Mercurial > hg > nginx
annotate src/http/modules/ngx_http_log_module.c @ 1074:8164f479b362
fix "access_log off"
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 24 Jan 2007 09:15:25 +0000 |
| parents | bd4202f92581 |
| children | 6002e0253221 |
| 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 |
| 117 |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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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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140 |
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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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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 }, | |
| 173 { ngx_string("request_time"), NGX_TIME_T_LEN, ngx_http_log_request_time }, | |
| 174 { ngx_string("status"), 3, ngx_http_log_status }, | |
| 175 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, | |
| 577 | 176 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, |
| 177 ngx_http_log_body_bytes_sent }, | |
| 573 | 178 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN, |
| 577 | 179 ngx_http_log_body_bytes_sent }, |
| 573 | 180 { ngx_string("request_length"), NGX_SIZE_T_LEN, |
| 181 ngx_http_log_request_length }, | |
| 182 | |
| 183 { ngx_null_string, 0, NULL } | |
| 184 }; | |
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186 |
| 497 | 187 ngx_int_t |
| 188 ngx_http_log_handler(ngx_http_request_t *r) | |
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189 { |
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190 u_char *line, *p; |
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191 size_t len; |
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192 ngx_uint_t i, l; |
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193 ngx_http_log_t *log; |
| 571 | 194 ngx_open_file_t *file; |
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195 ngx_http_log_op_t *op; |
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196 ngx_http_log_loc_conf_t *lcf; |
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197 |
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198 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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199 "http log handler"); |
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200 |
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99
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201 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); |
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202 |
|
427
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203 if (lcf->off) { |
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204 return NGX_OK; |
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205 } |
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206 |
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207 log = lcf->logs->elts; |
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208 for (l = 0; l < lcf->logs->nelts; l++) { |
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209 |
| 633 | 210 if (ngx_time() == log[l].disk_full_time) { |
| 211 | |
| 212 /* | |
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213 * on FreeBSD writing to a full filesystem with enabled softupdates |
| 633 | 214 * may block process for much longer time than writing to non-full |
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215 * filesystem, so we skip writing to a log for one second |
| 633 | 216 */ |
| 217 | |
| 218 continue; | |
| 219 } | |
| 220 | |
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221 len = 0; |
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222 op = log[l].ops->elts; |
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223 for (i = 0; i < log[l].ops->nelts; i++) { |
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224 if (op[i].len == 0) { |
| 479 | 225 len += op[i].getlen(r, op[i].data); |
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226 |
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227 } else { |
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228 len += op[i].len; |
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229 } |
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230 } |
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231 |
| 571 | 232 len += NGX_LINEFEED_SIZE; |
| 233 | |
| 234 file = log[l].file; | |
| 235 | |
| 236 if (file->buffer) { | |
| 237 | |
| 238 if (len > (size_t) (file->last - file->pos)) { | |
| 239 | |
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240 ngx_http_log_write(r, &log[l], file->buffer, |
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241 file->pos - file->buffer); |
| 571 | 242 |
| 243 file->pos = file->buffer; | |
| 244 } | |
| 245 | |
| 246 if (len <= (size_t) (file->last - file->pos)) { | |
| 247 | |
| 248 p = file->pos; | |
| 249 | |
| 250 for (i = 0; i < log[l].ops->nelts; i++) { | |
| 251 p = op[i].run(r, p, &op[i]); | |
| 252 } | |
| 253 | |
| 254 ngx_linefeed(p); | |
| 255 | |
| 256 file->pos = p; | |
| 257 | |
| 258 continue; | |
| 259 } | |
| 260 } | |
|
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261 |
| 501 | 262 line = ngx_palloc(r->pool, len); |
| 263 if (line == NULL) { | |
| 473 | 264 return NGX_ERROR; |
| 265 } | |
