Mercurial > hg > nginx
annotate src/stream/ngx_stream_upstream.c @ 6715:d200a0fd00b7
Introduced the NGX_COMPAT macro.
When enabled, some structures are padded to be size compatible
with their NGINX Plus versions.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Thu, 29 Sep 2016 15:28:24 +0300 |
| parents | 29bf0dbc0a77 |
| children | 2a288909abc6 |
| rev | line source |
|---|---|
| 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_null_string, NULL, NULL, 0, 0, 0 } |
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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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Stream: the $upstream_addr variable.
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|
162 i = 0; |
|
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Stream: the $upstream_addr variable.
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|
163 |
|
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Stream: the $upstream_addr variable.
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|
164 for ( ;; ) { |
|
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Stream: the $upstream_addr variable.
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|
165 if (state[i].peer) { |
|
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Stream: the $upstream_addr variable.
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|
166 p = ngx_cpymem(p, state[i].peer->data, state[i].peer->len); |
|
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Stream: the $upstream_addr variable.
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|
167 } |
|
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Stream: the $upstream_addr variable.
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|
168 |
|
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Stream: the $upstream_addr variable.
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|
169 if (++i == s->upstream_states->nelts) { |
|
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Stream: the $upstream_addr variable.
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|
170 break; |
|
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Stream: the $upstream_addr variable.
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|
171 } |
|
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Stream: the $upstream_addr variable.
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|
172 |
|
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Stream: the $upstream_addr variable.
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|
173 *p++ = ','; |
|
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Stream: the $upstream_addr variable.
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changeset
|
174 *p++ = ' '; |
|
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Stream: the $upstream_addr variable.
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changeset
|
175 } |
|
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Stream: the $upstream_addr variable.
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|
176 |
|
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Stream: the $upstream_addr variable.
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changeset
|
177 v->len = p - v->data; |
|
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Stream: the $upstream_addr variable.
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|
178 |
|
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Stream: the $upstream_addr variable.
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|
179 return NGX_OK; |
|
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Stream: the $upstream_addr variable.
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changeset
|
180 } |
|
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Stream: the $upstream_addr variable.
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|
181 |
|
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Stream: the $upstream_addr variable.
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|
182 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
183 static ngx_int_t |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
184 ngx_stream_upstream_bytes_variable(ngx_stream_session_t *s, |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
185 ngx_stream_variable_value_t *v, uintptr_t data) |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
186 { |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
187 u_char *p; |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
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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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
190 ngx_stream_upstream_state_t *state; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
191 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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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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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
195 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
196 if (s->upstream_states == NULL || s->upstream_states->nelts == 0) { |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
197 v->not_found = 1; |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
198 return NGX_OK; |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
199 } |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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|
200 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
201 len = s->upstream_states->nelts * (NGX_OFF_T_LEN + 2); |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
202 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
203 p = ngx_pnalloc(s->connection->pool, len); |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
204 if (p == NULL) { |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
205 return NGX_ERROR; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
206 } |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
207 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
208 v->data = p; |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
209 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
210 i = 0; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
211 state = s->upstream_states->elts; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
212 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
213 for ( ;; ) { |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
214 |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
215 if (data == 1) { |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
216 p = ngx_sprintf(p, "%O", state[i].bytes_received); |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
217 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
218 } else { |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
219 p = ngx_sprintf(p, "%O", state[i].bytes_sent); |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
220 } |
|
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Stream: $upstream_bytes_sent and $upstream_bytes_received.
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changeset
|
221 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
222 if (++i == s->upstream_states->nelts) { |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
223 break; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
224 } |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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changeset
|
225 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
226 *p++ = ','; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
227 *p++ = ' '; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
228 } |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
229 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
230 v->len = p - v->data; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
231 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
232 return NGX_OK; |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
233 } |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
234 |
|
df3a7c029dec
Stream: $upstream_bytes_sent and $upstream_bytes_received.
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diff
changeset
|
235 |
|
6677
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
236 static ngx_int_t |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
237 ngx_stream_upstream_response_time_variable(ngx_stream_session_t *s, |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
238 ngx_stream_variable_value_t *v, uintptr_t data) |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
239 { |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
240 u_char *p; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
241 size_t len; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
242 ngx_uint_t i; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
243 ngx_msec_int_t ms; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
244 ngx_stream_upstream_state_t *state; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
245 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
246 v->valid = 1; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
247 v->no_cacheable = 0; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
248 v->not_found = 0; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
249 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
250 if (s->upstream_states == NULL || s->upstream_states->nelts == 0) { |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
251 v->not_found = 1; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
252 return NGX_OK; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
253 } |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
254 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
255 len = s->upstream_states->nelts * (NGX_TIME_T_LEN + 4 + 2); |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
256 |
|
c02290241cbe
Stream: upstream response time variables.
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parents:
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diff
changeset
|
257 p = ngx_pnalloc(s->connection->pool, len); |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
258 if (p == NULL) { |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
259 return NGX_ERROR; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
260 } |
|
c02290241cbe
Stream: upstream response time variables.
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parents:
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diff
changeset
|
261 |
|
c02290241cbe
Stream: upstream response time variables.
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parents:
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diff
changeset
|
262 v->data = p; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
263 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
264 i = 0; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
265 state = s->upstream_states->elts; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
266 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
267 for ( ;; ) { |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
268 |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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6676
diff
changeset
|
269 if (data == 1) { |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
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diff
changeset
|
270 if (state[i].first_byte_time == (ngx_msec_t) -1) { |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
271 *p++ = '-'; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
272 goto next; |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
273 } |
|
c02290241cbe
Stream: upstream response time variables.
Vladimir Homutov <vl@nginx.com>
parents:
6676
diff
changeset
|
274 |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
275 ms = state[i].first_byte_time; |
|
c02290241cbe
Stream: upstream response time variables.
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diff
changeset
|
276 |
|
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277 } else if (data == 2 && state[i].connect_time != (ngx_msec_t) -1) { |
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278 ms = state[i].connect_time; |
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279 |
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280 } else { |
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281 ms = state[i].response_time; |
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282 } |
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283 |
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284 ms = ngx_max(ms, 0); |
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285 p = ngx_sprintf(p, "%T.%03M", (time_t) ms / 1000, ms % 1000); |
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286 |
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287 next: |
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288 |
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289 if (++i == s->upstream_states->nelts) { |
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290 break; |
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291 } |
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292 |
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293 *p++ = ','; |
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294 *p++ = ' '; |
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295 } |
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296 |
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297 v->len = p - v->data; |
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298 |
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299 return NGX_OK; |
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300 } |
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301 |
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302 |
| 6115 | 303 static char * |
| 304 ngx_stream_upstream(ngx_conf_t *cf, ngx_command_t *cmd, void *dummy) | |
| 305 { | |
| 306 char *rv; | |
| 307 void *mconf; | |
| 308 ngx_str_t *value; | |
| 309 ngx_url_t u; | |
| 310 ngx_uint_t m; | |
| 311 ngx_conf_t pcf; | |
| 312 ngx_stream_module_t *module; | |
| 313 ngx_stream_conf_ctx_t *ctx, *stream_ctx; | |
| 314 ngx_stream_upstream_srv_conf_t *uscf; | |
| 315 | |
| 316 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 317 | |
| 318 value = cf->args->elts; | |
| 319 u.host = value[1]; | |
| 320 u.no_resolve = 1; | |
| 321 u.no_port = 1; | |
| 322 | |
| 323 uscf = ngx_stream_upstream_add(cf, &u, NGX_STREAM_UPSTREAM_CREATE | |
| 324 |NGX_STREAM_UPSTREAM_WEIGHT | |
| 6705 | 325 |NGX_STREAM_UPSTREAM_MAX_CONNS |
| 6115 | 326 |NGX_STREAM_UPSTREAM_MAX_FAILS |
| 327 |NGX_STREAM_UPSTREAM_FAIL_TIMEOUT | |
| 328 |NGX_STREAM_UPSTREAM_DOWN | |
| 329 |NGX_STREAM_UPSTREAM_BACKUP); | |
| 330 if (uscf == NULL) { | |
| 331 return NGX_CONF_ERROR; | |
| 332 } | |
| 333 | |
| 334 | |
| 335 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t)); | |
| 336 if (ctx == NULL) { | |
| 337 return NGX_CONF_ERROR; | |
| 338 } | |
| 339 | |
| 340 stream_ctx = cf->ctx; | |
| 341 ctx->main_conf = stream_ctx->main_conf; | |
| 342 | |
| 343 /* the upstream{}'s srv_conf */ | |
| 344 | |
| 345 ctx->srv_conf = ngx_pcalloc(cf->pool, | |
| 346 sizeof(void *) * ngx_stream_max_module); | |
| 347 if (ctx->srv_conf == NULL) { | |
| 348 return NGX_CONF_ERROR; | |
| 349 } | |
| 350 | |
| 351 ctx->srv_conf[ngx_stream_upstream_module.ctx_index] = uscf; | |
| 352 | |
| 353 uscf->srv_conf = ctx->srv_conf; | |
| 354 | |
|
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Dynamic modules: changed ngx_modules to cycle->modules.
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|
355 for (m = 0; cf->cycle->modules[m]; m++) { |
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356 if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) { |
| 6115 | 357 continue; |
| 358 } | |
| 359 | |
|
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360 module = cf->cycle->modules[m]->ctx; |
| 6115 | 361 |
| 362 if (module->create_srv_conf) { | |
| 363 mconf = module->create_srv_conf(cf); | |
| 364 if (mconf == NULL) { | |
| 365 return NGX_CONF_ERROR; | |
| 366 } | |
| 367 | |
|
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368 ctx->srv_conf[cf->cycle->modules[m]->ctx_index] = mconf; |
| 6115 | 369 } |
| 370 } | |
| 371 | |
| 372 uscf->servers = ngx_array_create(cf->pool, 4, | |
| 373 sizeof(ngx_stream_upstream_server_t)); | |
| 374 if (uscf->servers == NULL) { | |
| 375 return NGX_CONF_ERROR; | |
| 376 } | |
| 377 | |
| 378 | |
| 379 /* parse inside upstream{} */ | |
| 380 | |
| 381 pcf = *cf; | |
| 382 cf->ctx = ctx; | |
| 383 cf->cmd_type = NGX_STREAM_UPS_CONF; | |
| 384 | |
| 385 rv = ngx_conf_parse(cf, NULL); | |
| 386 | |
| 387 *cf = pcf; | |
| 388 | |
| 389 if (rv != NGX_CONF_OK) { | |
| 390 return rv; | |
| 391 } | |
| 392 | |
| 393 if (uscf->servers->nelts == 0) { | |
| 394 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 395 "no servers are inside upstream"); | |
| 396 return NGX_CONF_ERROR; | |
| 397 } | |
| 398 | |
| 399 return rv; | |
| 400 } | |
| 401 | |
| 402 | |
| 403 static char * | |
| 404 ngx_stream_upstream_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 405 { | |
| 406 ngx_stream_upstream_srv_conf_t *uscf = conf; | |
| 407 | |
| 408 time_t fail_timeout; | |
| 409 ngx_str_t *value, s; | |
| 410 ngx_url_t u; | |
| 6705 | 411 ngx_int_t weight, max_conns, max_fails; |
| 6115 | 412 ngx_uint_t i; |
| 413 ngx_stream_upstream_server_t *us; | |
| 414 | |
| 415 us = ngx_array_push(uscf->servers); | |
| 416 if (us == NULL) { | |
| 417 return NGX_CONF_ERROR; | |
| 418 } | |
| 419 | |
| 420 ngx_memzero(us, sizeof(ngx_stream_upstream_server_t)); | |
| 421 | |
| 422 value = cf->args->elts; | |
| 423 | |
| 424 weight = 1; | |
| 6705 | 425 max_conns = 0; |
| 6115 | 426 max_fails = 1; |
| 427 fail_timeout = 10; | |
| 428 | |
| 429 for (i = 2; i < cf->args->nelts; i++) { | |
| 430 | |
| 431 if (ngx_strncmp(value[i].data, "weight=", 7) == 0) { | |
| 432 | |
| 433 if (!(uscf->flags & NGX_STREAM_UPSTREAM_WEIGHT)) { | |
| 434 goto not_supported; | |
| 435 } | |
| 436 | |
| 437 weight = ngx_atoi(&value[i].data[7], value[i].len - 7); | |
| 438 | |
| 439 if (weight == NGX_ERROR || weight == 0) { | |
| 440 goto invalid; | |
| 441 } | |
| 442 | |
| 443 continue; | |
| 444 } | |
| 445 | |
| 6705 | 446 if (ngx_strncmp(value[i].data, "max_conns=", 10) == 0) { |
| 447 | |
| 448 if (!(uscf->flags & NGX_STREAM_UPSTREAM_MAX_CONNS)) { | |
| 449 goto not_supported; | |
| 450 } | |
| 451 | |
| 452 max_conns = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 453 | |
| 454 if (max_conns == NGX_ERROR) { | |
| 455 goto invalid; | |
| 456 } | |
| 457 | |
| 458 continue; | |
| 459 } | |
| 460 | |
| 6115 | 461 if (ngx_strncmp(value[i].data, "max_fails=", 10) == 0) { |
| 462 | |
| 463 if (!(uscf->flags & NGX_STREAM_UPSTREAM_MAX_FAILS)) { | |
| 464 goto not_supported; | |
| 465 } | |
| 466 | |
| 467 max_fails = ngx_atoi(&value[i].data[10], value[i].len - 10); | |
| 468 | |
| 469 if (max_fails == NGX_ERROR) { | |
| 470 goto invalid; | |
| 471 } | |
| 472 | |
| 473 continue; | |
| 474 } | |
| 475 | |
| 476 if (ngx_strncmp(value[i].data, "fail_timeout=", 13) == 0) { | |
| 477 | |
| 478 if (!(uscf->flags & NGX_STREAM_UPSTREAM_FAIL_TIMEOUT)) { | |
| 479 goto not_supported; | |
| 480 } | |
| 481 | |
| 482 s.len = value[i].len - 13; | |
| 483 s.data = &value[i].data[13]; | |
| 484 | |
| 485 fail_timeout = ngx_parse_time(&s, 1); | |
| 486 | |
| 487 if (fail_timeout == (time_t) NGX_ERROR) { | |
| 488 goto invalid; | |
| 489 } | |
| 490 | |
| 491 continue; | |
| 492 } | |
| 493 | |
| 494 if (ngx_strcmp(value[i].data, "backup") == 0) { | |
| 495 | |
| 496 if (!(uscf->flags & NGX_STREAM_UPSTREAM_BACKUP)) { | |
| 497 goto not_supported; | |
| 498 } | |
| 499 | |
| 500 us->backup = 1; | |
| 501 | |
| 502 continue; | |
| 503 } | |
| 504 | |
| 505 if (ngx_strcmp(value[i].data, "down") == 0) { | |
| 506 | |
| 507 if (!(uscf->flags & NGX_STREAM_UPSTREAM_DOWN)) { | |
| 508 goto not_supported; | |
| 509 } | |
| 510 | |
| 511 us->down = 1; | |
| 512 | |
| 513 continue; | |
| 514 } | |
| 515 | |
| 516 goto invalid; | |
| 517 } | |
| 518 | |
| 519 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 520 | |
| 521 u.url = value[1]; | |
| 522 | |
| 523 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { | |
| 524 if (u.err) { | |
| 525 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 526 "%s in upstream \"%V\"", u.err, &u.url); | |
| 527 } | |
| 528 | |
| 529 return NGX_CONF_ERROR; | |
| 530 } | |
| 531 | |
| 532 if (u.no_port) { | |
| 533 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 534 "no port in upstream \"%V\"", &u.url); | |
| 535 return NGX_CONF_ERROR; | |
| 536 } | |
| 537 | |
| 538 us->name = u.url; | |
| 539 us->addrs = u.addrs; | |
| 540 us->naddrs = u.naddrs; | |
| 541 us->weight = weight; | |
| 6705 | 542 us->max_conns = max_conns; |
| 6115 | 543 us->max_fails = max_fails; |
| 544 us->fail_timeout = fail_timeout; | |
| 545 | |
| 546 return NGX_CONF_OK; | |
| 547 | |
| 548 invalid: | |
| 549 | |
| 550 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 551 "invalid parameter \"%V\"", &value[i]); | |
| 552 | |
| 553 return NGX_CONF_ERROR; | |
| 554 | |
| 555 not_supported: | |
| 556 | |
| 557 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 558 "balancing method does not support parameter \"%V\"", | |
| 559 &value[i]); | |
| 560 | |
| 561 return NGX_CONF_ERROR; | |
| 562 } | |
| 563 | |
| 564 | |
| 565 ngx_stream_upstream_srv_conf_t * | |
| 566 ngx_stream_upstream_add(ngx_conf_t *cf, ngx_url_t *u, ngx_uint_t flags) | |
| 567 { | |
| 568 ngx_uint_t i; | |
| 569 ngx_stream_upstream_server_t *us; | |
| 570 ngx_stream_upstream_srv_conf_t *uscf, **uscfp; | |
| 571 ngx_stream_upstream_main_conf_t *umcf; | |
| 572 | |
| 573 if (!(flags & NGX_STREAM_UPSTREAM_CREATE)) { | |
| 574 | |
| 575 if (ngx_parse_url(cf->pool, u) != NGX_OK) { | |
| 576 if (u->err) { | |
| 577 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 578 "%s in upstream \"%V\"", u->err, &u->url); | |
| 579 } | |
| 580 | |
| 581 return NULL; | |
| 582 } | |
| 583 } | |
| 584 | |
| 585 umcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_upstream_module); | |
| 586 | |
| 587 uscfp = umcf->upstreams.elts; | |
| 588 | |
| 589 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 590 | |
| 591 if (uscfp[i]->host.len != u->host.len | |
| 592 || ngx_strncasecmp(uscfp[i]->host.data, u->host.data, u->host.len) | |
| 593 != 0) | |
| 594 { | |
| 595 continue; | |
| 596 } | |
| 597 | |
| 598 if ((flags & NGX_STREAM_UPSTREAM_CREATE) | |
| 599 && (uscfp[i]->flags & NGX_STREAM_UPSTREAM_CREATE)) | |
| 600 { | |
| 601 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 602 "duplicate upstream \"%V\"", &u->host); | |
| 603 return NULL; | |
| 604 } | |
| 605 | |
| 606 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:
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diff
changeset
|
607 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 6115 | 608 "upstream \"%V\" may not have port %d", |
| 609 &u->host, u->port); | |
| 610 return NULL; | |
| 611 } | |
| 612 | |
| 613 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
|
614 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 6115 | 615 "upstream \"%V\" may not have port %d in %s:%ui", |
| 616 &u->host, uscfp[i]->port, | |
| 617 uscfp[i]->file_name, uscfp[i]->line); | |
| 618 return NULL; | |
| 619 } | |
| 620 | |
| 621 if (uscfp[i]->port != u->port) { | |
| 622 continue; | |
| 623 } | |
| 624 | |
| 625 if (flags & NGX_STREAM_UPSTREAM_CREATE) { | |
| 626 uscfp[i]->flags = flags; | |
| 627 } | |
| 628 | |
| 629 return uscfp[i]; | |
| 630 } | |
| 631 | |
| 632 uscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_upstream_srv_conf_t)); | |
| 633 if (uscf == NULL) { | |
| 634 return NULL; | |
| 635 } | |
| 636 | |
| 637 uscf->flags = flags; | |
| 638 uscf->host = u->host; | |
| 639 uscf->file_name = cf->conf_file->file.name.data; | |
| 640 uscf->line = cf->conf_file->line; | |
| 641 uscf->port = u->port; | |
| 642 uscf->no_port = u->no_port; | |
| 643 | |
|
6459
78fc2dce69e7
Stream: detect port absence in proxy_pass with IP literal.
Roman Arutyunyan <arut@nginx.com>
parents:
6379
diff
changeset
|
644 if (u->naddrs == 1 && (u->port || u->family == AF_UNIX)) { |
| 6115 | 645 uscf->servers = ngx_array_create(cf->pool, 1, |
| 646 sizeof(ngx_stream_upstream_server_t)); | |
| 647 if (uscf->servers == NULL) { | |
| 648 return NULL; | |
| 649 } | |
| 650 | |
| 651 us = ngx_array_push(uscf->servers); | |
| 652 if (us == NULL) { | |
| 653 return NULL; | |
| 654 } | |
| 655 | |
| 656 ngx_memzero(us, sizeof(ngx_stream_upstream_server_t)); | |
| 657 | |
| 658 us->addrs = u->addrs; | |
| 659 us->naddrs = 1; | |
| 660 } | |
| 661 | |
| 662 uscfp = ngx_array_push(&umcf->upstreams); | |
| 663 if (uscfp == NULL) { | |
| 664 return NULL; | |
| 665 } | |
| 666 | |
| 667 *uscfp = uscf; | |
| 668 | |
| 669 return uscf; | |
| 670 } | |
| 671 | |
| 672 | |
| 673 static void * | |
| 674 ngx_stream_upstream_create_main_conf(ngx_conf_t *cf) | |
| 675 { | |
| 676 ngx_stream_upstream_main_conf_t *umcf; | |
| 677 | |
| 678 umcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_upstream_main_conf_t)); | |
| 679 if (umcf == NULL) { | |
| 680 return NULL; | |
| 681 } | |
| 682 | |
| 683 if (ngx_array_init(&umcf->upstreams, cf->pool, 4, | |
| 684 sizeof(ngx_stream_upstream_srv_conf_t *)) | |
| 685 != NGX_OK) | |
| 686 { | |
| 687 return NULL; | |
| 688 } | |
| 689 | |
| 690 return umcf; | |
| 691 } | |
| 692 | |
| 693 | |
| 694 static char * | |
| 695 ngx_stream_upstream_init_main_conf(ngx_conf_t *cf, void *conf) | |
| 696 { | |
| 697 ngx_stream_upstream_main_conf_t *umcf = conf; | |
| 698 | |
| 699 ngx_uint_t i; | |
| 700 ngx_stream_upstream_init_pt init; | |
| 701 ngx_stream_upstream_srv_conf_t **uscfp; | |
| 702 | |
| 703 uscfp = umcf->upstreams.elts; | |
| 704 | |
| 705 for (i = 0; i < umcf->upstreams.nelts; i++) { | |
| 706 | |
| 707 init = uscfp[i]->peer.init_upstream | |
| 708 ? uscfp[i]->peer.init_upstream | |
| 709 : ngx_stream_upstream_init_round_robin; | |
| 710 | |
| 711 if (init(cf, uscfp[i]) != NGX_OK) { | |
| 712 return NGX_CONF_ERROR; | |
| 713 } | |
| 714 } | |
| 715 | |
| 716 return NGX_CONF_OK; | |
| 717 } |