Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8512:6e1c88f82280 quic
QUIC: changed ctx->largest_ack initial value to type maximum.
In particular, this prevents declaring packet number 0 as lost if
there aren't yet any acknowledgements in this packet number space.
For example, only Initial packets were acknowledged in handshake.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Tue, 18 Aug 2020 23:33:40 +0300 |
parents | 455a8536eaa7 |
children | 924882f42dea |
rev | line source |
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8167
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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1 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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diff
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2 /* |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents:
8181
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changeset
|
3 * Copyright (C) Nginx, Inc. |
8167
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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4 */ |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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5 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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6 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff
changeset
|
7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ |
5d91389e0fd3
Initial QUIC support in http.
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parents:
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_ |
5d91389e0fd3
Initial QUIC support in http.
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9 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff
changeset
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10 |
8347
a5141e6b3214
Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
parents:
8345
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changeset
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11 #include <ngx_config.h> |
a5141e6b3214
Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
parents:
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changeset
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12 #include <ngx_core.h> |
8170
53a5cdbe500c
QUIC add_handshake_data callback, varint routines.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8169
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changeset
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13 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
8215
diff
changeset
|
14 |
8417
6633f17044eb
QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8415
diff
changeset
|
15 /* Supported drafts: 27, 28 */ |
8418
8b4a0a752723
Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8417
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16 #ifndef NGX_QUIC_DRAFT_VERSION |
8273
cb75f194f1f0
Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents:
8271
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17 #define NGX_QUIC_DRAFT_VERSION 27 |
8418
8b4a0a752723
Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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18 #endif |
8269
c9c3a73df6e8
Support for HTTP/3 ALPN.
Roman Arutyunyan <arut@nginx.com>
parents:
8265
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19 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) |
8221
69345a26ba69
Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
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20 |
8345
6481427ca3fc
Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
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21 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
6481427ca3fc
Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
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22 #define NGX_QUIC_MAX_LONG_HEADER 56 |
6481427ca3fc
Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents:
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23 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
8265
d45325e90221
Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents:
8263
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24 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8383
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
8436
9fe7875ce4bb
QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents:
8432
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26 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 |
9fe7875ce4bb
QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
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27 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 |
8432
391d06a51bc0
Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
parents:
8418
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28 |
8265
d45325e90221
Limit output QUIC packets with client max_packet_size.
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parents:
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29 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
d45325e90221
Limit output QUIC packets with client max_packet_size.
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30 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
d45325e90221
Limit output QUIC packets with client max_packet_size.
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31 |
8383
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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32 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
7ea34e13937f
Address validation using Retry packets.
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parents:
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33 #define NGX_QUIC_RETRY_LIFETIME 30000 |
7ea34e13937f
Address validation using Retry packets.
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34 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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35 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ |
7ea34e13937f
Address validation using Retry packets.
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parents:
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36 #define NGX_QUIC_MAX_TOKEN_SIZE 32 |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
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37 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ |
7ea34e13937f
Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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38 |
8469
3b107aadc9f6
QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents:
8458
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changeset
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39 /* quic-recovery, section 6.2.2, kInitialRtt */ |
3b107aadc9f6
QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents:
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40 #define NGX_QUIC_INITIAL_RTT 333 /* ms */ |
3b107aadc9f6
QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
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41 |
8474
909b989ec088
QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents:
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42 /* quic-recovery, section 6.1.1, Packet Threshold */ |
909b989ec088
QUIC: reworked retransmission mechanism.
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parents:
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43 #define NGX_QUIC_PKT_THR 3 /* packets */ |
909b989ec088
QUIC: reworked retransmission mechanism.
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parents:
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44 /* quic-recovery, section 6.1.2, Time Threshold */ |
909b989ec088
QUIC: reworked retransmission mechanism.
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parents:
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45 #define NGX_QUIC_TIME_THR 1.125 |
909b989ec088
QUIC: reworked retransmission mechanism.
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parents:
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46 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ |
909b989ec088
QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents:
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47 |
8355
ad3a6f069498
Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
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8352
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48 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
ad3a6f069498
Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
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49 |
8345
6481427ca3fc
Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents:
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50 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
6481427ca3fc
Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
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51 |
8476
f9fbeb4ee0de
QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents:
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52 /* if we have so much data, send immediately */ |
f9fbeb4ee0de
QUIC: added limit of queued data.
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53 /* TODO: configurable ? */ |
f9fbeb4ee0de
QUIC: added limit of queued data.
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parents:
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54 #define NGX_QUIC_MIN_DATA_NODELAY 512 /* bytes */ |
f9fbeb4ee0de
QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents:
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55 |
8280
b364af7f9f3f
Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents:
8273
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56 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
b364af7f9f3f
Removed ngx_quic_stream_node_t.
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parents:
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|
57 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
b364af7f9f3f
Removed ngx_quic_stream_node_t.
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58 |
8364
eee307399229
QUIC basic congestion control.
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parents:
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59 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
8282
4cf00c14f11a
Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents:
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60 |
8221
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Split transport and crypto parts into separate files.
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61 |
8247
e9891e8ee975
Configurable transport parameters.
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62 typedef struct { |
e9891e8ee975
Configurable transport parameters.
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parents:
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63 /* configurable */ |
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72d20158c814
Added reordering support for STREAM frames.
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64 ngx_msec_t max_idle_timeout; |
72d20158c814
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65 ngx_msec_t max_ack_delay; |
8247
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Configurable transport parameters.
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66 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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67 size_t max_udp_payload_size; |
8352
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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68 size_t initial_max_data; |
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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parents:
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69 size_t initial_max_stream_data_bidi_local; |
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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70 size_t initial_max_stream_data_bidi_remote; |
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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parents:
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71 size_t initial_max_stream_data_uni; |
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Added reordering support for STREAM frames.
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72 ngx_uint_t initial_max_streams_bidi; |
72d20158c814
Added reordering support for STREAM frames.
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parents:
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73 ngx_uint_t initial_max_streams_uni; |
72d20158c814
Added reordering support for STREAM frames.
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74 ngx_uint_t ack_delay_exponent; |
72d20158c814
Added reordering support for STREAM frames.
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75 ngx_uint_t disable_active_migration; |
72d20158c814
Added reordering support for STREAM frames.
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parents:
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76 ngx_uint_t active_connection_id_limit; |
8417
6633f17044eb
QUIC draft-28 transport parameters support.
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parents:
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77 ngx_str_t original_dcid; |
6633f17044eb
QUIC draft-28 transport parameters support.
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78 ngx_str_t initial_scid; |
6633f17044eb
QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
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79 ngx_str_t retry_scid; |
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Address validation using Retry packets.
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80 |
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Configurable transport parameters.
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81 /* TODO */ |
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82 u_char stateless_reset_token[16]; |
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Added reordering support for STREAM frames.
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83 void *preferred_address; |
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84 } ngx_quic_tp_t; |
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Configurable transport parameters.
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85 |
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Configurable transport parameters.
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86 |
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Added reordering support for STREAM frames.
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87 typedef struct { |
8481
0d2b2664b41c
QUIC: added "quic" listen parameter.
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parents:
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88 ngx_quic_tp_t tp; |
0d2b2664b41c
QUIC: added "quic" listen parameter.
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89 ngx_flag_t retry; |
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QUIC: added "quic" listen parameter in Stream.
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90 ngx_flag_t require_alpn; |
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91 u_char token_key[32]; /* AES 256 */ |
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92 } ngx_quic_conf_t; |
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93 |
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94 |
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95 typedef struct { |
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96 uint64_t sent; |
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97 uint64_t received; |
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Added reordering support for STREAM frames.
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98 ngx_queue_t frames; /* reorder queue */ |
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99 size_t total; /* size of buffered data */ |
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Added reordering support for STREAM frames.
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100 } ngx_quic_frames_stream_t; |
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101 |
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102 |
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HTTP/QUIC interface reworked.
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103 struct ngx_quic_stream_s { |
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104 ngx_rbtree_node_t node; |
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Added reordering support for STREAM frames.
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105 ngx_connection_t *parent; |
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Added reordering support for STREAM frames.
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106 ngx_connection_t *c; |
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107 uint64_t id; |
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QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
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108 uint64_t acked; |
8365
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Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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109 uint64_t send_max_data; |
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110 ngx_buf_t *b; |
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111 ngx_quic_frames_stream_t fs; |
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112 }; |
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113 |
8168 | 114 |
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115 void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_conf_t *conf); |
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116 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); |
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117 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err, |
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118 const char *reason); |
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119 |
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120 |
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121 /********************************* DEBUG *************************************/ |
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122 |
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123 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ |
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124 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
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125 /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ |
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126 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
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128 #if (NGX_DEBUG) |
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129 |
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130 #define ngx_quic_hexdump(log, label, data, len) \ |
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131 do { \ |
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132 ngx_int_t m; \ |
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133 u_char buf[2048]; \ |
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134 \ |
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135 if (log->log_level & NGX_LOG_DEBUG_EVENT) { \ |
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136 m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \ |
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137 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, \ |
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138 label " len:%uz data:%*s%s", \ |
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139 len, m, buf, len < 2048 ? "" : "..."); \ |
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140 } \ |
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141 } while (0) |
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142 |
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143 #else |
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144 |
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145 #define ngx_quic_hexdump(log, fmt, data, len) |
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146 |
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147 #endif |
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148 |
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149 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |