Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_quic_module.c @ 8283:a9034b10dacc quic
HTTP/3: fixed format specifier.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Mon, 01 Feb 2021 18:48:18 +0300 |
parents | dffb66fb783b |
children | cef042935003 |
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_int_t ngx_http_variable_quic(ngx_http_request_t *r, |
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14 ngx_http_variable_value_t *v, uintptr_t data); |
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15 static ngx_int_t ngx_http_quic_add_variables(ngx_conf_t *cf); |
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16 static void *ngx_http_quic_create_srv_conf(ngx_conf_t *cf); |
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17 static char *ngx_http_quic_merge_srv_conf(ngx_conf_t *cf, void *parent, |
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18 void *child); |
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19 static char *ngx_http_quic_max_ack_delay(ngx_conf_t *cf, void *post, |
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20 void *data); |
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21 static char *ngx_http_quic_max_udp_payload_size(ngx_conf_t *cf, void *post, |
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22 void *data); |
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23 |
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24 |
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25 static ngx_conf_post_t ngx_http_quic_max_ack_delay_post = |
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26 { ngx_http_quic_max_ack_delay }; |
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27 static ngx_conf_post_t ngx_http_quic_max_udp_payload_size_post = |
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28 { ngx_http_quic_max_udp_payload_size }; |
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29 static ngx_conf_num_bounds_t ngx_http_quic_ack_delay_exponent_bounds = |
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30 { ngx_conf_check_num_bounds, 0, 20 }; |
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31 static ngx_conf_num_bounds_t ngx_http_quic_active_connection_id_limit_bounds = |
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32 { ngx_conf_check_num_bounds, 2, -1 }; |
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33 |
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34 |
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35 static ngx_command_t ngx_http_quic_commands[] = { |
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36 |
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37 { ngx_string("quic_max_idle_timeout"), |
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38 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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39 ngx_conf_set_msec_slot, |
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40 NGX_HTTP_SRV_CONF_OFFSET, |
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41 offsetof(ngx_quic_conf_t, tp.max_idle_timeout), |
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42 NULL }, |
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43 |
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44 { ngx_string("quic_max_ack_delay"), |
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45 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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46 ngx_conf_set_msec_slot, |
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47 NGX_HTTP_SRV_CONF_OFFSET, |
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48 offsetof(ngx_quic_conf_t, tp.max_ack_delay), |
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49 &ngx_http_quic_max_ack_delay_post }, |
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50 |
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51 { ngx_string("quic_max_udp_payload_size"), |
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52 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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53 ngx_conf_set_size_slot, |
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54 NGX_HTTP_SRV_CONF_OFFSET, |
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55 offsetof(ngx_quic_conf_t, tp.max_udp_payload_size), |
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56 &ngx_http_quic_max_udp_payload_size_post }, |
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57 |
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58 { ngx_string("quic_initial_max_data"), |
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59 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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60 ngx_conf_set_size_slot, |
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61 NGX_HTTP_SRV_CONF_OFFSET, |
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62 offsetof(ngx_quic_conf_t, tp.initial_max_data), |
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63 NULL }, |
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64 |
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65 { ngx_string("quic_initial_max_stream_data_bidi_local"), |
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66 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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67 ngx_conf_set_size_slot, |
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68 NGX_HTTP_SRV_CONF_OFFSET, |
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69 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_bidi_local), |
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70 NULL }, |
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71 |
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72 { ngx_string("quic_initial_max_stream_data_bidi_remote"), |
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73 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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74 ngx_conf_set_size_slot, |
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75 NGX_HTTP_SRV_CONF_OFFSET, |
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76 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_bidi_remote), |
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77 NULL }, |
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78 |
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79 { ngx_string("quic_initial_max_stream_data_uni"), |
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80 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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81 ngx_conf_set_size_slot, |
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82 NGX_HTTP_SRV_CONF_OFFSET, |
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83 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_uni), |
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84 NULL }, |
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85 |
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86 { ngx_string("quic_initial_max_streams_bidi"), |
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87 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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88 ngx_conf_set_num_slot, |
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89 NGX_HTTP_SRV_CONF_OFFSET, |
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90 offsetof(ngx_quic_conf_t, tp.initial_max_streams_bidi), |
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91 NULL }, |
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92 |
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93 { ngx_string("quic_initial_max_streams_uni"), |
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94 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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95 ngx_conf_set_num_slot, |
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96 NGX_HTTP_SRV_CONF_OFFSET, |
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97 offsetof(ngx_quic_conf_t, tp.initial_max_streams_uni), |
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98 NULL }, |
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99 |
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100 { ngx_string("quic_ack_delay_exponent"), |
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101 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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102 ngx_conf_set_num_slot, |
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103 NGX_HTTP_SRV_CONF_OFFSET, |
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104 offsetof(ngx_quic_conf_t, tp.ack_delay_exponent), |
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105 &ngx_http_quic_ack_delay_exponent_bounds }, |
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106 |
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107 { ngx_string("quic_disable_active_migration"), |
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108 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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109 ngx_conf_set_flag_slot, |
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110 NGX_HTTP_SRV_CONF_OFFSET, |
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111 offsetof(ngx_quic_conf_t, tp.disable_active_migration), |
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112 NULL }, |
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113 |
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114 { ngx_string("quic_active_connection_id_limit"), |
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115 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, |
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116 ngx_conf_set_num_slot, |
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117 NGX_HTTP_SRV_CONF_OFFSET, |
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118 offsetof(ngx_quic_conf_t, tp.active_connection_id_limit), |
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119 &ngx_http_quic_active_connection_id_limit_bounds }, |
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120 |
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121 { ngx_string("quic_retry"), |
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122 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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123 ngx_conf_set_flag_slot, |
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124 NGX_HTTP_SRV_CONF_OFFSET, |
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125 offsetof(ngx_quic_conf_t, retry), |
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126 NULL }, |
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127 |
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128 { ngx_string("quic_stateless_reset_token_key"), |
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129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG, |
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130 ngx_conf_set_str_slot, |
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131 NGX_HTTP_SRV_CONF_OFFSET, |
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132 offsetof(ngx_quic_conf_t, sr_token_key), |
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133 NULL }, |
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134 |
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135 ngx_null_command |
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136 }; |
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137 |
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138 |
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139 static ngx_http_module_t ngx_http_quic_module_ctx = { |
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140 ngx_http_quic_add_variables, /* preconfiguration */ |
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141 NULL, /* postconfiguration */ |
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142 |
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143 NULL, /* create main configuration */ |
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144 NULL, /* init main configuration */ |
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145 |
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146 ngx_http_quic_create_srv_conf, /* create server configuration */ |
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147 ngx_http_quic_merge_srv_conf, /* merge server configuration */ |
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148 |
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149 NULL, /* create location configuration */ |
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150 NULL /* merge location configuration */ |
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151 }; |
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152 |
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153 |
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154 ngx_module_t ngx_http_quic_module = { |
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155 NGX_MODULE_V1, |
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156 &ngx_http_quic_module_ctx, /* module context */ |
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157 ngx_http_quic_commands, /* module directives */ |
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158 NGX_HTTP_MODULE, /* module type */ |
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159 NULL, /* init master */ |
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160 NULL, /* init module */ |
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161 NULL, /* init process */ |
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162 NULL, /* init thread */ |
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163 NULL, /* exit thread */ |
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164 NULL, /* exit process */ |
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165 NULL, /* exit master */ |
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166 NGX_MODULE_V1_PADDING |
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167 }; |
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168 |
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169 |
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170 static ngx_http_variable_t ngx_http_quic_vars[] = { |
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171 |
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172 { ngx_string("quic"), NULL, ngx_http_variable_quic, 0, 0, 0 }, |
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173 |
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174 ngx_http_null_variable |
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175 }; |
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176 |
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177 |
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178 ngx_int_t |
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179 ngx_http_quic_init(ngx_connection_t *c) |
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180 { |
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181 ngx_quic_conf_t *qcf; |
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182 ngx_http_connection_t *hc, *phc; |
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183 ngx_http_core_loc_conf_t *clcf; |
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184 |
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185 hc = c->data; |
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186 |
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187 hc->ssl = 1; |
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188 |
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189 if (c->quic == NULL) { |
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190 c->log->connection = c->number; |
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191 |
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192 qcf = ngx_http_get_module_srv_conf(hc->conf_ctx, ngx_http_quic_module); |
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193 |
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194 ngx_quic_run(c, qcf); |
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195 |
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196 return NGX_DONE; |
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197 } |
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198 |
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199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "http init quic stream"); |
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200 |
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201 phc = c->quic->parent->data; |
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202 |
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203 if (phc->ssl_servername) { |
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204 hc->ssl_servername = phc->ssl_servername; |
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205 hc->conf_ctx = phc->conf_ctx; |
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206 |
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207 clcf = ngx_http_get_module_loc_conf(hc->conf_ctx, ngx_http_core_module); |
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208 ngx_set_connection_log(c, clcf->error_log); |
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209 } |
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210 |
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211 return NGX_OK; |
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212 } |
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213 |
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214 |
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215 static ngx_int_t |
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216 ngx_http_variable_quic(ngx_http_request_t *r, |
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217 ngx_http_variable_value_t *v, uintptr_t data) |
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218 { |
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219 if (r->connection->quic) { |
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220 |
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221 v->len = 4; |
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222 v->valid = 1; |
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223 v->no_cacheable = 1; |
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224 v->not_found = 0; |
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225 v->data = (u_char *) "quic"; |
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226 return NGX_OK; |
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227 } |
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228 |
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229 v->not_found = 1; |
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230 |
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231 return NGX_OK; |
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232 } |
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233 |
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234 |
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235 static ngx_int_t |
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236 ngx_http_quic_add_variables(ngx_conf_t *cf) |
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237 { |
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238 ngx_http_variable_t *var, *v; |
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239 |
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240 for (v = ngx_http_quic_vars; v->name.len; v++) { |
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241 var = ngx_http_add_variable(cf, &v->name, v->flags); |
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242 if (var == NULL) { |
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243 return NGX_ERROR; |
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244 } |
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245 |
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246 var->get_handler = v->get_handler; |
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247 var->data = v->data; |
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248 } |
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249 |
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250 return NGX_OK; |
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251 } |
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252 |
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253 |
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254 static void * |
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255 ngx_http_quic_create_srv_conf(ngx_conf_t *cf) |
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256 { |
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257 ngx_quic_conf_t *conf; |
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258 |
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259 conf = ngx_pcalloc(cf->pool, sizeof(ngx_quic_conf_t)); |
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260 if (conf == NULL) { |
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261 return NULL; |
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262 } |
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263 |
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264 /* |
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265 * set by ngx_pcalloc(): |
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266 * |
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267 * conf->tp.original_dcid = { 0, NULL }; |
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268 * conf->tp.initial_scid = { 0, NULL }; |
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269 * conf->tp.retry_scid = { 0, NULL }; |
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270 * conf->tp.sr_token = { 0 } |
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271 * conf->tp.sr_enabled = 0 |
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272 * conf->tp.preferred_address = NULL |
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273 * conf->sr_token_key = { 0, NULL } |
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274 */ |
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275 |
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276 conf->tp.max_idle_timeout = NGX_CONF_UNSET_MSEC; |
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277 conf->tp.max_ack_delay = NGX_CONF_UNSET_MSEC; |
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278 conf->tp.max_udp_payload_size = NGX_CONF_UNSET_SIZE; |
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279 conf->tp.initial_max_data = NGX_CONF_UNSET_SIZE; |
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280 conf->tp.initial_max_stream_data_bidi_local = NGX_CONF_UNSET_SIZE; |
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281 conf->tp.initial_max_stream_data_bidi_remote = NGX_CONF_UNSET_SIZE; |
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282 conf->tp.initial_max_stream_data_uni = NGX_CONF_UNSET_SIZE; |
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283 conf->tp.initial_max_streams_bidi = NGX_CONF_UNSET_UINT; |
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284 conf->tp.initial_max_streams_uni = NGX_CONF_UNSET_UINT; |
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285 conf->tp.ack_delay_exponent = NGX_CONF_UNSET_UINT; |
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286 conf->tp.disable_active_migration = NGX_CONF_UNSET; |
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287 conf->tp.active_connection_id_limit = NGX_CONF_UNSET_UINT; |
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288 |
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289 conf->retry = NGX_CONF_UNSET; |
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290 conf->require_alpn = 1; |
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291 |
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292 return conf; |
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293 } |
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294 |
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295 |
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296 static char * |
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297 ngx_http_quic_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
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298 { |
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299 ngx_quic_conf_t *prev = parent; |
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300 ngx_quic_conf_t *conf = child; |
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301 |
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302 ngx_http_ssl_srv_conf_t *sscf; |
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303 |
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304 ngx_conf_merge_msec_value(conf->tp.max_idle_timeout, |
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305 prev->tp.max_idle_timeout, 60000); |
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306 |
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307 ngx_conf_merge_msec_value(conf->tp.max_ack_delay, |
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308 prev->tp.max_ack_delay, |
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309 NGX_QUIC_DEFAULT_MAX_ACK_DELAY); |
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310 |
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311 ngx_conf_merge_size_value(conf->tp.max_udp_payload_size, |
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312 prev->tp.max_udp_payload_size, |
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313 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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314 |
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315 ngx_conf_merge_size_value(conf->tp.initial_max_data, |
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316 prev->tp.initial_max_data, |
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317 16 * NGX_QUIC_STREAM_BUFSIZE); |
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318 |
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319 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_bidi_local, |
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320 prev->tp.initial_max_stream_data_bidi_local, |
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321 NGX_QUIC_STREAM_BUFSIZE); |
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322 |
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323 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_bidi_remote, |
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324 prev->tp.initial_max_stream_data_bidi_remote, |
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325 NGX_QUIC_STREAM_BUFSIZE); |
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326 |
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327 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_uni, |
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328 prev->tp.initial_max_stream_data_uni, |
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329 NGX_QUIC_STREAM_BUFSIZE); |
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330 |
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331 ngx_conf_merge_uint_value(conf->tp.initial_max_streams_bidi, |
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332 prev->tp.initial_max_streams_bidi, 16); |
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333 |
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334 ngx_conf_merge_uint_value(conf->tp.initial_max_streams_uni, |
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335 prev->tp.initial_max_streams_uni, 16); |
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336 |
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337 ngx_conf_merge_uint_value(conf->tp.ack_delay_exponent, |
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338 prev->tp.ack_delay_exponent, |
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339 NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT); |
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340 |
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341 ngx_conf_merge_value(conf->tp.disable_active_migration, |
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342 prev->tp.disable_active_migration, 0); |
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343 |
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344 ngx_conf_merge_uint_value(conf->tp.active_connection_id_limit, |
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|
345 prev->tp.active_connection_id_limit, 2); |
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346 |
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347 ngx_conf_merge_value(conf->retry, prev->retry, 0); |
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348 |
8279 | 349 if (RAND_bytes(conf->token_key, sizeof(conf->token_key)) <= 0) { |
350 return NGX_CONF_ERROR; | |
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351 } |
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352 |
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353 ngx_conf_merge_str_value(conf->sr_token_key, prev->sr_token_key, ""); |
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354 |
8204
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355 if (conf->sr_token_key.len == 0) { |
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356 conf->sr_token_key.len = NGX_QUIC_DEFAULT_SRT_KEY_LEN; |
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357 |
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358 conf->sr_token_key.data = ngx_pnalloc(cf->pool, conf->sr_token_key.len); |
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359 if (conf->sr_token_key.data == NULL) { |
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360 return NGX_CONF_ERROR; |
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361 } |
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362 |
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363 if (RAND_bytes(conf->sr_token_key.data, conf->sr_token_key.len) <= 0) { |
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364 return NGX_CONF_ERROR; |
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365 } |
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366 } |
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367 |
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368 sscf = ngx_http_conf_get_module_srv_conf(cf, ngx_http_ssl_module); |
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369 conf->ssl = &sscf->ssl; |
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370 |
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371 return NGX_CONF_OK; |
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372 } |
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373 |
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374 |
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375 static char * |
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376 ngx_http_quic_max_ack_delay(ngx_conf_t *cf, void *post, void *data) |
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377 { |
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378 ngx_msec_t *sp = data; |
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379 |
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380 if (*sp > 16384) { |
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381 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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382 "\"quic_max_ack_delay\" must be less than 16384"); |
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383 |
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384 return NGX_CONF_ERROR; |
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385 } |
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386 |
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387 return NGX_CONF_OK; |
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388 } |
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389 |
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390 |
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391 static char * |
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392 ngx_http_quic_max_udp_payload_size(ngx_conf_t *cf, void *post, void *data) |
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393 { |
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394 size_t *sp = data; |
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395 |
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396 if (*sp < NGX_QUIC_MIN_INITIAL_SIZE |
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397 || *sp > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) |
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398 { |
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399 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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400 "\"quic_max_udp_payload_size\" must be between " |
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401 "%d and %d", |
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|
402 NGX_QUIC_MIN_INITIAL_SIZE, |
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|
403 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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parents:
diff
changeset
|
404 |
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parents:
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|
405 return NGX_CONF_ERROR; |
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parents:
diff
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|
406 } |
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parents:
diff
changeset
|
407 |
0d2b2664b41c
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diff
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|
408 return NGX_CONF_OK; |
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409 } |