Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream_upstream.c @ 8224:4a69fec53b2f
Configure: initialization of NGX_ADDON_SRCS.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 10 Nov 2020 17:13:17 +0300 |
parents | 860d3907da1c |
children |
rev | line source |
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6115 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 | |
12 | |
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13 static ngx_int_t ngx_stream_upstream_add_variables(ngx_conf_t *cf); |
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14 static ngx_int_t ngx_stream_upstream_addr_variable(ngx_stream_session_t *s, |
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15 ngx_stream_variable_value_t *v, uintptr_t data); |
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16 static ngx_int_t ngx_stream_upstream_response_time_variable( |
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17 ngx_stream_session_t *s, ngx_stream_variable_value_t *v, uintptr_t data); |
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18 static ngx_int_t ngx_stream_upstream_bytes_variable(ngx_stream_session_t *s, |
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19 ngx_stream_variable_value_t *v, uintptr_t data); |
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20 |
6115 | 21 static char *ngx_stream_upstream(ngx_conf_t *cf, ngx_command_t *cmd, |
22 void *dummy); | |
23 static char *ngx_stream_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
24 void *conf); | |
25 static void *ngx_stream_upstream_create_main_conf(ngx_conf_t *cf); | |
26 static char *ngx_stream_upstream_init_main_conf(ngx_conf_t *cf, void *conf); | |
27 | |
28 | |
29 static ngx_command_t ngx_stream_upstream_commands[] = { | |
30 | |
31 { ngx_string("upstream"), | |
32 NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1, | |
33 ngx_stream_upstream, | |
34 0, | |
35 0, | |
36 NULL }, | |
37 | |
38 { ngx_string("server"), | |
39 NGX_STREAM_UPS_CONF|NGX_CONF_1MORE, | |
40 ngx_stream_upstream_server, | |
41 NGX_STREAM_SRV_CONF_OFFSET, | |
42 0, | |
43 NULL }, | |
44 | |
45 ngx_null_command | |
46 }; | |
47 | |
48 | |
49 static ngx_stream_module_t ngx_stream_upstream_module_ctx = { | |
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50 ngx_stream_upstream_add_variables, /* preconfiguration */ |
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51 NULL, /* postconfiguration */ |
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52 |
6115 | 53 ngx_stream_upstream_create_main_conf, /* create main configuration */ |
54 ngx_stream_upstream_init_main_conf, /* init main configuration */ | |
55 | |
56 NULL, /* create server configuration */ | |
6629 | 57 NULL /* merge server configuration */ |
6115 | 58 }; |
59 | |
60 | |
61 ngx_module_t ngx_stream_upstream_module = { | |
62 NGX_MODULE_V1, | |
63 &ngx_stream_upstream_module_ctx, /* module context */ | |
64 ngx_stream_upstream_commands, /* module directives */ | |
65 NGX_STREAM_MODULE, /* module type */ | |
66 NULL, /* init master */ | |
67 NULL, /* init module */ | |
68 NULL, /* init process */ | |
69 NULL, /* init thread */ | |
70 NULL, /* exit thread */ | |
71 NULL, /* exit process */ | |
72 NULL, /* exit master */ | |
73 NGX_MODULE_V1_PADDING | |
74 }; | |
75 | |
76 | |
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77 static ngx_stream_variable_t ngx_stream_upstream_vars[] = { |
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78 |
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79 { ngx_string("upstream_addr"), NULL, |
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80 ngx_stream_upstream_addr_variable, 0, |
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81 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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82 |
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83 { ngx_string("upstream_bytes_sent"), NULL, |
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84 ngx_stream_upstream_bytes_variable, 0, |
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85 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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86 |
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87 { ngx_string("upstream_connect_time"), NULL, |
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88 ngx_stream_upstream_response_time_variable, 2, |
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89 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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90 |
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91 { ngx_string("upstream_first_byte_time"), NULL, |
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92 ngx_stream_upstream_response_time_variable, 1, |
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93 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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94 |
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95 { ngx_string("upstream_session_time"), NULL, |
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96 ngx_stream_upstream_response_time_variable, 0, |
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97 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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98 |
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99 { ngx_string("upstream_bytes_received"), NULL, |
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100 ngx_stream_upstream_bytes_variable, 1, |
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101 NGX_STREAM_VAR_NOCACHEABLE, 0 }, |
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102 |
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103 ngx_stream_null_variable |
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104 }; |
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105 |
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106 |
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107 static ngx_int_t |
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108 ngx_stream_upstream_add_variables(ngx_conf_t *cf) |
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109 { |
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110 ngx_stream_variable_t *var, *v; |
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111 |
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112 for (v = ngx_stream_upstream_vars; v->name.len; v++) { |
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113 var = ngx_stream_add_variable(cf, &v->name, v->flags); |
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114 if (var == NULL) { |
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115 return NGX_ERROR; |
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116 } |
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117 |
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118 var->get_handler = v->get_handler; |
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119 var->data = v->data; |
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120 } |
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121 |
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122 return NGX_OK; |
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123 } |
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124 |
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125 |
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126 static ngx_int_t |
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127 ngx_stream_upstream_addr_variable(ngx_stream_session_t *s, |
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128 ngx_stream_variable_value_t *v, uintptr_t data) |
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129 { |
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130 u_char *p; |
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131 size_t len; |
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132 ngx_uint_t i; |
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133 ngx_stream_upstream_state_t *state; |
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134 |
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135 v->valid = 1; |
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136 v->no_cacheable = 0; |
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137 v->not_found = 0; |
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138 |
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139 if (s->upstream_states == NULL || s->upstream_states->nelts == 0) { |
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140 v->not_found = 1; |
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141 return NGX_OK; |
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142 } |
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143 |
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144 len = 0; |
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145 state = s->upstream_states->elts; |
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146 |
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147 for (i = 0; i < s->upstream_states->nelts; i++) { |
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148 if (state[i].peer) { |
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149 len += state[i].peer->len; |
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150 } |
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151 |
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152 len += 2; |
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153 } |
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154 |
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155 p = ngx_pnalloc(s->connection->pool, len); |
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156 if (p == NULL) { |
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157 return NGX_ERROR; |
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158 } |
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159 |
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160 v->data = p; |
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161 |
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162 i = 0; |
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163 |
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164 for ( ;; ) { |
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165 if (state[i].peer) { |
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166 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); |
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167 } |
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168 |
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169 if (++i == s->upstream_states->nelts) { |
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170 break; |
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171 } |
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172 |
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173 *p++ = ','; |
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174 *p++ = ' '; |
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Stream: the $upstream_addr variable.
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175 } |
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176 |
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177 v->len = p - v->data; |
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178 |
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179 return NGX_OK; |
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180 } |
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181 |
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182 |
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183 static ngx_int_t |
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184 ngx_stream_upstream_bytes_variable(ngx_stream_session_t *s, |
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185 ngx_stream_variable_value_t *v, uintptr_t data) |
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186 { |
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187 u_char *p; |
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188 size_t len; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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189 ngx_uint_t i; |
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190 ngx_stream_upstream_state_t *state; |
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191 |
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192 v->valid = 1; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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193 v->no_cacheable = 0; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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194 v->not_found = 0; |
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195 |
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196 if (s->upstream_states == NULL || s->upstream_states->nelts == 0) { |
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197 v->not_found = 1; |
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198 return NGX_OK; |
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199 } |
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200 |
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201 len = s->upstream_states->nelts * (NGX_OFF_T_LEN + 2); |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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202 |
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203 p = ngx_pnalloc(s->connection->pool, len); |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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204 if (p == NULL) { |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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205 return NGX_ERROR; |
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206 } |
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207 |
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208 v->data = p; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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209 |
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210 i = 0; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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211 state = s->upstream_states->elts; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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212 |
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213 for ( ;; ) { |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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214 |
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215 if (data == 1) { |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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216 p = ngx_sprintf(p, "%O", state[i].bytes_received); |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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217 |
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218 } else { |
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219 p = ngx_sprintf(p, "%O", state[i].bytes_sent); |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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220 } |
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221 |
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222 if (++i == s->upstream_states->nelts) { |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
223 break; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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224 } |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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225 |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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226 *p++ = ','; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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227 *p++ = ' '; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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228 } |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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229 |
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230 v->len = p - v->data; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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231 |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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232 return NGX_OK; |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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233 } |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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234 |
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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235 |
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|
236 static ngx_int_t |
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237 ngx_stream_upstream_response_time_variable(ngx_stream_session_t *s, |
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Stream: upstream response time variables.
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|
238 ngx_stream_variable_value_t *v, uintptr_t data) |
c02290241cbe
Stream: upstream response time variables.
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|
239 { |
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Stream: upstream response time variables.
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|
240 u_char *p; |
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Stream: upstream response time variables.
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|
241 size_t len; |
c02290241cbe
Stream: upstream response time variables.
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|
242 ngx_uint_t i; |
c02290241cbe
Stream: upstream response time variables.
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|
243 ngx_msec_int_t ms; |
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Stream: upstream response time variables.
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|
244 ngx_stream_upstream_state_t *state; |
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Stream: upstream response time variables.
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245 |
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|
246 v->valid = 1; |
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Stream: upstream response time variables.
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|
247 v->no_cacheable = 0; |
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Stream: upstream response time variables.
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|
248 v->not_found = 0; |
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Stream: upstream response time variables.
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249 |
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|
250 if (s->upstream_states == NULL || s->upstream_states->nelts == 0) { |
c02290241cbe
Stream: upstream response time variables.
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|
251 v->not_found = 1; |
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Stream: upstream response time variables.
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|
252 return NGX_OK; |
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Stream: upstream response time variables.
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|
253 } |
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|
254 |
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|
255 len = s->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
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Stream: upstream response time variables.
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|
256 |
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257 p = ngx_pnalloc(s->connection->pool, len); |
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Stream: upstream response time variables.
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|
258 if (p == NULL) { |
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Stream: upstream response time variables.
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|
259 return NGX_ERROR; |
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Stream: upstream response time variables.
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|
260 } |
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Stream: upstream response time variables.
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|
261 |
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|
262 v->data = p; |
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|
263 |
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Stream: upstream response time variables.
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|
264 i = 0; |
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|
265 state = s->upstream_states->elts; |
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Stream: upstream response time variables.
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|
266 |
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Stream: upstream response time variables.
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|
267 for ( ;; ) { |
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Stream: upstream response time variables.
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|
268 |
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Stream: upstream response time variables.
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|
269 if (data == 1) { |
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Stream: upstream response time variables.
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|
270 ms = state[i].first_byte_time; |
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Stream: upstream response time variables.
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|
271 |
7397
860d3907da1c
Upstream: revised upstream response time variables.
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|
272 } else if (data == 2) { |
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Stream: upstream response time variables.
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|
273 ms = state[i].connect_time; |
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Stream: upstream response time variables.
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|
274 |
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Stream: upstream response time variables.
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|
275 } else { |
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|
276 ms = state[i].response_time; |
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Stream: upstream response time variables.
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|
277 } |
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Stream: upstream response time variables.
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|
278 |
7397
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Upstream: revised upstream response time variables.
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|
279 if (ms != -1) { |
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|
280 ms = ngx_max(ms, 0); |
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|
281 p = ngx_sprintf(p, "%T.%03M", (time_t) ms / 1000, ms % 1000); |
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Stream: upstream response time variables.
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282 |
7397
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|
283 } else { |
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Upstream: revised upstream response time variables.
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|
284 *p++ = '-'; |
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Upstream: revised upstream response time variables.
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|
285 } |
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Stream: upstream response time variables.
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|
286 |
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changeset
|
287 if (++i == s->upstream_states->nelts) { |
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Stream: upstream response time variables.
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parents:
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diff
changeset
|
288 break; |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
289 } |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
290 |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
291 *p++ = ','; |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
292 *p++ = ' '; |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
293 } |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
294 |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
295 v->len = p - v->data; |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
296 |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
297 return NGX_OK; |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
298 } |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
299 |
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
300 |
6115 | 301 static char * |
302 ngx_stream_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
303 { | |
304 char *rv; | |
305 void *mconf; | |
306 ngx_str_t *value; | |
307 ngx_url_t u; | |
308 ngx_uint_t m; | |
309 ngx_conf_t pcf; | |
310 ngx_stream_module_t *module; | |
311 ngx_stream_conf_ctx_t *ctx, *stream_ctx; | |
312 ngx_stream_upstream_srv_conf_t *uscf; | |
313 | |
314 ngx_memzero(&u, sizeof(ngx_url_t)); | |
315 | |
316 value = cf->args->elts; | |
317 u.host = value[1]; | |
318 u.no_resolve = 1; | |
319 u.no_port = 1; | |
320 | |
321 uscf = ngx_stream_upstream_add(cf, &u, NGX_STREAM_UPSTREAM_CREATE | |
322 |NGX_STREAM_UPSTREAM_WEIGHT | |
6705 | 323 |NGX_STREAM_UPSTREAM_MAX_CONNS |
6115 | 324 |NGX_STREAM_UPSTREAM_MAX_FAILS |
325 |NGX_STREAM_UPSTREAM_FAIL_TIMEOUT | |
326 |NGX_STREAM_UPSTREAM_DOWN | |
327 |NGX_STREAM_UPSTREAM_BACKUP); | |
328 if (uscf == NULL) { | |
329 return NGX_CONF_ERROR; | |
330 } | |
331 | |
332 | |
333 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t)); | |
334 if (ctx == NULL) { | |
335 return NGX_CONF_ERROR; | |
336 } | |
337 | |
338 stream_ctx = cf->ctx; | |
339 ctx->main_conf = stream_ctx->main_conf; | |
340 | |
341 /* the upstream{}'s srv_conf */ | |
342 | |
343 ctx->srv_conf = ngx_pcalloc(cf->pool, | |
344 sizeof(void *) * ngx_stream_max_module); | |
345 if (ctx->srv_conf == NULL) { | |
346 return NGX_CONF_ERROR; | |
347 } | |
348 | |
349 ctx->srv_conf[ngx_stream_upstream_module.ctx_index] = uscf; | |
350 | |
351 uscf->srv_conf = ctx->srv_conf; | |
352 | |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6174
diff
changeset
|
353 for (m = 0; cf->cycle->modules[m]; m++) { |
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6174
diff
changeset
|
354 if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) { |
6115 | 355 continue; |
356 } | |
357 | |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6174
diff
changeset
|
358 module = cf->cycle->modules[m]->ctx; |
6115 | 359 |
360 if (module->create_srv_conf) { | |
361 mconf = module->create_srv_conf(cf); | |
362 if (mconf == NULL) { | |
363 return NGX_CONF_ERROR; | |
364 } | |
365 | |
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6174
diff
changeset
|
366 ctx->srv_conf[cf->cycle->modules[m]->ctx_index] = mconf; |
6115 | 367 } |
368 } | |
369 | |
370 uscf->servers = ngx_array_create(cf->pool, 4, | |
371 sizeof(ngx_stream_upstream_server_t)); | |
372 if (uscf->servers == NULL) { | |
373 return NGX_CONF_ERROR; | |
374 } | |
375 | |
376 | |
377 /* parse inside upstream{} */ | |
378 | |
379 pcf = *cf; | |
380 cf->ctx = ctx; | |
381 cf->cmd_type = NGX_STREAM_UPS_CONF; | |
382 | |
383 rv = ngx_conf_parse(cf, NULL); | |
384 | |
385 *cf = pcf; | |
386 | |
387 if (rv != NGX_CONF_OK) { | |
388 return rv; | |
389 } | |
390 | |
391 if (uscf->servers->nelts == 0) { | |
392 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
393 "no servers are inside upstream"); | |
394 return NGX_CONF_ERROR; | |
395 } | |
396 | |
397 return rv; | |
398 } | |
399 | |
400 | |
401 static char * | |
402 ngx_stream_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
403 { | |
404 ngx_stream_upstream_srv_conf_t *uscf = conf; | |
405 | |
406 time_t fail_timeout; | |
407 ngx_str_t *value, s; | |
408 ngx_url_t u; | |
6705 | 409 ngx_int_t weight, max_conns, max_fails; |
6115 | 410 ngx_uint_t i; |
411 ngx_stream_upstream_server_t *us; | |
412 | |
413 us = ngx_array_push(uscf->servers); | |
414 if (us == NULL) { | |
415 return NGX_CONF_ERROR; | |
416 } | |
417 | |
418 ngx_memzero(us, sizeof(ngx_stream_upstream_server_t)); | |
419 | |
420 value = cf->args->elts; | |
421 | |
422 weight = 1; | |
6705 | 423 max_conns = 0; |
6115 | 424 max_fails = 1; |
425 fail_timeout = 10; | |
426 | |
427 for (i = 2; i < cf->args->nelts; i++) { | |
428 | |
429 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
430 | |
431 if (!(uscf->flags & NGX_STREAM_UPSTREAM_WEIGHT)) { | |
432 goto not_supported; | |
433 } | |
434 | |
435 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
436 | |
437 if (weight == NGX_ERROR || weight == 0) { | |
438 goto invalid; | |
439 } | |
440 | |
441 continue; | |
442 } | |
443 | |
6705 | 444 if (ngx_strncmp(value[i].data, "max_conns=", 10) == 0) { |
445 | |
446 if (!(uscf->flags & NGX_STREAM_UPSTREAM_MAX_CONNS)) { | |
447 goto not_supported; | |
448 } | |
449 | |
450 max_conns = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
451 | |
452 if (max_conns == NGX_ERROR) { | |
453 goto invalid; | |
454 } | |
455 | |
456 continue; | |
457 } | |
458 | |
6115 | 459 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { |
460 | |
461 if (!(uscf->flags & NGX_STREAM_UPSTREAM_MAX_FAILS)) { | |
462 goto not_supported; | |
463 } | |
464 | |
465 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
466 | |
467 if (max_fails == NGX_ERROR) { | |
468 goto invalid; | |
469 } | |
470 | |
471 continue; | |
472 } | |
473 | |
474 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
475 | |
476 if (!(uscf->flags & NGX_STREAM_UPSTREAM_FAIL_TIMEOUT)) { | |
477 goto not_supported; | |
478 } | |
479 | |
480 s.len = value[i].len - 13; | |
481 s.data = &value[i].data[13]; | |
482 | |
483 fail_timeout = ngx_parse_time(&s, 1); | |
484 | |
485 if (fail_timeout == (time_t) NGX_ERROR) { | |
486 goto invalid; | |
487 } | |
488 | |
489 continue; | |
490 } | |
491 | |
492 if (ngx_strcmp(value[i].data, "backup") == 0) { | |
493 | |
494 if (!(uscf->flags & NGX_STREAM_UPSTREAM_BACKUP)) { | |
495 goto not_supported; | |
496 } | |
497 | |
498 us->backup = 1; | |
499 | |
500 continue; | |
501 } | |
502 | |
503 if (ngx_strcmp(value[i].data, "down") == 0) { | |
504 | |
505 if (!(uscf->flags & NGX_STREAM_UPSTREAM_DOWN)) { | |
506 goto not_supported; | |
507 } | |
508 | |
509 us->down = 1; | |
510 | |
511 continue; | |
512 } | |
513 | |
514 goto invalid; | |
515 } | |
516 | |
517 ngx_memzero(&u, sizeof(ngx_url_t)); | |
518 | |
519 u.url = value[1]; | |
520 | |
521 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { | |
522 if (u.err) { | |
523 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
524 "%s in upstream \"%V\"", u.err, &u.url); | |
525 } | |
526 | |
527 return NGX_CONF_ERROR; | |
528 } | |
529 | |
530 if (u.no_port) { | |
531 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
532 "no port in upstream \"%V\"", &u.url); | |
533 return NGX_CONF_ERROR; | |
534 } | |
535 | |
536 us->name = u.url; | |
537 us->addrs = u.addrs; | |
538 us->naddrs = u.naddrs; | |
539 us->weight = weight; | |
6705 | 540 us->max_conns = max_conns; |
6115 | 541 us->max_fails = max_fails; |
542 us->fail_timeout = fail_timeout; | |
543 | |
544 return NGX_CONF_OK; | |
545 | |
546 invalid: | |
547 | |
548 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
549 "invalid parameter \"%V\"", &value[i]); | |
550 | |
551 return NGX_CONF_ERROR; | |
552 | |
553 not_supported: | |
554 | |
555 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
556 "balancing method does not support parameter \"%V\"", | |
557 &value[i]); | |
558 | |
559 return NGX_CONF_ERROR; | |
560 } | |
561 | |
562 | |
563 ngx_stream_upstream_srv_conf_t * | |
564 ngx_stream_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) | |
565 { | |
566 ngx_uint_t i; | |
567 ngx_stream_upstream_server_t *us; | |
568 ngx_stream_upstream_srv_conf_t *uscf, **uscfp; | |
569 ngx_stream_upstream_main_conf_t *umcf; | |
570 | |
571 if (!(flags & NGX_STREAM_UPSTREAM_CREATE)) { | |
572 | |
573 if (ngx_parse_url(cf->pool, u) != NGX_OK) { | |
574 if (u->err) { | |
575 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
576 "%s in upstream \"%V\"", u->err, &u->url); | |
577 } | |
578 | |
579 return NULL; | |
580 } | |
581 } | |
582 | |
583 umcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_upstream_module); | |
584 | |
585 uscfp = umcf->upstreams.elts; | |
586 | |
587 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
588 | |
589 if (uscfp[i]->host.len != u->host.len | |
590 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) | |
591 != 0) | |
592 { | |
593 continue; | |
594 } | |
595 | |
596 if ((flags & NGX_STREAM_UPSTREAM_CREATE) | |
597 && (uscfp[i]->flags & NGX_STREAM_UPSTREAM_CREATE)) | |
598 { | |
599 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
600 "duplicate upstream \"%V\"", &u->host); | |
601 return NULL; | |
602 } | |
603 | |
604 if ((uscfp[i]->flags & NGX_STREAM_UPSTREAM_CREATE) && !u->no_port) { | |
6699
9cf2dce316e5
Fixed log levels of configuration parsing errors.
Valentin Bartenev <vbart@nginx.com>
parents:
6677
diff
changeset
|
605 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
6115 | 606 "upstream \"%V\" may not have port %d", |
607 &u->host, u->port); | |
608 return NULL; | |
609 } | |
610 | |
611 if ((flags & NGX_STREAM_UPSTREAM_CREATE) && !uscfp[i]->no_port) { | |
6699
9cf2dce316e5
Fixed log levels of configuration parsing errors.
Valentin Bartenev <vbart@nginx.com>
parents:
6677
diff
changeset
|
612 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
6115 | 613 "upstream \"%V\" may not have port %d in %s:%ui", |
614 &u->host, uscfp[i]->port, | |
615 uscfp[i]->file_name, uscfp[i]->line); | |
616 return NULL; | |
617 } | |
618 | |
619 if (uscfp[i]->port != u->port) { | |
620 continue; | |
621 } | |
622 | |
623 if (flags & NGX_STREAM_UPSTREAM_CREATE) { | |
624 uscfp[i]->flags = flags; | |
625 } | |
626 | |
627 return uscfp[i]; | |
628 } | |
629 | |
630 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_upstream_srv_conf_t)); | |
631 if (uscf == NULL) { | |
632 return NULL; | |
633 } | |
634 | |
635 uscf->flags = flags; | |
636 uscf->host = u->host; | |
637 uscf->file_name = cf->conf_file->file.name.data; | |
638 uscf->line = cf->conf_file->line; | |
639 uscf->port = u->port; | |
640 uscf->no_port = u->no_port; | |
641 | |
6459
78fc2dce69e7
Stream: detect port absence in proxy_pass with IP literal.
Roman Arutyunyan <arut@nginx.com>
parents:
6379
diff
changeset
|
642 if (u->naddrs == 1 && (u->port || u->family == AF_UNIX)) { |
6115 | 643 uscf->servers = ngx_array_create(cf->pool, 1, |
644 sizeof(ngx_stream_upstream_server_t)); | |
645 if (uscf->servers == NULL) { | |
646 return NULL; | |
647 } | |
648 | |
649 us = ngx_array_push(uscf->servers); | |
650 if (us == NULL) { | |
651 return NULL; | |
652 } | |
653 | |
654 ngx_memzero(us, sizeof(ngx_stream_upstream_server_t)); | |
655 | |
656 us->addrs = u->addrs; | |
657 us->naddrs = 1; | |
658 } | |
659 | |
660 uscfp = ngx_array_push(&umcf->upstreams); | |
661 if (uscfp == NULL) { | |
662 return NULL; | |
663 } | |
664 | |
665 *uscfp = uscf; | |
666 | |
667 return uscf; | |
668 } | |
669 | |
670 | |
671 static void * | |
672 ngx_stream_upstream_create_main_conf(ngx_conf_t *cf) | |
673 { | |
674 ngx_stream_upstream_main_conf_t *umcf; | |
675 | |
676 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_upstream_main_conf_t)); | |
677 if (umcf == NULL) { | |
678 return NULL; | |
679 } | |
680 | |
681 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, | |
682 sizeof(ngx_stream_upstream_srv_conf_t *)) | |
683 != NGX_OK) | |
684 { | |
685 return NULL; | |
686 } | |
687 | |
688 return umcf; | |
689 } | |
690 | |
691 | |
692 static char * | |
693 ngx_stream_upstream_init_main_conf(ngx_conf_t *cf, void *conf) | |
694 { | |
695 ngx_stream_upstream_main_conf_t *umcf = conf; | |
696 | |
697 ngx_uint_t i; | |
698 ngx_stream_upstream_init_pt init; | |
699 ngx_stream_upstream_srv_conf_t **uscfp; | |
700 | |
701 uscfp = umcf->upstreams.elts; | |
702 | |
703 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
704 | |
705 init = uscfp[i]->peer.init_upstream | |
706 ? uscfp[i]->peer.init_upstream | |
707 : ngx_stream_upstream_init_round_robin; | |
708 | |
709 if (init(cf, uscfp[i]) != NGX_OK) { | |
710 return NGX_CONF_ERROR; | |
711 } | |
712 } | |
713 | |
714 return NGX_CONF_OK; | |
715 } |