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annotate src/event/quic/ngx_event_quic.c @ 8750:41807e581de9 quic

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QUIC: separate files for stream related processing.
author Vladimir Homutov <vl@nginx.com>
date Tue, 13 Apr 2021 14:40:00 +0300
parents 660c4a2f95f3
children bc910a5ec737
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8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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3 * Copyright (C) Nginx, Inc.
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4 */
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5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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6
8171
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
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9 #include <ngx_event.h>
8747
c8bda5e1e662 QUIC: headers cleanup.
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10 #include <ngx_sha1.h>
8736
714e9af983de QUIC: separate header for ngx_quic_connection_t.
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11 #include <ngx_event_quic_connection.h>
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12
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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13
8697
faa3201ff351 QUIC: improved setting the lost timer.
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14 #define ngx_quic_lost_threshold(qc) \
faa3201ff351 QUIC: improved setting the lost timer.
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15 ngx_max(NGX_QUIC_TIME_THR * ngx_max((qc)->latest_rtt, (qc)->avg_rtt), \
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16 NGX_QUIC_TIME_GRANULARITY)
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17
8333
167d32476737 Crypto buffer frames reordering.
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18 /*
167d32476737 Crypto buffer frames reordering.
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19 * 7.4. Cryptographic Message Buffering
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20 * Implementations MUST support buffering at least 4096 bytes of data
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21 */
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22 #define NGX_QUIC_MAX_BUFFERED 65535
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23
8562
b31c02454539 QUIC: added stateless reset support.
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24 /*
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25 * Endpoints MUST discard packets that are too small to be valid QUIC
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26 * packets. With the set of AEAD functions defined in [QUIC-TLS],
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27 * packets that are smaller than 21 bytes are never valid.
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28 */
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29 #define NGX_QUIC_MIN_PKT_LEN 21
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30
b31c02454539 QUIC: added stateless reset support.
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31 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 random + 16 srt + 22 padding */
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32 #define NGX_QUIC_MAX_SR_PACKET 1200
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33
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
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34 #define NGX_QUIC_MAX_ACK_GAP 2
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35
8307
dc7ac778aafe Introduced packet namespace in QUIC connection.
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36
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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37 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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38 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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39 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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40 const uint8_t *secret, size_t secret_len);
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41 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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42 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
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43 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
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44 #else
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45 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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46 enum ssl_encryption_level_t level, const uint8_t *read_secret,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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47 const uint8_t *write_secret, size_t secret_len);
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48 #endif
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49
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50 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
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51 enum ssl_encryption_level_t level, const uint8_t *data, size_t len);
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52 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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53 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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diff changeset
54 enum ssl_encryption_level_t level, uint8_t alert);
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55
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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56
8701
ba9e34c03968 QUIC: added check of client transport parameters.
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57 static ngx_int_t ngx_quic_apply_transport_params(ngx_connection_t *c,
ba9e34c03968 QUIC: added check of client transport parameters.
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parents: 8698
diff changeset
58 ngx_quic_tp_t *ctp);
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
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parents: 8560
diff changeset
59 static ngx_quic_connection_t *ngx_quic_new_connection(ngx_connection_t *c,
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
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60 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8562
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61 static ngx_int_t ngx_quic_send_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support.
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62 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
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63 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support.
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parents: 8561
diff changeset
64 ngx_quic_header_t *pkt);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
65 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support.
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parents: 8519
diff changeset
66 ngx_quic_header_t *inpkt);
8686
dffb66fb783b QUIC: stateless retry.
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diff changeset
67 static ngx_int_t ngx_quic_send_retry(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry.
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68 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
dffb66fb783b QUIC: stateless retry.
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diff changeset
69 static ngx_int_t ngx_quic_new_token(ngx_connection_t *c, u_char *key,
dffb66fb783b QUIC: stateless retry.
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diff changeset
70 ngx_str_t *token, ngx_str_t *odcid, time_t expires, ngx_uint_t is_retry);
dffb66fb783b QUIC: stateless retry.
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71 static void ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port,
dffb66fb783b QUIC: stateless retry.
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72 u_char buf[20]);
8383
7ea34e13937f Address validation using Retry packets.
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diff changeset
73 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
8686
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parents: 8676
diff changeset
74 u_char *key, ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
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75 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
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76 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
77 static void ngx_quic_input_handler(ngx_event_t *rev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
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parents: 8350
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78
8355
ad3a6f069498 Added proper handling of connection close phases.
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diff changeset
79 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases.
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parents: 8354
diff changeset
80 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8225
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81
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
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82 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b,
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
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83 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
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84 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
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85 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
86 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
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diff changeset
87 ngx_quic_header_t *pkt);
8686
dffb66fb783b QUIC: stateless retry.
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diff changeset
88 static ngx_int_t ngx_quic_send_early_cc(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
89 ngx_quic_header_t *inpkt, ngx_uint_t err, const char *reason);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
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parents: 8559
diff changeset
90 static void ngx_quic_discard_ctx(ngx_connection_t *c,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
91 enum ssl_encryption_level_t level);
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
92 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
93 ngx_quic_header_t *pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
94 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
8225
714a19dba6af Style and handlers.
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parents: 8224
diff changeset
95 ngx_quic_header_t *pkt);
8596
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
96 static ngx_int_t ngx_quic_ack_packet(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
97 ngx_quic_header_t *pkt);
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
98 static ngx_int_t ngx_quic_send_ack_range(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8595
diff changeset
99 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
100 static void ngx_quic_drop_ack_ranges(ngx_connection_t *c,
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
101 ngx_quic_send_ctx_t *ctx, uint64_t pn);
8596
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8595
diff changeset
102 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
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103 ngx_quic_send_ctx_t *ctx);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
104 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
105 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225
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106
714a19dba6af Style and handlers.
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107 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
108 ngx_quic_header_t *pkt, ngx_quic_frame_t *f);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
109 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
110 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
111 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
112 static void ngx_quic_rtt_sample(ngx_connection_t *c, ngx_quic_ack_frame_t *ack,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
113 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
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114
76839f55bc48 Sorted functions and functions declarations.
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parents: 8334
diff changeset
115 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
116 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
8749
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8748
diff changeset
117 ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
118 ngx_quic_frame_t *frame, void *data);
8750
41807e581de9 QUIC: separate files for stream related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8749
diff changeset
119
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
120 static ngx_uint_t ngx_quic_get_padding_level(ngx_connection_t *c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
121 static ngx_int_t ngx_quic_generate_ack(ngx_connection_t *c,
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
122 ngx_quic_send_ctx_t *ctx);
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
123 static ssize_t ngx_quic_output_packet(ngx_connection_t *c,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
124 ngx_quic_send_ctx_t *ctx, u_char *data, size_t max, size_t min);
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
125 static ssize_t ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
126
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
127 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
128 ngx_quic_send_ctx_t *ctx);
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
129 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
130 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
131 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
132 static void ngx_quic_set_lost_timer(ngx_connection_t *c);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
133 static void ngx_quic_resend_frames(ngx_connection_t *c,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
134 ngx_quic_send_ctx_t *ctx);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
135 static void ngx_quic_push_handler(ngx_event_t *ev);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
136
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
137 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
138 ngx_quic_frame_t *frame);
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
139 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
140 ngx_quic_frame_t *frame);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
141
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
142
8674
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
143 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
144 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
145 NULL,
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
146 NULL
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
147 };
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
148
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
149
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
150 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
151 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
152 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
153 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
154 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
155 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
156 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
157 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
158 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
159 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
160 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
161 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
162 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
163 };
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
164
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
165
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
166 static SSL_QUIC_METHOD quic_method = {
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
167 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
168 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
169 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
170 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
171 ngx_quic_set_encryption_secrets,
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
172 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
173 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
174 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
175 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
176 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
177
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
178
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
179 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
180
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
181 static void
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
182 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
183 {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
184 u_char *p, *last;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
185 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
186 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
187
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
188 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
189 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
190
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
191 qc = ngx_quic_get_connection(c);
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
192
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
193 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
194
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
195 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
196
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
197 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
198 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
199 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
200
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
201 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
202 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
203 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
204 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
205
8724
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
206 p = ngx_slprintf(p, last, "%s", qc->shutdown ? " shutdown" : "");
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
207 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
208 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
209 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
210 p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
211
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
212 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
213 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
214 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
215
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
216 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
217 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
218 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
219 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
220 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
221
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
222 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
223
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
224 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
225 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
226 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
227 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
228
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
229 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
230 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
231 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
232 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
233
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
234 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
235 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
236 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
237 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
238 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
239
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
240 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
241 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
242 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
243
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
244 #else
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
245
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
246 #define ngx_quic_connstate_dbg(c)
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
247
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
248 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
249
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
250
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
251 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
252
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
253 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
254 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
255 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
256 const uint8_t *rsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
257 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
258 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
259 ngx_quic_connection_t *qc;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
260
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
261 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
262 qc = ngx_quic_get_connection(c);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
263
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
264 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
265 "quic ngx_quic_set_read_secret() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
266 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
267 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
268 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
269 secret_len, rsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
270 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
271
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
272 return ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
273 cipher, rsecret, secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
274 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
275
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
276
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
277 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
278 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
279 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
280 const uint8_t *wsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
281 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
282 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
283 ngx_quic_connection_t *qc;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
284
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
285 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
286 qc = ngx_quic_get_connection(c);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
287
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
288 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
289 "quic ngx_quic_set_write_secret() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
290 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
291 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
292 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
293 secret_len, wsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
294 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
295
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
296 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
297 cipher, wsecret, secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
298 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
299
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
300 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
301
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
302 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
303 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
304 enum ssl_encryption_level_t level, const uint8_t *rsecret,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
305 const uint8_t *wsecret, size_t secret_len)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
306 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
307 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
308 const SSL_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
309 ngx_quic_connection_t *qc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
310
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
311 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
312 qc = ngx_quic_get_connection(c);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
313
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
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: 8359
diff changeset
315 "quic ngx_quic_set_encryption_secrets() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
316 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
317 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
318 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
319 secret_len, rsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
320 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
321
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
322 cipher = SSL_get_current_cipher(ssl_conn);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
323
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
324 if (ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
325 cipher, rsecret, secret_len)
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
326 != 1)
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
327 {
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
328 return 0;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
329 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
330
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
331 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
332 return 1;
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
333 }
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
334
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
335 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
336 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
337 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
338 secret_len, wsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
339 #endif
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
340
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
341 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
342 cipher, wsecret, secret_len);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
343 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
344
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
345 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
346
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
347
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
348 static int
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
349 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
350 enum ssl_encryption_level_t level, const uint8_t *data, size_t len)
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
351 {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
352 u_char *p, *end;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
353 size_t client_params_len;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
354 const uint8_t *client_params;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
355 ngx_quic_tp_t ctp;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
356 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
357 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
358 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
359 ngx_quic_frames_stream_t *fs;
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
360
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
361 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
362 qc = ngx_quic_get_connection(c);
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
363
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
364 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
365 "quic ngx_quic_add_handshake_data");
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
366
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
367 if (!qc->client_tp_done) {
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
368 /*
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
369 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
370 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
371 * here;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
372 */
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
373
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
374 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
375 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
376 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
377 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
378
8619
bb3f4f669417 QUIC: passing ssl_conn to SSL_get0_alpn_selected() directly.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8617
diff changeset
379 SSL_get0_alpn_selected(ssl_conn, &data, &len);
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
380
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
381 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
382 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
383 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
384
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
385 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
386 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
387 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
388 }
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
389 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
390 #endif
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
391
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
392 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
393 &client_params_len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
394
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
395 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
396 "quic SSL_get_peer_quic_transport_params():"
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
397 " params_len:%ui", client_params_len);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
398
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
399 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
400 /* quic-tls 8.2 */
8447
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8446
diff changeset
401 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
402 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
403
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
404 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
405 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
406 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
407 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
408
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
409 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
410 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
411
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
412 /* defaults for parameters not sent by client */
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
413 ngx_memcpy(&ctp, &qc->ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
414
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
415 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log)
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
416 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
417 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
418 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
419 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
420
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
421 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
422 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
423
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
424 if (ngx_quic_apply_transport_params(c, &ctp) != NGX_OK) {
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
425 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
426 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
427
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
428 qc->client_tp_done = 1;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
429 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
430
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
431 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
432
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
433 frame = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
434 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
435 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
436 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
437
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
438 frame->data = ngx_quic_copy_buf(c, (u_char *) data, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
439 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
440 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
441 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
442
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
443 frame->level = level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
444 frame->type = NGX_QUIC_FT_CRYPTO;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
445 frame->u.crypto.offset = fs->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
446 frame->u.crypto.length = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
447
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
448 fs->sent += len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
449
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
450 ngx_quic_queue_frame(qc, frame);
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
451
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
452 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
453 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
454
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
455
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
456 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
457 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
458 {
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
459 #if (NGX_DEBUG)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
460 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
461
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
462 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
463
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
464 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
465 "quic ngx_quic_flush_flight()");
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
466 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
467 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
468 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
469
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
470
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
471 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
472 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
473 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
474 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
475 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
476 ngx_quic_connection_t *qc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
477
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
478 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
479
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
480 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
481 "quic ngx_quic_send_alert() lvl:%d alert:%d",
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
482 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
483
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
484 qc = ngx_quic_get_connection(c);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
485 if (qc == NULL) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
486 return 1;
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
487 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
488
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
489 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
490 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
491 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
492 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
493 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
494
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
495 if (ngx_quic_send_cc(c) != NGX_OK) {
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
496 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
497 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
498
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
499 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
500 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
501
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
502
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
503 static ngx_int_t
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
504 ngx_quic_apply_transport_params(ngx_connection_t *c, ngx_quic_tp_t *ctp)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
505 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
506 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
507
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
508 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
509
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
510 if (qc->scid.len != ctp->initial_scid.len
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
511 || ngx_memcmp(qc->scid.data, ctp->initial_scid.data, qc->scid.len) != 0)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
512 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
513 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
514 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
515 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
516 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
517
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
518 if (ctp->max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
519 || ctp->max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
520 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
521 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
522 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
523
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
524 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
525 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
526 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
527
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
528 } else if (ctp->max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
529 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
530 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
531 "quic client maximum packet size truncated");
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
532 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
533
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
534 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
535 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
536 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
537
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
538 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
539 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
540 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
541 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
542
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
543 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
544 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
545 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
546
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
547 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
548 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
549 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
550 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
551
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
552 if (ctp->max_ack_delay > 16384) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
553 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
554 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
555
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
556 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
557 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
558 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
559 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
560
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
561 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
562 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
563 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
564 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
565 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
566
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
567 qc->streams.server_max_streams_bidi = ctp->initial_max_streams_bidi;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
568 qc->streams.server_max_streams_uni = ctp->initial_max_streams_uni;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
569
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
570 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
571
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
572 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
573 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
574
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
575
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
576 void
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
577 ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
578 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
579 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
580 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
581
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
582 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
583
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
584 rc = ngx_quic_input(c, c->buffer, conf);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
585 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
586 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
587 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
588 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
589
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
590 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
591
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
592 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
593 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
594 return;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
595 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
596
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
597 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
598 ngx_quic_connstate_dbg(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
599
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
600 c->read->handler = ngx_quic_input_handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
601
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
602 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
603 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
604
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
605
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
606 static ngx_quic_connection_t *
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
607 ngx_quic_new_connection(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
608 ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
609 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
610 ngx_uint_t i;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
611 ngx_quic_tp_t *ctp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
612 ngx_quic_connection_t *qc;
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
613
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
614 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
615 if (qc == NULL) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
616 return NULL;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
617 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
618
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
619 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
620 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
621 return NULL;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
622 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
623
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
624 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
625
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
626 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
627 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
628
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
629 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
630 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
631 ngx_queue_init(&qc->send_ctx[i].sent);
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
632 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
633 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
634 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
635 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
636 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
637
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
638 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
639 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
640 qc->send_ctx[2].level = ssl_encryption_application;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
641
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
642 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
643 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
644 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
645
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
646 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
647
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
648 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
649 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
650 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
651
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
652 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
653 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
654 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
655
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
656 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
657
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
658 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
659 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
660 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
661 qc->pto.cancelable = 1;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
662
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
663 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
664 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
665 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
666 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
667
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
668 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
669 qc->tp = conf->tp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
670
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
671 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
672 qc->sockaddr = ngx_palloc(c->pool, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
673 if (qc->sockaddr == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
674 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
675 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
676
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
677 ngx_memcpy(qc->sockaddr, c->sockaddr, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
678 qc->socklen = c->socklen;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
679 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
680
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
681 ctp = &qc->ctp;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
682
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
683 /* defaults to be used before actual client parameters are received */
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
684 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
685 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
686 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
687 ctp->active_connection_id_limit = 2;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
688
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
689 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
690
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
691 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
692 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
693
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
694 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
695 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
696 14720));
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
697 qc->congestion.ssthresh = (size_t) -1;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
698 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
699
8746
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
700 if (pkt->validated && pkt->retried) {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
701 qc->tp.retry_scid.len = pkt->dcid.len;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
702 qc->tp.retry_scid.data = ngx_pstrdup(c->pool, &pkt->dcid);
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
703 if (qc->tp.retry_scid.data == NULL) {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
704 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
705 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
706 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
707
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
708 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &pkt->dcid,
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
709 qc->version)
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
710 != NGX_OK)
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
711 {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
712 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
713 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
714
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
715 qc->validated = pkt->validated;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
716
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
717 if (ngx_quic_setup_connection_ids(c, qc, pkt) != NGX_OK) {
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
718 return NULL;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
719 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
720
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
721 return qc;
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
722 }
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
723
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
724
0c628de2e2b7 QUIC: separate function for connection ids initialization.
Vladimir Homutov <vl@nginx.com>
parents: 8745
diff changeset
725 static ngx_int_t
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
726 ngx_quic_send_stateless_reset(ngx_connection_t *c, ngx_quic_conf_t *conf,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
727 ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
728 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
729 u_char *token;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
730 size_t len, max;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
731 uint16_t rndbytes;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
732 u_char buf[NGX_QUIC_MAX_SR_PACKET];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
733
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
734 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
735 "quic handle stateless reset output");
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
736
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
737 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
738 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
739 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
740
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
741 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
742 len = pkt->len - 1;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
743
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
744 } else {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
745 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
746
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
747 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
748 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
749 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
750
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
751 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1))
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
752 + NGX_QUIC_MIN_SR_PACKET;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
753 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
754
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
755 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
756 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
757 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
758
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
759 buf[0] &= ~NGX_QUIC_PKT_LONG;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
760 buf[0] |= NGX_QUIC_PKT_FIXED_BIT;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
761
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
762 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
763
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
764 if (ngx_quic_new_sr_token(c, &pkt->dcid, conf->sr_token_key, token)
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
765 != NGX_OK)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
766 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
767 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
768 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
769
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
770 (void) ngx_quic_send(c, buf, len);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
771
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
772 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
773 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
774
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
775
8748
e0cb1e58ca13 QUIC: separate files for connection id related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8747
diff changeset
776 ngx_int_t
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
777 ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid, u_char *secret,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
778 u_char *token)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
779 {
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
780 ngx_str_t tmp;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
781
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
782 tmp.data = secret;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
783 tmp.len = NGX_QUIC_SR_KEY_LEN;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
784
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
785 if (ngx_quic_derive_key(c->log, "sr_token_key", &tmp, cid, token,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
786 NGX_QUIC_SR_TOKEN_LEN)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
787 != NGX_OK)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
788 {
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
789 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
790 }
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
791
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
792 #if (NGX_DEBUG)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
793 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
794 "quic stateless reset token %*xs",
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
795 (size_t) NGX_QUIC_SR_TOKEN_LEN, token);
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
796 #endif
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
797
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
798 return NGX_OK;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
799 }
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
800
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
801
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
802 static ngx_int_t
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
803 ngx_quic_process_stateless_reset(ngx_connection_t *c, ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
804 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
805 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
806 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
807 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
808 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
809 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
810
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
811 qc = ngx_quic_get_connection(c);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
812
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
813 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
814 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
815 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
816 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
817
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
818 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
819
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
820 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
821 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
822 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
823 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
824 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
825
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
826 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
827 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
828 continue;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
829 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
830
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
831 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
832
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
833 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
834 ch |= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
835 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
836
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
837 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
838 return NGX_OK;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
839 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
840 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
841
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
842 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
843 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
844
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
845
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
846 static ngx_int_t
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
847 ngx_quic_negotiate_version(ngx_connection_t *c, ngx_quic_header_t *inpkt)
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
848 {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
849 size_t len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
850 ngx_quic_header_t pkt;
8625
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
851 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
852
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
853 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
854 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
855
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
856 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
857 pkt.flags = NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
858 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
859 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
860
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
861 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
862
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
863 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
864 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
865 "quic vnego packet to send len:%uz %*xs", len, len, buf);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
866 #endif
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
867
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
868 (void) ngx_quic_send(c, buf, len);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
869
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
870 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
871 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
872
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
873
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
874 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
875 ngx_quic_send_retry(ngx_connection_t *c, ngx_quic_conf_t *conf,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
876 ngx_quic_header_t *inpkt)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
877 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
878 time_t expires;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
879 ssize_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
880 ngx_str_t res, token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
881 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
882
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
883 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
884 u_char dcid[NGX_QUIC_SERVER_CID_LEN];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
885
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
886 expires = ngx_time() + NGX_QUIC_RETRY_TOKEN_LIFETIME;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
887
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
888 if (ngx_quic_new_token(c, conf->av_token_key, &token, &inpkt->dcid,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
889 expires, 1)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
890 != NGX_OK)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
891 {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
892 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
893 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
894
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
895 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
896 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_RETRY;
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
897 pkt.version = inpkt->version;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
898 pkt.log = c->log;
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
899
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
900 pkt.odcid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
901 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
902
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
903 /* TODO: generate routable dcid */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
904 if (RAND_bytes(dcid, NGX_QUIC_SERVER_CID_LEN) != 1) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
905 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
906 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
907
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
908 pkt.scid.len = NGX_QUIC_SERVER_CID_LEN;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
909 pkt.scid.data = dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
910
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
911 pkt.token = token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
912
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
913 res.data = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
914
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
915 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
916 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
917 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
918
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
919 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
920 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
921 "quic packet to send len:%uz %xV", res.len, &res);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
922 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
923
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
924 len = ngx_quic_send(c, res.data, res.len);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
925 if (len == NGX_ERROR) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
926 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
927 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
928
8744
fa24745b8c06 QUIC: fixed debug message macro.
Vladimir Homutov <vl@nginx.com>
parents: 8737
diff changeset
929 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
fa24745b8c06 QUIC: fixed debug message macro.
Vladimir Homutov <vl@nginx.com>
parents: 8737
diff changeset
930 "quic retry packet sent to %xV", &pkt.dcid);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
931
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
932 /*
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
933 * quic-transport 17.2.5.1: A server MUST NOT send more than one Retry
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
934 * packet in response to a single UDP datagram.
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
935 * NGX_DONE will stop quic_input() from processing further
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
936 */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
937 return NGX_DONE;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
938 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
939
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
940
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
941 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
942 ngx_quic_new_token(ngx_connection_t *c, u_char *key, ngx_str_t *token,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
943 ngx_str_t *odcid, time_t exp, ngx_uint_t is_retry)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
944 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
945 int len, iv_len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
946 u_char *p, *iv;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
947 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
948 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
949
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
950 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
951
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
952 ngx_quic_address_hash(c, !is_retry, in);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
953
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
954 p = in + 20;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
955
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
956 p = ngx_cpymem(p, &exp, sizeof(time_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
957
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
958 *p++ = is_retry ? 1 : 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
959
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
960 if (odcid) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
961 *p++ = odcid->len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
962 p = ngx_cpymem(p, odcid->data, odcid->len);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
963
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
964 } else {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
965 *p++ = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
966 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
967
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
968 len = p - in;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
969
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
970 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
971 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
972
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
973 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
974 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
975 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
976 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
977 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
978
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
979 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
980 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
981 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
982 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
983
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
984 iv = token->data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
985
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
986 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
987 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
988 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
989 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
990 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
991 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
992
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
993 token->len = iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
994
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
995 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
996 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
997 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
998 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
999
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1000 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1001
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1002 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1003 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1004 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1005 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1006
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1007 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1008
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1009 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1010
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1011 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1012 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1013 "quic new token len:%uz %xV", token->len, token);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1014 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1015
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1016 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1017 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1018
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1019
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1020 static void
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1021 ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port, u_char buf[20])
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1022 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1023 size_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1024 u_char *data;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1025 ngx_sha1_t sha1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1026 struct sockaddr_in *sin;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1027 #if (NGX_HAVE_INET6)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1028 struct sockaddr_in6 *sin6;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1029 #endif
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1030
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1031 len = (size_t) c->socklen;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1032 data = (u_char *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1033
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1034 if (no_port) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1035 switch (c->sockaddr->sa_family) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1036
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1037 #if (NGX_HAVE_INET6)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1038 case AF_INET6:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1039 sin6 = (struct sockaddr_in6 *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1040
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1041 len = sizeof(struct in6_addr);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1042 data = sin6->sin6_addr.s6_addr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1043
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1044 break;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1045 #endif
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1046
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1047 case AF_INET:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1048 sin = (struct sockaddr_in *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1049
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1050 len = sizeof(in_addr_t);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1051 data = (u_char *) &sin->sin_addr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1052
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1053 break;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1054 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1055 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1056
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1057 ngx_sha1_init(&sha1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1058 ngx_sha1_update(&sha1, data, len);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1059 ngx_sha1_final(buf, &sha1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1060 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1061
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1062
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1063 static ngx_int_t
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1064 ngx_quic_validate_token(ngx_connection_t *c, u_char *key,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1065 ngx_quic_header_t *pkt)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1066 {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1067 int len, tlen, iv_len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1068 u_char *iv, *p;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1069 time_t now, exp;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1070 size_t total;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1071 ngx_str_t odcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1072 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1073 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1074
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1075 u_char addr_hash[20];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1076 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1077
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1078 /* Retry token or NEW_TOKEN in a previous connection */
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1079
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1080 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1081 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1082 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1083
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1084 /* sanity checks */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1085
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1086 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1087 goto garbage;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1088 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1089
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1090 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1091 goto garbage;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1092 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1093
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1094 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1095 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1096 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1097 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1098
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1099 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1100 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1101 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1102 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1103
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1104 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1105 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1106
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1107 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1108 EVP_CIPHER_CTX_free(ctx);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1109 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1110 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1111 total = len;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1112
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1113 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1114 EVP_CIPHER_CTX_free(ctx);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1115 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1116 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1117 total += tlen;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1118
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1119 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1120
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1121 if (total < (20 + sizeof(time_t) + 2)) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1122 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1123 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1124
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1125 p = tdec + 20;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1126
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1127 ngx_memcpy(&exp, p, sizeof(time_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1128 p += sizeof(time_t);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1129
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1130 pkt->retried = (*p++ == 1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1131
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1132 ngx_quic_address_hash(c, !pkt->retried, addr_hash);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1133
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1134 if (ngx_memcmp(tdec, addr_hash, 20) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1135 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1136 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1137
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1138 odcid.len = *p++;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1139 if (odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1140 if (odcid.len > NGX_QUIC_MAX_CID_LEN) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1141 goto bad_token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1142 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1143
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1144 if ((size_t)(tdec + total - p) < odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1145 goto bad_token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1146 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1147
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1148 odcid.data = p;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1149 p += odcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1150 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1151
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1152 now = ngx_time();
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1153
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1154 if (now > exp) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1155 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1156 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1157 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1158
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1159 if (odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1160 pkt->odcid.len = odcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1161 pkt->odcid.data = ngx_pstrdup(c->pool, &odcid);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1162 if (pkt->odcid.data == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1163 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1164 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1165
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1166 } else {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1167 pkt->odcid = pkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1168 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1169
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1170 pkt->validated = 1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1171
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1172 return NGX_OK;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1173
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1174 garbage:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1175
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1176 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic garbage token");
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1177
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1178 return NGX_ABORT;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1179
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1180 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1181
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1182 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1183
8622
183275308d9a QUIC: fixed address validation issues in a new connection.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8621
diff changeset
1184 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1185 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1186
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1187
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1188 static ngx_int_t
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
1189 ngx_quic_init_connection(ngx_connection_t *c)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1190 {
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1191 u_char *p;
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1192 size_t clen;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1193 ssize_t len;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1194 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1195 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1196
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1197 qc = ngx_quic_get_connection(c);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1198
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1199 if (ngx_ssl_create_connection(qc->conf->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1200 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1201 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1202
8655
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8652
diff changeset
1203 c->ssl->no_wait_shutdown = 1;
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8652
diff changeset
1204
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1205 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1206
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1207 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1208 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1209 "quic SSL_set_quic_method() failed");
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1210 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1211 }
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1212
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1213 #ifdef SSL_READ_EARLY_DATA_SUCCESS
8564
b52b2a33b0e5 QUIC: fixed build with OpenSSL after bed310672f39.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8563
diff changeset
1214 if (SSL_CTX_get_max_early_data(qc->conf->ssl->ctx)) {
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1215 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1216 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1217 #endif
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1218
8717
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1219 #if BORINGSSL_API_VERSION >= 13
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1220 SSL_set_quic_use_legacy_codepoint(ssl_conn, qc->version != 1);
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1221 #endif
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1222
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1223 if (ngx_quic_new_sr_token(c, &qc->dcid, qc->conf->sr_token_key,
8634
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1224 qc->tp.sr_token)
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1225 != NGX_OK)
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1226 {
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1227 return NGX_ERROR;
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1228 }
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1229
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1230 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1231 "quic stateless reset token %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1232 (size_t) NGX_QUIC_SR_TOKEN_LEN, qc->tp.sr_token);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1233
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1234 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1235 /* always succeeds */
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1236
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1237 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1238 if (p == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1239 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1240 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1241
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1242 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1243 if (len < 0) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1244 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1245 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1246
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1247 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1248 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1249 "quic transport parameters len:%uz %*xs", len, len, p);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1250 #endif
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1251
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1252 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1253 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1254 "quic SSL_set_quic_transport_params() failed");
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1255 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1256 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1257
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1258 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1259 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1260 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1261 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1262 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1263 }
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1264 #endif
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1265
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1266 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1267 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1268
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1269
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1270 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1271 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1272 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1273 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1274
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1275 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1276 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1277 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1278 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1279 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1280
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1281 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1282 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1283
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1284
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1285 static void
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1286 ngx_quic_input_handler(ngx_event_t *rev)
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1287 {
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1288 ngx_int_t rc;
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1289 ngx_buf_t *b;
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1290 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1291 ngx_quic_connection_t *qc;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1292
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1293 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1294
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1295 c = rev->data;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1296 qc = ngx_quic_get_connection(c);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1297
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1298 c->log->action = "handling quic input";
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1299
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1300 if (rev->timedout) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1301 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1302 "quic client timed out");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1303 ngx_quic_close_connection(c, NGX_DONE);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1304 return;
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1305 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1306
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1307 if (c->close) {
8442
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1308 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1309 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1310 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1311 }
8220
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8218
diff changeset
1312
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1313 if (!rev->ready) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1314 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1315 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1316 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1317 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1318 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1319
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1320 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1321 if (c->socklen != qc->socklen
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1322 || ngx_memcmp(c->sockaddr, qc->sockaddr, c->socklen) != 0)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1323 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1324 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1325 "quic dropping packet from new address");
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1326 return;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1327 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1328 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1329
8734
c61fcdc1b8e3 UDP: extended datagram context.
Vladimir Homutov <vl@nginx.com>
parents: 8730
diff changeset
1330 b = c->udp->dgram->buffer;
8730
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1331
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1332 qc->received += (b->last - b->pos);
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1333
90ae21799f67 QUIC: do not copy input data.
Roman Arutyunyan <arut@nginx.com>
parents: 8724
diff changeset
1334 rc = ngx_quic_input(c, b, NULL);
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1335
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1336 if (rc == NGX_ERROR) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1337 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1338 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1339 }
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1340
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1341 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1342 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1343 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1344
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1345 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1346
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1347 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1348 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1349
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1350 ngx_quic_connstate_dbg(c);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1351 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1352
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1353
8736
714e9af983de QUIC: separate header for ngx_quic_connection_t.
