Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8634:831d1960826f quic
QUIC: generate default stateless reset token key.
Previously, if quic_stateless_reset_token_key was empty or unspecified,
initial stateless reset token was not generated. However subsequent tokens
were generated with empty key, which resulted in error with certain SSL
libraries, for example OpenSSL.
Now a random 32-byte stateless reset token key is generated if none is
specified in the configuration. As a result, stateless reset tokens are now
generated for all server ids.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 11 Nov 2020 21:08:48 +0000 |
parents | feec2cc762f6 |
children | dbad2d6d1898 |
rev | line source |
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8167
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Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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1 |
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Initial QUIC support in http.
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2 /* |
8182
b28ea685a56e
Moved all QUIC code into ngx_event_quic.c
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3 * Copyright (C) Nginx, Inc. |
8167
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Initial QUIC support in http.
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4 */ |
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Initial QUIC support in http.
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5 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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6 |
5d91389e0fd3
Initial QUIC support in http.
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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ |
5d91389e0fd3
Initial QUIC support in http.
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_ |
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9 |
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Initial QUIC support in http.
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10 |
8347
a5141e6b3214
Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
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11 #include <ngx_config.h> |
a5141e6b3214
Fixed includes in quic headers.
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12 #include <ngx_core.h> |
8170
53a5cdbe500c
QUIC add_handshake_data callback, varint routines.
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13 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
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14 |
8547
57e5393e5d40
QUIC: switched to draft 29 by default.
Vladimir Homutov <vl@nginx.com>
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15 /* Supported drafts: 27, 28, 29 */ |
8418
8b4a0a752723
Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
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16 #ifndef NGX_QUIC_DRAFT_VERSION |
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17 #define NGX_QUIC_DRAFT_VERSION 29 |
8418
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Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
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18 #endif |
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Split transport and crypto parts into separate files.
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19 |
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6481427ca3fc
Respecting maximum packet size.
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20 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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21 #define NGX_QUIC_MAX_LONG_HEADER 56 |
6481427ca3fc
Respecting maximum packet size.
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22 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
8265
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Limit output QUIC packets with client max_packet_size.
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23 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
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24 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
8436
9fe7875ce4bb
QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 |
9fe7875ce4bb
QUIC: further limiting maximum QUIC packet size.
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26 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 |
8432
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Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
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27 |
8265
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Limit output QUIC packets with client max_packet_size.
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28 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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Limit output QUIC packets with client max_packet_size.
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29 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
8634
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QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
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30 #define NGX_QUIC_DEFAULT_SRT_KEY_LEN 32 |
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31 |
8383
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Address validation using Retry packets.
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32 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
7ea34e13937f
Address validation using Retry packets.
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33 #define NGX_QUIC_RETRY_LIFETIME 30000 |
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34 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 |
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Address validation using Retry packets.
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35 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ |
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Address validation using Retry packets.
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36 #define NGX_QUIC_MAX_TOKEN_SIZE 32 |
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Address validation using Retry packets.
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37 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ |
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Address validation using Retry packets.
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38 |
8469
3b107aadc9f6
QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
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39 /* quic-recovery, section 6.2.2, kInitialRtt */ |
3b107aadc9f6
QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
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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>
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42 /* quic-recovery, section 6.1.1, Packet Threshold */ |
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QUIC: reworked retransmission mechanism.
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43 #define NGX_QUIC_PKT_THR 3 /* packets */ |
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44 /* quic-recovery, section 6.1.2, Time Threshold */ |
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QUIC: reworked retransmission mechanism.
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45 #define NGX_QUIC_TIME_THR 1.125 |
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QUIC: reworked retransmission mechanism.
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46 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ |
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QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
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47 |
8355
ad3a6f069498
Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
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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 |
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Respecting maximum packet size.
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50 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
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Respecting maximum packet size.
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51 |
8280
b364af7f9f3f
Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
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52 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
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Removed ngx_quic_stream_node_t.
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53 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
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Removed ngx_quic_stream_node_t.
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54 |
8364
eee307399229
QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
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55 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
8282
4cf00c14f11a
Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents:
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56 |
8590
44991d728899
QUIC: account packet header length in amplification limit.
Vladimir Homutov <vl@nginx.com>
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57 #define NGX_QUIC_MAX_CID_LEN 20 |
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QUIC: account packet header length in amplification limit.
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58 #define NGX_QUIC_SERVER_CID_LEN NGX_QUIC_MAX_CID_LEN |
8557
2727d402e5a5
QUIC: switched to using fixed-length server connection IDs.
Vladimir Homutov <vl@nginx.com>
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59 |
8562
b31c02454539
QUIC: added stateless reset support.
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60 #define NGX_QUIC_SR_TOKEN_LEN 16 |
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61 |
8628
45db1b5c1706
QUIC: connection multiplexing per port.
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62 #define NGX_QUIC_MAX_SERVER_IDS 8 |
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QUIC: connection multiplexing per port.
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63 |
8629
feec2cc762f6
QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
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64 #define ngx_quic_get_connection(c) ((ngx_quic_connection_t *)(c)->udp) |
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QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
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65 |
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69345a26ba69
Split transport and crypto parts into separate files.
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66 |
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Configurable transport parameters.
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67 typedef struct { |
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Configurable transport parameters.
