Mercurial > hg > nginx
annotate src/http/modules/ngx_http_log_module.c @ 1562:bb662e047a21
allow access_log inside limit_except
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 09 Oct 2007 18:45:49 +0000 |
| parents | 2b3e6aede7da |
| children | 02a22cd5282a |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 #include <nginx.h> |
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12 |
| 880 | 13 typedef struct ngx_http_log_op_s ngx_http_log_op_t; |
| 14 | |
| 15 typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf, | |
| 16 ngx_http_log_op_t *op); | |
| 17 | |
| 18 typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r, | |
| 19 uintptr_t data); | |
| 20 | |
| 21 | |
| 22 struct ngx_http_log_op_s { | |
| 23 size_t len; | |
| 24 ngx_http_log_op_getlen_pt getlen; | |
| 25 ngx_http_log_op_run_pt run; | |
| 26 uintptr_t data; | |
| 27 }; | |
| 28 | |
| 573 | 29 |
| 30 typedef struct { | |
| 31 ngx_str_t name; | |
| 32 ngx_array_t *ops; /* array of ngx_http_log_op_t */ | |
| 33 } ngx_http_log_fmt_t; | |
| 34 | |
| 657 | 35 |
| 573 | 36 typedef struct { |
| 37 ngx_array_t formats; /* array of ngx_http_log_fmt_t */ | |
| 38 ngx_uint_t combined_used; /* unsigned combined_used:1 */ | |
| 39 } ngx_http_log_main_conf_t; | |
| 40 | |
| 657 | 41 |
| 573 | 42 typedef struct { |
| 43 ngx_open_file_t *file; | |
| 633 | 44 time_t disk_full_time; |
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45 time_t error_log_time; |
| 573 | 46 ngx_array_t *ops; /* array of ngx_http_log_op_t */ |
| 47 } ngx_http_log_t; | |
| 48 | |
| 657 | 49 |
| 573 | 50 typedef struct { |
| 51 ngx_array_t *logs; /* array of ngx_http_log_t */ | |
| 52 ngx_uint_t off; /* unsigned off:1 */ | |
| 53 } ngx_http_log_loc_conf_t; | |
| 54 | |
| 55 | |
| 56 typedef struct { | |
| 57 ngx_str_t name; | |
| 58 size_t len; | |
| 59 ngx_http_log_op_run_pt run; | |
| 60 } ngx_http_log_var_t; | |
| 61 | |
| 62 | |
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63 static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, |
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64 u_char *buf, size_t len); |
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65 |
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66 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, |
| 497 | 67 ngx_http_log_op_t *op); |
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68 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, |
| 497 | 69 ngx_http_log_op_t *op); |
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70 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, |
| 497 | 71 ngx_http_log_op_t *op); |
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72 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, |
| 497 | 73 ngx_http_log_op_t *op); |
| 74 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
| 75 ngx_http_log_op_t *op); | |
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76 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, |
| 497 | 77 ngx_http_log_op_t *op); |
| 573 | 78 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 497 | 79 ngx_http_log_op_t *op); |
| 577 | 80 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r, |
| 573 | 81 u_char *buf, ngx_http_log_op_t *op); |
| 475 | 82 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, |
| 497 | 83 ngx_http_log_op_t *op); |
| 479 | 84 |
| 501 | 85 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, |
| 86 ngx_http_log_op_t *op, ngx_str_t *value); | |
| 87 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, | |
| 88 uintptr_t data); | |
| 89 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, | |
| 90 ngx_http_log_op_t *op); | |
| 91 | |
| 92 | |
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93 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); |
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94 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); |
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95 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, |
| 497 | 96 void *child); |
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97 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, |
| 497 | 98 void *conf); |
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99 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, |
| 497 | 100 void *conf); |
| 573 | 101 static char *ngx_http_log_compile_format(ngx_conf_t *cf, |
| 102 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s); | |
| 103 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf); | |
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104 |
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106 static ngx_command_t ngx_http_log_commands[] = { |
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107 |
| 497 | 108 { ngx_string("log_format"), |
| 109 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, | |
| 110 ngx_http_log_set_format, | |
| 111 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 112 0, | |
| 113 NULL }, | |
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114 |
| 497 | 115 { ngx_string("access_log"), |
| 645 | 116 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
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117 |NGX_HTTP_LMT_CONF|NGX_CONF_TAKE123, |
| 497 | 118 ngx_http_log_set_log, |
| 119 NGX_HTTP_LOC_CONF_OFFSET, | |
| 120 0, | |
| 121 NULL }, | |
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122 |
| 497 | 123 ngx_null_command |
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124 }; |
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125 |
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126 |
| 667 | 127 static ngx_http_module_t ngx_http_log_module_ctx = { |
| 880 | 128 NULL, /* preconfiguration */ |
| 573 | 129 ngx_http_log_init, /* postconfiguration */ |
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130 |
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131 ngx_http_log_create_main_conf, /* create main configuration */ |
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132 NULL, /* init main configuration */ |
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133 |
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134 NULL, /* create server configuration */ |
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135 NULL, /* merge server configuration */ |
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136 |
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137 ngx_http_log_create_loc_conf, /* create location configration */ |
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138 ngx_http_log_merge_loc_conf /* merge location configration */ |
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139 }; |
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142 ngx_module_t ngx_http_log_module = { |
| 509 | 143 NGX_MODULE_V1, |
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144 &ngx_http_log_module_ctx, /* module context */ |
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145 ngx_http_log_commands, /* module directives */ |
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146 NGX_HTTP_MODULE, /* module type */ |
| 541 | 147 NULL, /* init master */ |
| 573 | 148 NULL, /* init module */ |
| 541 | 149 NULL, /* init process */ |
| 150 NULL, /* init thread */ | |
| 151 NULL, /* exit thread */ | |
| 152 NULL, /* exit process */ | |
| 153 NULL, /* exit master */ | |
| 154 NGX_MODULE_V1_PADDING | |
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155 }; |
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156 |
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157 |
| 1074 | 158 static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH); |
| 573 | 159 |
| 160 | |
| 161 static ngx_str_t ngx_http_combined_fmt = | |
| 581 | 162 ngx_string("$remote_addr - $remote_user [$time_local] " |
| 577 | 163 "\"$request\" $status $body_bytes_sent " |
| 573 | 164 "\"$http_referer\" \"$http_user_agent\""); |
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166 |
| 573 | 167 static ngx_http_log_var_t ngx_http_log_vars[] = { |
| 168 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection }, | |
| 169 { ngx_string("pipe"), 1, ngx_http_log_pipe }, | |
| 581 | 170 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, |
| 573 | 171 ngx_http_log_time }, |
| 172 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec }, | |
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173 { ngx_string("request_time"), NGX_TIME_T_LEN + 4, |
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174 ngx_http_log_request_time }, |
| 573 | 175 { ngx_string("status"), 3, ngx_http_log_status }, |
| 176 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, | |
| 577 | 177 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, |
| 178 ngx_http_log_body_bytes_sent }, | |
| 573 | 179 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN, |
| 577 | 180 ngx_http_log_body_bytes_sent }, |
| 573 | 181 { ngx_string("request_length"), NGX_SIZE_T_LEN, |
| 182 ngx_http_log_request_length }, | |
| 183 | |
| 184 { ngx_null_string, 0, NULL } | |
| 185 }; | |
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187 |
| 497 | 188 ngx_int_t |
| 189 ngx_http_log_handler(ngx_http_request_t *r) | |
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190 { |
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191 u_char *line, *p; |
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192 size_t len; |
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193 ngx_uint_t i, l; |
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194 ngx_http_log_t *log; |
| 571 | 195 ngx_open_file_t *file; |
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196 ngx_http_log_op_t *op; |
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197 ngx_http_log_loc_conf_t *lcf; |
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198 |
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210
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199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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200 "http log handler"); |
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201 |
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99
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202 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); |
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203 |
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427
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204 if (lcf->off) { |
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205 return NGX_OK; |
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206 } |
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207 |
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176
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208 log = lcf->logs->elts; |
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209 for (l = 0; l < lcf->logs->nelts; l++) { |
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210 |
| 633 | 211 if (ngx_time() == log[l].disk_full_time) { |
| 212 | |
| 213 /* | |
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214 * on FreeBSD writing to a full filesystem with enabled softupdates |
| 633 | 215 * may block process for much longer time than writing to non-full |
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216 * filesystem, so we skip writing to a log for one second |
| 633 | 217 */ |
| 218 | |
| 219 continue; | |
| 220 } | |
| 221 | |
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222 len = 0; |
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223 op = log[l].ops->elts; |
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224 for (i = 0; i < log[l].ops->nelts; i++) { |
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225 if (op[i].len == 0) { |
| 479 | 226 len += op[i].getlen(r, op[i].data); |
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227 |
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228 } else { |
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229 len += op[i].len; |
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230 } |
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231 } |
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232 |
| 571 | 233 len += NGX_LINEFEED_SIZE; |
| 234 | |
| 235 file = log[l].file; | |
| 236 | |
| 237 if (file->buffer) { | |
| 238 | |
| 239 if (len > (size_t) (file->last - file->pos)) { | |
| 240 | |
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241 ngx_http_log_write(r, &log[l], file->buffer, |
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242 file->pos - file->buffer); |
| 571 | 243 |
| 244 file->pos = file->buffer; | |
| 245 } | |
| 246 | |
| 247 if (len <= (size_t) (file->last - file->pos)) { | |
| 248 | |
| 249 p = file->pos; | |
| 250 | |
| 251 for (i = 0; i < log[l].ops->nelts; i++) { | |
| 252 p = op[i].run(r, p, &op[i]); | |
| 253 } | |
| 254 | |
| 255 ngx_linefeed(p); | |
| 256 | |
| 257 file->pos = p; | |
| 258 | |
| 259 continue; | |
| 260 } | |
| 261 } | |
|
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262 |
| 501 | 263 line = ngx_palloc(r->pool, len); |
| 264 if (line == NULL) { | |
| 473 | 265 return NGX_ERROR; |
| 266 } | |
| 267 | |
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268 p = line; |
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269 |
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270 for (i = 0; i < log[l].ops->nelts; i++) { |
| 479 | 271 p = op[i].run(r, p, &op[i]); |
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272 } |
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273 |
| 571 | 274 ngx_linefeed(p); |
| 275 | |
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276 ngx_http_log_write(r, &log[l], line, p - line); |
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277 } |
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278 |
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279 return NGX_OK; |
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280 } |
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281 |
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282 |
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283 static void |
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284 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, |
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285 size_t len) |
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286 { |
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287 time_t now; |
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288 ssize_t n; |
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289 ngx_err_t err; |
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290 |
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291 n = ngx_write_fd(log->file->fd, buf, len); |
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292 |
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293 if (n == (ssize_t) len) { |
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294 return; |
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295 } |
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296 |
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297 now = ngx_time(); |
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298 |
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299 if (n == -1) { |
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300 err = ngx_errno; |
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301 |
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302 if (err == NGX_ENOSPC) { |
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303 log->disk_full_time = now; |
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304 } |
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305 |
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306 if (now - log->error_log_time > 59) { |
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307 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, |
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308 ngx_write_fd_n " to \"%V\" failed", |
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309 &log->file->name); |
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310 |
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311 log->error_log_time = now; |
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312 } |
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313 |
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314 return; |
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315 } |
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316 |
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317 if (now - log->error_log_time > 59) { |
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318 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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319 ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz", |
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320 &log->file->name, n, len); |