Vladimir Homutov <vl@nginx.com>
parents: 8735
diff changeset
1354 void
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1355 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1356 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1357 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1358 ngx_quic_connection_t *qc;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1359
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1360 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1361 "quic ngx_quic_close_connection rc:%i", rc);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1362
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1363 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1364
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1365 if (qc == NULL) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1366 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1367 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1368 "quic close connection early error");
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1369 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1370
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1371 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1372 return;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1373 }
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1374
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1375 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1376 (void) ngx_ssl_shutdown(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1377 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1378
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1379 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1380 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1381 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1382
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1383 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1384 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1385 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1386
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1387 c->destroyed = 1;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1388
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1389 pool = c->pool;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1390
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1391 ngx_close_connection(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1392
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1393 ngx_destroy_pool(pool);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1394 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1395
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1396
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1397 static ngx_int_t
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1398 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1399 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1400 ngx_uint_t i;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1401 ngx_queue_t *q;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1402 ngx_quic_send_ctx_t *ctx;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1403 ngx_quic_server_id_t *sid;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1404 ngx_quic_connection_t *qc;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1405
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1406 qc = ngx_quic_get_connection(c);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1407
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1408 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1409
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1410 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1411 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8652
e9bd4305e68b QUIC: fixed send contexts cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8651
diff changeset
1412 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1413 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1414
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1415 if (rc == NGX_DONE) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1416
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1417 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1418 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1419 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1420 * If the idle timeout is enabled by either peer, a connection is
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1421 * silently closed and its state is discarded when it remains idle
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1422 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1423
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1424 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1425 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1426 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1427
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1428 } else {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1429
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1430 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1431 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1432 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1433 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1434 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1435 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1436
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1437 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1438 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1439
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1440 if (rc == NGX_OK) {
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1441 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1442 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1443 qc->draining);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1444
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1445 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1446 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1447 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1448 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1449
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1450 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1451
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1452 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1453
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1454 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1455
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1456 } else {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1457 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1458 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1459 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1460
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1461 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1462 "quic immediate close due to %s error: %ui %s",
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1463 qc->error_app ? "app " : "", qc->error,
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1464 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1465 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1466
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1467 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1468
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1469 if (qc->error_level == ssl_encryption_handshake) {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1470 /* for clients that might not have handshake keys */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1471 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1472 (void) ngx_quic_send_cc(c);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1473 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1474 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1475
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1476 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1477 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1478
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1479 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1480 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1481 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1482 }
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1483
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1484 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1485 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1486 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1487
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1488 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1489 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1490 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1491
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1492 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1493 ngx_del_timer(&qc->pto);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1494 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1495
8434
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1496 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1497 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1498 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1499
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1500 while (!ngx_queue_empty(&qc->server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1501 q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1502 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1503
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1504 ngx_queue_remove(q);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1505 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1506 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1507 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1508
8553
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1509 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1510 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1511 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1512
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1513 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1514 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1515
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1516 /* may be tested from SSL callback during SSL shutdown */
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1517 c->udp = NULL;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1518
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1519 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1520 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1521
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1522
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1523 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1524 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1525 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1526 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1527 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1528
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1529 qc = ngx_quic_get_connection(c);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1530 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1531 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1532 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1533 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1534
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1535 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1536 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1537
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1538
8724
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1539 void
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1540 ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1541 const char *reason)
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1542 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1543 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1544
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1545 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1546 qc->shutdown = 1;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1547 qc->shutdown_code = err;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1548 qc->shutdown_reason = reason;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1549
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1550 ngx_quic_shutdown_quic(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1551 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1552
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
1553
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1554 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1555 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1556 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1557 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1558
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1559 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1560
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1561 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1562 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1563 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1564
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1565
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1566 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1567 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b, ngx_quic_conf_t *conf)
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1568 {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1569 u_char *p;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1570 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1571 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1572 ngx_quic_header_t pkt;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1573
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1574 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1575
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1576 p = b->pos;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1577
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1578 while (p < b->last) {
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1579
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1580 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1581 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1582 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1583 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1584 pkt.log = c->log;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1585 pkt.flags = p[0];
8559
a89a58c642ef QUIC: simplified packet header parsing.
Vladimir Homutov <vl@nginx.com>
parents: 8558
diff changeset
1586 pkt.raw->pos++;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1587
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1588 rc = ngx_quic_process_packet(c, conf, &pkt);
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1589
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1590 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1591 if (pkt.parsed) {
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1592 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
1593 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1594 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1595 pkt.pn, pkt.error, rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1596 } else {
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1597 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
1598 "quic packet done parse failed rc:%i", rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1599 }
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1600 #endif
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1601
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1602 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1603 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1604 }
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1605
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1606 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1607 /* stop further processing */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1608 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1609 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1610
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1611 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1612 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1613 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1614
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1615 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1616
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1617 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1618 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1619 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1620 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1621 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1622 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1623 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1624 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1625 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1626 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1627 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1628 * attempt to process the remaining packets.
8535
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
1629 *
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
1630 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
1631 * or cannot be parsed properly.
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1632 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1633
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1634 /* b->pos is at header end, adjust by actual packet length */
8558
0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents: 8557
diff changeset
1635 b->pos = pkt.data + pkt.len;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1636
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1637 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1638 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1639 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1640 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1641
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1642 p = b->pos;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1643 }
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1644
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1645 return good ? NGX_OK : NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1646 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1647
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1649 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1650 ngx_quic_process_packet(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1651 ngx_quic_header_t *pkt)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1652 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1653 ngx_int_t rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1654 ngx_quic_connection_t *qc;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1655
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1656 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1657
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1658 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1659
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1660 if (rc == NGX_DECLINED || rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1661 return rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1662 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1663
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1664 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1665
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1666 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1667
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1668 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1669 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1670 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1671
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
1672 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
1673 if (pkt->level != ssl_encryption_application) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1674 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1675 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1676 pkt->scid.len, &pkt->scid);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
1677 }
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
1678
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
1679 if (pkt->level == ssl_encryption_initial) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1680 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1681 "quic address validation token len:%uz %xV",
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1682 pkt->token.len, &pkt->token);
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
1683 }
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
1684 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
1685
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1686 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1687
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1688 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1689
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1690 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1691 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1692 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1693 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1694 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1695
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1696 if (pkt->level != ssl_encryption_application) {
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1697
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1698 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1699 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1700 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1701 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1702 }
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1703
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1704 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1705 return NGX_DECLINED;
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1706 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1707
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1708 } else {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1709
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1710 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1711 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1712 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1713
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1714 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1715 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1716
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1717 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
1718 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1719 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1720
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1721 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1722 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1723
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1724 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1725
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1726 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1727 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1728 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1729
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1730 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1731 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1732 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1733
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1734 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1735 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1736 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1737
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1738 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1739
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1740 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1741 /* 7.2. Negotiating Connection IDs */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1742 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1743 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1744 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1745 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1746 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1747
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1748 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1749
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1750 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1751
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1752 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1753
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1754 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1755 /* internal error */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1756 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1757
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1758 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1759 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1760 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1761 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1762 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1763 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1764 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1765
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1766 if (pkt->retried) {
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1767 /* invalid address validation token */
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1768 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1769 NGX_QUIC_ERR_INVALID_TOKEN,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1770 "invalid address validation token");
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1771 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1772 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1773 return ngx_quic_send_retry(c, conf, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1774 }
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1775 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1776
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1777 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1778
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1779 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1780 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1781
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1782 } else {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1783 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1784 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1785
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1786 if (ngx_terminate || ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1787 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1788 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1789 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1790
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1791 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1792 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1793
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1794 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1795
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1796 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1797 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1798 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1799 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1800
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1801 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1802 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1803
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1804
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1805 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1806 ngx_quic_process_payload(ngx_connection_t *c, ngx_quic_header_t *pkt)
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1807 {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1808 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1809 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1810 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1811 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1812
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1813 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1814
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1815 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1816 qc->error_reason = 0;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1817
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1818 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1819
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1820 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1821 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1822 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1823 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1824 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1825
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1826 pkt->keys = qc->keys;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1827 pkt->key_phase = qc->key_phase;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1828 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1829
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1830 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1831
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1832 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1833 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1834 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1835 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1836 return rc;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1837 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1838
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1839 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
1840
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1841 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1842 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1843 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1844 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1845 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1846
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1847 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1848 /*
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1849 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1850 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1851 */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1852 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
1853
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
1854 if (qc->validated == 0) {
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
1855 qc->validated = 1;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1856 ngx_post_event(&qc->push, &ngx_posted_events);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
1857 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1858 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1859
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1860 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1861 /*
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1862 * 10.1 Closing and Draining Connection States
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1863 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1864 *
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1865 * An endpoint retains only enough information to generate
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1866 * a packet containing a CONNECTION_CLOSE frame and to identify
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1867 * packets as belonging to the connection.
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1868 */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1869
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1870 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1871 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1872 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1873 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1874 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1875
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1876 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1877 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1878
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
1879 pkt->received = ngx_current_msec;
8574
1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8573
diff changeset
1880
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1881 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1882
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1883 if (pkt->level != ssl_encryption_application) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1884 return ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1885 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1886
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1887 if (!pkt->key_update) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1888 return ngx_quic_handle_frames(c, pkt);
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1889 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1890
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1891 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1892
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1893 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1894 ngx_quic_keys_switch(c, qc->keys);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1895
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
1896 rc = ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1897 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1898 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1899 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1900
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1901 return ngx_quic_keys_update(c, qc->keys);
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1902 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1903
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1904
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1905 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1906 ngx_quic_send_early_cc(ngx_connection_t *c, ngx_quic_header_t *inpkt,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1907 ngx_uint_t err, const char *reason)
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1908 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1909 ssize_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1910 ngx_str_t res;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1911 ngx_quic_frame_t frame;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1912 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1913
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1914 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1915 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1916
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1917 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1918 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1919
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1920 frame.level = inpkt->level;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1921 frame.type = NGX_QUIC_FT_CONNECTION_CLOSE;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1922 frame.u.close.error_code = err;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1923
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1924 frame.u.close.reason.data = (u_char *) reason;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1925 frame.u.close.reason.len = ngx_strlen(reason);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1926
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1927 len = ngx_quic_create_frame(NULL, &frame);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1928 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1929 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1930 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1931
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1932 ngx_quic_log_frame(c->log, &frame, 1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1933
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1934 len = ngx_quic_create_frame(src, &frame);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1935 if (len == -1) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1936 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1937 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1938
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1939 pkt.keys = ngx_quic_keys_new(c->pool);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1940 if (pkt.keys == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1941 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1942 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1943
8710
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
1944 if (ngx_quic_keys_set_initial_secret(c->pool, pkt.keys, &inpkt->dcid,
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
1945 inpkt->version)
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1946 != NGX_OK)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1947 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1948 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1949 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1950
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1951 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1952 | NGX_QUIC_PKT_INITIAL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1953
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1954 pkt.num_len = 1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1955 /*
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1956 * pkt.num = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1957 * pkt.trunc = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1958 */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1959
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1960 pkt.version = inpkt->version;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1961 pkt.log = c->log;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1962 pkt.level = inpkt->level;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1963 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1964 pkt.scid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1965 pkt.payload.data = src;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1966 pkt.payload.len = len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1967
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1968 res.data = dst;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1969
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1970 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1971 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1972 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1973
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1974 if (ngx_quic_send(c, res.data, res.len) == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1975 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1976 }
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1977
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1978 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1979 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1980
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1981
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1982 static void
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1983 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1984 {
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1985 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1986 ngx_quic_frame_t *f;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1987 ngx_quic_send_ctx_t *ctx;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1988 ngx_quic_connection_t *qc;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1989
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1990 qc = ngx_quic_get_connection(c);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1991
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1992 if (!ngx_quic_keys_available(qc->keys, level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1993 return;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1994 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1995
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1996 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1997
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1998 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1999
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2000 ctx = ngx_quic_get_send_ctx(qc, level);
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2001
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2002 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2003 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2004 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2005
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2006 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2007 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2008 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2009 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2010
8612
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2011 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2012 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2013 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2014
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2015 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2016 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2017 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2018 }
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2019
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2020 if (level == ssl_encryption_initial) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2021 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2022 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2023
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2024 ctx->send_ack = 0;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
2025
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
2026 ngx_quic_set_lost_timer(c);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2027 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2028
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2029
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2030 static ngx_int_t
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2031 ngx_quic_check_csid(ngx_quic_connection_t *qc, ngx_quic_header_t *pkt)
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2032 {
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2033 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2034 ngx_quic_client_id_t *cid;
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
2035
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2036 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2037 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2038 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2039 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2040 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2041
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2042 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2043 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2044 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2045 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2046 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2047 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2048
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2049 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2050 return NGX_ERROR;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2051 }
8171
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2052
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2053
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2054 static ngx_int_t
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2055 ngx_quic_handle_frames(ngx_connection_t *c, ngx_quic_header_t *pkt)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2056 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2057 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2058 ssize_t len;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2059 ngx_buf_t buf;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2060 ngx_uint_t do_close;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2061 ngx_chain_t chain;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2062 ngx_quic_frame_t frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2063 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2064
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2065 qc = ngx_quic_get_connection(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2066
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2067 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2068 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2069
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2070 do_close = 0;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2071
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2072 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2073
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2074 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2075
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2076 ngx_memzero(&buf, sizeof(ngx_buf_t));
8659
d9f673d18e9b QUIC: set the temporary flag for input frame buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8658
diff changeset
2077 buf.temporary = 1;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2078
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2079 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2080 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2081 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2082
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8239
diff changeset
2083 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
2084
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2085 if (len < 0) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2086 qc->error = pkt->error;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2087 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2088 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2089
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2090 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2091
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2092 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2093
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2094 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2095
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2096 switch (frame.type) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2097
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2098 case NGX_QUIC_FT_ACK:
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2099 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2100 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2101 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2102
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2103 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2104
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2105 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2106 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2107 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2108
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2109 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2110 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2111 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2112 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2113 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2114
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2115 /* got there with ack-eliciting packet */
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2116 pkt->need_ack = 1;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2117
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2118 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2119
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2120 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2121
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2122 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2123 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2124 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2125
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2126 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2127
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2128 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2129 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2130
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2131 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2132 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2133 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2134 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2135 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2136 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2137 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2138 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2139
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2140 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2141 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2142 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2143
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2144 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2145
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2146 case NGX_QUIC_FT_MAX_DATA:
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2147
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2148 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2149 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2150 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2151 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2152
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2153 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2154
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2155 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2156 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2157
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2158 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2159 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2160 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2161 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2162 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2163 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2164
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2165 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2166
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2167 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2168
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2169 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2170 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2171 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2172 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2173 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2174 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2175
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2176 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2177
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2178 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2179
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2180 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2181 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2182 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2183 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2184 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2185 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2186
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2187 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2188
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2189 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2190
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2191 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2192 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2193 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2194 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2195 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2196 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2197
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2198 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2199
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2200 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2201
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2202 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2203 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2204 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2205 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2206 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2207 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2208
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2209 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2210
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2211 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2212 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2213
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2214 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2215 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2216 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2217 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2218 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2219
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2220 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2221
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2222 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2223
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2224 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2225 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2226 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2227 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2228 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2229 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2230
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2231 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2232
8737
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2233 case NGX_QUIC_FT_PATH_RESPONSE:
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2234
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2235 if (ngx_quic_handle_path_response_frame(c, pkt,
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2236 &frame.u.path_response)
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2237 != NGX_OK)
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2238 {
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2239 return NGX_ERROR;
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2240 }
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2241
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2242 break;
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2243
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2244 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2245
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2246 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2247 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2248 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2249 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2250 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2251
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2252 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2253
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2254 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2255
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2256 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2257 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2258 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2259 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2260 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2261 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2262
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2263 break;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2264
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2265 default:
8346
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 8345
diff changeset
2266 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2267 "quic missing frame handler");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2268 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2269 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2270 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2271
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2272 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2273 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2274 "quic trailing garbage in payload:%ui bytes", end - p);
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2275
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2276 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2277 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2278 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2279
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2280 if (do_close) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2281 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2282 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2283 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2284
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2285 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2286 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2287 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2288
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2289 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2290 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2291
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2292
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2293 static ngx_int_t
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2294 ngx_quic_ack_packet(ngx_connection_t *c, ngx_quic_header_t *pkt)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2295 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2296 uint64_t base, largest, smallest, gs, ge, gap, range, pn;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2297 uint64_t prev_pending;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2298 ngx_uint_t i, nr;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2299 ngx_quic_send_ctx_t *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2300 ngx_quic_ack_range_t *r;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2301 ngx_quic_connection_t *qc;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2302
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2303 c->log->action = "preparing ack";
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2304
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2305 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2306
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2307 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2308
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2309 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
2310 "quic ngx_quic_ack_packet pn:%uL largest %L fr:%uL"
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
2311 " nranges:%ui", pkt->pn, (int64_t) ctx->largest_range,
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2312 ctx->first_range, ctx->nranges);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2313
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2314 prev_pending = ctx->pending_ack;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2315
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2316 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2317
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2318 ngx_post_event(&qc->push, &ngx_posted_events);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2319
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2320 if (ctx->send_ack == 0) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2321 ctx->ack_delay_start = ngx_current_msec;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2322 }
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2323
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2324 ctx->send_ack++;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2325
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2326 if (ctx->pending_ack == NGX_QUIC_UNSET_PN
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2327 || ctx->pending_ack < pkt->pn)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2328 {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2329 ctx->pending_ack = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2330 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2331 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2332
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2333 base = ctx->largest_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2334 pn = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2335
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2336 if (base == NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2337 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2338 ctx->largest_received = pkt->received;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2339 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2340 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2341
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2342 if (base == pn) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2343 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2344 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2345
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2346 largest = base;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2347 smallest = largest - ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2348
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2349 if (pn > base) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2350
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2351 if (pn - base == 1) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2352 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2353 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2354 ctx->largest_received = pkt->received;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2355
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2356 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2357
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2358 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2359 /* new gap in front of current largest */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2360
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2361 /* no place for new range, send current range as is */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2362 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2363
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2364 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2365 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2366 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2367 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2368 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2369
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2370 if (prev_pending == ctx->pending_ack || !pkt->need_ack) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2371 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2372 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2373 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2374
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2375 gap = pn - base - 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2376 range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2377
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2378 ctx->first_range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2379 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2380 ctx->largest_received = pkt->received;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2381
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2382 /* packet is out of order, force send */
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2383 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2384 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2385 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2386
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2387 i = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2388
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2389 goto insert;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2390 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2391 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2392
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2393 /* pn < base, perform lookup in existing ranges */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2394
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2395 /* packet is out of order */
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2396 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2397 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2398 }
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2399
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2400 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2401 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2402 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2403
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2404 #if (NGX_SUPPRESS_WARN)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2405 r = NULL;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2406 #endif
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2407
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2408 for (i = 0; i < ctx->nranges; i++) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2409 r = &ctx->ranges[i];
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2410
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2411 ge = smallest - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2412 gs = ge - r->gap;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2413
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2414 if (pn >= gs && pn <= ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2415
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2416 if (gs == ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2417 /* gap size is exactly one packet, now filled */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2418
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2419 /* data moves to previous range, current is removed */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2420
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2421 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2422 ctx->first_range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2423
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2424 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2425 ctx->ranges[i - 1].range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2426 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2427
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2428 nr = ctx->nranges - i - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2429 if (nr) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2430 ngx_memmove(&ctx->ranges[i], &ctx->ranges[i + 1],
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2431 sizeof(ngx_quic_ack_range_t) * nr);
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2432 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2433
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2434 ctx->nranges--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2435
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2436 } else if (pn == gs) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2437 /* current gap shrinks from tail (current range grows) */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2438 r->gap--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2439 r->range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2440
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2441 } else if (pn == ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2442 /* current gap shrinks from head (previous range grows) */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2443 r->gap--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2444
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2445 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2446 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2447
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2448 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2449 ctx->ranges[i - 1].range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2450 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2451
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2452 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2453 /* current gap is split into two parts */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2454
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2455 gap = ge - pn - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2456 range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2457
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2458 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2459 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2460 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2461 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2462 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2463 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2464
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2465 if (prev_pending == ctx->pending_ack || !pkt->need_ack) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2466 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2467 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2468 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2469
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2470 r->gap = pn - gs - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2471 goto insert;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2472 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2473
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2474 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2475 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2476
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2477 largest = smallest - r->gap - 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2478 smallest = largest - r->range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2479
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2480 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2481 /* this packet number is already known */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2482 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2483 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2484
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2485 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2486
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2487 if (pn == smallest - 1) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2488 /* extend first or last range */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2489
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2490 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2491 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2492
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2493 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2494 r->range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2495 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2496
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2497 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2498 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2499
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2500 /* nothing found, add new range at the tail */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2501
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2502 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2503 /* packet is too old to keep it */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2504
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2505 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2506 return ngx_quic_send_ack_range(c, ctx, pn, pn);
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2507 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2508
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2509 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2510 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2511
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2512 gap = smallest - 2 - pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2513 range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2514
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2515 insert:
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2516
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2517 if (ctx->nranges < NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2518 ctx->nranges++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2519 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2520
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2521 ngx_memmove(&ctx->ranges[i + 1], &ctx->ranges[i],
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2522 sizeof(ngx_quic_ack_range_t) * (ctx->nranges - i - 1));
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2523
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2524 ctx->ranges[i].gap = gap;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2525 ctx->ranges[i].range = range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2526
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2527 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2528 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2529
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2530
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2531 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2532 ngx_quic_send_ack_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2533 uint64_t smallest, uint64_t largest)
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2534 {
8745
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2535 ngx_quic_frame_t *frame;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2536 ngx_quic_connection_t *qc;
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2537
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2538 qc = ngx_quic_get_connection(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2539
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2540 frame = ngx_quic_alloc_frame(c);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2541 if (frame == NULL) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2542 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2543 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2544
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2545 frame->level = ctx->level;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2546 frame->type = NGX_QUIC_FT_ACK;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2547 frame->u.ack.largest = largest;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2548 frame->u.ack.delay = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2549 frame->u.ack.range_count = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2550 frame->u.ack.first_range = largest - smallest;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2551
8745
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2552 ngx_quic_queue_frame(qc, frame);
0b94e2df6389 QUIC: fixed ngx_quic_send_ack_range() function.