| 266 | |
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267 p = line; |
|
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268 |
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269 for (i = 0; i < log[l].ops->nelts; i++) { |
| 479 | 270 p = op[i].run(r, p, &op[i]); |
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271 } |
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272 |
| 571 | 273 ngx_linefeed(p); |
| 274 | |
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275 ngx_http_log_write(r, &log[l], line, p - line); |
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276 } |
|
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277 |
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278 return NGX_OK; |
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279 } |
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280 |
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281 |
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282 static void |
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283 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, |
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284 size_t len) |
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285 { |
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286 time_t now; |
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287 ssize_t n; |
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288 ngx_err_t err; |
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289 |
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290 n = ngx_write_fd(log->file->fd, buf, len); |
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291 |
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292 if (n == (ssize_t) len) { |
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293 return; |
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294 } |
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295 |
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296 now = ngx_time(); |
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297 |
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298 if (n == -1) { |
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299 err = ngx_errno; |
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300 |
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301 if (err == NGX_ENOSPC) { |
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302 log->disk_full_time = now; |
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303 } |
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304 |
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305 if (now - log->error_log_time > 60) { |
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306 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, |
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307 ngx_write_fd_n " to \"%V\" failed", |
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308 &log->file->name); |
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309 |
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310 log->error_log_time = now; |
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311 } |
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312 |
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313 return; |
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314 } |
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315 |
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316 if (now - log->error_log_time > 60) { |
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317 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
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318 ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz", |
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319 &log->file->name, n, len); |
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320 |
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321 log->error_log_time = now; |
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322 } |
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323 } |
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324 |
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325 |
| 497 | 326 static u_char * |
| 327 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, | |
| 328 ngx_http_log_op_t *op) | |
| 479 | 329 { |
| 330 size_t len; | |
| 331 uintptr_t data; | |
| 332 | |
| 333 len = op->len; | |
| 334 data = op->data; | |
| 335 | |
| 336 while (len--) { | |
| 337 *buf++ = (u_char) (data & 0xff); | |
| 338 data >>= 8; | |
| 339 } | |
| 340 | |
| 341 return buf; | |
| 342 } | |
| 343 | |
| 344 | |
| 497 | 345 static u_char * |
| 346 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, | |
| 347 ngx_http_log_op_t *op) | |
| 479 | 348 { |
| 349 return ngx_cpymem(buf, (u_char *) op->data, op->len); | |
| 350 } | |
| 351 | |
| 352 | |
| 497 | 353 static u_char * |
| 354 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, | |
| 355 ngx_http_log_op_t *op) | |
|
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356 { |
| 455 | 357 return ngx_sprintf(buf, "%ui", r->connection->number); |
|
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358 } |
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359 |
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360 |
| 497 | 361 static u_char * |
| 362 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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363 { |
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364 if (r->pipeline) { |
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365 *buf = 'p'; |
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366 } else { |
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367 *buf = '.'; |
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368 } |
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369 |
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370 return buf + 1; |
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371 } |
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372 |
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373 |
| 497 | 374 static u_char * |
| 375 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
176
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376 { |
|
178
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377 return ngx_cpymem(buf, ngx_cached_http_log_time.data, |
|
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378 ngx_cached_http_log_time.len); |
|
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379 } |
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380 |
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381 |
| 497 | 382 static u_char * |
| 383 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
409
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384 { |
| 563 | 385 ngx_time_t *tp; |
|
409
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386 |
| 563 | 387 tp = ngx_timeofday(); |
|
409
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388 |
| 563 | 389 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); |
|
409
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390 } |
|
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391 |
|
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392 |
| 497 | 393 static u_char * |
| 394 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
| 395 ngx_http_log_op_t *op) | |
| 396 { | |
| 397 time_t elapsed; | |
| 398 | |
| 399 elapsed = ngx_time() - r->start_time; | |
| 400 | |
| 401 return ngx_sprintf(buf, "%T", elapsed); | |
| 402 } | |
| 403 | |
| 404 | |
| 405 static u_char * | |
| 406 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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407 { |
| 455 | 408 return ngx_sprintf(buf, "%ui", |
| 409 r->err_status ? r->err_status : r->headers_out.status); | |
|
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410 } |
|
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411 |
|
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412 |
| 497 | 413 static u_char * |
| 573 | 414 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 415 ngx_http_log_op_t *op) | |
|
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416 { |
| 455 | 417 return ngx_sprintf(buf, "%O", r->connection->sent); |
|
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418 } |
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419 |
|
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420 |
| 497 | 421 static u_char * |
| 577 | 422 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 497 | 423 ngx_http_log_op_t *op) |
|
210
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424 { |
| 497 | 425 off_t length; |
| 426 | |
| 427 length = r->connection->sent - r->header_size; | |
| 428 | |
| 429 if (length > 0) { | |
| 430 return ngx_sprintf(buf, "%O", length); | |
| 431 } | |
| 432 | |
| 433 *buf = '0'; | |
| 434 | |
| 435 return buf + 1; | |
|
210
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436 } |
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437 |
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438 |
| 497 | 439 static u_char * |
| 440 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, | |
| 441 ngx_http_log_op_t *op) | |
| 475 | 442 { |
| 663 | 443 return ngx_sprintf(buf, "%O", r->request_length); |
| 475 | 444 } |
| 445 | |
| 446 | |
| 497 | 447 static ngx_int_t |
| 501 | 448 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, |
| 449 ngx_str_t *value) | |
| 450 { | |
| 509 | 451 ngx_int_t index; |
| 501 | 452 |
| 509 | 453 index = ngx_http_get_variable_index(cf, value); |
| 454 if (index == NGX_ERROR) { | |
| 501 | 455 return NGX_ERROR; |
| 456 } | |
| 457 | |
| 458 op->len = 0; | |
| 459 op->getlen = ngx_http_log_variable_getlen; | |
| 460 op->run = ngx_http_log_variable; | |
| 509 | 461 op->data = index; |
| 501 | 462 |
| 463 return NGX_OK; | |
| 464 } | |
| 465 | |
| 466 | |
| 467 static size_t | |
| 468 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) | |
| 469 { | |
| 470 ngx_http_variable_value_t *value; | |
| 471 | |
| 472 value = ngx_http_get_indexed_variable(r, data); | |
| 473 | |
| 573 | 474 if (value == NULL || value->not_found) { |
| 501 | 475 return 1; |
| 476 } | |
| 477 | |
| 573 | 478 return value->len; |
| 501 | 479 } |
| 480 | |
| 481 | |
| 482 static u_char * | |
| 483 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
| 484 { | |
| 485 ngx_http_variable_value_t *value; | |
| 486 | |
| 487 value = ngx_http_get_indexed_variable(r, op->data); | |
| 488 | |
| 573 | 489 if (value == NULL || value->not_found) { |
| 501 | 490 *buf = '-'; |
| 491 return buf + 1; | |
| 492 } | |
| 493 | |
| 573 | 494 return ngx_cpymem(buf, value->data, value->len); |
| 501 | 495 } |
| 496 | |
| 497 | |
| 497 | 498 static void * |
| 499 ngx_http_log_create_main_conf(ngx_conf_t *cf) | |
|
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500 { |
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501 ngx_http_log_main_conf_t *conf; |
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502 |
| 573 | 503 ngx_http_log_fmt_t *fmt; |
|
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504 |
| 501 | 505 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); |
| 506 if (conf == NULL) { | |
|
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507 return NGX_CONF_ERROR; |
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508 } |
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509 |
| 497 | 510 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) |
| 573 | 511 != NGX_OK) |
| 497 | 512 { |
| 513 return NGX_CONF_ERROR; | |
| 514 } | |
|
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515 |
| 573 | 516 fmt = ngx_array_push(&conf->formats); |
| 517 if (fmt == NULL) { | |
|
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518 return NGX_CONF_ERROR; |
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519 } |
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520 |
| 573 | 521 fmt->name.len = sizeof("combined") - 1; |
| 522 fmt->name.data = (u_char *) "combined"; | |
|
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523 |
| 573 | 524 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 525 if (fmt->ops == NULL) { | |
| 569 | 526 return NGX_CONF_ERROR; |
|
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527 } |
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528 |
|
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529 return conf; |
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530 } |
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531 |
|
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532 |
| 497 | 533 static void * |
| 534 ngx_http_log_create_loc_conf(ngx_conf_t *cf) | |
|
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535 { |
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536 ngx_http_log_loc_conf_t *conf; |
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537 |
| 501 | 538 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); |
| 539 if (conf == NULL) { | |
|
427
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540 return NGX_CONF_ERROR; |
|
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541 } |
|
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542 |
|
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543 return conf; |
|
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544 } |
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545 |
|
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546 |
| 497 | 547 static char * |
| 548 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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549 { |
|
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550 ngx_http_log_loc_conf_t *prev = parent; |
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551 ngx_http_log_loc_conf_t *conf = child; |
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552 |
|
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553 ngx_http_log_t *log; |
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554 ngx_http_log_fmt_t *fmt; |
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555 ngx_http_log_main_conf_t *lmcf; |
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556 |
| 1074 | 557 if (conf->logs || conf->off) { |
| 558 return NGX_CONF_OK; | |
| 559 } | |
|
427
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560 |
| 1074 | 561 *conf = *prev; |
|
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562 |
| 1074 | 563 if (conf->logs || conf->off) { |
| 564 return NGX_CONF_OK; | |
| 565 } | |
|
99
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566 |
| 1074 | 567 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
| 568 if (conf->logs == NULL) { | |
| 569 return NGX_CONF_ERROR; | |
| 570 } | |
|
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571 |
| 1074 | 572 log = ngx_array_push(conf->logs); |
| 573 if (log == NULL) { | |
| 574 return NGX_CONF_ERROR; | |
| 575 } | |
|
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576 |
| 1074 | 577 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); |
| 578 if (log->file == NULL) { | |
| 579 return NGX_CONF_ERROR; | |
| 580 } | |
|
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581 |
| 1074 | 582 log->disk_full_time = 0; |
| 583 log->error_log_time = 0; | |
|
427
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584 |
| 1074 | 585 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 586 fmt = lmcf->formats.elts; | |
| 587 | |
| 588 /* the default "combined" format */ | |
| 589 log->ops = fmt[0].ops; | |
| 590 lmcf->combined_used = 1; | |
|
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69
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changeset
|
591 |
|
a059e1aa65d4
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|
592 return NGX_CONF_OK; |
|
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69
diff
changeset
|
593 } |
|
a059e1aa65d4
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69
diff
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|
594 |
|
a059e1aa65d4
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|
595 |
| 497 | 596 static char * |
| 597 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
99
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|
598 { |
|
176
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|
599 ngx_http_log_loc_conf_t *llcf = conf; |
|
99
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|
600 |
| 571 | 601 ssize_t buf; |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
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282
diff
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|
602 ngx_uint_t i; |
|
176
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603 ngx_str_t *value, name; |
|
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604 ngx_http_log_t *log; |
|
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|
605 ngx_http_log_fmt_t *fmt; |
|
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606 ngx_http_log_main_conf_t *lmcf; |
|
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|
607 |
|
427
0d08eabe5c7b
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415
diff
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|
608 value = cf->args->elts; |
|
0d08eabe5c7b
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415
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|
609 |
|
0d08eabe5c7b
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|
610 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
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diff
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|
611 llcf->off = 1; |
|
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|
612 return NGX_CONF_OK; |
|
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
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|
613 } |
|
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
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|
614 |
|
176
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|
615 if (llcf->logs == NULL) { |
|
427
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|
616 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
|
0d08eabe5c7b
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617 if (llcf->logs == NULL) { |
|
176
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618 return NGX_CONF_ERROR; |
|
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619 } |
|
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620 } |
|
99
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|
621 |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
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|
622 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
|
99
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623 |
| 501 | 624 log = ngx_array_push(llcf->logs); |
| 625 if (log == NULL) { | |
|
176
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626 return NGX_CONF_ERROR; |
|
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627 } |
|
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628 |
| 501 | 629 log->file = ngx_conf_open_file(cf->cycle, &value[1]); |
| 630 if (log->file == NULL) { | |
|
176
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631 return NGX_CONF_ERROR; |
|
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632 } |
|
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|
633 |
| 633 | 634 log->disk_full_time = 0; |
|
1071
bd4202f92581
log a failure of the writing to access_log once per minute
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|
635 log->error_log_time = 0; |
| 633 | 636 |
| 571 | 637 if (cf->args->nelts >= 3) { |
|
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|
638 name = value[2]; |
| 581 | 639 |
| 640 if (ngx_strcmp(name.data, "combined") == 0) { | |
| 641 lmcf->combined_used = 1; | |
| 642 } | |
| 643 | |
|
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644 } else { |
|
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645 name.len = sizeof("combined") - 1; |
|
292
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nginx-0.0.3-2004-03-17-00:26:01 import
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|
646 name.data = (u_char *) "combined"; |
| 573 | 647 lmcf->combined_used = 1; |
|
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|
648 } |
|
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|
649 |
|
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650 fmt = lmcf->formats.elts; |
|
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651 for (i = 0; i < lmcf->formats.nelts; i++) { |
|
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652 if (fmt[i].name.len == name.len |
|
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653 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) |
|
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654 { |
|
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655 log->ops = fmt[i].ops; |
| 571 | 656 goto buffer; |
|
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|
657 } |
|
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|
658 } |
|
100
7ebc8b7fb816
nginx-0.0.1-2003-06-03-19:42:58 import
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99
diff
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|
659 |
| 487 | 660 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 661 "unknown log format \"%V\"", &name); | |
| 571 | 662 return NGX_CONF_ERROR; |
| 487 | 663 |
| 571 | 664 buffer: |
| 665 | |
| 666 if (cf->args->nelts == 4) { | |
| 667 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) { | |
| 668 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 669 "invalid parameter \"%V\"", &value[3]); | |
| 670 return NGX_CONF_ERROR; | |
| 671 } | |
| 672 | |
| 673 name.len = value[3].len - 7; | |
| 674 name.data = value[3].data + 7; | |
| 675 | |
| 676 buf = ngx_parse_size(&name); | |
| 677 | |
| 678 if (buf == NGX_ERROR) { | |
| 679 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 680 "invalid parameter \"%V\"", &value[3]); | |
| 681 return NGX_CONF_ERROR; | |
| 682 } | |
| 683 | |
| 684 if (log->file->buffer && log->file->last - log->file->pos != buf) { | |
| 685 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 686 "access_log \"%V\" already defined " | |
| 687 "with different buffer size", &value[1]); | |
| 688 return NGX_CONF_ERROR; | |
| 689 } | |
| 690 | |
| 691 log->file->buffer = ngx_palloc(cf->pool, buf); | |
| 692 if (log->file->buffer == NULL) { | |
| 693 return NGX_CONF_ERROR; | |
| 694 } | |
| 695 | |
| 696 log->file->pos = log->file->buffer; | |
| 697 log->file->last = log->file->buffer + buf; | |
| 698 } | |
| 699 | |
| 700 return NGX_CONF_OK; | |
|
99
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|
701 } |
|
176
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|
702 |
|
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|
703 |
| 497 | 704 static char * |
| 705 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
176
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|
706 { |
|
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|
707 ngx_http_log_main_conf_t *lmcf = conf; |
|
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|
708 |
| 573 | 709 ngx_str_t *value; |
| 710 ngx_uint_t i; | |
| 711 ngx_http_log_fmt_t *fmt; | |
|
176
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|
712 |
|
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|
713 value = cf->args->elts; |
|
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|
714 |
|
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|
715 fmt = lmcf->formats.elts; |
| 573 | 716 for (i = 0; i < lmcf->formats.nelts; i++) { |
| 717 if (fmt[i].name.len == value[1].len | |
| 718 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) | |
|
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|
719 { |
|
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|
720 return "duplicate \"log_format\" name"; |
|
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|
721 } |
|
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|
722 } |
|
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|
723 |
| 501 | 724 fmt = ngx_array_push(&lmcf->formats); |
| 725 if (fmt == NULL) { | |
|
176
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|
726 return NGX_CONF_ERROR; |
|
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727 } |
|
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|
728 |
|
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|
729 fmt->name = value[1]; |
|
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|
730 |
| 573 | 731 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 501 | 732 if (fmt->ops == NULL) { |
|
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|
733 return NGX_CONF_ERROR; |
|
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|
734 } |
|
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|
735 |
| 573 | 736 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2); |
| 737 } | |
| 738 | |
|
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|
739 |
| 573 | 740 static char * |
| 741 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops, | |
| 742 ngx_array_t *args, ngx_uint_t s) | |
| 743 { | |
| 880 | 744 u_char *data, *p, ch; |
| 745 size_t i, len; | |
| 746 ngx_str_t *value, var; | |
| 747 ngx_uint_t bracket; | |
| 748 ngx_http_log_op_t *op; | |
| 749 ngx_http_log_var_t *v; | |
| 573 | 750 |
| 751 value = args->elts; | |
| 752 | |
| 753 for ( /* void */ ; s < args->nelts; s++) { | |
|
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|
754 |
| 880 | 755 for (i = 0; i < value[s].len; i++) { |
| 756 if (value[s].data[i] != '%') { | |
| 757 continue; | |
| 758 } | |
| 759 | |
| 760 ch = value[s].data[i + 1]; | |
| 761 | |
| 762 if ((ch >= 'A' && ch <= 'Z') | |
| 763 || (ch >= 'a' && ch <= 'z') | |
| 764 || ch == '{') | |
| 765 { | |
| 766 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 767 "the parameters in the \"%%name\" form are not supported, " | |
| 768 "use the \"$variable\" instead"); | |
| 769 | |
| 770 return NGX_CONF_ERROR; | |
| 771 } | |
| 772 } | |
| 773 | |
|
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774 i = 0; |
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775 |
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776 while (i < value[s].len) { |
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777 |
| 573 | 778 op = ngx_array_push(ops); |
| 501 | 779 if (op == NULL) { |
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780 return NGX_CONF_ERROR; |
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781 } |
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782 |
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783 data = &value[s].data[i]; |
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784 |
| 880 | 785 if (value[s].data[i] == '$') { |
| 569 | 786 |
| 787 if (++i == value[s].len) { | |
| 788 goto invalid; | |
| 789 } | |
| 790 | |
| 791 if (value[s].data[i] == '{') { | |
| 792 bracket = 1; | |
| 793 | |
| 794 if (++i == value[s].len) { | |
| 795 goto invalid; | |
| 796 } | |
| 797 | |
| 798 var.data = &value[s].data[i]; | |
| 799 | |
| 800 } else { | |
| 801 bracket = 0; | |
| 802 var.data = &value[s].data[i]; | |
| 803 } | |
| 804 | |
| 805 for (var.len = 0; i < value[s].len; i++, var.len++) { | |
| 806 ch = value[s].data[i]; | |
| 807 | |
| 808 if (ch == '}' && bracket) { | |
| 809 i++; | |
| 810 bracket = 0; | |
| 811 break; | |
| 812 } | |
| 813 | |
| 814 if ((ch >= 'A' && ch <= 'Z') | |
| 815 || (ch >= 'a' && ch <= 'z') | |
| 816 || (ch >= '0' && ch <= '9') | |
| 817 || ch == '_') | |
| 818 { | |
| 819 continue; | |
| 820 } | |
| 821 | |
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822 break; |
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823 } |
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824 |
| 569 | 825 if (bracket) { |
| 826 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 827 "the closing bracket in \"%V\" " | |
| 828 "variable is missing", &var); | |
| 829 return NGX_CONF_ERROR; | |
| 830 } | |
| 831 | |
| 832 if (var.len == 0) { | |
| 833 goto invalid; | |
| 834 } | |
| 835 | |
| 577 | 836 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) { |
| 837 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 838 "use \"$body_bytes_sent\" instead of " | |
| 839 "\"$apache_bytes_sent\""); | |
| 840 } | |
| 841 | |
| 573 | 842 for (v = ngx_http_log_vars; v->name.len; v++) { |
| 843 | |
| 844 if (v->name.len == var.len | |
| 845 && ngx_strncmp(v->name.data, var.data, var.len) == 0) | |
| 846 { | |
| 847 op->len = v->len; | |
| 848 op->getlen = NULL; | |
| 849 op->run = v->run; | |
| 850 op->data = 0; | |
| 851 | |
| 852 goto found; | |
| 853 } | |
| 854 } | |
| 855 | |
| 569 | 856 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) { |
| 857 return NGX_CONF_ERROR; | |
| 858 } | |
| 859 | |
| 573 | 860 found: |
| 861 | |
| 862 continue; | |
| 863 } | |
| 864 | |
| 865 i++; | |
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866 |
| 880 | 867 while (i < value[s].len && value[s].data[i] != '$') { |
| 573 | 868 i++; |
| 869 } | |
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870 |
| 573 | 871 len = &value[s].data[i] - data; |
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872 |
| 573 | 873 if (len) { |
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874 |
| 573 | 875 op->len = len; |
| 876 op->getlen = NULL; | |
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877 |
| 573 | 878 if (len <= sizeof(uintptr_t)) { |
| 879 op->run = ngx_http_log_copy_short; | |
| 880 op->data = 0; | |
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881 |
| 573 | 882 while (len--) { |
| 883 op->data <<= 8; | |
| 884 op->data |= data[len]; | |
| 885 } | |
| 886 | |
| 887 } else { | |
| 888 op->run = ngx_http_log_copy_long; | |
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889 |
| 573 | 890 p = ngx_palloc(cf->pool, len); |
| 891 if (p == NULL) { | |
| 892 return NGX_CONF_ERROR; | |
| 893 } | |
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894 |
| 573 | 895 ngx_memcpy(p, data, len); |
| 896 op->data = (uintptr_t) p; | |
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897 } |
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898 } |
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899 } |
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900 } |
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901 |
| 569 | 902 return NGX_CONF_OK; |
| 903 | |
| 904 invalid: | |
| 905 | |
| 906 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); | |
| 907 | |
| 908 return NGX_CONF_ERROR; | |
| 909 } | |
| 910 | |
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911 |
| 569 | 912 static ngx_int_t |
| 573 | 913 ngx_http_log_init(ngx_conf_t *cf) |
| 569 | 914 { |
| 573 | 915 ngx_str_t *value; |
| 916 ngx_array_t a; | |
| 581 | 917 ngx_http_handler_pt *h; |
| 573 | 918 ngx_http_log_fmt_t *fmt; |
| 919 ngx_http_log_main_conf_t *lmcf; | |
| 569 | 920 ngx_http_core_main_conf_t *cmcf; |
| 921 | |
| 573 | 922 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 923 | |
| 924 if (lmcf->combined_used) { | |
| 925 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { | |
| 926 return NGX_ERROR; | |
| 927 } | |
| 928 | |
| 929 value = ngx_array_push(&a); | |
| 930 if (value == NULL) { | |
| 931 return NGX_ERROR; | |
| 932 } | |
| 933 | |
| 934 *value = ngx_http_combined_fmt; | |
| 935 fmt = lmcf->formats.elts; | |
| 936 | |
| 937 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0) | |
| 938 != NGX_CONF_OK) | |
| 939 { | |
| 940 return NGX_ERROR; | |
| 941 } | |
| 942 } | |
| 943 | |
| 944 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 569 | 945 |
| 581 | 946 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); |
| 947 if (h == NULL) { | |
| 948 return NGX_ERROR; | |
| 949 } | |
| 950 | |
| 951 *h = ngx_http_log_handler; | |
| 569 | 952 |
| 953 return NGX_OK; | |
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954 } |