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321 |
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322 log->error_log_time = now; |
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323 } |
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324 } |
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325 |
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326 |
| 497 | 327 static u_char * |
| 328 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, | |
| 329 ngx_http_log_op_t *op) | |
| 479 | 330 { |
| 331 size_t len; | |
| 332 uintptr_t data; | |
| 333 | |
| 334 len = op->len; | |
| 335 data = op->data; | |
| 336 | |
| 337 while (len--) { | |
| 338 *buf++ = (u_char) (data & 0xff); | |
| 339 data >>= 8; | |
| 340 } | |
| 341 | |
| 342 return buf; | |
| 343 } | |
| 344 | |
| 345 | |
| 497 | 346 static u_char * |
| 347 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, | |
| 348 ngx_http_log_op_t *op) | |
| 479 | 349 { |
| 350 return ngx_cpymem(buf, (u_char *) op->data, op->len); | |
| 351 } | |
| 352 | |
| 353 | |
| 497 | 354 static u_char * |
| 355 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, | |
| 356 ngx_http_log_op_t *op) | |
|
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357 { |
| 455 | 358 return ngx_sprintf(buf, "%ui", r->connection->number); |
|
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359 } |
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360 |
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361 |
| 497 | 362 static u_char * |
| 363 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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364 { |
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365 if (r->pipeline) { |
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366 *buf = 'p'; |
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367 } else { |
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368 *buf = '.'; |
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369 } |
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370 |
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371 return buf + 1; |
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372 } |
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373 |
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374 |
| 497 | 375 static u_char * |
| 376 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
176
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377 { |
|
178
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378 return ngx_cpymem(buf, ngx_cached_http_log_time.data, |
|
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379 ngx_cached_http_log_time.len); |
|
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380 } |
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381 |
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382 |
| 497 | 383 static u_char * |
| 384 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
409
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385 { |
| 563 | 386 ngx_time_t *tp; |
|
409
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387 |
| 563 | 388 tp = ngx_timeofday(); |
|
409
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389 |
| 563 | 390 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); |
|
409
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391 } |
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392 |
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393 |
| 497 | 394 static u_char * |
| 395 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
| 396 ngx_http_log_op_t *op) | |
| 397 { | |
|
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398 ngx_time_t *tp; |
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399 ngx_msec_int_t ms; |
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400 |
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401 tp = ngx_timeofday(); |
| 497 | 402 |
|
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403 ms = (tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec); |
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404 ms = (ms >= 0) ? ms : 0; |
| 497 | 405 |
|
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406 return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000); |
| 497 | 407 } |
| 408 | |
| 409 | |
| 410 static u_char * | |
| 411 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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412 { |
| 455 | 413 return ngx_sprintf(buf, "%ui", |
| 414 r->err_status ? r->err_status : r->headers_out.status); | |
|
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415 } |
|
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416 |
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417 |
| 497 | 418 static u_char * |
| 573 | 419 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 420 ngx_http_log_op_t *op) | |
|
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421 { |
| 455 | 422 return ngx_sprintf(buf, "%O", r->connection->sent); |
|
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423 } |
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424 |
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425 |
| 1271 | 426 /* |
| 427 * although there is a real $body_bytes_sent variable, | |
| 428 * this log operation code function is more optimized for logging | |
| 429 */ | |
| 430 | |
| 497 | 431 static u_char * |
| 577 | 432 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 497 | 433 ngx_http_log_op_t *op) |
|
210
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434 { |
| 497 | 435 off_t length; |
| 436 | |
| 437 length = r->connection->sent - r->header_size; | |
| 438 | |
| 439 if (length > 0) { | |
| 440 return ngx_sprintf(buf, "%O", length); | |
| 441 } | |
| 442 | |
| 443 *buf = '0'; | |
| 444 | |
| 445 return buf + 1; | |
|
210
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446 } |
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447 |
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448 |
| 497 | 449 static u_char * |
| 450 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, | |
| 451 ngx_http_log_op_t *op) | |
| 475 | 452 { |
| 663 | 453 return ngx_sprintf(buf, "%O", r->request_length); |
| 475 | 454 } |
| 455 | |
| 456 | |
| 497 | 457 static ngx_int_t |
| 501 | 458 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, |
| 459 ngx_str_t *value) | |
| 460 { | |
| 509 | 461 ngx_int_t index; |
| 501 | 462 |
| 509 | 463 index = ngx_http_get_variable_index(cf, value); |
| 464 if (index == NGX_ERROR) { | |
| 501 | 465 return NGX_ERROR; |
| 466 } | |
| 467 | |
| 468 op->len = 0; | |
| 469 op->getlen = ngx_http_log_variable_getlen; | |
| 470 op->run = ngx_http_log_variable; | |
| 509 | 471 op->data = index; |
| 501 | 472 |
| 473 return NGX_OK; | |
| 474 } | |
| 475 | |
| 476 | |
| 477 static size_t | |
| 478 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) | |
| 479 { | |
| 480 ngx_http_variable_value_t *value; | |
| 481 | |
| 482 value = ngx_http_get_indexed_variable(r, data); | |
| 483 | |
| 573 | 484 if (value == NULL || value->not_found) { |
| 501 | 485 return 1; |
| 486 } | |
| 487 | |
| 573 | 488 return value->len; |
| 501 | 489 } |
| 490 | |
| 491 | |
| 492 static u_char * | |
| 493 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
| 494 { | |
| 495 ngx_http_variable_value_t *value; | |
| 496 | |
| 497 value = ngx_http_get_indexed_variable(r, op->data); | |
| 498 | |
| 573 | 499 if (value == NULL || value->not_found) { |
| 501 | 500 *buf = '-'; |
| 501 return buf + 1; | |
| 502 } | |
| 503 | |
| 573 | 504 return ngx_cpymem(buf, value->data, value->len); |
| 501 | 505 } |
| 506 | |
| 507 | |
| 497 | 508 static void * |
| 509 ngx_http_log_create_main_conf(ngx_conf_t *cf) | |
|
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510 { |
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511 ngx_http_log_main_conf_t *conf; |
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512 |
| 573 | 513 ngx_http_log_fmt_t *fmt; |
|
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514 |
| 501 | 515 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); |
| 516 if (conf == NULL) { | |
|
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517 return NGX_CONF_ERROR; |
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518 } |
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519 |
| 497 | 520 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) |
| 573 | 521 != NGX_OK) |
| 497 | 522 { |
| 523 return NGX_CONF_ERROR; | |
| 524 } | |
|
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525 |
| 573 | 526 fmt = ngx_array_push(&conf->formats); |
| 527 if (fmt == NULL) { | |
|
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528 return NGX_CONF_ERROR; |
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529 } |
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530 |
| 573 | 531 fmt->name.len = sizeof("combined") - 1; |
| 532 fmt->name.data = (u_char *) "combined"; | |
|
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533 |
| 573 | 534 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 535 if (fmt->ops == NULL) { | |
| 569 | 536 return NGX_CONF_ERROR; |
|
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537 } |
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538 |
|
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539 return conf; |
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540 } |
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541 |
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542 |
| 497 | 543 static void * |
| 544 ngx_http_log_create_loc_conf(ngx_conf_t *cf) | |
|
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545 { |
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546 ngx_http_log_loc_conf_t *conf; |
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547 |
| 501 | 548 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); |
| 549 if (conf == NULL) { | |
|
427
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550 return NGX_CONF_ERROR; |
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551 } |
|
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552 |
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553 return conf; |
|
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554 } |
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555 |
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556 |
| 497 | 557 static char * |
| 558 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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559 { |
|
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560 ngx_http_log_loc_conf_t *prev = parent; |
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561 ngx_http_log_loc_conf_t *conf = child; |
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562 |
|
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563 ngx_http_log_t *log; |
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564 ngx_http_log_fmt_t *fmt; |
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565 ngx_http_log_main_conf_t *lmcf; |
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566 |
| 1074 | 567 if (conf->logs || conf->off) { |
| 568 return NGX_CONF_OK; | |
| 569 } | |
|
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570 |
| 1074 | 571 *conf = *prev; |
|
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572 |
| 1074 | 573 if (conf->logs || conf->off) { |
| 574 return NGX_CONF_OK; | |
| 575 } | |
|
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|
576 |
| 1074 | 577 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
| 578 if (conf->logs == NULL) { | |
| 579 return NGX_CONF_ERROR; | |
| 580 } | |
|
176
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|
581 |
| 1074 | 582 log = ngx_array_push(conf->logs); |
| 583 if (log == NULL) { | |
| 584 return NGX_CONF_ERROR; | |
| 585 } | |
|
176
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|
586 |
| 1074 | 587 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); |
| 588 if (log->file == NULL) { | |
| 589 return NGX_CONF_ERROR; | |
| 590 } | |
|
176
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591 |
| 1074 | 592 log->disk_full_time = 0; |
| 593 log->error_log_time = 0; | |
|
427
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415
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|
594 |
| 1074 | 595 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 596 fmt = lmcf->formats.elts; | |
| 597 | |
| 598 /* the default "combined" format */ | |
| 599 log->ops = fmt[0].ops; | |
| 600 lmcf->combined_used = 1; | |
|
99
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|
601 |
|
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|
602 return NGX_CONF_OK; |
|
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|
603 } |
|
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|
604 |
|
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|
605 |
| 497 | 606 static char * |
| 607 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
99
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|
608 { |
|
176
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|
609 ngx_http_log_loc_conf_t *llcf = conf; |
|
99
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|
610 |
| 571 | 611 ssize_t buf; |
|
290
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|
612 ngx_uint_t i; |
|
176
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|
613 ngx_str_t *value, name; |
|
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|
614 ngx_http_log_t *log; |
|
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|
615 ngx_http_log_fmt_t *fmt; |
|
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|
616 ngx_http_log_main_conf_t *lmcf; |
|
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|
617 |
|
427
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|
618 value = cf->args->elts; |
|
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|
619 |
|
0d08eabe5c7b
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|
620 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
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|
621 llcf->off = 1; |
|
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|
622 return NGX_CONF_OK; |
|
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|
623 } |
|
0d08eabe5c7b
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|
624 |
|
176
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|
625 if (llcf->logs == NULL) { |
|
427
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|
626 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
|
0d08eabe5c7b
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|
627 if (llcf->logs == NULL) { |
|
176
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|
628 return NGX_CONF_ERROR; |
|
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|
629 } |
|
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|
630 } |
|
99
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|
631 |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
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356
diff
changeset
|
632 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
|
99
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|
633 |
| 501 | 634 log = ngx_array_push(llcf->logs); |
| 635 if (log == NULL) { | |
|
176
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|
636 return NGX_CONF_ERROR; |
|
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|
637 } |
|
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|
638 |
| 501 | 639 log->file = ngx_conf_open_file(cf->cycle, &value[1]); |
| 640 if (log->file == NULL) { | |
|
176
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|
641 return NGX_CONF_ERROR; |
|
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|
642 } |
|
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|
643 |
| 633 | 644 log->disk_full_time = 0; |
|
1071
bd4202f92581
log a failure of the writing to access_log once per minute
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905
diff
changeset
|
645 log->error_log_time = 0; |
| 633 | 646 |
| 571 | 647 if (cf->args->nelts >= 3) { |
|
176
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|
648 name = value[2]; |
| 581 | 649 |
| 650 if (ngx_strcmp(name.data, "combined") == 0) { | |
| 651 lmcf->combined_used = 1; | |
| 652 } | |
| 653 | |
|
176
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|
654 } else { |
|
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|
655 name.len = sizeof("combined") - 1; |
|
292
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|
656 name.data = (u_char *) "combined"; |
| 573 | 657 lmcf->combined_used = 1; |
|
176
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|
658 } |
|
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|
659 |
|
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|
660 fmt = lmcf->formats.elts; |
|
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|
661 for (i = 0; i < lmcf->formats.nelts; i++) { |
|
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|
662 if (fmt[i].name.len == name.len |
|
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|
663 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) |
|
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|
664 { |
|
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|
665 log->ops = fmt[i].ops; |
| 571 | 666 goto buffer; |
|
176
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|
667 } |
|
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|
668 } |
|
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
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99
diff
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|
669 |
| 487 | 670 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 671 "unknown log format \"%V\"", &name); | |
| 571 | 672 return NGX_CONF_ERROR; |
| 487 | 673 |
| 571 | 674 buffer: |
| 675 | |
| 676 if (cf->args->nelts == 4) { | |
| 677 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) { | |
| 678 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 679 "invalid parameter \"%V\"", &value[3]); | |
| 680 return NGX_CONF_ERROR; | |
| 681 } | |
| 682 | |
| 683 name.len = value[3].len - 7; | |
| 684 name.data = value[3].data + 7; | |
| 685 | |
| 686 buf = ngx_parse_size(&name); | |
| 687 | |
| 688 if (buf == NGX_ERROR) { | |
| 689 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 690 "invalid parameter \"%V\"", &value[3]); | |
| 691 return NGX_CONF_ERROR; | |
| 692 } | |
| 693 | |
| 694 if (log->file->buffer && log->file->last - log->file->pos != buf) { | |
| 695 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 696 "access_log \"%V\" already defined " | |
| 697 "with different buffer size", &value[1]); | |
| 698 return NGX_CONF_ERROR; | |
| 699 } | |
| 700 | |
| 701 log->file->buffer = ngx_palloc(cf->pool, buf); | |
| 702 if (log->file->buffer == NULL) { | |
| 703 return NGX_CONF_ERROR; | |
| 704 } | |
| 705 | |
| 706 log->file->pos = log->file->buffer; | |
| 707 log->file->last = log->file->buffer + buf; | |
| 708 } | |
| 709 | |
| 710 return NGX_CONF_OK; | |
|
99
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|
711 } |
|
176
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|
712 |
|
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|
713 |
| 497 | 714 static char * |
| 715 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
176
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|
716 { |
|
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|
717 ngx_http_log_main_conf_t *lmcf = conf; |
|
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|
718 |
| 573 | 719 ngx_str_t *value; |
| 720 ngx_uint_t i; | |
| 721 ngx_http_log_fmt_t *fmt; | |
|
176
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|
722 |
|
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|
723 value = cf->args->elts; |
|
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|
724 |
|
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|
725 fmt = lmcf->formats.elts; |
| 573 | 726 for (i = 0; i < lmcf->formats.nelts; i++) { |
| 727 if (fmt[i].name.len == value[1].len | |
| 728 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) | |
|
176
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|
729 { |
|
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|
730 return "duplicate \"log_format\" name"; |
|
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|
731 } |
|
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|
732 } |
|
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|
733 |
| 501 | 734 fmt = ngx_array_push(&lmcf->formats); |
| 735 if (fmt == NULL) { | |
|
176
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|
736 return NGX_CONF_ERROR; |
|
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|
737 } |
|
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|
738 |
|
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|
739 fmt->name = value[1]; |
|
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|
740 |
| 573 | 741 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 501 | 742 if (fmt->ops == NULL) { |
|
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|
743 return NGX_CONF_ERROR; |
|
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|
744 } |
|
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|
745 |
| 573 | 746 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2); |
| 747 } | |
| 748 | |
|
176
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749 |
| 573 | 750 static char * |
| 751 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops, | |
| 752 ngx_array_t *args, ngx_uint_t s) | |
| 753 { | |
| 880 | 754 u_char *data, *p, ch; |
| 755 size_t i, len; | |
| 756 ngx_str_t *value, var; | |
| 757 ngx_uint_t bracket; | |
| 758 ngx_http_log_op_t *op; | |
| 759 ngx_http_log_var_t *v; | |
| 573 | 760 |
| 761 value = args->elts; | |
| 762 | |
| 763 for ( /* void */ ; s < args->nelts; s++) { | |
|
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764 |
| 880 | 765 for (i = 0; i < value[s].len; i++) { |
| 766 if (value[s].data[i] != '%') { | |
| 767 continue; | |
| 768 } | |
| 769 | |
| 770 ch = value[s].data[i + 1]; | |
| 771 | |
| 772 if ((ch >= 'A' && ch <= 'Z') | |
| 773 || (ch >= 'a' && ch <= 'z') | |
| 774 || ch == '{') | |
| 775 { | |
| 776 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 777 "the parameters in the \"%%name\" form are not supported, " | |
| 778 "use the \"$variable\" instead"); | |
| 779 | |
| 780 return NGX_CONF_ERROR; | |
| 781 } | |
| 782 } | |
| 783 | |
|
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784 i = 0; |
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785 |
|
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786 while (i < value[s].len) { |
