Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8418:8b4a0a752723 quic
Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
Now it can be switched using --with-cc-opt='-DNGX_QUIC_DRAFT_VERSION=28'.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Fri, 29 May 2020 15:07:46 +0300 |
parents | 6633f17044eb |
children | 391d06a51bc0 |
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Initial QUIC support in http.
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1 |
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2 /* |
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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 |
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Initial QUIC support in http.
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6 |
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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ |
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_ |
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9 |
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10 |
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Fixed includes in quic headers.
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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QUIC add_handshake_data callback, varint routines.
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13 |
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14 |
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QUIC draft-28 transport parameters support.
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15 /* Supported drafts: 27, 28 */ |
8418
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16 #ifndef NGX_QUIC_DRAFT_VERSION |
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17 #define NGX_QUIC_DRAFT_VERSION 27 |
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18 #endif |
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19 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) |
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20 |
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21 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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22 #define NGX_QUIC_MAX_LONG_HEADER 56 |
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23 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
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24 |
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
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26 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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27 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
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28 |
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29 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
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30 #define NGX_QUIC_RETRY_LIFETIME 30000 |
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31 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 |
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32 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ |
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33 #define NGX_QUIC_MAX_TOKEN_SIZE 32 |
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34 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ |
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35 |
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36 #define NGX_QUIC_HARDCODED_PTO 1000 /* 1s, TODO: collect */ |
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37 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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38 |
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39 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
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40 |
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41 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
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42 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
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43 |
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44 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
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Safe QUIC stream creation.
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45 |
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46 |
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47 typedef struct { |
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48 /* configurable */ |
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49 ngx_msec_t max_idle_timeout; |
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50 ngx_msec_t max_ack_delay; |
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51 |
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52 size_t max_udp_payload_size; |
8352
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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53 size_t initial_max_data; |
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54 size_t initial_max_stream_data_bidi_local; |
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55 size_t initial_max_stream_data_bidi_remote; |
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56 size_t initial_max_stream_data_uni; |
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57 ngx_uint_t initial_max_streams_bidi; |
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58 ngx_uint_t initial_max_streams_uni; |
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59 ngx_uint_t ack_delay_exponent; |
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60 ngx_uint_t disable_active_migration; |
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61 ngx_uint_t active_connection_id_limit; |
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62 ngx_str_t original_dcid; |
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63 ngx_str_t initial_scid; |
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64 ngx_str_t retry_scid; |
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65 |
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66 ngx_flag_t retry; |
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67 u_char token_key[32]; /* AES 256 */ |
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68 |
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69 /* TODO */ |
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70 u_char stateless_reset_token[16]; |
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71 void *preferred_address; |
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72 } ngx_quic_tp_t; |
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73 |
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74 |
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75 typedef struct { |
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76 uint64_t sent; |
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77 uint64_t received; |
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78 ngx_queue_t frames; /* reorder queue */ |
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79 size_t total; /* size of buffered data */ |
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80 } ngx_quic_frames_stream_t; |
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81 |
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82 |
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83 struct ngx_quic_stream_s { |
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84 ngx_rbtree_node_t node; |
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85 ngx_connection_t *parent; |
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86 ngx_connection_t *c; |
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87 uint64_t id; |
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88 uint64_t acked; |
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89 uint64_t send_max_data; |
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90 ngx_buf_t *b; |
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91 ngx_quic_frames_stream_t fs; |
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92 }; |
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93 |
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95 void ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp, |
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96 ngx_connection_handler_pt handler); |
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97 ngx_connection_t *ngx_quic_create_uni_stream(ngx_connection_t *c); |
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98 |
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99 |
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100 /********************************* DEBUG *************************************/ |
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101 |
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102 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ |
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103 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
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104 /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ |
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105 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
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107 #if (NGX_DEBUG) |
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108 |
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109 #define ngx_quic_hexdump(log, label, data, len) \ |
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110 do { \ |
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111 ngx_int_t m; \ |
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112 u_char buf[2048]; \ |
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113 \ |
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114 if (log->log_level & NGX_LOG_DEBUG_EVENT) { \ |
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115 m = ngx_hex_dump(buf, (u_char *) data, ngx_min(len, 1024)) - buf; \ |
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116 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, \ |
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117 label " len:%uz data:%*s%s", \ |
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118 len, m, buf, len < 2048 ? "" : "..."); \ |
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119 } \ |
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120 } while (0) |
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121 |
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122 #else |
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123 |
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124 #define ngx_quic_hexdump(log, fmt, data, len) |
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125 |
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126 #endif |
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127 |
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128 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |