Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_quic_module.c @ 8058:357b8afe915e quic
HTTP/3: request more client body bytes.
Previously the request body DATA frame header was read by one byte because
filters were called only when the requested number of bytes were read. Now,
after 08ff2e10ae92 (1.19.2), filters are called after each read. More bytes
can be read at once, which simplifies and optimizes the code.
This also reduces diff with the default branch.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Tue, 18 Aug 2020 17:23:16 +0300 |
parents | 893b3313f53c |
children | bed310672f39 |
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_stream.h> |
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11 |
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12 |
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13 static ngx_int_t ngx_stream_variable_quic(ngx_stream_session_t *s, |
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14 ngx_stream_variable_value_t *v, uintptr_t data); |
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15 static ngx_int_t ngx_stream_quic_add_variables(ngx_conf_t *cf); |
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16 static void *ngx_stream_quic_create_srv_conf(ngx_conf_t *cf); |
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17 static char *ngx_stream_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_stream_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_stream_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_stream_quic_max_ack_delay_post = |
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26 { ngx_stream_quic_max_ack_delay }; |
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27 static ngx_conf_post_t ngx_stream_quic_max_udp_payload_size_post = |
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28 { ngx_stream_quic_max_udp_payload_size }; |
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29 static ngx_conf_num_bounds_t ngx_stream_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 |
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32 ngx_stream_quic_active_connection_id_limit_bounds = |
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33 { ngx_conf_check_num_bounds, 2, -1 }; |
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34 |
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35 |
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36 static ngx_command_t ngx_stream_quic_commands[] = { |
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37 |
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38 { ngx_string("quic_max_idle_timeout"), |
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39 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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40 ngx_conf_set_msec_slot, |
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41 NGX_STREAM_SRV_CONF_OFFSET, |
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42 offsetof(ngx_quic_conf_t, tp.max_idle_timeout), |
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43 NULL }, |
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44 |
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45 { ngx_string("quic_max_ack_delay"), |
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46 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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47 ngx_conf_set_msec_slot, |
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48 NGX_STREAM_SRV_CONF_OFFSET, |
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49 offsetof(ngx_quic_conf_t, tp.max_ack_delay), |
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50 &ngx_stream_quic_max_ack_delay_post }, |
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51 |
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52 { ngx_string("quic_max_udp_payload_size"), |
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53 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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54 ngx_conf_set_size_slot, |
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55 NGX_STREAM_SRV_CONF_OFFSET, |
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56 offsetof(ngx_quic_conf_t, tp.max_udp_payload_size), |
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57 &ngx_stream_quic_max_udp_payload_size_post }, |
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58 |
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59 { ngx_string("quic_initial_max_data"), |
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60 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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61 ngx_conf_set_size_slot, |
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62 NGX_STREAM_SRV_CONF_OFFSET, |
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63 offsetof(ngx_quic_conf_t, tp.initial_max_data), |
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64 NULL }, |
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65 |
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66 { ngx_string("quic_initial_max_stream_data_bidi_local"), |
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67 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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68 ngx_conf_set_size_slot, |
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69 NGX_STREAM_SRV_CONF_OFFSET, |
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70 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_bidi_local), |
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71 NULL }, |
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72 |
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73 { ngx_string("quic_initial_max_stream_data_bidi_remote"), |
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74 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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75 ngx_conf_set_size_slot, |
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76 NGX_STREAM_SRV_CONF_OFFSET, |
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77 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_bidi_remote), |
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78 NULL }, |
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79 |
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80 { ngx_string("quic_initial_max_stream_data_uni"), |
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81 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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82 ngx_conf_set_size_slot, |
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83 NGX_STREAM_SRV_CONF_OFFSET, |
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84 offsetof(ngx_quic_conf_t, tp.initial_max_stream_data_uni), |
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85 NULL }, |
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86 |
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87 { ngx_string("quic_initial_max_streams_bidi"), |
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88 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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89 ngx_conf_set_num_slot, |
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90 NGX_STREAM_SRV_CONF_OFFSET, |
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91 offsetof(ngx_quic_conf_t, tp.initial_max_streams_bidi), |
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92 NULL }, |
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93 |
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94 { ngx_string("quic_initial_max_streams_uni"), |
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95 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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96 ngx_conf_set_num_slot, |
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97 NGX_STREAM_SRV_CONF_OFFSET, |
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98 offsetof(ngx_quic_conf_t, tp.initial_max_streams_uni), |
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99 NULL }, |
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100 |
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101 { ngx_string("quic_ack_delay_exponent"), |
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102 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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103 ngx_conf_set_num_slot, |
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104 NGX_STREAM_SRV_CONF_OFFSET, |
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105 offsetof(ngx_quic_conf_t, tp.ack_delay_exponent), |
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106 &ngx_stream_quic_ack_delay_exponent_bounds }, |
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107 |
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108 { ngx_string("quic_active_migration"), |
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109 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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110 ngx_conf_set_num_slot, |
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111 NGX_STREAM_SRV_CONF_OFFSET, |
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112 offsetof(ngx_quic_conf_t, tp.disable_active_migration), |
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113 NULL }, |
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114 |
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115 { ngx_string("quic_active_connection_id_limit"), |
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116 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_TAKE1, |
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117 ngx_conf_set_num_slot, |
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118 NGX_STREAM_SRV_CONF_OFFSET, |
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119 offsetof(ngx_quic_conf_t, tp.active_connection_id_limit), |
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120 &ngx_stream_quic_active_connection_id_limit_bounds }, |
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121 |
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122 { ngx_string("quic_retry"), |
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123 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_FLAG, |
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124 ngx_conf_set_flag_slot, |
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125 NGX_STREAM_SRV_CONF_OFFSET, |
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126 offsetof(ngx_quic_conf_t, retry), |
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127 NULL }, |
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128 |
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129 ngx_null_command |
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130 }; |
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131 |
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132 |
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133 static ngx_stream_module_t ngx_stream_quic_module_ctx = { |
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134 ngx_stream_quic_add_variables, /* preconfiguration */ |
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135 NULL, /* postconfiguration */ |
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136 |
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137 NULL, /* create main configuration */ |
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138 NULL, /* init main configuration */ |
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139 |
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140 ngx_stream_quic_create_srv_conf, /* create server configuration */ |
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141 ngx_stream_quic_merge_srv_conf, /* merge server configuration */ |
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142 }; |
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143 |
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144 |
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145 ngx_module_t ngx_stream_quic_module = { |
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146 NGX_MODULE_V1, |
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147 &ngx_stream_quic_module_ctx, /* module context */ |
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148 ngx_stream_quic_commands, /* module directives */ |
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149 NGX_STREAM_MODULE, /* module type */ |
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150 NULL, /* init master */ |
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151 NULL, /* init module */ |
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152 NULL, /* init process */ |
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153 NULL, /* init thread */ |
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154 NULL, /* exit thread */ |
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155 NULL, /* exit process */ |
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156 NULL, /* exit master */ |
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157 NGX_MODULE_V1_PADDING |
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158 }; |
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159 |
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160 |
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161 static ngx_stream_variable_t ngx_stream_quic_vars[] = { |
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162 |
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163 { ngx_string("quic"), NULL, ngx_stream_variable_quic, 0, 0, 0 }, |
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164 |
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165 ngx_stream_null_variable |
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166 }; |
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167 |
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168 |
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169 static ngx_int_t |
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170 ngx_stream_variable_quic(ngx_stream_session_t *s, |
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171 ngx_stream_variable_value_t *v, uintptr_t data) |
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172 { |
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173 if (s->connection->qs) { |
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174 |
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175 v->len = 4; |
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176 v->valid = 1; |
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177 v->no_cacheable = 1; |
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178 v->not_found = 0; |
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179 v->data = (u_char *) "quic"; |
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180 return NGX_OK; |
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181 } |
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182 |
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183 v->not_found = 1; |
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184 |
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185 return NGX_OK; |
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186 } |
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187 |
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188 |
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189 static ngx_int_t |
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190 ngx_stream_quic_add_variables(ngx_conf_t *cf) |
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191 { |
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192 ngx_stream_variable_t *var, *v; |
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193 |
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194 for (v = ngx_stream_quic_vars; v->name.len; v++) { |
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195 var = ngx_stream_add_variable(cf, &v->name, v->flags); |
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196 if (var == NULL) { |
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197 return NGX_ERROR; |
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198 } |
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199 |
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200 var->get_handler = v->get_handler; |
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201 var->data = v->data; |
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202 } |
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203 |
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204 return NGX_OK; |
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205 } |
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206 |
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207 |
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208 static void * |
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209 ngx_stream_quic_create_srv_conf(ngx_conf_t *cf) |
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210 { |
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211 ngx_quic_conf_t *conf; |
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212 |
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213 conf = ngx_pcalloc(cf->pool, sizeof(ngx_quic_conf_t)); |
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214 if (conf == NULL) { |
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215 return NULL; |
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216 } |
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217 |
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218 /* |
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219 * set by ngx_pcalloc(): |
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220 * |
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221 * conf->tp.original_dcid = { 0, NULL }; |
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222 * conf->tp.initial_scid = { 0, NULL }; |
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223 * conf->tp.retry_scid = { 0, NULL }; |
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224 * conf->tp.stateless_reset_token = { 0 } |
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225 * conf->tp.preferred_address = NULL |
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226 * conf->require_alpn = 0; |
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227 */ |
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228 |
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229 conf->tp.max_idle_timeout = NGX_CONF_UNSET_MSEC; |
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230 conf->tp.max_ack_delay = NGX_CONF_UNSET_MSEC; |
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231 conf->tp.max_udp_payload_size = NGX_CONF_UNSET_SIZE; |
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232 conf->tp.initial_max_data = NGX_CONF_UNSET_SIZE; |
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233 conf->tp.initial_max_stream_data_bidi_local = NGX_CONF_UNSET_SIZE; |
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234 conf->tp.initial_max_stream_data_bidi_remote = NGX_CONF_UNSET_SIZE; |
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235 conf->tp.initial_max_stream_data_uni = NGX_CONF_UNSET_SIZE; |
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236 conf->tp.initial_max_streams_bidi = NGX_CONF_UNSET_UINT; |
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237 conf->tp.initial_max_streams_uni = NGX_CONF_UNSET_UINT; |
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238 conf->tp.ack_delay_exponent = NGX_CONF_UNSET_UINT; |
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239 conf->tp.disable_active_migration = NGX_CONF_UNSET_UINT; |
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240 conf->tp.active_connection_id_limit = NGX_CONF_UNSET_UINT; |
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241 |
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242 conf->retry = NGX_CONF_UNSET; |
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243 |
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244 return conf; |
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245 } |
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246 |
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247 |
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248 static char * |
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249 ngx_stream_quic_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
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250 { |
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251 ngx_quic_conf_t *prev = parent; |
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252 ngx_quic_conf_t *conf = child; |
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253 |
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254 ngx_conf_merge_msec_value(conf->tp.max_idle_timeout, |
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255 prev->tp.max_idle_timeout, 60000); |
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256 |
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257 ngx_conf_merge_msec_value(conf->tp.max_ack_delay, |
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258 prev->tp.max_ack_delay, |
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259 NGX_QUIC_DEFAULT_MAX_ACK_DELAY); |
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260 |
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261 ngx_conf_merge_size_value(conf->tp.max_udp_payload_size, |
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262 prev->tp.max_udp_payload_size, |
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263 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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264 |
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265 ngx_conf_merge_size_value(conf->tp.initial_max_data, |
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266 prev->tp.initial_max_data, |
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267 16 * NGX_QUIC_STREAM_BUFSIZE); |
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268 |
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269 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_bidi_local, |
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270 prev->tp.initial_max_stream_data_bidi_local, |
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271 NGX_QUIC_STREAM_BUFSIZE); |
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272 |
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273 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_bidi_remote, |
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274 prev->tp.initial_max_stream_data_bidi_remote, |
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275 NGX_QUIC_STREAM_BUFSIZE); |
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276 |
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277 ngx_conf_merge_size_value(conf->tp.initial_max_stream_data_uni, |
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278 prev->tp.initial_max_stream_data_uni, |
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279 NGX_QUIC_STREAM_BUFSIZE); |
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280 |
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281 ngx_conf_merge_uint_value(conf->tp.initial_max_streams_bidi, |
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282 prev->tp.initial_max_streams_bidi, 16); |
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283 |
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284 ngx_conf_merge_uint_value(conf->tp.initial_max_streams_uni, |
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285 prev->tp.initial_max_streams_uni, 16); |
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286 |
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287 ngx_conf_merge_uint_value(conf->tp.ack_delay_exponent, |
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288 prev->tp.ack_delay_exponent, |
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289 NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT); |
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290 |
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291 ngx_conf_merge_uint_value(conf->tp.disable_active_migration, |
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292 prev->tp.disable_active_migration, 1); |
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293 |
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294 ngx_conf_merge_uint_value(conf->tp.active_connection_id_limit, |
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295 prev->tp.active_connection_id_limit, 2); |
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296 |
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297 ngx_conf_merge_value(conf->retry, prev->retry, 0); |
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298 |
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299 if (conf->retry) { |
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300 if (RAND_bytes(conf->token_key, sizeof(conf->token_key)) <= 0) { |
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301 return NGX_CONF_ERROR; |
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302 } |
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|
303 } |
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304 |
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305 return NGX_CONF_OK; |
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306 } |
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307 |
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308 |
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309 static char * |
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310 ngx_stream_quic_max_ack_delay(ngx_conf_t *cf, void *post, void *data) |
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311 { |
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312 ngx_msec_t *sp = data; |
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313 |
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314 if (*sp > 16384) { |
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315 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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316 "\"quic_max_ack_delay\" must be less than 16384"); |
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317 |
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318 return NGX_CONF_ERROR; |
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|
319 } |
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320 |
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321 return NGX_CONF_OK; |
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|
322 } |
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323 |
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324 |
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325 static char * |
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|
326 ngx_stream_quic_max_udp_payload_size(ngx_conf_t *cf, void *post, void *data) |
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|
327 { |
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|
328 size_t *sp = data; |
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329 |
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330 if (*sp < NGX_QUIC_MIN_INITIAL_SIZE |
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331 || *sp > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) |
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|
332 { |
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|
333 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
334 "\"quic_max_udp_payload_size\" must be between " |
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|
335 "%d and %d", |
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|
336 NGX_QUIC_MIN_INITIAL_SIZE, |
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|
337 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE); |
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338 |
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339 return NGX_CONF_ERROR; |
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340 } |
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341 |
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342 return NGX_CONF_OK; |
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343 } |