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68 /* configurable */ |
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Added reordering support for STREAM frames.
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69 ngx_msec_t max_idle_timeout; |
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70 ngx_msec_t max_ack_delay; |
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Configurable transport parameters.
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71 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
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72 size_t max_udp_payload_size; |
8352
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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73 size_t initial_max_data; |
d73516830236
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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74 size_t initial_max_stream_data_bidi_local; |
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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75 size_t initial_max_stream_data_bidi_remote; |
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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76 size_t initial_max_stream_data_uni; |
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77 ngx_uint_t initial_max_streams_bidi; |
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Added reordering support for STREAM frames.
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78 ngx_uint_t initial_max_streams_uni; |
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Added reordering support for STREAM frames.
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79 ngx_uint_t ack_delay_exponent; |
72d20158c814
Added reordering support for STREAM frames.
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80 ngx_uint_t active_connection_id_limit; |
8628
45db1b5c1706
QUIC: connection multiplexing per port.
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81 ngx_flag_t disable_active_migration; |
8417
6633f17044eb
QUIC draft-28 transport parameters support.
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82 ngx_str_t original_dcid; |
6633f17044eb
QUIC draft-28 transport parameters support.
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83 ngx_str_t initial_scid; |
6633f17044eb
QUIC draft-28 transport parameters support.
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84 ngx_str_t retry_scid; |
8562
b31c02454539
QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
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85 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN]; |
8383
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Address validation using Retry packets.
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86 |
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Configurable transport parameters.
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87 /* TODO */ |
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88 void *preferred_address; |
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89 } ngx_quic_tp_t; |
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90 |
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Configurable transport parameters.
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91 |
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92 typedef struct { |
8563
bed310672f39
QUIC: moved ssl configuration pointer to quic configuration.
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93 ngx_ssl_t *ssl; |
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0d2b2664b41c
QUIC: added "quic" listen parameter.
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94 ngx_quic_tp_t tp; |
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QUIC: added "quic" listen parameter.
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95 ngx_flag_t retry; |
8482
893b3313f53c
QUIC: added "quic" listen parameter in Stream.
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parents:
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96 ngx_flag_t require_alpn; |
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0d2b2664b41c
QUIC: added "quic" listen parameter.
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97 u_char token_key[32]; /* AES 256 */ |
8562
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QUIC: added stateless reset support.
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98 ngx_str_t sr_token_key; /* stateless reset token key */ |
8481
0d2b2664b41c
QUIC: added "quic" listen parameter.
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99 } ngx_quic_conf_t; |
0d2b2664b41c
QUIC: added "quic" listen parameter.
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100 |
0d2b2664b41c
QUIC: added "quic" listen parameter.
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101 |
0d2b2664b41c
QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents:
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102 typedef struct { |
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Added reordering support for STREAM frames.
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103 uint64_t sent; |
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Added reordering support for STREAM frames.
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104 uint64_t received; |
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Added reordering support for STREAM frames.
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105 ngx_queue_t frames; /* reorder queue */ |
72d20158c814
Added reordering support for STREAM frames.
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106 size_t total; /* size of buffered data */ |
72d20158c814
Added reordering support for STREAM frames.
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parents:
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107 } ngx_quic_frames_stream_t; |
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Added reordering support for STREAM frames.
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108 |
72d20158c814
Added reordering support for STREAM frames.
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109 |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
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110 struct ngx_quic_stream_s { |
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Added reordering support for STREAM frames.
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111 ngx_rbtree_node_t node; |
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112 ngx_connection_t *parent; |
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113 ngx_connection_t *c; |
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114 uint64_t id; |
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115 uint64_t acked; |
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116 uint64_t send_max_data; |
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117 ngx_buf_t *b; |
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118 ngx_quic_frames_stream_t fs; |
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119 }; |
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120 |
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122 typedef struct ngx_quic_keys_s ngx_quic_keys_t; |
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123 |
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124 |
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125 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); |
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126 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); |
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127 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err, |
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128 const char *reason); |
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129 uint32_t ngx_quic_version(ngx_connection_t *c); |
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130 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len, |
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131 ngx_str_t *dcid); |
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132 |
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133 |
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134 /********************************* DEBUG *************************************/ |
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135 |
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136 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ |
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137 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
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138 /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ |
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139 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
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141 #if (NGX_DEBUG) |
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142 |
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143 #define ngx_quic_hexdump(log, fmt, data, len) \ |
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144 ngx_quic_hexdump_real(log, fmt, (u_char *) data, (size_t) len) |
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145 |
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146 static ngx_inline |
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147 void ngx_quic_hexdump_real(ngx_log_t *log, const char *label, u_char *data, |
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148 size_t len) |
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149 { |
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150 ngx_int_t m; |
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151 u_char buf[2048]; |
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152 |
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153 if (log->log_level & NGX_LOG_DEBUG_EVENT) { |
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154 m = ngx_hex_dump(buf, data, (len > 1024) ? 1024 : len) - buf; |
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155 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0, |
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156 "%s len:%uz data:%*s%s", |
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157 label, len, m, buf, len < 2048 ? "" : "..."); |
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158 } |
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159 } |
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160 |
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161 #else |
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162 |
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163 #define ngx_quic_hexdump(log, fmt, data, len) |
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164 |
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165 #endif |
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166 |
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167 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |