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annotate src/event/quic/ngx_event_quic.h @ 9064:35e27117b593 quic

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QUIC: automatically add and never delete stream events. Previously, stream events were added and deleted by ngx_handle_read_event() and ngx_handle_write_event() in a way similar to level-triggered events. However, QUIC stream events are effectively edge-triggered and can stay active all time. Moreover, the events are now active since the moment a stream is created.
author Roman Arutyunyan <arut@nginx.com>
date Tue, 10 Jan 2023 14:05:18 +0400
parents b0c2234aaa9f
children b9230e37b8a1
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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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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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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53a5cdbe500c QUIC add_handshake_data callback, varint routines.
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13
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69345a26ba69 Split transport and crypto parts into separate files.
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14
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125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
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15 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527
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391d06a51bc0 Limited max udp payload size for outgoing packets.
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16
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d45325e90221 Limit output QUIC packets with client max_packet_size.
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17 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3
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18 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25
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19 #define NGX_QUIC_DEFAULT_HOST_KEY_LEN 32
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20 #define NGX_QUIC_SR_KEY_LEN 32
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21 #define NGX_QUIC_AV_KEY_LEN 32
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c8bda5e1e662 QUIC: headers cleanup.
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23 #define NGX_QUIC_SR_TOKEN_LEN 16
8355
ad3a6f069498 Added proper handling of connection close phases.
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24
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25 #define NGX_QUIC_MIN_INITIAL_SIZE 1200
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26
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27 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01
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28 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02
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29
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30
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31 typedef ngx_int_t (*ngx_quic_init_pt)(ngx_connection_t *c);
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32 typedef void (*ngx_quic_shutdown_pt)(ngx_connection_t *c);
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33
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34
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35 typedef enum {
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36 NGX_QUIC_STREAM_SEND_READY = 0,
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37 NGX_QUIC_STREAM_SEND_SEND,
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38 NGX_QUIC_STREAM_SEND_DATA_SENT,
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39 NGX_QUIC_STREAM_SEND_DATA_RECVD,
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40 NGX_QUIC_STREAM_SEND_RESET_SENT,
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41 NGX_QUIC_STREAM_SEND_RESET_RECVD
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42 } ngx_quic_stream_send_state_e;
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43
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44
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45 typedef enum {
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46 NGX_QUIC_STREAM_RECV_RECV = 0,
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47 NGX_QUIC_STREAM_RECV_SIZE_KNOWN,
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48 NGX_QUIC_STREAM_RECV_DATA_RECVD,
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49 NGX_QUIC_STREAM_RECV_DATA_READ,
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50 NGX_QUIC_STREAM_RECV_RESET_RECVD,
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51 NGX_QUIC_STREAM_RECV_RESET_READ
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52 } ngx_quic_stream_recv_state_e;
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53
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54
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55 typedef struct {
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56 uint64_t size;
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57 uint64_t offset;
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8d11e2171697 QUIC: optimize insertion at the end of QUIC buffer.
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58 uint64_t last_offset;
9011
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59 ngx_chain_t *chain;
9016
55b38514729b QUIC: fixed insertion at the end of buffer.
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60 ngx_chain_t *last_chain;
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61 } ngx_quic_buffer_t;
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
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62
f9c788f3f5cc QUIC: ngx_quic_buffer_t object.
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63
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64 typedef struct {
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cba58cb06b3a QUIC: style.
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65 ngx_ssl_t *ssl;
8924
d6ef13c5fd8e QUIC: simplified configuration.
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66
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67 ngx_flag_t retry;
cba58cb06b3a QUIC: style.
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68 ngx_flag_t gso_enabled;
cba58cb06b3a QUIC: style.
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69 ngx_flag_t disable_active_migration;
cba58cb06b3a QUIC: style.
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70 ngx_msec_t timeout;
cba58cb06b3a QUIC: style.
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71 ngx_str_t host_key;
cba58cb06b3a QUIC: style.
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72 size_t mtu;
cba58cb06b3a QUIC: style.
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73 size_t stream_buffer_size;
cba58cb06b3a QUIC: style.
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74 ngx_uint_t max_concurrent_streams_bidi;
cba58cb06b3a QUIC: style.
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75 ngx_uint_t max_concurrent_streams_uni;
cba58cb06b3a QUIC: style.
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76 ngx_uint_t active_connection_id_limit;
cba58cb06b3a QUIC: style.
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77 ngx_int_t stream_close_code;
cba58cb06b3a QUIC: style.
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78 ngx_int_t stream_reject_code_uni;
cba58cb06b3a QUIC: style.
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79 ngx_int_t stream_reject_code_bidi;
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80
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81 ngx_quic_init_pt init;
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82 ngx_quic_shutdown_pt shutdown;
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83
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84 u_char av_token_key[NGX_QUIC_AV_KEY_LEN];
cba58cb06b3a QUIC: style.
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85 u_char sr_token_key[NGX_QUIC_SR_KEY_LEN];
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
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86 } ngx_quic_conf_t;
0d2b2664b41c QUIC: added "quic" listen parameter.
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87
0d2b2664b41c QUIC: added "quic" listen parameter.
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88
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parents: 8182
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89 struct ngx_quic_stream_s {
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90 ngx_rbtree_node_t node;
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91 ngx_queue_t queue;
cba58cb06b3a QUIC: style.
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92 ngx_connection_t *parent;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
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93 ngx_connection_t *connection;
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94 uint64_t id;
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2e51cf3ffd90 QUIC: defer stream removal until all its data is acked.
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parents: 9051
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95 uint64_t sent;
8992
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Roman Arutyunyan <arut@nginx.com>
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96 uint64_t acked;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
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97 uint64_t send_max_data;
9010
a5aebd51e4c7 QUIC: stream lingering.
Roman Arutyunyan <arut@nginx.com>
parents: 9003
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98 uint64_t send_offset;
a5aebd51e4c7 QUIC: stream lingering.
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parents: 9003
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99 uint64_t send_final_size;
8992
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100 uint64_t recv_max_data;
cba58cb06b3a QUIC: style.
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101 uint64_t recv_offset;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
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102 uint64_t recv_window;
cba58cb06b3a QUIC: style.
Roman Arutyunyan <arut@nginx.com>
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103 uint64_t recv_last;
9010
a5aebd51e4c7 QUIC: stream lingering.
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parents: 9003
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104 uint64_t recv_final_size;
9011
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Roman Arutyunyan <arut@nginx.com>
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105 ngx_quic_buffer_t send;
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106 ngx_quic_buffer_t recv;
8992
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107 ngx_quic_stream_send_state_e send_state;
cba58cb06b3a QUIC: style.
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108 ngx_quic_stream_recv_state_e recv_state;
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109 unsigned cancelable:1;
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110 unsigned fin_acked:1;
8208
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111 };
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8182
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112
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Sergey Kandaurov <pluknet@nginx.com>
parents: 8167
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113
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c2f5d79cde64 QUIC: separate UDP framework for QUIC.
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114 void ngx_quic_recvmsg(ngx_event_t *ev);
c2f5d79cde64 QUIC: separate UDP framework for QUIC.
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115 void ngx_quic_rbtree_insert_value(ngx_rbtree_node_t *temp,
c2f5d79cde64 QUIC: separate UDP framework for QUIC.
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116 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
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117 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf);
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455a8536eaa7 QUIC: limited the number of server-initiated streams.
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118 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8438
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119 void 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: 8438
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120 const char *reason);
8724
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Roman Arutyunyan <arut@nginx.com>
parents: 8711
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121 void ngx_quic_shutdown_connection(ngx_connection_t *c, ngx_uint_t err,
fc64ab301bad QUIC: connection shutdown.
Roman Arutyunyan <arut@nginx.com>
parents: 8711
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122 const char *reason);
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8694
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123 ngx_int_t ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err);
8890
b4c7853b0488 QUIC: added shutdown support in stream proxy.
Vladimir Homutov <vl@nginx.com>
parents: 8855
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124 ngx_int_t ngx_quic_shutdown_stream(ngx_connection_t *c, int how);
9051
37d5dddabaea QUIC: reusable mode for main connection.
Roman Arutyunyan <arut@nginx.com>
parents: 9017
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125 void ngx_quic_cancelable_stream(ngx_connection_t *c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
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parents: 8626
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126 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
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127 ngx_str_t *dcid);
8755
b4e6b7049984 QUIC: normalize header inclusion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8754
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128 ngx_int_t ngx_quic_derive_key(ngx_log_t *log, const char *label,
b4e6b7049984 QUIC: normalize header inclusion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8754
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129 ngx_str_t *secret, ngx_str_t *salt, u_char *out, size_t len);
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5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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130
5d91389e0fd3 Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
131 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */