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1382
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1383 static void
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1384 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1385 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1386 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1387
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	1388 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1389
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1390 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1391 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1392 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1393
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1394
7831 d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1395 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1396 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: 7827 diff changeset	1397 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1398 ngx_event_t *rev;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1399 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1400 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1401 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1402
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1403 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1404 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1405 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1406
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1407 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1408
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1409 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1410 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1411 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1412
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1413 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1414 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1415 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1416
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1417 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1418 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1419 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1420 {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1421 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1422
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1423 rev = qs->c->read;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1424 rev->ready = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1425 rev->pending_eof = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1426
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1427 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1428
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1429 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1430 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1431 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1432
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1433 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1434 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1435 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1436 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1437
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1438 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1439 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1440
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1441 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1442 }
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1443
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1444
d11bc25fc4c3 Refactored ngx_quic_close_connection(). Vladimir Homutov <vl@nginx.com> parents: 7827 diff changeset	1445 static ngx_int_t
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1446 ngx_quic_input(ngx_connection_t c, ngx_buf_t b)
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1447 {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1448 u_char *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1449 ngx_int_t rc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1450 ngx_quic_header_t pkt;
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1451
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1452 p = b->pos;
7674 4ae9ac69ab93 HTTP/QUIC interface reworked. Vladimir Homutov <vl@nginx.com> parents: 7673 diff changeset	1453
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1454 while (p < b->last) {
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1455 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1456
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1457 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1458 pkt.raw = b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1459 pkt.data = p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1460 pkt.len = b->last - p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1461 pkt.log = c->log;
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	1462 pkt.flags = p[0];
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1463
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1464 if (c->quic->in_retry) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1465 return ngx_quic_retry_input(c, &pkt);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1466 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1467
7848 9d9531431c8c Removed outdated/incorrect comments and fixed style. Vladimir Homutov <vl@nginx.com> parents: 7847 diff changeset	1468 /* TODO: check current state */
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	1469 if (ngx_quic_long_pkt(pkt.flags)) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1470
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	1471 if (ngx_quic_pkt_in(pkt.flags)) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1472 rc = ngx_quic_initial_input(c, &pkt);
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1473
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	1474 } else if (ngx_quic_pkt_hs(pkt.flags)) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1475 rc = ngx_quic_handshake_input(c, &pkt);
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1476
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1477 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1478 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1479
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1480 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1481 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1482 "quic unknown long packet type");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1483 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1484 }
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1485
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1486 } else {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1487 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1488 }
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1489
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1490 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1491 return NGX_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1492 }
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1493
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1494 /* NGX_OK \|\| NGX_DECLINED */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1495
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1496 /*
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1497 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1498 * to decrypt packet.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1499 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1500 * retransmission:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1501 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1502 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1503 *
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1504 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1505 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1506 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1507 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1508 */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1509
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1510 /* b->pos is at header end, adjust by actual packet length */
7854 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1511 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1512 p = ngx_quic_skip_zero_padding(b);
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1513 }
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1514
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1515 return NGX_OK;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1516 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1517
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1518
7854 2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1519 /* firefox workaround: skip zero padding at the end of quic packet */
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1520 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1521 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1522 {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1523 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1524 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1525 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1526
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1527 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1528 }
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1529
2a94aaa70b33 Cleaned up firefox workaround. Vladimir Homutov <vl@nginx.com> parents: 7848 diff changeset	1530
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1531 static ngx_int_t
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1532 ngx_quic_retry_input(ngx_connection_t c, ngx_quic_header_t pkt)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1533 {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1534 ngx_int_t rc;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1535 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1536 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1537 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1538 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1539
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1540 c->log->action = "retrying quic connection";
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1541
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1542 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1543 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1544 "quic UDP datagram is too small for initial packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1545 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1546 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1547
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1548 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1549 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1550 return rc;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1551 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1552
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1553 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1554 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1555 "quic discard inflight 0-RTT packet");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1556 return NGX_OK;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1557 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1558
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1559 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1560 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1561 "quic invalid initial packet: 0x%xi", pkt->flags);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1562 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1563 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1564
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1565 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1566 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1567 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1568
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1569 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1570 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1571 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1572
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1573 qc = c->quic;
7912 6633f17044eb QUIC draft-28 transport parameters support. Sergey Kandaurov <pluknet@nginx.com> parents: 7910 diff changeset	1574 qc->tp.initial_scid = c->quic->dcid;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1575
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1576 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1577
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1578 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1579 &qc->odcid)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1580 != NGX_OK)
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1581 {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1582 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1583 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1584
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1585 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1586
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1587 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1588 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1589 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1590 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1591
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1592 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1593 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1594 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1595
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1596 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1597
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1598 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1599 qc->error = pkt->error;
7860 7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1600 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1601 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1602
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1603 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1604 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1605 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1606
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1607 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1608 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1609 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1610
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1611 /* pos is at header end, adjust by actual packet length */
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1612 pkt->raw->pos += pkt->len;
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1613
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1614 (void) ngx_quic_skip_zero_padding(pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1615
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1616 return ngx_quic_input(c, pkt->raw);
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1617 }
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1618
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1619
7ea34e13937f Address validation using Retry packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7859 diff changeset	1620 static ngx_int_t
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1621 ngx_quic_initial_input(ngx_connection_t c, ngx_quic_header_t pkt)
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1622 {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1623 ngx_int_t rc;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1624 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1625 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1626 ngx_quic_send_ctx_t *ctx;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1627 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1628
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1629 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1630
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1631 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1632
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1633 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1634 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1635 return rc;
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1636 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1637
7690 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 7689 diff changeset	1638 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1639 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1640 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1641
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1642 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1643
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1644 pkt->secret = &keys->client;
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1645 pkt->level = ssl_encryption_initial;
7754 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 7752 diff changeset	1646 pkt->plaintext = buf;
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1647
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1648 ctx = ngx_quic_get_send_ctx(c->quic, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1649
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1650 if (ngx_quic_decrypt(pkt, ssl_conn, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1651 c->quic->error = pkt->error;
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1652 return NGX_ERROR;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1653 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1654
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1655 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1656 }
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1657
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1658
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1659 static ngx_int_t
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1660 ngx_quic_handshake_input(ngx_connection_t c, ngx_quic_header_t pkt)
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1661 {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1662 ngx_int_t rc;
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1663 ngx_quic_secrets_t *keys;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1664 ngx_quic_send_ctx_t *ctx;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1665 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1666 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1667
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1668 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1669
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1670 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1671
7787 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1672 keys = &c->quic->keys[ssl_encryption_handshake];
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1673
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1674 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1675 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1676 "quic no read keys yet, packet ignored");
7787 e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1677 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1678 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet. Sergey Kandaurov <pluknet@nginx.com> parents: 7786 diff changeset	1679
7659 4355efde26d8 Added functions to decrypt long packets. Vladimir Homutov <vl@nginx.com> parents: 7658 diff changeset	1680 /* extract cleartext data into pkt */
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1681 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1682 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1683 return rc;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1684 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1685
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1686 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1687 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1688 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1689
7690 ae35ccba7aa6 Extracted transport part of the code into separate file. Vladimir Homutov <vl@nginx.com> parents: 7689 diff changeset	1690 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1691 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1692 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1693
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1694 pkt->secret = &keys->client;
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1695 pkt->level = ssl_encryption_handshake;
7754 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 7752 diff changeset	1696 pkt->plaintext = buf;
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1697
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1698 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1699
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1700 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1701 qc->error = pkt->error;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1702 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1703 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1704
7870 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1705 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1706 * 4.10.1. The successful use of Handshake packets indicates
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1707 * that no more Initial packets need to be exchanged
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1708 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1709 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1710 ngx_quic_free_frames(c, &ctx->sent);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	1711
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1712 return ngx_quic_payload_handler(c, pkt);
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1713 }
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1714
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1715
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1716 static ngx_int_t
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1717 ngx_quic_early_input(ngx_connection_t c, ngx_quic_header_t pkt)
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1718 {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1719 ngx_int_t rc;
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1720 ngx_quic_secrets_t *keys;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1721 ngx_quic_send_ctx_t *ctx;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1722 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1723 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1724
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1725 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1726
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1727 qc = c->quic;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1728
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1729 /* extract cleartext data into pkt */
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1730 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1731 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1732 return rc;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1733 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1734
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1735 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1736 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1737 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1738
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1739 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1740 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1741 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1742
7934 cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1743 keys = &c->quic->keys[ssl_encryption_early_data];
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1744
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1745 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1746 ngx_log_error(NGX_LOG_INFO, c->log, 0,
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1747 "quic no 0-RTT keys yet, packet ignored");
cef417a24755 QUIC: cleaned up quic encryption state tracking. Vladimir Homutov <vl@nginx.com> parents: 7933 diff changeset	1748 return NGX_DECLINED;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1749 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1750
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1751
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1752 pkt->secret = &keys->client;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1753 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1754 pkt->plaintext = buf;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1755
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1756 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1757
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1758 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1759 qc->error = pkt->error;
7770 90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1760 return NGX_ERROR;
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1761 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1762
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1763 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1764 }
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1765
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1766
90f94413177e TLS Early Data support. Sergey Kandaurov <pluknet@nginx.com> parents: 7769 diff changeset	1767 static ngx_int_t
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1768 ngx_quic_check_peer(ngx_quic_connection_t qc, ngx_quic_header_t pkt)
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1769 {
7858 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1770 ngx_str_t *dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1771
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1772 dcid = ngx_quic_pkt_zrtt(pkt->flags) ? &qc->odcid : &qc->dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1773
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1774 if (pkt->dcid.len != dcid->len) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1775 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcidl");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1776 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1777 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1778
7858 6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets. Sergey Kandaurov <pluknet@nginx.com> parents: 7857 diff changeset	1779 if (ngx_memcmp(pkt->dcid.data, dcid->data, dcid->len) != 0) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1780 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcid");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1781 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1782 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1783
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1784 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1785 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scidl");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1786 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1787 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1788
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1789 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) {
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1790 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1791 return NGX_ERROR;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1792 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1793
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1794 return NGX_OK;
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1795 }
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1796
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1797
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1798 static ngx_int_t
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1799 ngx_quic_app_input(ngx_connection_t c, ngx_quic_header_t pkt)
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1800 {
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1801 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1802 ngx_quic_secrets_t keys, next, tmp;
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1803 ngx_quic_send_ctx_t *ctx;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1804 ngx_quic_connection_t *qc;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	1805 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1806
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1807 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	1808
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1809 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1810
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1811 keys = &c->quic->keys[ssl_encryption_application];
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1812 next = &c->quic->next_key;
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1813
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1814 if (keys->client.key.len == 0) {
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1815 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	1816 "quic no read keys yet, packet ignored");
7689 61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1817 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes. Vladimir Homutov <vl@nginx.com> parents: 7688 diff changeset	1818 }
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1819
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1820 rc = ngx_quic_parse_short_header(pkt, &qc->dcid);
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1821 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1822 return rc;
7651 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 7650 diff changeset	1823 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 7650 diff changeset	1824
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	1825 pkt->secret = &keys->client;
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1826 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1827 pkt->key_phase = c->quic->key_phase;
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1828 pkt->level = ssl_encryption_application;
7754 ebd5c71b9f02 Got rid of memory allocation in decryption. Vladimir Homutov <vl@nginx.com> parents: 7752 diff changeset	1829 pkt->plaintext = buf;
7672 8d6ac639feac Added support of multiple QUIC packets in single datagram. Vladimir Homutov <vl@nginx.com> parents: 7671 diff changeset	1830
7816 aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1831 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1832
aba84d9ab256 Parsing of truncated packet numbers. Sergey Kandaurov <pluknet@nginx.com> parents: 7815 diff changeset	1833 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
7863 81f85c479d7e Discard packets without fixed bit or reserved bits set. Vladimir Homutov <vl@nginx.com> parents: 7862 diff changeset	1834 qc->error = pkt->error;
7665 1297dc83a6b9 Generic payload handler for quic packets. Vladimir Homutov <vl@nginx.com> parents: 7664 diff changeset	1835 return NGX_ERROR;
7651 6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 7650 diff changeset	1836 }
6a76d9657772 QUIC handshake final bits. Sergey Kandaurov <pluknet@nginx.com> parents: 7650 diff changeset	1837
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1838 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1839
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1840 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1841 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1842
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1843 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1844 keys = next;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1845 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1846 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1847
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1848 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1849
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1850 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1851 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1852 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1853
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1854 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1855
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1856 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1857 if (ngx_quic_key_update(c, keys, next) != NGX_OK) {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1858 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1859 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1860 }
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1861
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	1862 return rc;
7648 b28ea685a56e Moved all QUIC code into ngx_event_quic.c Vladimir Homutov <vl@nginx.com> parents: 7646 diff changeset	1863 }
7637 4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1864
4daf03d2bd0a OpenSSL compatibility. Sergey Kandaurov <pluknet@nginx.com> parents: diff changeset	1865
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1866 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1867 ngx_quic_payload_handler(ngx_connection_t c, ngx_quic_header_t pkt)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1868 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1869 u_char end, p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1870 ssize_t len;
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1871 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1872 ngx_quic_frame_t frame;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1873 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1874
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1875 qc = c->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1876
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1877 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1878 /*
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1879 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1880 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1881 *
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1882 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1883 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1884 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1885 */
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1886 return ngx_quic_send_cc(c, pkt->level, NGX_QUIC_ERR_NO_ERROR, 0,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	1887 "connection is closing, packet discarded");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1888 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	1889
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1890 p = pkt->payload.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1891 end = p + pkt->payload.len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1892
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1893 ack_sent = 0;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1894 do_close = 0;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1895
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1896 while (p < end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1897
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	1898 c->log->action = "parsing frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	1899
7706 1f002206a59b Added boundaries checks into frame parser. Vladimir Homutov <vl@nginx.com> parents: 7705 diff changeset	1900 len = ngx_quic_parse_frame(pkt, p, end, &frame);
7717 c217a907ce42 Added checks for permitted frame types. Vladimir Homutov <vl@nginx.com> parents: 7713 diff changeset	1901
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1902 if (len < 0) {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	1903 qc->error = pkt->error;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1904 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1905 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1906
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	1907 c->log->action = "handling frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	1908
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1909 p += len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1910
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1911 switch (frame.type) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1912
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1913 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1914 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1915 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1916 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1917
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1918 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1919
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1920 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1921 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1922 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1923
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1924 case NGX_QUIC_FT_CONNECTION_CLOSE:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1925 case NGX_QUIC_FT_CONNECTION_CLOSE2:
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1926 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1927 continue;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1928 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1929
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1930 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1931
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1932 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1933 if (ngx_quic_send_ack(c, pkt) != NGX_OK) {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1934 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1935 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1936
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1937 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1938 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1939
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	1940 switch (frame.type) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1941
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1942 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1943
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	1944 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1945 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1946 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1947
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1948 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1949
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1950 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1951 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1952
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1953 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1954 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1955 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1956 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1957 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1958 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1959 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1960 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1961
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	1962 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1963 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1964 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1965
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1966 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	1967
7703 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	1968 case NGX_QUIC_FT_MAX_DATA:
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1969
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1970 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: 7841 diff changeset	1971 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1972 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1973 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	1974
7703 ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	1975 break;
ff540f13d95d MAX_DATA frame parser/handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7702 diff changeset	1976
7702 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	1977 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	1978 case NGX_QUIC_FT_STREAMS_BLOCKED2:
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1979
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1980 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1981 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1982 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1983 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1984 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1985 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	1986
7702 d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	1987 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames. Vladimir Homutov <vl@nginx.com> parents: 7701 diff changeset	1988
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1989 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1990
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1991 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: 7731 diff changeset	1992 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1993 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1994 {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1995 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1996 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1997
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1998 break;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	1999
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2000 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2001
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2002 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: 7841 diff changeset	2003 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2004 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2005 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2006 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2007 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2008
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2009 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2010
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2011 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2012
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2013 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: 7922 diff changeset	2014 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2015 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2016 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2017 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2018 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2019
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2020 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2021
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2022 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2023
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2024 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: 7922 diff changeset	2025 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2026 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2027 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2028 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2029 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2030
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2031 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	2032
7791 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2033 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2034 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2035 case NGX_QUIC_FT_PATH_CHALLENGE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2036 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2037
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2038 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2039 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2040 "quic frame handler not implemented");
7791 9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2041 break;
9b9d592c0da3 Ignore non-yet-implemented frames. Vladimir Homutov <vl@nginx.com> parents: 7788 diff changeset	2042
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2043 default:
7823 4e4485793418 Added MAX_STREAM_DATA stub handler. Vladimir Homutov <vl@nginx.com> parents: 7822 diff changeset	2044 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2045 "quic missing frame handler");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2046 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2047 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2048 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2049
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2050 if (p != end) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2051 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2052 "quic trailing garbage in payload: %ui bytes", end - p);
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2053
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2054 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2055 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2056 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2057
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2058 if (do_close) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2059 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2060 ngx_quic_close_connection(c, NGX_OK);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2061 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2062
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2063 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2064 }
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2065
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2066
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2067 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2068 ngx_quic_send_ack(ngx_connection_t c, ngx_quic_header_t pkt)
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2069 {
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2070 ngx_quic_frame_t *frame;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2071
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2072 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	2073
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2074 /* every ACK-eliciting packet is acknowledged, TODO ACK Ranges */
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2075
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2076 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2077 if (frame == NULL) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2078 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2079 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2080
7844 c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2081 frame->level = (pkt->level == ssl_encryption_early_data)
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2082 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2083 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2084
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2085 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2086 frame->u.ack.largest = pkt->pn;
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2087
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2088 ngx_sprintf(frame->info, "ACK for PN=%d from frame handler level=%d",
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2089 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler. Sergey Kandaurov <pluknet@nginx.com> parents: 7842 diff changeset	2090 ngx_quic_queue_frame(c->quic, frame);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2091
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	2092 return NGX_OK;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2093 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2094
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2095
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2096 static ngx_int_t
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2097 ngx_quic_send_cc(ngx_connection_t *c, enum ssl_encryption_level_t level,
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2098 ngx_uint_t err, ngx_uint_t frame_type, const char *reason)
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2099 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2100 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2101 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2102
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2103 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2104
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2105 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2106 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2107 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2108
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2109 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2110 && 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: 7831 diff changeset	2111 {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2112 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2113 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2114 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2115
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2116 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2117 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2118 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2119 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2120
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2121 frame->level = level;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2122 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2123 frame->u.close.error_code = err;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2124 frame->u.close.frame_type = frame_type;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2125
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2126 if (reason) {
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2127 frame->u.close.reason.len = ngx_strlen(reason);
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2128 frame->u.close.reason.data = (u_char *) reason;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2129 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2130
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2131 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2132 "cc from send_cc err=%ui level=%d ft=%ui reason \"%s\"",
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2133 err, level, frame_type, reason ? reason : "-");
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2134
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2135 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2136
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2137 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2138
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2139 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2140 }
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2141
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2142
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	2143 static ngx_int_t
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2144 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2145 {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2146 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2147 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2148
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2149 if (!c->quic->tp.retry) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2150 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2151 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2152
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2153 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2154 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2155 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2156
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2157 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2158 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2159 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2160 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2161
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2162 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2163 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2164 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2165 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2166 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2167 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2168
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2169 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2170 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2171
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2172 static ngx_int_t
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2173 ngx_quic_handle_ack_frame(ngx_connection_t c, ngx_quic_header_t pkt,
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2174 ngx_quic_ack_frame_t *ack)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2175 {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2176 ssize_t n;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2177 u_char pos, end;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2178 uint64_t gap, range;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2179 ngx_uint_t i, min, max;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2180 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2181
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2182 ctx = ngx_quic_get_send_ctx(c->quic, pkt->level);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2183
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2184 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2185 "quic ngx_quic_handle_ack_frame level %d", pkt->level);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2186
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2187 /*
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2188 * 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: 7861 diff changeset	2189 * 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: 7861 diff changeset	2190 * (19.3.1)
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2191 */
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2192
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2193 if (ack->first_range > ack->largest) {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2194 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2195 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2196 "quic invalid first range in ack frame");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2197 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2198 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2199
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2200 min = ack->largest - ack->first_range;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2201 max = ack->largest;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2202
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2203 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max) != NGX_OK) {
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2204 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2205 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2206
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2207 /* 13.2.3. Receiver Tracking of ACK Frames */
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2208 if (ctx->largest_ack < max) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2209 ctx->largest_ack = max;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2210 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2211 "quic updated largest received ack: %ui", max);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2212 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2213
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2214 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2215 end = ack->ranges_end;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2216
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2217 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2218
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2219 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2220 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2221 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2222 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2223 pos += n;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2224
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2225 if (gap >= min) {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2226 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2227 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2228 "quic invalid range %ui in ack frame", i);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2229 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2230 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2231
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2232 max = min - 1 - gap;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2233
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2234 if (range > max + 1) {
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2235 c->quic->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2236 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2237 "quic invalid range %ui in ack frame", i);
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2238 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2239 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2240
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2241 min = max - range + 1;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2242
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2243 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max) != NGX_OK) {
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2244 return NGX_ERROR;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2245 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2246 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2247
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2248 return NGX_OK;
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2249 }
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2250
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2251
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2252 static ngx_int_t
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2253 ngx_quic_handle_ack_frame_range(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2254 uint64_t min, uint64_t max)
1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2255 {
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2256 ngx_uint_t found;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2257 ngx_queue_t *q;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2258 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2259 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2260
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2261 qc = c->quic;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2262
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2263 found = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2264
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2265 q = ngx_queue_head(&ctx->sent);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2266
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	2267 while (q != ngx_queue_sentinel(&ctx->sent)) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2268
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2269 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2270
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2271 if (f->pnum >= min && f->pnum <= max) {
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2272 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2273
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2274 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2275
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2276 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2277 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2278 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2279 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2280
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2281 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2282 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2283 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2284 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2285
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2286 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2287
7932 4e75267865de QUIC: fixed off-by-one in frame range handler. Vladimir Homutov <vl@nginx.com> parents: 7931 diff changeset	2288 if (max < ctx->pnum) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2289 /* duplicate ACK or ACK for non-ack-eliciting frame */
7792 1cdd53532309 ACK ranges processing. Vladimir Homutov <vl@nginx.com> parents: 7791 diff changeset	2290 return NGX_OK;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2291 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2292
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2293 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7878 d3aa54242c37 Style. Vladimir Homutov <vl@nginx.com> parents: 7877 diff changeset	2294 "quic ACK for the packet not sent");
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2295
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2296 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
7876 ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2297 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames. Vladimir Homutov <vl@nginx.com> parents: 7875 diff changeset	2298 qc->error_reason = "unknown packet number";
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	2299
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2300 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2301 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	2302
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2303 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2304 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2305 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2306
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2307 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2308 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2309
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2310
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2311 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2312 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: 7840 diff changeset	2313 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2314 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2315 ngx_event_t *wev;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2316 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2317 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2318
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2319 if (f->type < NGX_QUIC_FT_STREAM0 \|\| f->type > NGX_QUIC_FT_STREAM7) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2320 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2321 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2322
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2323 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2324
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2325 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2326 if (sn == NULL) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2327 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2328 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2329
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2330 wev = sn->c->write;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2331 sent = sn->c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2332 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2333
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2334 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2335 wev->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2336 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2337 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2338
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2339 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2340
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2341 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2342 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2343 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2344 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2345
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	2346
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2347 static ngx_int_t
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2348 ngx_quic_handle_ordered_frame(ngx_connection_t c, ngx_quic_frames_stream_t fs,
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2349 ngx_quic_frame_t frame, ngx_quic_frame_handler_pt handler, void data)
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2350 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2351 size_t full_len;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2352 ngx_int_t rc;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2353 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2354 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2355
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2356 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2357
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2358 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2359 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2360 "quic out-of-order frame: expecting %ui got %ui",
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2361 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2362
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2363 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2364 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2365
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2366 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2367
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2368 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2369 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2370 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2371 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2372 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2373 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2374
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2375 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2376 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2377
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2378 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2379
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2380 rc = handler(c, frame, data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2381 if (rc == NGX_ERROR) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2382 return NGX_ERROR;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2383
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2384 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2385 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2386 return NGX_OK;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2387 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2388
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2389 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2390
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2391 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2392
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2393 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2394
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2395 do {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2396 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2397 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2398 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2399 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2400
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2401 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2402 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2403
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2404 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2405 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2406 break;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2407 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2408
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2409 full_len = f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2410
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2411 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2412
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2413 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2414 == NGX_DONE)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2415 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2416 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2417 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2418 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2419
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2420 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2421 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2422 fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2423 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2424 continue;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2425 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2426
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2427 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2428 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2429
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2430 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2431
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2432 rc = handler(c, frame, data);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2433
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2434 if (rc == NGX_ERROR) {
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2435 return NGX_ERROR;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2436
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2437 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2438 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2439 return NGX_OK;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2440 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2441
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2442 fs->received += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2443 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2444
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2445 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2446
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2447 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2448 "quic consumed buffered frame, total %ui", fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2449
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2450 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2451
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2452 } while (1);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2453
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2454 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2455 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2456
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2457
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2458 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2459 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: 7809 diff changeset	2460 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2461 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2462 size_t tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2463 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2464
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2465 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2466
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2467 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2468
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2469 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2470 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2471
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2472 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2473 "quic old or duplicate data in ordered frame, ignored");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2474 return NGX_DONE;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2475 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2476
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2477 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2478 "quic adjusted ordered frame data start to expected offset");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2479
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2480 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2481
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2482 f->offset += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2483 f->data += tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2484 f->length -= tail;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2485
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2486 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2487 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2488
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2489
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2490 static ngx_int_t
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2491 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: 7809 diff changeset	2492 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2493 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2494 u_char *data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2495 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2496 ngx_quic_frame_t dst, item;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2497 ngx_quic_ordered_frame_t f, df;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2498
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2499 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2500 "quic ngx_quic_buffer_frame");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2501
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2502 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2503
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2504 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2505
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2506 /* check limit on total size used by all buffered frames, not actual data */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2507 if (NGX_QUIC_MAX_BUFFERED - fs->total < f->length) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2508 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2509 "quic ordered input buffer limit exceeded");
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2510 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2511 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2512
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2513 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2514 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2515 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2516 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2517
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2518 data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2519 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2520 dst->data = data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2521
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2522 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2523
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2524 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2525 df->data = dst->data;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2526
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2527 fs->total += f->length;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2528
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2529 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2530 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2531 " buffered, total %ui", fs->total);
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2532
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2533 /* TODO: do we need some timeout for this queue ? */
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2534
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2535 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2536 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2537 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2538 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2539
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2540 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2541 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2542 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2543 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2544 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2545 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2546
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2547 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2548 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2549 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2550 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2551 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2552
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2553 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2554
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2555 return NGX_OK;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2556 }
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2557
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2558
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2559 static ngx_int_t
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2560 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: 7811 diff changeset	2561 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2562 {
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2563 ngx_quic_connection_t *qc;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2564 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2565
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2566 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2567 fs = &qc->crypto[pkt->level];
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2568
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2569 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2570 NULL);
7812 76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2571 }
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2572
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2573
76839f55bc48 Sorted functions and functions declarations. Vladimir Homutov <vl@nginx.com> parents: 7811 diff changeset	2574 static ngx_int_t
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2575 ngx_quic_crypto_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2576 {
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2577 int sslerr;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2578 ssize_t n;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2579 ngx_ssl_conn_t *ssl_conn;
7870 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2580 ngx_quic_send_ctx_t *ctx;
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2581 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2582
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2583 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2584
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2585 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2586
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2587 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2588 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2589 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2590 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2591
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2592 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
7810 167d32476737 Crypto buffer frames reordering. Vladimir Homutov <vl@nginx.com> parents: 7809 diff changeset	2593 f->data, f->length))
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2594 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2595 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2596 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2597 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2598 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2599
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2600 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2601
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2602 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: 7690 diff changeset	2603
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2604 if (n == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2605 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2606
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2607 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2608 sslerr);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2609
7766 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7765 diff changeset	2610 if (sslerr != SSL_ERROR_WANT_READ) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2611 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
7766 23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7765 diff changeset	2612 return NGX_ERROR;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2613 }
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2614
7768 76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL. Sergey Kandaurov <pluknet@nginx.com> parents: 7767 diff changeset	2615 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2616
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2617 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7765 4ad7d4272cd5 Style. Sergey Kandaurov <pluknet@nginx.com> parents: 7760 diff changeset	2618 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2619
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2620 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2621 "quic handshake completed successfully");
7739 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2622
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	2623 frame = ngx_quic_alloc_frame(c, 0);
7739 cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2624 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2625 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2626 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2627
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2628 /* 12.4 Frames and frame types, figure 8 */
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2629 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2630 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2631 ngx_sprintf(frame->info, "HANDSHAKE DONE on handshake completed");
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake. Vladimir Homutov <vl@nginx.com> parents: 7738 diff changeset	2632 ngx_quic_queue_frame(c->quic, frame);
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2633
7861 52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2634 if (ngx_quic_send_new_token(c) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2635 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2636 }
52d0c4832570 Address validation using NEW_TOKEN frame. Sergey Kandaurov <pluknet@nginx.com> parents: 7860 diff changeset	2637
7785 29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2638 /*
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2639 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2640 * See quic-tls 9.4 Header Protection Timing Side-Channels.
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2641 */
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2642
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2643 if (ngx_quic_key_update(c, &c->quic->keys[ssl_encryption_application],
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2644 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2645 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2646 {
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2647 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC. Sergey Kandaurov <pluknet@nginx.com> parents: 7782 diff changeset	2648 }
7870 e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2649
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2650 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2651 * 4.10.2 An endpoint MUST discard its handshake keys
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2652 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2653 */
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2654 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
e169cce912c7 Avoid retransmitting of packets with discarded keys. Vladimir Homutov <vl@nginx.com> parents: 7869 diff changeset	2655 ngx_quic_free_frames(c, &ctx->sent);
7729 1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2656 }
1295b293d09a Connection states code cleanup. Vladimir Homutov <vl@nginx.com> parents: 7726 diff changeset	2657
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2658 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2659 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2660 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2661 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2662
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2663 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2664 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2665
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2666
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2667 static ngx_int_t
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2668 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: 7810 diff changeset	2669 ngx_quic_frame_t *frame)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2670 {
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2671 size_t n;
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2672 ngx_buf_t *b;
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2673 ngx_event_t *rev;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2674 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2675 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2676 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2677 ngx_quic_frames_stream_t *fs;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2678
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2679 qc = c->quic;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2680 f = &frame->u.stream;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2681
7922 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2682 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: 7919 diff changeset	2683 && (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: 7919 diff changeset	2684 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2685 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: 7919 diff changeset	2686 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2687 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2688
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2689 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2690
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2691 if (sn == NULL) {
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2692 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2693 "quic stream id 0x%xi is new", f->stream_id);
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2694
7922 d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2695 if (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: 7919 diff changeset	2696 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: 7919 diff changeset	2697 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2698 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error. Sergey Kandaurov <pluknet@nginx.com> parents: 7919 diff changeset	2699
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2700 n = (f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2701 ? qc->tp.initial_max_stream_data_uni
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2702 : qc->tp.initial_max_stream_data_bidi_remote;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2703
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2704 if (n < NGX_QUIC_STREAM_BUFSIZE) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2705 n = NGX_QUIC_STREAM_BUFSIZE;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2706 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2707
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2708 if (n < f->length) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2709 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2710 "quic no space in stream buffer");
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2711 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2712 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2713
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2714 /*
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2715 * TODO: check IDs are increasing ? create all lower-numbered?
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2716 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2717 * 2.1. Stream Types and Identifiers
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2718 *
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2719 * Within each type, streams are created with numerically increasing
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2720 * stream IDs. A stream ID that is used out of order results in all
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2721 * streams of that type with lower-numbered stream IDs also being
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2722 * opened.
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2723 */
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2724 sn = ngx_quic_create_stream(c, f->stream_id, n);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2725 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2726 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2727 }
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2728
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2729 rev = sn->c->read;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2730
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2731 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2732
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2733 b = sn->b;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2734 b->last = ngx_cpymem(b->last, f->data, f->length);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2735
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2736 sn->fs.received += f->length;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2737
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2738 rev->ready = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2739
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2740 if (f->fin) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2741 rev->pending_eof = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2742 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2743
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2744 } else {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2745 rev->ready = 0;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2746 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2747
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2748 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2749 ngx_quic_handle_max_streams(c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2750 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2751
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2752 qc->streams.handler(sn->c);
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2753
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2754 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2755 return NGX_OK;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2756 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2757
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2758 /* out-of-order stream: proceed to buffering */
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2759 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2760
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2761 fs = &sn->fs;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2762
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2763 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2764 sn);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2765 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2766
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2767
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2768 static ngx_int_t
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2769 ngx_quic_stream_input(ngx_connection_t c, ngx_quic_frame_t frame, void *data)
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2770 {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2771 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2772 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2773 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2774 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2775 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2776
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2777 qc = c->quic;
7855 81a4f98a2556 Cleaned up reordering code. Vladimir Homutov <vl@nginx.com> parents: 7854 diff changeset	2778 sn = data;
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2779
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2780 f = &frame->u.stream;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2781
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	2782 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic existing stream");
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2783
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2784 b = sn->b;
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2785
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2786 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2787 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2788 "quic no space in stream buffer");
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2789 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2790 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2791
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2792 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: 7813 diff changeset	2793 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: 7813 diff changeset	2794 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2795 }
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2796
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	2797 b->last = ngx_cpymem(b->last, f->data, f->length);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2798
7760 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2799 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2800 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2801
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2802 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2803 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	2804 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2805
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2806 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2807 rev->handler(rev);
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2808 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2809
7814 ab443e80d9e4 Create new stream immediately on receiving new stream id. Vladimir Homutov <vl@nginx.com> parents: 7813 diff changeset	2810 /* check if stream was destroyed by handler */
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2811 if (ngx_quic_find_stream(&qc->streams.tree, f->stream_id) == NULL) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2812 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2813 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	2814
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2815 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2816 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2817
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	2818
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2819 static ngx_int_t
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2820 ngx_quic_handle_max_streams(ngx_connection_t *c)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2821 {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2822 ngx_quic_frame_t *frame;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2823 ngx_quic_connection_t *qc;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2824
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2825 qc = c->quic;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2826 qc->cur_streams++;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2827
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2828 if (qc->cur_streams + NGX_QUIC_STREAMS_INC / 2 < qc->max_streams) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2829 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2830 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2831
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2832 frame = ngx_quic_alloc_frame(c, 0);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2833 if (frame == NULL) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2834 return NGX_ERROR;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2835 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2836
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2837 qc->max_streams = ngx_max(qc->max_streams + NGX_QUIC_STREAMS_INC,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2838 NGX_QUIC_STREAMS_LIMIT);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2839
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2840 frame->level = ssl_encryption_application;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2841 frame->type = NGX_QUIC_FT_MAX_STREAMS;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2842 frame->u.max_streams.limit = qc->max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2843 frame->u.max_streams.bidi = 1;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2844
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2845 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2846 (int) frame->u.max_streams.limit,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2847 (int) frame->u.max_streams.bidi,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2848 frame->level);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2849
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2850 ngx_quic_queue_frame(qc, frame);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2851
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2852 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2853 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2854
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2855
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2856 static ngx_int_t
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2857 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: 7841 diff changeset	2858 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2859 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2860 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2861 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2862 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2863 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2864 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2865
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2866 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2867 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2868
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2869 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: 7841 diff changeset	2870 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2871 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2872
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2873 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: 7841 diff changeset	2874
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2875 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: 7841 diff changeset	2876 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2877 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2878 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2879 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2880 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2881
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2882 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2883 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2884 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2885 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2886 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2887 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2888
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2889 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: 7841 diff changeset	2890
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2891 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2892 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2893
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2894
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2895 static ngx_int_t
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2896 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2897 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: 7707 diff changeset	2898 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2899 ngx_quic_frame_t *frame;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2900
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	2901 frame = ngx_quic_alloc_frame(c, 0);
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2902 if (frame == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2903 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2904 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2905
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2906 frame->level = pkt->level;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2907 frame->type = NGX_QUIC_FT_MAX_STREAMS;
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2908 frame->u.max_streams.limit = ngx_max(f->limit * 2, NGX_QUIC_STREAMS_LIMIT);
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2909 frame->u.max_streams.bidi = f->bidi;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2910
7780 de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2911 c->quic->max_streams = frame->u.max_streams.limit;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance. Sergey Kandaurov <pluknet@nginx.com> parents: 7778 diff changeset	2912
7711 a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2913 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2914 (int) frame->u.max_streams.limit,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2915 (int) frame->u.max_streams.bidi,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2916 frame->level);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2917
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2918 ngx_quic_queue_frame(c->quic, frame);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2919
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2920 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2921 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2922
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED. Roman Arutyunyan <arut@nginx.com> parents: 7707 diff changeset	2923
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2924 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2925 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: 7731 diff changeset	2926 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: 7731 diff changeset	2927 {
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	2928 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	2929 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	2930 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	2931 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	2932 ngx_quic_connection_t *qc;
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2933
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2934 qc = c->quic;
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2935
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2936 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: 7923 diff changeset	2937 && (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: 7923 diff changeset	2938 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2939 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: 7923 diff changeset	2940 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2941 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2942
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2943 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: 7731 diff changeset	2944
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2945 if (sn == NULL) {
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2946 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	2947 "quic unknown stream id:%uL", f->id);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2948 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2949 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2950
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2951 b = sn->b;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	2952 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2953
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	2954 frame = ngx_quic_alloc_frame(c, 0);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2955 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2956 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2957 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2958
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2959 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2960 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2961 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2962 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2963
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2964 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d level=%d",
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2965 (int) frame->u.max_stream_data.id,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2966 (int) frame->u.max_stream_data.limit,
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2967 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2968
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2969 ngx_quic_queue_frame(c->quic, frame);
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2970
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2971 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2972 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2973
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	2974
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2975 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2976 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: 7841 diff changeset	2977 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: 7841 diff changeset	2978 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2979 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2980 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2981 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2982 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2983
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2984 qc = c->quic;
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2985
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2986 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: 7923 diff changeset	2987 && (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: 7923 diff changeset	2988 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2989 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: 7923 diff changeset	2990 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2991 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2992
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2993 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: 7841 diff changeset	2994
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2995 if (sn == NULL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	2996 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unknown stream id:%uL", f->id);
7924 8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2997
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	2998 if (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: 7923 diff changeset	2999 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: 7923 diff changeset	3000 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED. Sergey Kandaurov <pluknet@nginx.com> parents: 7923 diff changeset	3001
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3002 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3003 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3004
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3005 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3006 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3007 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3008
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3009 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3010
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3011 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3012 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3013
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3014 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3015 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3016 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3017 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3018 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3019
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3020 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3021
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3022 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3023 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3024
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3025
7923 953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3026 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3027 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: 7922 diff changeset	3028 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: 7922 diff changeset	3029 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3030 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3031 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3032
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3033 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3034 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3035 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3036 c->quic->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3037 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3038 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3039
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3040 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3041 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3042
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3043
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3044 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3045 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: 7922 diff changeset	3046 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: 7922 diff changeset	3047 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3048 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3049 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3050
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3051 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3052 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3053
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3054 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3055
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3056 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3057 && (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: 7922 diff changeset	3058 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3059 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: 7922 diff changeset	3060 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3061 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3062
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3063 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: 7922 diff changeset	3064
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3065 if (sn == NULL) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3066 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3067 "quic stream id 0x%xi is new", f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3068
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3069 if (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3070 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: 7922 diff changeset	3071 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3072 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3073 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3074
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3075 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3076 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3077
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames. Sergey Kandaurov <pluknet@nginx.com> parents: 7922 diff changeset	3078
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3079 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3080 ngx_quic_queue_frame(ngx_quic_connection_t qc, ngx_quic_frame_t frame)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3081 {
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3082 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3083
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3084 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: 7794 diff changeset	3085
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3086 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3087
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3088 /* TODO: check PUSH flag on stream and call output */
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3089
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3090 if (!qc->push.timer_set && !qc->closing) {
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3091 ngx_add_timer(&qc->push, qc->tp.max_ack_delay);
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3092 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3093 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3094
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3095
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3096 static ngx_int_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3097 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3098 {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3099 ngx_uint_t i;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3100 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3101
7741 19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	3102 c->log->action = "sending frames";
19660929e8ff Logging cleanup. Vladimir Homutov <vl@nginx.com> parents: 7740 diff changeset	3103
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3104 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3105
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3106 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
7809 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	3107 if (ngx_quic_output_frames(c, &qc->send_ctx[i]) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3108 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3109 }
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3110 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3111
7788 d9bc33166361 Do not set timers after the connection is closed. Vladimir Homutov <vl@nginx.com> parents: 7787 diff changeset	3112 if (!qc->send_timer_set && !qc->closing) {
7737 8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	3113 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	3114 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	3115 }
8e54a17dabee Respect QUIC max_idle_timeout. Roman Arutyunyan <arut@nginx.com> parents: 7736 diff changeset	3116
7846 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	3117 if (!qc->retransmit.timer_set && !qc->closing) {
7926 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 7925 diff changeset	3118 ngx_add_timer(&qc->retransmit,
70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 7925 diff changeset	3119 qc->ctp.max_ack_delay + NGX_QUIC_HARDCODED_PTO);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3120 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3121
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3122 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3123 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3124
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3125
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3126 static ngx_int_t
7809 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	3127 ngx_quic_output_frames(ngx_connection_t c, ngx_quic_send_ctx_t ctx)
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3128 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3129 size_t len, hlen, n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3130 ngx_int_t rc;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3131 ngx_uint_t need_ack;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3132 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3133 ngx_quic_frame_t *f;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3134 ngx_quic_congestion_t *cg;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3135 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3136
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3137 qc = c->quic;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3138 cg = &qc->congestion;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3139
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3140 if (ngx_queue_empty(&ctx->frames)) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3141 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3142 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3143
7809 6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	3144 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	3145 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: 7808 diff changeset	3146
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames(). Vladimir Homutov <vl@nginx.com> parents: 7808 diff changeset	3147 /* 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: 7808 diff changeset	3148 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: 7808 diff changeset	3149 : NGX_QUIC_MAX_LONG_HEADER;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3150 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3151
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3152 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3153 len = 0;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3154 need_ack = 0;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3155 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3156
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3157 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3158 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3159 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3160
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3161 n = ngx_quic_create_frame(NULL, f);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3162
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	3163 if (len && hlen + len + n > qc->ctp.max_udp_payload_size) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3164 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3165 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3166
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3167 if (f->need_ack) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3168 need_ack = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3169 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3170
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3171 if (need_ack && cg->in_flight + len + n > cg->window) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3172 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3173 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3174
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3175 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3176
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3177 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3178
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3179 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3180 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3181
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3182 len += n;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3183
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3184 } while (q != ngx_queue_sentinel(&ctx->frames));
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3185
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3186 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3187 break;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3188 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3189
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3190 rc = ngx_quic_send_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3191
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3192 if (rc == NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3193 /*
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3194 * frames are moved into the sent queue
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3195 * to wait for ack/be retransmitted
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3196 */
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3197 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3198 /* if we are closing, any ack will be discarded */
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3199 ngx_quic_free_frames(c, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3200
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3201 } else {
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3202 ngx_queue_add(&ctx->sent, &range);
ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3203 }
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3204
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3205 cg->in_flight += len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3206
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3207 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3208 "quic congestion send if:%uz", cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3209
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3210 } else if (rc == NGX_DONE) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3211
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3212 /* no ack is expected for this frames, can free them */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3213 ngx_quic_free_frames(c, &range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3214
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3215 } else {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3216 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3217 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3218
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3219 } while (q != ngx_queue_sentinel(&ctx->frames));
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3220
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3221 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3222 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3223
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3224
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3225 static void
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3226 ngx_quic_free_frames(ngx_connection_t c, ngx_queue_t frames)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3227 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3228 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3229 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3230
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3231 do {
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3232 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3233
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3234 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3235 break;
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3236 }
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3237
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3238 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3239
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3240 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3241
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3242 ngx_quic_free_frame(c, f);
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3243 } while (1);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3244 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3245
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3246
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3247 static ngx_int_t
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3248 ngx_quic_send_frames(ngx_connection_t c, ngx_queue_t frames)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3249 {
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3250 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3251 u_char *p;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3252 ngx_msec_t now;
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3253 ngx_str_t out, res;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3254 ngx_queue_t *q;
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3255 ngx_ssl_conn_t *ssl_conn;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3256 ngx_quic_frame_t f, start;
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3257 ngx_quic_header_t pkt;
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	3258 ngx_quic_secrets_t *keys;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3259 ngx_quic_send_ctx_t *ctx;
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3260 ngx_quic_connection_t *qc;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3261 static ngx_str_t initial_token = ngx_null_string;
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	3262 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: 7908 diff changeset	3263 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3264
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3265 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3266 "quic ngx_quic_send_frames");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3267
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3268 ssl_conn = c->ssl ? c->ssl->connection : NULL;
fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3269
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3270 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3271 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3272
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3273 ctx = ngx_quic_get_send_ctx(c->quic, start->level);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3274
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3275 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3276
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3277 now = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3278
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3279 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3280 out.data = src;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3281
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3282 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3283 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3284 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3285 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3286 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3287
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3288 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3289 "quic frame out: %s", f->info);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3290
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3291 len = ngx_quic_create_frame(p, f);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3292 if (len == -1) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3293 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3294 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3295
7778 053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 7777 diff changeset	3296 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 7777 diff changeset	3297 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 7777 diff changeset	3298 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet. Vladimir Homutov <vl@nginx.com> parents: 7777 diff changeset	3299
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3300 p += len;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3301 f->pnum = ctx->pnum;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3302 f->last = now;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3303 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3304
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3305 out.len = p - out.data;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3306
7767 c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 7766 diff changeset	3307 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 7766 diff changeset	3308 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 7766 diff changeset	3309 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 7766 diff changeset	3310 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands. Sergey Kandaurov <pluknet@nginx.com> parents: 7766 diff changeset	3311
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3312 qc = c->quic;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3313
7772 058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	3314 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	3315
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	3316 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage. Vladimir Homutov <vl@nginx.com> parents: 7771 diff changeset	3317
7847 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3318 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3319
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3320 if (start->level == ssl_encryption_initial) {
7847 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3321 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_INITIAL;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3322 pkt.token = initial_token;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3323
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3324 } else if (start->level == ssl_encryption_handshake) {
7847 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3325 pkt.flags \|= NGX_QUIC_PKT_LONG \| NGX_QUIC_PKT_HANDSHAKE;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3326
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3327 } else {
7847 262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3328 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3329 pkt.flags \|= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types. Vladimir Homutov <vl@nginx.com> parents: 7846 diff changeset	3330 }
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3331 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3332
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3333 ngx_quic_set_packet_number(&pkt, ctx);
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3334
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3335 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3336 pkt.level = start->level;
7821 e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 7820 diff changeset	3337 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header. Vladimir Homutov <vl@nginx.com> parents: 7820 diff changeset	3338 pkt.scid = qc->dcid;
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3339 pkt.payload = out;
7751 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 7750 diff changeset	3340
7755 949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames(). Vladimir Homutov <vl@nginx.com> parents: 7754 diff changeset	3341 res.data = dst;
7751 f85749b60e58 Removed memory allocations from encryption code. Vladimir Homutov <vl@nginx.com> parents: 7750 diff changeset	3342
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3343 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3344 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3345 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3346 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3347 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3348
7862 fb7422074258 Added generation of CC frames with error on connection termination. Vladimir Homutov <vl@nginx.com> parents: 7861 diff changeset	3349 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3350 return NGX_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3351 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3352
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3353 #ifdef NGX_QUIC_DEBUG_PACKETS
7837 f175006124d0 Cleaned up hexdumps in debug output. Vladimir Homutov <vl@nginx.com> parents: 7836 diff changeset	3354 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3355 #endif
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3356
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3357 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3358 if (len == NGX_ERROR \|\| (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3359 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3360 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3361
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3362 /* len == NGX_OK \|\| NGX_AGAIN */
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3363 ctx->pnum++;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3364
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3365 return pkt.need_ack ? NGX_OK : NGX_DONE;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3366 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3367
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3368
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3369 static void
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3370 ngx_quic_set_packet_number(ngx_quic_header_t pkt, ngx_quic_send_ctx_t ctx)
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3371 {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3372 uint64_t delta;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3373
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3374 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3375 pkt->number = ctx->pnum;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3376
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3377 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3378 pkt->num_len = 1;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3379 pkt->trunc = ctx->pnum & 0xff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3380
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3381 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3382 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3383 pkt->flags \|= 0x1;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3384 pkt->trunc = ctx->pnum & 0xffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3385
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3386 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3387 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3388 pkt->flags \|= 0x2;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3389 pkt->trunc = ctx->pnum & 0xffffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3390
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3391 } else {
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3392 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3393 pkt->flags \|= 0x3;
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3394 pkt->trunc = ctx->pnum & 0xffffffff;
7781 fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3395 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3396 }
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3397
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3398
fdda518d10ba Proper handling of packet number in header. Vladimir Homutov <vl@nginx.com> parents: 7780 diff changeset	3399 static void
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3400 ngx_quic_retransmit_handler(ngx_event_t *ev)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3401 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3402 ngx_uint_t i;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3403 ngx_msec_t wait, nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3404 ngx_connection_t *c;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3405 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3406
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3407 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3408 "quic retransmit timer");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3409
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3410 c = ev->data;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3411 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3412
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3413 wait = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3414
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3415 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3416 if (ngx_quic_retransmit(c, &qc->send_ctx[i], &nswait) != NGX_OK) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3417 ngx_quic_close_connection(c, NGX_ERROR);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3418 return;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3419 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3420
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3421 if (i == 0) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3422 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3423
7869 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 7865 diff changeset	3424 } else if (nswait > 0 && (wait == 0 \|\| wait > nswait)) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3425 wait = nswait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3426 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3427 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3428
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3429 if (wait > 0) {
7846 bddf704d62c1 Renamed retransmit event object in preparation for retry support. Sergey Kandaurov <pluknet@nginx.com> parents: 7845 diff changeset	3430 ngx_add_timer(&qc->retransmit, wait);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3431 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3432 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3433
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3434
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3435 static void
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3436 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3437 {
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3438 ngx_connection_t *c;
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3439
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3440 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3441
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3442 c = ev->data;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3443
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3444 if (ngx_quic_output(c) != NGX_OK) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3445 ngx_quic_close_connection(c, NGX_ERROR);
7775 7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3446 return;
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3447 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3448 }
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3449
7ea2c68735f9 Output buffering. Vladimir Homutov <vl@nginx.com> parents: 7774 diff changeset	3450
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3451 static ngx_int_t
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3452 ngx_quic_retransmit(ngx_connection_t c, ngx_quic_send_ctx_t ctx,
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3453 ngx_msec_t *waitp)
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3454 {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3455 uint64_t pn;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3456 ngx_msec_t now, wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3457 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3458 ngx_quic_frame_t f, start;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3459 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3460
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3461 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3462
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3463 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3464
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3465 if (ngx_queue_empty(&ctx->sent)) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3466 *waitp = 0;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3467 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3468 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3469
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3470 q = ngx_queue_head(&ctx->sent);
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3471
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3472 do {
7840 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3473 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3474
7926 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 7925 diff changeset	3475 wait = start->last + qc->ctp.max_ack_delay
70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 7925 diff changeset	3476 + NGX_QUIC_HARDCODED_PTO - now;
7840 d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3477
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3478 if ((ngx_msec_int_t) wait > 0) {
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3479 break;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3480 }
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3481
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3482 pn = start->pnum;
d3395396ce51 Fixed packet retransmission. Roman Arutyunyan <arut@nginx.com> parents: 7839 diff changeset	3483
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3484 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3485
