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annotate src/http/v3/ngx_http_v3_module.c @ 8271:8e54a17dabee quic

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Respect QUIC max_idle_timeout.
author Roman Arutyunyan <arut@nginx.com>
date Mon, 23 Mar 2020 21:20:20 +0300
parents d45325e90221
children 0b95c2041887
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 * Copyright (C) Roman Arutyunyan
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5 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11
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12
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13 static ngx_command_t ngx_http_v3_commands[] = {
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14
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15 { ngx_string("quic_max_idle_timeout"),
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16 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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17 ngx_conf_set_msec_slot,
e9891e8ee975 Configurable transport parameters.
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18 NGX_HTTP_SRV_CONF_OFFSET,
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19 offsetof(ngx_http_v3_srv_conf_t, quic.max_idle_timeout),
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20 NULL },
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21
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22 { ngx_string("quic_max_ack_delay"),
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23 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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24 ngx_conf_set_msec_slot,
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25 NGX_HTTP_SRV_CONF_OFFSET,
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26 offsetof(ngx_http_v3_srv_conf_t, quic.max_ack_delay),
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27 NULL },
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28
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29 { ngx_string("quic_max_packet_size"),
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30 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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31 ngx_conf_set_num_slot,
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32 NGX_HTTP_SRV_CONF_OFFSET,
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33 offsetof(ngx_http_v3_srv_conf_t, quic.max_packet_size),
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34 NULL },
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35
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36 { ngx_string("quic_initial_max_data"),
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37 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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38 ngx_conf_set_num_slot,
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39 NGX_HTTP_SRV_CONF_OFFSET,
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40 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_data),
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41 NULL },
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42
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43 { ngx_string("quic_initial_max_stream_data_bidi_local"),
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44 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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45 ngx_conf_set_num_slot,
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46 NGX_HTTP_SRV_CONF_OFFSET,
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47 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_local),
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48 NULL },
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49
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50 { ngx_string("quic_initial_max_stream_data_bidi_remote"),
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51 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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52 ngx_conf_set_num_slot,
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53 NGX_HTTP_SRV_CONF_OFFSET,
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54 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_remote),
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55 NULL },
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56
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57 { ngx_string("quic_initial_max_stream_data_uni"),
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58 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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59 ngx_conf_set_num_slot,
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60 NGX_HTTP_SRV_CONF_OFFSET,
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61 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_uni),
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62 NULL },
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63
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64 { ngx_string("quic_initial_max_streams_bidi"),
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65 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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66 ngx_conf_set_num_slot,
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67 NGX_HTTP_SRV_CONF_OFFSET,
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68 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_bidi),
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69 NULL },
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70
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71 { ngx_string("quic_initial_max_streams_uni"),
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72 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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73 ngx_conf_set_num_slot,
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74 NGX_HTTP_SRV_CONF_OFFSET,
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75 offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_uni),
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76 NULL },
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77
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78 { ngx_string("quic_ack_delay_exponent"),
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79 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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80 ngx_conf_set_num_slot,
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81 NGX_HTTP_SRV_CONF_OFFSET,
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82 offsetof(ngx_http_v3_srv_conf_t, quic.ack_delay_exponent),
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83 NULL },
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84
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85 { ngx_string("quic_active_migration"),
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86 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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87 ngx_conf_set_num_slot,
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88 NGX_HTTP_SRV_CONF_OFFSET,
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89 offsetof(ngx_http_v3_srv_conf_t, quic.disable_active_migration),
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90 NULL },
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91
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92 { ngx_string("quic_active_connection_id_limit"),
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93 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
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94 ngx_conf_set_num_slot,
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95 NGX_HTTP_SRV_CONF_OFFSET,
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96 offsetof(ngx_http_v3_srv_conf_t, quic.active_connection_id_limit),
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97 NULL },
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98
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99 ngx_null_command
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100 };
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101
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102
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103 static ngx_int_t ngx_http_variable_quic(ngx_http_request_t *r,
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104 ngx_http_variable_value_t *v, uintptr_t data);
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105 static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf);