Vladimir Homutov <vl@nginx.com>
parents: 8744
diff changeset
2553
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2554 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2555 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2556
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2557
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2558 static void
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2559 ngx_quic_drop_ack_ranges(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2560 uint64_t pn)
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2561 {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2562 uint64_t base;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2563 ngx_uint_t i, smallest, largest;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2564 ngx_quic_ack_range_t *r;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2565
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2566 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2567 "quic ngx_quic_drop_ack_ranges pn:%uL largest:%uL"
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2568 " fr:%uL nranges:%ui", pn, ctx->largest_range,
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2569 ctx->first_range, ctx->nranges);
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2570
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2571 base = ctx->largest_range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2572
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2573 if (base == NGX_QUIC_UNSET_PN) {
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2574 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2575 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2576
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2577 if (ctx->pending_ack != NGX_QUIC_UNSET_PN && pn >= ctx->pending_ack) {
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2578 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2579 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2580
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2581 largest = base;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2582 smallest = largest - ctx->first_range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2583
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2584 if (pn >= largest) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2585 ctx->largest_range = NGX_QUIC_UNSET_PN;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2586 ctx->first_range = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2587 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2588 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2589 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2590
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2591 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2592 ctx->first_range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2593 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2594 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2595 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2596
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2597 for (i = 0; i < ctx->nranges; i++) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2598 r = &ctx->ranges[i];
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2599
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2600 largest = smallest - r->gap - 2;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2601 smallest = largest - r->range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2602
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2603 if (pn >= largest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2604 ctx->nranges = i;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2605 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2606 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2607 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2608 r->range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2609 ctx->nranges = i + 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2610 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2611 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2612 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2613 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2614
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2615
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2616 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2617 ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2618 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2619 size_t len, left;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2620 uint64_t ack_delay;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2621 ngx_buf_t *b;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2622 ngx_uint_t i;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2623 ngx_chain_t *cl, **ll;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2624 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2625 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2626
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2627 qc = ngx_quic_get_connection(c);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2628
8662
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
2629 ack_delay = ngx_current_msec - ctx->largest_received;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
2630 ack_delay *= 1000;
8693
3956bbf91002 QUIC: use server ack_delay_exponent when sending ack.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
2631 ack_delay >>= qc->tp.ack_delay_exponent;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2632
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2633 frame = ngx_quic_alloc_frame(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2634 if (frame == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2635 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2636 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2637
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2638 ll = &frame->data;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2639 b = NULL;
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
2640
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
2641 for (i = 0; i < ctx->nranges; i++) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2642 len = ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2643 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2644
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2645 left = b ? b->end - b->last : 0;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2646
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2647 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2648 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2649 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2650 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2651 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2652
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2653 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2654 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2655
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2656 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2657 left = b->end - b->last;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2658
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2659 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2660 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2661 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2662 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2663
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2664 b->last += ngx_quic_create_ack_range(b->last, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2665 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2666
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2667 frame->u.ack.ranges_length += len;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2668 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2669
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2670 *ll = NULL;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2671
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2672 frame->level = ctx->level;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2673 frame->type = NGX_QUIC_FT_ACK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2674 frame->u.ack.largest = ctx->largest_range;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2675 frame->u.ack.delay = ack_delay;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2676 frame->u.ack.range_count = ctx->nranges;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2677 frame->u.ack.first_range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2678
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2679 ngx_quic_queue_frame(qc, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2680
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
2681 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2682 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2683
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2684
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2685 static ngx_int_t
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2686 ngx_quic_send_cc(ngx_connection_t *c)
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2687 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2688 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2689 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2690
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2691 qc = ngx_quic_get_connection(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2692
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2693 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2694 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2695 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2696
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2697 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2698 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2699 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2700 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2701 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2702 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2703
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2704 frame = ngx_quic_alloc_frame(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2705 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2706 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2707 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2708
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2709 frame->level = qc->error_level;
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
2710 frame->type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
2711 : NGX_QUIC_FT_CONNECTION_CLOSE;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2712 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2713 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2714
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2715 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2716 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2717 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2718 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2719
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2720 ngx_quic_queue_frame(qc, frame);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2721
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2722 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2723
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2724 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2725 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2726
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2727
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2728 static ngx_int_t
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2729 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2730 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2731 time_t expires;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2732 ngx_str_t token;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2733 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2734 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2735
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2736 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2737
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2738 if (!qc->conf->retry) {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2739 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2740 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2741
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2742 expires = ngx_time() + NGX_QUIC_NEW_TOKEN_LIFETIME;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2743
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
2744 if (ngx_quic_new_token(c, qc->conf->av_token_key, &token, NULL, expires, 0)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2745 != NGX_OK)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2746 {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2747 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2748 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2749
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2750 frame = ngx_quic_alloc_frame(c);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2751 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2752 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2753 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2754
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2755 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2756 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2757 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2758 frame->u.token.data = token.data;
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2759
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2760 ngx_quic_queue_frame(qc, frame);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2761
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2762 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2763 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2764
8450
Vladimir Homutov <vl@nginx.com>
parents: 8447
diff changeset
2765
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2766 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2767 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2768 ngx_quic_frame_t *f)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2769 {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2770 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2771 u_char *pos, *end;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2772 uint64_t min, max, gap, range;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2773 ngx_msec_t send_time;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2774 ngx_uint_t i;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2775 ngx_quic_send_ctx_t *ctx;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2776 ngx_quic_ack_frame_t *ack;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2777 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2778
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2779 qc = ngx_quic_get_connection(c);
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2780
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2781 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2782
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2783 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2784 "quic ngx_quic_handle_ack_frame level:%d", pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2785
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2786 ack = &f->u.ack;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2787
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2788 /*
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2789 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2790 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2791 * (19.3.1)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2792 */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2793
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2794 if (ack->first_range > ack->largest) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2795 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2796 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2797 "quic invalid first range in ack frame");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2798 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2799 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2800
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2801 min = ack->largest - ack->first_range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2802 max = ack->largest;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2803
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2804 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2805 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2806 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2807 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2808 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2809
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2810 /* 13.2.3. Receiver Tracking of ACK Frames */
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2811 if (ctx->largest_ack < max || ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2812 ctx->largest_ack = max;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2813 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2814 "quic updated largest received ack:%uL", max);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2815
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2816 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2817 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2818 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2819 *
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2820 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2821 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2822 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2823
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2824 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2825 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2826 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2827 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2828
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2829 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2830 pos = f->data->buf->pos;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2831 end = f->data->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2832
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2833 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2834 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2835 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2836 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2837
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2838 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2839
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2840 n = ngx_quic_parse_ack_range(pkt->log, pos, end, &gap, &range);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2841 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2842 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2843 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2844 pos += n;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2845
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2846 if (gap + 2 > min) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2847 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2848 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
2849 "quic invalid range:%ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2850 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2851 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2852
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2853 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2854
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2855 if (range > max) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2856 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2857 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
2858 "quic invalid range:%ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2859 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2860 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2861
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2862 min = max - range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2863
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2864 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2865 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2866 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2867 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2868 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2869 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2870
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
2871 return ngx_quic_detect_lost(c);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2872 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2873
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2874
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2875 static ngx_int_t
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2876 ngx_quic_handle_ack_frame_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2877 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2878 {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2879 ngx_uint_t found;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2880 ngx_queue_t *q;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2881 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2882 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2883
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2884 qc = ngx_quic_get_connection(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2885
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2886 *send_time = NGX_TIMER_INFINITE;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2887 found = 0;
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2888
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2889 q = ngx_queue_last(&ctx->sent);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2890
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2891 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2892
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2893 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2894 q = ngx_queue_prev(q);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2895
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2896 if (f->pnum >= min && f->pnum <= max) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2897 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2898
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2899 switch (f->type) {
8600
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
2900 case NGX_QUIC_FT_ACK:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
2901 case NGX_QUIC_FT_ACK_ECN:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
2902 ngx_quic_drop_ack_ranges(c, ctx, f->u.ack.largest);
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
2903 break;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2904
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2905 case NGX_QUIC_FT_STREAM0:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2906 case NGX_QUIC_FT_STREAM1:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2907 case NGX_QUIC_FT_STREAM2:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2908 case NGX_QUIC_FT_STREAM3:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2909 case NGX_QUIC_FT_STREAM4:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2910 case NGX_QUIC_FT_STREAM5:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2911 case NGX_QUIC_FT_STREAM6:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2912 case NGX_QUIC_FT_STREAM7:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2913 ngx_quic_handle_stream_ack(c, f);
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2914 break;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
2915 }
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2916
8663
1823e2152fc4 QUIC: always calculate rtt for largest acknowledged packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8662
diff changeset
2917 if (f->pnum == max) {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2918 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2919 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2920
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2921 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2922 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2923 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2924 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2925 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2926
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2927 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2928
8437
4e75267865de QUIC: fixed off-by-one in frame range handler.
Vladimir Homutov <vl@nginx.com>
parents: 8436
diff changeset
2929 if (max < ctx->pnum) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2930 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2931 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2932 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2933
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2934 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401
Vladimir Homutov <vl@nginx.com>
parents: 8400
diff changeset
2935 "quic ACK for the packet not sent");
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2936
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2937 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2938 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2939 qc->error_reason = "unknown packet number";
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2940
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2941 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2942 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2943
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2944 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2945 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2946 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2947
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2948 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2949
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2950 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2951 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2952
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2953
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2954 static void
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2955 ngx_quic_rtt_sample(ngx_connection_t *c, ngx_quic_ack_frame_t *ack,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2956 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2957 {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2958 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2959 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2960
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2961 qc = ngx_quic_get_connection(c);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2962
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2963 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2964 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2965
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2966 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2967 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2968 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2969 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2970
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2971 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2972 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2973
8662
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
2974 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
2975
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
2976 if (c->ssl->handshaked) {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2977 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2978 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2979
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2980 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2981
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2982 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2983 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2984 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2985
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2986 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2987 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2988 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2989 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2990
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2991 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2992 "quic rtt sample latest:%M min:%M avg:%M var:%M",
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2993 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2994 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2995
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2996
8737
76f476ce4d31 QUIC: distinct files for connection migration.
Vladimir Homutov <vl@nginx.com>
parents: 8736
diff changeset
2997 ngx_msec_t
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2998 ngx_quic_pto(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2999 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3000 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3001 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3002
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3003 qc = ngx_quic_get_connection(c);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3004
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3005 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3006 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3007
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3008 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3009 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3010
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3011 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3012 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3013 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3014
8661
49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8660
diff changeset
3015 if (ctx->level == ssl_encryption_application && c->ssl->handshaked) {
49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8660
diff changeset
3016 duration += qc->ctp.max_ack_delay << qc->pto_count;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3017 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3018
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3019 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3020 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3021
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3022
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3023 static ngx_int_t
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3024 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3025 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3026 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3027 uint64_t last;
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3028 ngx_int_t rc;
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3029 ngx_quic_send_ctx_t *ctx;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3030 ngx_quic_connection_t *qc;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3031 ngx_quic_crypto_frame_t *f;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3032 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3033
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3034 qc = ngx_quic_get_connection(c);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3035 fs = &qc->crypto[pkt->level];
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3036 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3037
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3038 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3039 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3040
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3041 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3042 qc->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3043 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3044 }
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3045
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3046 rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3047 NULL);
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3048 if (rc != NGX_DECLINED) {
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3049 return rc;
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3050 }
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3051
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3052 /* speeding up handshake completion */
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3053
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3054 if (pkt->level == ssl_encryption_initial) {
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3055 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3056
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3057 if (!ngx_queue_empty(&ctx->sent)) {
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3058 ngx_quic_resend_frames(c, ctx);
8660
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3059
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3060 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3061 while (!ngx_queue_empty(&ctx->sent)) {
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3062 ngx_quic_resend_frames(c, ctx);
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3063 }
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3064 }
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3065 }
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3066
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3067 return NGX_OK;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3068 }
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3069
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3070
8749
660c4a2f95f3 QUIC: separate files for frames related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8748
diff changeset
3071 ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3072 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3073 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3074 int n, sslerr;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3075 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3076 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3077 ngx_ssl_conn_t *ssl_conn;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3078 ngx_quic_connection_t *qc;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3079
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3080 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3081
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3082 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3083
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3084 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3085 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3086 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3087 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3088
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3089 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3090 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3091
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3092 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3093 b->pos, b->last - b->pos))
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3094 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3095 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3096 "SSL_provide_quic_data() failed");
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3097 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3098 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3099 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3100
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3101 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3102
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3103 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3104 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3105 (int) SSL_quic_read_level(ssl_conn),
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3106 (int) SSL_quic_write_level(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3107
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3108 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3109
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3110 if (n <= 0) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3111 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3112
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3113 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3114 sslerr);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3115
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
3116 if (sslerr != SSL_ERROR_WANT_READ) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3117 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
3118 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3119 }
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3120
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3121 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3122 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3123
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3124 if (SSL_in_init(ssl_conn)) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3125 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3126 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3127
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3128 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3129 "quic ssl cipher:%s", SSL_get_cipher(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3130
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3131 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3132 "quic handshake completed successfully");
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3133
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3134 c->ssl->handshaked = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3135
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3136 frame = ngx_quic_alloc_frame(c);
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3137 if (frame == NULL) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3138 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3139 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3140
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3141 /* 12.4 Frames and frame types, figure 8 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3142 frame->level = ssl_encryption_application;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3143 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3144 ngx_quic_queue_frame(qc, frame);
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3145
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3146 if (ngx_quic_send_new_token(c) != NGX_OK) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3147 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3148 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3149
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3150 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3151 * Generating next keys before a key update is received.
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3152 * See quic-tls 9.4 Header Protection Timing Side-Channels.
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3153 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3154
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3155 if (ngx_quic_keys_update(c, qc->keys) != NGX_OK) {
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3156 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3157 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3158
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3159 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3160 * 4.10.2 An endpoint MUST discard its handshake keys
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3161 * when the TLS handshake is confirmed
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3162 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
3163 ngx_quic_discard_ctx(c, ssl_encryption_handshake);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3164
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
3165 if (ngx_quic_issue_server_ids(c) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
3166 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
3167 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
3168
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3169 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3170 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3171
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3172
8750
41807e581de9 QUIC: separate files for stream related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8749
diff changeset
3173 ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3174 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3175 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3176 off_t max;
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3177 size_t len, min, in_flight;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3178 ssize_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3179 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3180 ngx_uint_t i, pad;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3181 ngx_quic_send_ctx_t *ctx;
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3182 ngx_quic_congestion_t *cg;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3183 ngx_quic_connection_t *qc;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3184 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3185
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3186 c->log->action = "sending frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3187
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3188 qc = ngx_quic_get_connection(c);
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3189 cg = &qc->congestion;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3190
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3191 in_flight = cg->in_flight;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3192
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3193 for ( ;; ) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3194 p = dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3195
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3196 len = ngx_min(qc->ctp.max_udp_payload_size,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3197 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3198
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3199 if (!qc->validated) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3200 max = qc->received * 3;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3201 max = (c->sent >= max) ? 0 : max - c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3202 len = ngx_min(len, (size_t) max);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3203 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3204
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3205 pad = ngx_quic_get_padding_level(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3206
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3207 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3208
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3209 ctx = &qc->send_ctx[i];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3210
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3211 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3212 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3213 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3214
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3215 min = (i == pad && p - dst < NGX_QUIC_MIN_INITIAL_SIZE)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3216 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3217
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3218 n = ngx_quic_output_packet(c, ctx, p, len, min);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3219 if (n == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3220 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3221 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3222
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3223 p += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3224 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3225 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3226
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3227 len = p - dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3228 if (len == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3229 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3230 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3231
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3232 n = ngx_quic_send(c, dst, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3233 if (n == NGX_ERROR) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3234 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3235 }
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3236 }
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3237
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3238 if (in_flight != cg->in_flight && !qc->send_timer_set && !qc->closing) {
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3239 qc->send_timer_set = 1;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
3240 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3241 }
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3242
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3243 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3244
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3245 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3246 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3247
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3248
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3249 static ngx_uint_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3250 ngx_quic_get_padding_level(ngx_connection_t *c)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3251 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3252 ngx_queue_t *q;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3253 ngx_quic_frame_t *f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3254 ngx_quic_send_ctx_t *ctx;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3255 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3256
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3257 /*
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3258 * 14.1. Initial Datagram Size
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3259 *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3260 * Similarly, a server MUST expand the payload of all UDP datagrams
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3261 * carrying ack-eliciting Initial packets to at least the smallest
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3262 * allowed maximum datagram size of 1200 bytes
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3263 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3264
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3265 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3266 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3267
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3268 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3269 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3270 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3271 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3272 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3273
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3274 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3275 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3276
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3277 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3278 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3279 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3280
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3281 return 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3282 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3283 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3284
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3285 return NGX_QUIC_SEND_CTX_LAST;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3286 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3287
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3288
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3289 static ngx_int_t
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3290 ngx_quic_generate_ack(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3291 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3292 ngx_msec_t delay;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3293 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3294
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3295 if (!ctx->send_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3296 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3297 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3298
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3299 if (ctx->level == ssl_encryption_application) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3300
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3301 delay = ngx_current_msec - ctx->ack_delay_start;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3302 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3303
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3304 if (ctx->send_ack < NGX_QUIC_MAX_ACK_GAP
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3305 && delay < qc->tp.max_ack_delay)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3306 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3307 if (!qc->push.timer_set && !qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3308 ngx_add_timer(&qc->push,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3309 qc->tp.max_ack_delay - delay);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3310 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3311
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3312 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3313 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3314 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3315
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3316 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3317 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3318 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3319
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3320 ctx->send_ack = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3321
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3322 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3323 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3324
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3325
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3326 static ssize_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3327 ngx_quic_output_packet(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3328 u_char *data, size_t max, size_t min)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3329 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3330 size_t len, hlen, pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3331 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3332 ssize_t flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3333 ngx_str_t out, res;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3334 ngx_int_t rc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3335 ngx_uint_t nframes;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3336 ngx_msec_t now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3337 ngx_queue_t *q;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3338 ngx_quic_frame_t *f;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3339 ngx_quic_header_t pkt;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3340 ngx_quic_congestion_t *cg;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3341 ngx_quic_connection_t *qc;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3342 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3343
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3344 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3345 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3346 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3347
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3348 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3349 "quic output %s packet max:%uz min:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3350 ngx_quic_level_name(ctx->level), max, min);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3351
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3352 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3353 cg = &qc->congestion;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3354
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3355 hlen = (ctx->level == ssl_encryption_application)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3356 ? NGX_QUIC_MAX_SHORT_HEADER
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3357 : NGX_QUIC_MAX_LONG_HEADER;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3358
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3359 hlen += EVP_GCM_TLS_TAG_LEN;
8590
44991d728899 QUIC: account packet header length in amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8589
diff changeset
3360 hlen -= NGX_QUIC_MAX_CID_LEN - qc->scid.len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3361
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3362 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3363
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3364 now = ngx_current_msec;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3365 nframes = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3366 p = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3367 len = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3368
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3369 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3370 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3371 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3372 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3373 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3374
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3375 if (!pkt.need_ack && f->need_ack && max > cg->window) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3376 max = cg->window;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3377 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3378
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3379 if (hlen + len >= max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3380 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3381 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3382
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3383 if (hlen + len + f->len > max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3384 rc = ngx_quic_split_frame(c, f, max - hlen - len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3385
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3386 if (rc == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3387 return NGX_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3388 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3389
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3390 if (rc == NGX_DECLINED) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3391 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3392 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3393 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3394
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3395 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3396 pkt.need_ack = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3397 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3398
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3399 ngx_quic_log_frame(c->log, f, 1);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3400
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3401 flen = ngx_quic_create_frame(p, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3402 if (flen == -1) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3403 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3404 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3405
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3406 len += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3407 p += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3408
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3409 f->pnum = ctx->pnum;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3410 f->first = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3411 f->last = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3412 f->plen = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3413
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3414 nframes++;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3415
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3416 if (f->flush) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3417 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3418 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3419 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3420
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3421 if (nframes == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3422 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3423 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3424
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3425 out.data = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3426 out.len = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3427
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3428 pkt.keys = qc->keys;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3429 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3430
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3431 if (ctx->level == ssl_encryption_initial) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3432 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3433
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3434 } else if (ctx->level == ssl_encryption_handshake) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3435 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3436
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3437 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3438 if (qc->key_phase) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3439 pkt.flags |= NGX_QUIC_PKT_KPHASE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3440 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3441 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3442
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3443 ngx_quic_set_packet_number(&pkt, ctx);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3444
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3445 pkt.version = qc->version;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3446 pkt.log = c->log;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3447 pkt.level = ctx->level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3448 pkt.dcid = qc->scid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3449 pkt.scid = qc->dcid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3450
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3451 pad_len = 4;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3452
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3453 if (min) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3454 hlen = EVP_GCM_TLS_TAG_LEN
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3455 + ngx_quic_create_header(&pkt, NULL, out.len, NULL);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3456
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3457 if (min > hlen + pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3458 pad_len = min - hlen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3459 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3460 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3461
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3462 if (out.len < pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3463 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3464 out.len = pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3465 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3466
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3467 pkt.payload = out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3468
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3469 res.data = data;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3470
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3471 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3472 "quic packet tx %s bytes:%ui"
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3473 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3474 ngx_quic_level_name(ctx->level), out.len, pkt.need_ack,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3475 pkt.number, pkt.num_len, pkt.trunc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3476
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3477 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3478 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3479 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3480
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3481 ctx->pnum++;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3482
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3483 if (pkt.need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3484 /* move frames into the sent queue to wait for ack */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3485
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3486 if (!qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3487 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3488 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3489 f->plen = res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3490
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3491 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3492 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3493 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3494 ngx_queue_insert_tail(&ctx->sent, q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3495 } while (--nframes);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3496 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3497
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3498 cg->in_flight += res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3499
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3500 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3501 "quic congestion send if:%uz", cg->in_flight);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3502 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3503
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3504 while (nframes--) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3505 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3506 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3507
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3508 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3509 ngx_quic_free_frame(c, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3510 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3511
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3512 return res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3513 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3514
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
3515
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3516 static ssize_t
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3517 ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len)
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3518 {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3519 ngx_buf_t b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3520 ngx_chain_t cl, *res;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3521
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3522 ngx_memzero(&b, sizeof(ngx_buf_t));
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3523
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3524 b.pos = b.start = buf;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3525 b.last = b.end = buf + len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3526 b.last_buf = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3527 b.temporary = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3528
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3529 cl.buf = &b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3530 cl.next= NULL;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3531
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3532 res = c->send_chain(c, &cl, 0);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3533 if (res == NGX_CHAIN_ERROR) {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3534 return NGX_ERROR;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3535 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3536
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3537 return len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3538 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3539
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
3540
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3541 static void
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3542 ngx_quic_set_packet_number(ngx_quic_header_t *pkt, ngx_quic_send_ctx_t *ctx)
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3543 {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3544 uint64_t delta;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3545
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3546 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3547 pkt->number = ctx->pnum;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3548
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3549 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3550 pkt->num_len = 1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3551 pkt->trunc = ctx->pnum & 0xff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3552
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3553 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3554 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3555 pkt->flags |= 0x1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3556 pkt->trunc = ctx->pnum & 0xffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3557
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3558 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3559 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3560 pkt->flags |= 0x2;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3561 pkt->trunc = ctx->pnum & 0xffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3562
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3563 } else {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3564 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3565 pkt->flags |= 0x3;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3566 pkt->trunc = ctx->pnum & 0xffffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3567 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3568 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3569
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3570
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3571 static void
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
3572 ngx_quic_pto_handler(ngx_event_t *ev)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3573 {
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3574 ngx_uint_t i;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3575 ngx_msec_t now;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3576 ngx_queue_t *q, *next;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3577 ngx_connection_t *c;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3578 ngx_quic_frame_t *f;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3579 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3580 ngx_quic_connection_t *qc;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3581
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
3582 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3583
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3584 c = ev->data;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3585 qc = ngx_quic_get_connection(c);
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3586 now = ngx_current_msec;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3587
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3588 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3589
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3590 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3591
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3592 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3593 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3594 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3595
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3596 q = ngx_queue_head(&ctx->sent);
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3597 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3598
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3599 if (f->pnum <= ctx->largest_ack
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3600 && ctx->largest_ack != NGX_QUIC_UNSET_PN)
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3601 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3602 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3603 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3604
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3605 if ((ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now) > 0) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3606 continue;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3607 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3608
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3609 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3610 "quic pto %s pto_count:%ui",
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3611 ngx_quic_level_name(ctx->level), qc->pto_count);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3612