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3486 /* send frames with same packet number to the wire */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3487 do {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3488 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3489
7865 a9cc1627cf1c Fixed time comparison. Vladimir Homutov <vl@nginx.com> parents: 7864 diff changeset	3490 if (now - start->first > qc->tp.max_idle_timeout) {
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3491 ngx_log_error(NGX_LOG_ERR, c->log, 0,
7838 336d527ca031 Error messages cleanup. Vladimir Homutov <vl@nginx.com> parents: 7837 diff changeset	3492 "quic retransmission timeout");
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3493 return NGX_DECLINED;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3494 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3495
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3496 if (f->pnum != pn) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3497 break;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3498 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3499
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3500 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3501
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3502 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3503 ngx_queue_insert_tail(&range, &f->queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3504
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3505 } while (q != ngx_queue_sentinel(&ctx->sent));
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3506
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3507 ngx_quic_congestion_lost(c, start->last);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3508
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3509 /* NGX_DONE is impossible here, such frames don't get into this queue */
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3510 if (ngx_quic_send_frames(c, &range) != NGX_OK) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3511 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3512 }
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3513
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3514 /* move frames group to the end of queue */
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3515 ngx_queue_add(&ctx->sent, &range);
bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3516
7926 70335ec6e5d4 Increased default initial retransmit timeout. Vladimir Homutov <vl@nginx.com> parents: 7925 diff changeset	3517 wait = qc->ctp.max_ack_delay + NGX_QUIC_HARDCODED_PTO;
7869 5ffb21c5c93d Fixed frame retransmissions. Vladimir Homutov <vl@nginx.com> parents: 7865 diff changeset	3518
7808 bda817d16cc2 Rename types and variables used for packet number space. Vladimir Homutov <vl@nginx.com> parents: 7794 diff changeset	3519 } while (q != ngx_queue_sentinel(&ctx->sent));
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3520
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3521 *waitp = wait;
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	3522
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3523 return NGX_OK;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3524 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3525
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3526
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3527 ngx_connection_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3528 ngx_quic_create_uni_stream(ngx_connection_t *c)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3529 {
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3530 ngx_uint_t id;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3531 ngx_quic_stream_t qs, sn;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3532 ngx_quic_connection_t *qc;
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3533
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3534 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3535 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3536
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3537 id = (qc->streams.id_counter << 2)
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3538 \| NGX_QUIC_STREAM_SERVER_INITIATED
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3539 \| NGX_QUIC_STREAM_UNIDIRECTIONAL;
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3540
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3541 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3542 "quic creating server uni stream #%ui id %ui",
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3543 qc->streams.id_counter, id);
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3544
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3545 qc->streams.id_counter++;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3546
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3547 sn = ngx_quic_create_stream(qs->parent, id, 0);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3548 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3549 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3550 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3551
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3552 return sn->c;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3553 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3554
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3555
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3556 static void
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3557 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3558 ngx_rbtree_node_t node, ngx_rbtree_node_t sentinel)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3559 {
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3560 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3561 ngx_quic_stream_t qn, qnt;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3562
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3563 for ( ;; ) {
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3564 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3565 qnt = (ngx_quic_stream_t *) temp;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3566
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3567 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3568
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3569 if (*p == sentinel) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3570 break;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3571 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3572
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3573 temp = *p;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3574 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3575
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3576 *p = node;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3577 node->parent = temp;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3578 node->left = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3579 node->right = sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3580 ngx_rbt_red(node);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3581 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3582
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3583
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3584 static ngx_quic_stream_t *
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3585 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3586 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3587 ngx_rbtree_node_t node, sentinel;
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3588 ngx_quic_stream_t *qn;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3589
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3590 node = rbtree->root;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3591 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3592
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3593 while (node != sentinel) {
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3594 qn = (ngx_quic_stream_t *) node;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3595
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3596 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3597 return qn;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3598 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3599
7750 2935a11c55b6 Fixed QUIC stream insert and find. Roman Arutyunyan <arut@nginx.com> parents: 7748 diff changeset	3600 node = (id < qn->id) ? node->left : node->right;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3601 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3602
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3603 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3604 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3605
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3606
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3607 static ngx_quic_stream_t *
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3608 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3609 {
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3610 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3611 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3612 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3613 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3614 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3615
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3616 qc = c->quic;
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3617
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3618 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3619 if (pool == NULL) {
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3620 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3621 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3622
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3623 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3624 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3625 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3626 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3627 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3628
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3629 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3630 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3631 sn->id = id;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3632
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3633 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3634 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3635 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3636 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3637 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3638
7811 72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3639 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames. Vladimir Homutov <vl@nginx.com> parents: 7810 diff changeset	3640
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3641 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3642 if (log == NULL) {
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3643 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3644 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3645 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3646
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3647 log = c->log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3648 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3649
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3650 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3651 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3652 ngx_destroy_pool(pool);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3653 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3654 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3655
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3656 sn->c->qs = sn;
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3657 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3658 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3659 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3660 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3661 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3662 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3663 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3664
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3665 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3666 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3667 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3668
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3669 sn->c->read->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3670 sn->c->write->log = c->log;
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3671
7839 44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 7838 diff changeset	3672 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log. Roman Arutyunyan <arut@nginx.com> parents: 7838 diff changeset	3673
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3674 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3675 \|\| (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3676 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3677 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3678 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3679
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3680 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3681 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3682 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: 7841 diff changeset	3683 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3684
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3685 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3686 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3687 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: 7841 diff changeset	3688 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3689 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: 7841 diff changeset	3690 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3691 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3692
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3693 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3694 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3695 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3696 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3697 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3698 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3699
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3700 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3701 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3702
7748 4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3703 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation. Roman Arutyunyan <arut@nginx.com> parents: 7747 diff changeset	3704
7695 cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3705 return sn;
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3706 }
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3707
cfc429911c0d Implemented creation of server unidirectional streams. Vladimir Homutov <vl@nginx.com> parents: 7691 diff changeset	3708
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3709 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3710 ngx_quic_stream_recv(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3711 {
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3712 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3713 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3714 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3715 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3716 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3717 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3718 ngx_quic_connection_t *qc;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3719
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3720 qs = c->qs;
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3721 b = qs->b;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3722 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3723 qc = pc->quic;
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3724 rev = c->read;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3725
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3726 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3727 "quic stream id 0x%xi recv: eof:%d, avail:%z",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3728 qs->id, rev->pending_eof, b->last - b->pos);
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3729
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3730 if (b->pos == b->last) {
7745 5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3731 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3732
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3733 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3734 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3735 return 0;
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3736 }
5f223cdad40e Implemented eof in QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7744 diff changeset	3737
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3738 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3739 "quic stream id 0x%xi recv() not ready", qs->id);
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3740 return NGX_AGAIN;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3741 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3742
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3743 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3744
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3745 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3746
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3747 b->pos += len;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3748 qc->streams.received += len;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3749
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3750 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3751 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3752 b->last = b->start;
7760 32db41d603cd Fixed handling QUIC stream eof. Roman Arutyunyan <arut@nginx.com> parents: 7759 diff changeset	3753 rev->ready = rev->pending_eof;
7732 f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3754 }
f92e583fc256 Better flow control and buffering for QUIC streams. Roman Arutyunyan <arut@nginx.com> parents: 7731 diff changeset	3755
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3756 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3757 "quic stream id 0x%xi recv: %z of %uz", qs->id, len, size);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3758
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3759 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3760 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3761 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3762 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3763 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3764
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3765 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3766 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3767 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3768 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: 7814 diff changeset	3769 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3770
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3771 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d l=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3772 (int) frame->u.max_stream_data.id,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3773 (int) frame->u.max_stream_data.limit,
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3774 frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3775
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3776 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3777 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3778
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3779 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3780
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3781 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3782
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3783 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3784 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3785 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3786
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3787 qc->streams.recv_max_data *= 2;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3788
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3789 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3790 frame->type = NGX_QUIC_FT_MAX_DATA;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3791 frame->u.max_data.max_data = qc->streams.recv_max_data;
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3792
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3793 ngx_sprintf(frame->info, "MAX_DATA max_data:%d level=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3794 (int) frame->u.max_data.max_data, frame->level);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3795
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3796 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3797
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3798 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3799 "quic stream id 0x%xi recv: increased max data: %ui",
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3800 qs->id, qc->streams.recv_max_data);
7815 0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3801 }
0f9e9786b90d Added primitive flow control mechanisms. Vladimir Homutov <vl@nginx.com> parents: 7814 diff changeset	3802
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3803 return len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3804 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3805
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3806
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3807 static ssize_t
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3808 ngx_quic_stream_send(ngx_connection_t c, u_char buf, size_t size)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3809 {
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3810 u_char p, end;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3811 size_t fsize, limit, n, len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3812 uint64_t sent, unacked;
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3813 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3814 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3815 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3816 ngx_quic_connection_t *qc;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3817
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3818 qs = c->qs;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3819 pc = qs->parent;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3820 qc = pc->quic;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3821
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3822 if (qc->closing) {
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3823 return NGX_ERROR;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3824 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3825
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3826 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3827 "quic stream id 0x%xi send: %uz", qs->id, size);
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3828
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3829 /*
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3830 * 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: 7821 diff changeset	3831 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3832 */
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	3833 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3834 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3835
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3836 len = size;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3837 sent = c->sent;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3838 unacked = sent - qs->acked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3839
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3840 if (qc->streams.send_max_data == 0) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3841 qc->streams.send_max_data = qc->ctp.initial_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3842 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3843
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3844 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3845 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3846 "quic send hit buffer size");
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3847 len = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3848
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3849 } else if (unacked + len > NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3850 len = NGX_QUIC_STREAM_BUFSIZE - unacked;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3851 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3852
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3853 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: 7841 diff changeset	3854 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3855 "quic send hit MAX_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3856 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3857
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3858 } else if (qc->streams.sent + len > qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3859 len = qc->streams.send_max_data - qc->streams.sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3860 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3861
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3862 if (sent >= qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3863 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3864 "quic send hit MAX_STREAM_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3865 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3866
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3867 } else if (sent + len > qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3868 len = qs->send_max_data - sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3869 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3870
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3871 p = (u_char *) buf;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3872 end = (u_char *) buf + len;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3873 n = 0;
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3874
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3875 while (p < end) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3876
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3877 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3878
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3879 frame = ngx_quic_alloc_frame(pc, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3880 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3881 return 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3882 }
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3883
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3884 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3885
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3886 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3887 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3888 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3889 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3890 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3891
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3892 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3893 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3894 frame->u.stream.offset = c->sent;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3895 frame->u.stream.length = fsize;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3896 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3897
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3898 c->sent += fsize;
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3899 qc->streams.sent += fsize;
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3900 p += fsize;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3901 n += fsize;
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3902
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3903 ngx_sprintf(frame->info, "stream 0x%xi len=%ui level=%d",
7822 6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3904 qs->id, fsize, frame->level);
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3905
6481427ca3fc Respecting maximum packet size. Vladimir Homutov <vl@nginx.com> parents: 7821 diff changeset	3906 ngx_quic_queue_frame(qc, frame);
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3907 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3908
7842 fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3909 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3910 "quic send %uz of %uz, sent:%O, unacked:%uL",
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client. Roman Arutyunyan <arut@nginx.com> parents: 7841 diff changeset	3911 n, size, c->sent, (uint64_t) c->sent - qs->acked);
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3912
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3913 if (n != size) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3914 c->write->ready = 0;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3915 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3916
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3917 if (n == 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3918 return NGX_AGAIN;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3919 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3920
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	3921 return n;
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3922 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3923
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3924
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3925 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3926 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3927 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3928 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3929
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3930 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3931 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3932 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3933 ngx_quic_connection_t *qc;
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3934
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3935 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3936 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3937 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3938
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3939 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3940 "quic stream id 0x%xi cleanup", qs->id);
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3941
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3942 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
7825 d42b50d239f4 Fixed memory leak with reordered stream frames. Vladimir Homutov <vl@nginx.com> parents: 7823 diff changeset	3943 ngx_quic_free_frames(pc, &qs->fs.frames);
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3944
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3945 if (qc->closing) {
7832 ad3a6f069498 Added proper handling of connection close phases. Vladimir Homutov <vl@nginx.com> parents: 7831 diff changeset	3946 /* schedule handler call to continue ngx_quic_close_connection() */
7747 618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3947 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: 7746 diff changeset	3948 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3949 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish. Roman Arutyunyan <arut@nginx.com> parents: 7746 diff changeset	3950
7746 b364af7f9f3f Removed ngx_quic_stream_node_t. Roman Arutyunyan <arut@nginx.com> parents: 7745 diff changeset	3951 if ((qs->id & 0x03) == NGX_QUIC_STREAM_UNIDIRECTIONAL) {
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3952 /* do not send fin for client unidirectional streams */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3953 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3954 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3955
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3956 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3957 "quic stream id 0x%xi send fin", qs->id);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3958
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	3959 frame = ngx_quic_alloc_frame(pc, 0);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3960 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3961 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3962 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3963
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3964 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3965 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: 7703 diff changeset	3966 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3967 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3968 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3969
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3970 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3971 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3972 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3973 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3974 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3975
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3976 ngx_sprintf(frame->info, "stream 0x%xi fin=1 level=%d",
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	3977 qs->id, frame->level);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3978
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3979 ngx_quic_queue_frame(qc, frame);
7759 1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 7756 diff changeset	3980
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler. Roman Arutyunyan <arut@nginx.com> parents: 7756 diff changeset	3981 (void) ngx_quic_output(pc);
7705 5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3982 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3983
5ad7bffd3850 Send a FIN frame when QUIC stream is closed. Roman Arutyunyan <arut@nginx.com> parents: 7703 diff changeset	3984
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3985 static ngx_chain_t *
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3986 ngx_quic_stream_send_chain(ngx_connection_t c, ngx_chain_t in,
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3987 off_t limit)
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3988 {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3989 size_t len;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3990 ssize_t n;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3991 ngx_buf_t *b;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3992
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3993 for ( /* void */; in; in = in->next) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3994 b = in->buf;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3995
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3996 if (!ngx_buf_in_memory(b)) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3997 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3998 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	3999
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4000 if (ngx_buf_size(b) == 0) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4001 continue;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4002 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4003
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4004 len = b->last - b->pos;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4005
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4006 n = ngx_quic_stream_send(c, b->pos, len);
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4007
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4008 if (n == NGX_ERROR) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4009 return NGX_CHAIN_ERROR;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4010 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4011
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4012 if (n == NGX_AGAIN) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4013 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4014 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4015
7827 47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 7825 diff changeset	4016 b->pos += n;
47dac6e0521a Fixed QUIC buffer consumption in send_chain(). Roman Arutyunyan <arut@nginx.com> parents: 7825 diff changeset	4017
7691 714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4018 if (n != (ssize_t) len) {
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4019 return in;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4020 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4021 }
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4022
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4023 return NULL;
714a19dba6af Style and handlers. Vladimir Homutov <vl@nginx.com> parents: 7690 diff changeset	4024 }
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4025
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4026
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4027 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4028 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4029 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4030 u_char *p;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4031 ngx_queue_t *q;
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4032 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4033 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4034
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4035 if (size) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4036 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4037 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4038 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4039 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4040
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4041 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4042 p = NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4043 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4044
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4045 qc = c->quic;
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4046
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4047 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4048
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4049 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4050 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4051
e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4052 ngx_queue_remove(&frame->queue);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4053
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4054 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4055 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4056 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4057 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4058
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4059 } else {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4060 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4061 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4062 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4063 return NULL;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4064 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4065
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4066 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4067 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4068 #endif
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4069
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4070 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4071 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4072 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4073 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4074 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4075
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4076 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4077
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4078 frame->data = p;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4079
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4080 return frame;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4081 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4082
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4083
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4084 static void
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4085 ngx_quic_congestion_ack(ngx_connection_t c, ngx_quic_frame_t f)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4086 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4087 ssize_t n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4088 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4089 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4090 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4091
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4092 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4093 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4094
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4095 n = ngx_quic_create_frame(NULL, f);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4096
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4097 cg->in_flight -= n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4098
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4099 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4100
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4101 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4102 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4103 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4104
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4105 if (cg->window < cg->ssthresh) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4106 cg->window += n;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4107
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4108 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4109 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4110 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4111
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4112 } else {
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	4113 cg->window += qc->tp.max_udp_payload_size * n / cg->window;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4114
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4115 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4116 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4117 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4118 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4119
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4120 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4121
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4122 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4123
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4124 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4125 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4126 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4127 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4128
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4129
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4130 static void
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4131 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent)
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4132 {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4133 ngx_msec_t timer;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4134 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4135 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4136
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4137 qc = c->quic;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4138 cg = &qc->congestion;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4139
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4140 timer = sent - cg->recovery_start;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4141
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4142 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4143 return;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4144 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4145
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4146 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4147 cg->window /= 2;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4148
7910 125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28. Sergey Kandaurov <pluknet@nginx.com> parents: 7908 diff changeset	4149 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: 7908 diff changeset	4150 cg->window = qc->tp.max_udp_payload_size * 2;
7841 eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4151 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4152
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4153 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4154
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4155 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4156 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4157 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4158 }
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4159
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4160
eee307399229 QUIC basic congestion control. Roman Arutyunyan <arut@nginx.com> parents: 7840 diff changeset	4161 static void
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4162 ngx_quic_free_frame(ngx_connection_t c, ngx_quic_frame_t frame)
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4163 {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4164 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4165
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4166 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4167
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4168 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4169 ngx_free(frame->data);
7871 df18ae7161b8 Assorted fixes. Sergey Kandaurov <pluknet@nginx.com> parents: 7870 diff changeset	4170 frame->data = NULL;
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4171 }
c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4172
7774 e10b4c61420f Implemented retransmission and retransmit queue. Vladimir Homutov <vl@nginx.com> parents: 7773 diff changeset	4173 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4174
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4175 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4176 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836 2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4177 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup. Vladimir Homutov <vl@nginx.com> parents: 7833 diff changeset	4178 #endif
7752 c7185bc5b4d9 QUIC frames reuse. Roman Arutyunyan <arut@nginx.com> parents: 7751 diff changeset	4179 }

Mercurial > hg > nginx-quic

annotate src/event/ngx_event_quic.c @ 7938:3b5fbf1bcdee quic