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106 static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf);
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107 static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf,
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108 void *parent, void *child);
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109
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110
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111 static ngx_http_module_t ngx_http_v3_module_ctx = {
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112 ngx_http_v3_add_variables, /* preconfiguration */
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113 NULL, /* postconfiguration */
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114
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115 NULL, /* create main configuration */
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116 NULL, /* init main configuration */
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117
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118 ngx_http_v3_create_srv_conf, /* create server configuration */
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119 ngx_http_v3_merge_srv_conf, /* merge server configuration */
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120
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121 NULL, /* create location configuration */
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122 NULL /* merge location configuration */
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123 };
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124
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125
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126 ngx_module_t ngx_http_v3_module = {
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127 NGX_MODULE_V1,
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128 &ngx_http_v3_module_ctx, /* module context */
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129 ngx_http_v3_commands, /* module directives */
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130 NGX_HTTP_MODULE, /* module type */
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131 NULL, /* init master */
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132 NULL, /* init module */
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133 NULL, /* init process */
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134 NULL, /* init thread */
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135 NULL, /* exit thread */
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136 NULL, /* exit process */
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137 NULL, /* exit master */
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138 NGX_MODULE_V1_PADDING
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139 };
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140
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141
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142 static ngx_http_variable_t ngx_http_v3_vars[] = {
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143 { ngx_string("quic"), NULL, ngx_http_variable_quic,
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diff changeset
144 0, 0, 0 },
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145
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146 ngx_http_null_variable
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diff changeset
147 };
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148
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149
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diff changeset
150 static ngx_int_t
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diff changeset
151 ngx_http_variable_quic(ngx_http_request_t *r,
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152 ngx_http_variable_value_t *v, uintptr_t data)
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153 {
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diff changeset
154 if (r->connection->qs) {
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155
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diff changeset
156 v->len = 4;
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diff changeset
157 v->valid = 1;
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diff changeset
158 v->no_cacheable = 1;
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diff changeset
159 v->not_found = 0;
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160 v->data = (u_char *) "quic";
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161 return NGX_OK;
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162 }
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163
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164 v->not_found = 1;
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165
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166 return NGX_OK;
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167 }
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168
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169
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170 static ngx_int_t
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171 ngx_http_v3_add_variables(ngx_conf_t *cf)
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172 {
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173 ngx_http_variable_t *var, *v;
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174
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175 for (v = ngx_http_v3_vars; v->name.len; v++) {
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176 var = ngx_http_add_variable(cf, &v->name, v->flags);
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177 if (var == NULL) {
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178 return NGX_ERROR;
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179 }
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180
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diff changeset
181 var->get_handler = v->get_handler;
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182 var->data = v->data;
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183 }
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184
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185 return NGX_OK;
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diff changeset
186 }
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187
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188
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189
8247
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diff changeset
190 static void *
e9891e8ee975 Configurable transport parameters.
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diff changeset
191 ngx_http_v3_create_srv_conf(ngx_conf_t *cf)
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192 {
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193 ngx_http_v3_srv_conf_t *v3cf;
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194
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195 v3cf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t));
e9891e8ee975 Configurable transport parameters.
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196 if (v3cf == NULL) {
e9891e8ee975 Configurable transport parameters.
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197 return NULL;
e9891e8ee975 Configurable transport parameters.
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198 }
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199
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200 /*
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201 * set by ngx_pcalloc():
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202 * v3cf->quic.original_connection_id = 0;
e9891e8ee975 Configurable transport parameters.
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203 * v3cf->quic.stateless_reset_token = { 0 }
e9891e8ee975 Configurable transport parameters.
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204 * conf->quic.preferred_address = NULL
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205 */
e9891e8ee975 Configurable transport parameters.
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206
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diff changeset
207 v3cf->quic.max_idle_timeout = NGX_CONF_UNSET_MSEC;
e9891e8ee975 Configurable transport parameters.
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diff changeset
208 v3cf->quic.max_ack_delay = NGX_CONF_UNSET_MSEC;
e9891e8ee975 Configurable transport parameters.
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diff changeset
209
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diff changeset
210 v3cf->quic.max_packet_size = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
211 v3cf->quic.initial_max_data = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
212 v3cf->quic.initial_max_stream_data_bidi_local = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
213 v3cf->quic.initial_max_stream_data_bidi_remote = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
214 v3cf->quic.initial_max_stream_data_uni = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
215 v3cf->quic.initial_max_streams_bidi = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
216 v3cf->quic.initial_max_streams_uni = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
217 v3cf->quic.ack_delay_exponent = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
218 v3cf->quic.disable_active_migration = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
219 v3cf->quic.active_connection_id_limit = NGX_CONF_UNSET_UINT;
e9891e8ee975 Configurable transport parameters.
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diff changeset
220
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diff changeset
221 return v3cf;
e9891e8ee975 Configurable transport parameters.
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diff changeset
222 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
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diff changeset
223
e9891e8ee975 Configurable transport parameters.
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parents: 8215
diff changeset
224
e9891e8ee975 Configurable transport parameters.
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diff changeset
225 static char *
e9891e8ee975 Configurable transport parameters.
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parents: 8215
diff changeset
226 ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
e9891e8ee975 Configurable transport parameters.
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parents: 8215
diff changeset
227 {
e9891e8ee975 Configurable transport parameters.
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diff changeset
228 ngx_http_v3_srv_conf_t *prev = parent;
e9891e8ee975 Configurable transport parameters.
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diff changeset
229 ngx_http_v3_srv_conf_t *conf = child;
e9891e8ee975 Configurable transport parameters.
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diff changeset
230
e9891e8ee975 Configurable transport parameters.
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diff changeset
231 ngx_conf_merge_msec_value(conf->quic.max_idle_timeout,
8271
8e54a17dabee Respect QUIC max_idle_timeout.
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parents: 8265
diff changeset
232 prev->quic.max_idle_timeout, 60000);
8247
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diff changeset
233
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
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diff changeset
234 // > 2 ^ 14 is invalid
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
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diff changeset
235 ngx_conf_merge_msec_value(conf->quic.max_ack_delay,
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
236 prev->quic.max_ack_delay,
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
237 NGX_QUIC_DEFAULT_MAX_ACK_DELAY);
8247
e9891e8ee975 Configurable transport parameters.
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diff changeset
238
e9891e8ee975 Configurable transport parameters.
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parents: 8215
diff changeset
239 // < 1200 is invalid
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
240 ngx_conf_merge_uint_value(conf->quic.max_packet_size,
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
241 prev->quic.max_packet_size,
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
242 NGX_QUIC_DEFAULT_MAX_PACKET_SIZE);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
243
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
244 ngx_conf_merge_uint_value(conf->quic.initial_max_data,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
245 prev->quic.initial_max_data, 10000000);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
246
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
247 ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_bidi_local,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
248 prev->quic.initial_max_stream_data_bidi_local,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
249 255);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
250
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
251 ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_bidi_remote,
e9891e8ee975 Configurable transport parameters.
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parents: 8215
diff changeset
252 prev->quic.initial_max_stream_data_bidi_remote,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
253 255);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
254
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
255 ngx_conf_merge_uint_value(conf->quic.initial_max_stream_data_uni,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
256 prev->quic.initial_max_stream_data_uni, 255);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
257
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
258 ngx_conf_merge_uint_value(conf->quic.initial_max_streams_bidi,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
259 prev->quic.initial_max_streams_bidi, 16);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
260
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
261 ngx_conf_merge_uint_value(conf->quic.initial_max_streams_uni,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
262 prev->quic.initial_max_streams_uni, 16);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
263
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
264 // > 20 is invalid
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
265 ngx_conf_merge_uint_value(conf->quic.ack_delay_exponent,
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
266 prev->quic.ack_delay_exponent,
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8248
diff changeset
267 NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
268
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
269 ngx_conf_merge_uint_value(conf->quic.disable_active_migration,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
270 prev->quic.disable_active_migration, 1);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
271
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
272 // < 2 is invalid
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
273 ngx_conf_merge_uint_value(conf->quic.active_connection_id_limit,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
274 prev->quic.active_connection_id_limit, 2);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
275
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
276 return NGX_CONF_OK;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
277 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8215
diff changeset
278