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787 |
| 573 | 788 op = ngx_array_push(ops); |
| 501 | 789 if (op == NULL) { |
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790 return NGX_CONF_ERROR; |
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791 } |
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792 |
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793 data = &value[s].data[i]; |
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794 |
| 880 | 795 if (value[s].data[i] == '$') { |
| 569 | 796 |
| 797 if (++i == value[s].len) { | |
| 798 goto invalid; | |
| 799 } | |
| 800 | |
| 801 if (value[s].data[i] == '{') { | |
| 802 bracket = 1; | |
| 803 | |
| 804 if (++i == value[s].len) { | |
| 805 goto invalid; | |
| 806 } | |
| 807 | |
| 808 var.data = &value[s].data[i]; | |
| 809 | |
| 810 } else { | |
| 811 bracket = 0; | |
| 812 var.data = &value[s].data[i]; | |
| 813 } | |
| 814 | |
| 815 for (var.len = 0; i < value[s].len; i++, var.len++) { | |
| 816 ch = value[s].data[i]; | |
| 817 | |
| 818 if (ch == '}' && bracket) { | |
| 819 i++; | |
| 820 bracket = 0; | |
| 821 break; | |
| 822 } | |
| 823 | |
| 824 if ((ch >= 'A' && ch <= 'Z') | |
| 825 || (ch >= 'a' && ch <= 'z') | |
| 826 || (ch >= '0' && ch <= '9') | |
| 827 || ch == '_') | |
| 828 { | |
| 829 continue; | |
| 830 } | |
| 831 | |
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832 break; |
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833 } |
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834 |
| 569 | 835 if (bracket) { |
| 836 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 837 "the closing bracket in \"%V\" " | |
| 838 "variable is missing", &var); | |
| 839 return NGX_CONF_ERROR; | |
| 840 } | |
| 841 | |
| 842 if (var.len == 0) { | |
| 843 goto invalid; | |
| 844 } | |
| 845 | |
| 577 | 846 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) { |
| 847 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 848 "use \"$body_bytes_sent\" instead of " | |
| 849 "\"$apache_bytes_sent\""); | |
| 850 } | |
| 851 | |
| 573 | 852 for (v = ngx_http_log_vars; v->name.len; v++) { |
| 853 | |
| 854 if (v->name.len == var.len | |
| 855 && ngx_strncmp(v->name.data, var.data, var.len) == 0) | |
| 856 { | |
| 857 op->len = v->len; | |
| 858 op->getlen = NULL; | |
| 859 op->run = v->run; | |
| 860 op->data = 0; | |
| 861 | |
| 862 goto found; | |
| 863 } | |
| 864 } | |
| 865 | |
| 569 | 866 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) { |
| 867 return NGX_CONF_ERROR; | |
| 868 } | |
| 869 | |
| 573 | 870 found: |
| 871 | |
| 872 continue; | |
| 873 } | |
| 874 | |
| 875 i++; | |
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876 |
| 880 | 877 while (i < value[s].len && value[s].data[i] != '$') { |
| 573 | 878 i++; |
| 879 } | |
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880 |
| 573 | 881 len = &value[s].data[i] - data; |
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882 |
| 573 | 883 if (len) { |
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884 |
| 573 | 885 op->len = len; |
| 886 op->getlen = NULL; | |
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887 |
| 573 | 888 if (len <= sizeof(uintptr_t)) { |
| 889 op->run = ngx_http_log_copy_short; | |
| 890 op->data = 0; | |
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891 |
| 573 | 892 while (len--) { |
| 893 op->data <<= 8; | |
| 894 op->data |= data[len]; | |
| 895 } | |
| 896 | |
| 897 } else { | |
| 898 op->run = ngx_http_log_copy_long; | |
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899 |
| 573 | 900 p = ngx_palloc(cf->pool, len); |
| 901 if (p == NULL) { | |
| 902 return NGX_CONF_ERROR; | |
| 903 } | |
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904 |
| 573 | 905 ngx_memcpy(p, data, len); |
| 906 op->data = (uintptr_t) p; | |
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907 } |
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908 } |
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909 } |
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910 } |
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911 |
| 569 | 912 return NGX_CONF_OK; |
| 913 | |
| 914 invalid: | |
| 915 | |
| 916 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); | |
| 917 | |
| 918 return NGX_CONF_ERROR; | |
| 919 } | |
| 920 | |
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921 |
| 569 | 922 static ngx_int_t |
| 573 | 923 ngx_http_log_init(ngx_conf_t *cf) |
| 569 | 924 { |
| 573 | 925 ngx_str_t *value; |
| 926 ngx_array_t a; | |
| 581 | 927 ngx_http_handler_pt *h; |
| 573 | 928 ngx_http_log_fmt_t *fmt; |
| 929 ngx_http_log_main_conf_t *lmcf; | |
| 569 | 930 ngx_http_core_main_conf_t *cmcf; |
| 931 | |
| 573 | 932 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 933 | |
| 934 if (lmcf->combined_used) { | |
| 935 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { | |
| 936 return NGX_ERROR; | |
| 937 } | |
| 938 | |
| 939 value = ngx_array_push(&a); | |
| 940 if (value == NULL) { | |
| 941 return NGX_ERROR; | |
| 942 } | |
| 943 | |
| 944 *value = ngx_http_combined_fmt; | |
| 945 fmt = lmcf->formats.elts; | |
| 946 | |
| 947 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0) | |
| 948 != NGX_CONF_OK) | |
| 949 { | |
| 950 return NGX_ERROR; | |
| 951 } | |
| 952 } | |
| 953 | |
| 954 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 569 | 955 |
| 581 | 956 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); |
| 957 if (h == NULL) { | |
| 958 return NGX_ERROR; | |
| 959 } | |
| 960 | |
| 961 *h = ngx_http_log_handler; | |
| 569 | 962 |
| 963 return NGX_OK; | |
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964 } |