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3613 for (q = ngx_queue_head(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3614 q != ngx_queue_sentinel(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3615 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3616 {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3617 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3618 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3619
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3620 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3621 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3622 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3623 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3624
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3625 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3626 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3627
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3628 for (q = ngx_queue_head(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3629 q != ngx_queue_sentinel(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3630 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3631 {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3632 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3633 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3634
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3635 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3636 ngx_quic_congestion_lost(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3637 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3638 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3639 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3640
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3641 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3642 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3643
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3644 /* enforce 2 udp datagrams */
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3645
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3646 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3647 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3648 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3649 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3650
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3651 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3652 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3653 f->flush = 1;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3654
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3655 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3656
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3657 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3658 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3659 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3660 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3661
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3662 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3663 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3664
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3665 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3666 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3667
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
3668 qc->pto_count++;
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3669
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3670 ngx_quic_connstate_dbg(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3671 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3672
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3673
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3674 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3675 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3676 {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3677 ngx_connection_t *c;
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3678
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3679 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3680
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3681 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3682
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3683 if (ngx_quic_output(c) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3684 ngx_quic_close_connection(c, NGX_ERROR);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3685 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3686 }
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3687
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3688 ngx_quic_connstate_dbg(c);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3689 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3690
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3691
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3692 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3693 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3694 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3695 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3696
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3697 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3698
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3699 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3700
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3701 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3702 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3703 }
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3704
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
3705 ngx_quic_connstate_dbg(c);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3706 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3707
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3708
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3709 static ngx_int_t
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3710 ngx_quic_detect_lost(ngx_connection_t *c)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3711 {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3712 ngx_uint_t i;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3713 ngx_msec_t now, wait, thr;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3714 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3715 ngx_quic_frame_t *start;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3716 ngx_quic_send_ctx_t *ctx;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3717 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3718
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3719 qc = ngx_quic_get_connection(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3720 now = ngx_current_msec;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3721 thr = ngx_quic_lost_threshold(qc);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3722
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3723 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3724
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3725 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3726
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3727 if (ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3728 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3729 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3730
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3731 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3732
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3733 q = ngx_queue_head(&ctx->sent);
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3734 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3735
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3736 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3737 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3738 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
3739
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3740 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3741
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3742 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8518
diff changeset
3743 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3744 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3745
8516
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
3746 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
3747 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
3748 {
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
3749 break;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3750 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3751
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3752 ngx_quic_resend_frames(c, ctx);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3753 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3754 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3755
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3756 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3757
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3758 return NGX_OK;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3759 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3760
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3761
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3762 static void
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3763 ngx_quic_set_lost_timer(ngx_connection_t *c)
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3764 {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3765 ngx_uint_t i;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3766 ngx_msec_t now;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3767 ngx_queue_t *q;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3768 ngx_msec_int_t lost, pto, w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3769 ngx_quic_frame_t *f;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3770 ngx_quic_send_ctx_t *ctx;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3771 ngx_quic_connection_t *qc;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3772
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3773 qc = ngx_quic_get_connection(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3774 now = ngx_current_msec;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3775
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3776 lost = -1;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3777 pto = -1;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3778
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3779 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3780 ctx = &qc->send_ctx[i];
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3781
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3782 if (ngx_queue_empty(&ctx->sent)) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3783 continue;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3784 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3785
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3786 if (ctx->largest_ack != NGX_QUIC_UNSET_PN) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3787 q = ngx_queue_head(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3788 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3789 w = (ngx_msec_int_t) (f->last + ngx_quic_lost_threshold(qc) - now);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3790
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3791 if (f->pnum <= ctx->largest_ack) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3792 if (w < 0 || ctx->largest_ack - f->pnum >= NGX_QUIC_PKT_THR) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3793 w = 0;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3794 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3795
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3796 if (lost == -1 || w < lost) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3797 lost = w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3798 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3799 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3800 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3801
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3802 q = ngx_queue_last(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3803 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3804 w = (ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3805
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3806 if (w < 0) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3807 w = 0;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3808 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3809
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3810 if (pto == -1 || w < pto) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3811 pto = w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3812 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3813 }
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3814
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3815 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3816 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3817 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3818
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3819 if (lost != -1) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3820 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3821 "quic lost timer lost:%M", lost);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3822
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3823 qc->pto.handler = ngx_quic_lost_handler;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3824 ngx_add_timer(&qc->pto, lost);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3825 return;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3826 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3827
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3828 if (pto != -1) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3829 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3830 "quic lost timer pto:%M", pto);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3831
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3832 qc->pto.handler = ngx_quic_pto_handler;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3833 ngx_add_timer(&qc->pto, pto);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3834 return;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3835 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3836
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
3837 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic lost timer unset");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3838 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3839
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3840
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3841 static void
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3842 ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3843 {
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3844 size_t n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3845 ngx_buf_t *b;
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3846 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3847 ngx_quic_frame_t *f, *start;
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3848 ngx_quic_stream_t *sn;
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3849 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3850
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3851 qc = ngx_quic_get_connection(c);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3852 q = ngx_queue_head(&ctx->sent);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3853 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3854
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3855 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3856 "quic resend packet pnum:%uL", start->pnum);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3857
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3858 ngx_quic_congestion_lost(c, start);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3859
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3860 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3861 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3862
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3863 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3864 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3865 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3866
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3867 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3868
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3869 ngx_queue_remove(&f->queue);
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3870
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3871 switch (f->type) {
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3872 case NGX_QUIC_FT_ACK:
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3873 case NGX_QUIC_FT_ACK_ECN:
8696
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
3874 if (ctx->level == ssl_encryption_application) {
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
3875 /* force generation of most recent acknowledgment */
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
3876 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
3877 }
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
3878
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3879 ngx_quic_free_frame(c, f);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3880 break;
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3881
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3882 case NGX_QUIC_FT_PING:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3883 case NGX_QUIC_FT_PATH_RESPONSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3884 case NGX_QUIC_FT_CONNECTION_CLOSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3885 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3886 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3887
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3888 case NGX_QUIC_FT_MAX_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3889 f->u.max_data.max_data = qc->streams.recv_max_data;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3890 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3891 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3892
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3893 case NGX_QUIC_FT_MAX_STREAMS:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3894 case NGX_QUIC_FT_MAX_STREAMS2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3895 f->u.max_streams.limit = f->u.max_streams.bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3896 ? qc->streams.client_max_streams_bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3897 : qc->streams.client_max_streams_uni;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3898 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3899 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3900
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3901 case NGX_QUIC_FT_MAX_STREAM_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3902 sn = ngx_quic_find_stream(&qc->streams.tree,
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3903 f->u.max_stream_data.id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3904 if (sn == NULL) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3905 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3906 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3907 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3908
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3909 b = sn->b;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3910 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3911
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3912 if (f->u.max_stream_data.limit < n) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3913 f->u.max_stream_data.limit = n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3914 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3915
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3916 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3917 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3918
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3919 case NGX_QUIC_FT_STREAM0:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3920 case NGX_QUIC_FT_STREAM1:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3921 case NGX_QUIC_FT_STREAM2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3922 case NGX_QUIC_FT_STREAM3:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3923 case NGX_QUIC_FT_STREAM4:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3924 case NGX_QUIC_FT_STREAM5:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3925 case NGX_QUIC_FT_STREAM6:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3926 case NGX_QUIC_FT_STREAM7:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3927 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3928
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3929 if (sn && sn->c->write->error) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3930 /* RESET_STREAM was sent */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3931 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3932 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3933 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3934
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3935 /* fall through */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
3936
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3937 default:
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3938 ngx_queue_insert_tail(&ctx->frames, &f->queue);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
3939 }
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3940
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3941 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3942
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3943 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3944 return;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3945 }
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3946
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
3947 ngx_post_event(&qc->push, &ngx_posted_events);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3948 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3949
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3950
8750
41807e581de9 QUIC: separate files for stream related processing.
Vladimir Homutov <vl@nginx.com>
parents: 8749
diff changeset
3951 void
8724
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3952 ngx_quic_shutdown_quic(ngx_connection_t *c)
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3953 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3954 ngx_rbtree_t *tree;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3955 ngx_rbtree_node_t *node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3956 ngx_quic_stream_t *qs;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3957 ngx_quic_connection_t *qc;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3958
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3959 qc = ngx_quic_get_connection(c);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3960
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3961 if (qc->closing) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3962 return;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3963 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3964
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3965 tree = &qc->streams.tree;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3966
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3967 if (tree->root != tree->sentinel) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3968 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3969 node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3970 node = ngx_rbtree_next(tree, node))
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3971 {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3972 qs = (ngx_quic_stream_t *) node;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3973
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3974 if (!qs->cancelable) {
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3975 return;
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3976 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3977 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3978 }
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3979
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8717
diff changeset
3980 ngx_quic_finalize_connection(c, qc->shutdown_code, qc->shutdown_reason);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3981 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3982
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3983
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3984
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3985 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3986 ngx_quic_congestion_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3987 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3988 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3989 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3990 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3991
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
3992 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
3993 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
3994 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
3995
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3996 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3997 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3998
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
3999 cg->in_flight -= f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4000
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4001 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4002
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4003 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4004 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
4005 "quic congestion ack recovery win:%uz ss:%z if:%uz",
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4006 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4007
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4008 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4009 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4010
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4011 if (cg->window < cg->ssthresh) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4012 cg->window += f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4013
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4014 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
4015 "quic congestion slow start win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4016 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4017
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4018 } else {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4019 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4020
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4021 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
4022 "quic congestion avoidance win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4023 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4024 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4025
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4026 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4027
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4028 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4029
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4030 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4031 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4032 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4033 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4034
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4035
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4036 static void
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4037 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_quic_frame_t *f)
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4038 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4039 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4040 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4041 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4042
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4043 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4044 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4045 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4046
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4047 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4048 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4049
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4050 cg->in_flight -= f->plen;
8612
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
4051 f->plen = 0;
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4052
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4053 timer = f->last - cg->recovery_start;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4054
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4055 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4056 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
4057 "quic congestion lost recovery win:%uz ss:%z if:%uz",
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4058 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4059
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4060 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4061 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4062
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4063 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4064 cg->window /= 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4065
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
4066 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
4067 cg->window = qc->tp.max_udp_payload_size * 2;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4068 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4069
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4070 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4071
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4072 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
4073 "quic congestion lost win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4074 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4075 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4076
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4077
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4078 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4079 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4080 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4081 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4082 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4083
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4084 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4085
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4086 version = qc->version;
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4087
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4088 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
4089 }