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comparison src/http/modules/ngx_http_log_module.c @ 5653:cb308813b453

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Access log: the "if" parameter of the "access_log" directive. The parameter value specifies a condition under which the request is logged.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 15 Apr 2014 21:32:56 +0400
parents 7094d6da2806
children 777202558122
comparison
equal deleted inserted replaced
5652:b6240baead00 5653:cb308813b453
65 ngx_open_file_t *file; 65 ngx_open_file_t *file;
66 ngx_http_log_script_t *script; 66 ngx_http_log_script_t *script;
67 time_t disk_full_time; 67 time_t disk_full_time;
68 time_t error_log_time; 68 time_t error_log_time;
69 ngx_http_log_fmt_t *format; 69 ngx_http_log_fmt_t *format;
70 ngx_http_complex_value_t *filter;
70 } ngx_http_log_t; 71 } ngx_http_log_t;
71 72
72 73
73 typedef struct { 74 typedef struct {
74 ngx_array_t *logs; /* array of ngx_http_log_t */ 75 ngx_array_t *logs; /* array of ngx_http_log_t */
238 static ngx_int_t 239 static ngx_int_t
239 ngx_http_log_handler(ngx_http_request_t *r) 240 ngx_http_log_handler(ngx_http_request_t *r)
240 { 241 {
241 u_char *line, *p; 242 u_char *line, *p;
242 size_t len; 243 size_t len;
244 ngx_str_t val;
243 ngx_uint_t i, l; 245 ngx_uint_t i, l;
244 ngx_http_log_t *log; 246 ngx_http_log_t *log;
245 ngx_http_log_op_t *op; 247 ngx_http_log_op_t *op;
246 ngx_http_log_buf_t *buffer; 248 ngx_http_log_buf_t *buffer;
247 ngx_http_log_loc_conf_t *lcf; 249 ngx_http_log_loc_conf_t *lcf;
255 return NGX_OK; 257 return NGX_OK;
256 } 258 }
257 259
258 log = lcf->logs->elts; 260 log = lcf->logs->elts;
259 for (l = 0; l < lcf->logs->nelts; l++) { 261 for (l = 0; l < lcf->logs->nelts; l++) {
262
263 if (log[l].filter) {
264 if (ngx_http_complex_value(r, log[l].filter, &val) != NGX_OK) {
265 return NGX_ERROR;
266 }
267
268 if (val.len == 0 || (val.len == 1 && val.data[0] == '0')) {
269 continue;
270 }
271 }
260 272
261 if (ngx_time() == log[l].disk_full_time) { 273 if (ngx_time() == log[l].disk_full_time) {
262 274
263 /* 275 /*
264 * on FreeBSD writing to a full filesystem with enabled softupdates 276 * on FreeBSD writing to a full filesystem with enabled softupdates
1083 static char * 1095 static char *
1084 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) 1096 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
1085 { 1097 {
1086 ngx_http_log_loc_conf_t *llcf = conf; 1098 ngx_http_log_loc_conf_t *llcf = conf;
1087 1099
1088 ssize_t size; 1100 ssize_t size;
1089 ngx_int_t gzip; 1101 ngx_int_t gzip;
1090 ngx_uint_t i, n; 1102 ngx_uint_t i, n;
1091 ngx_msec_t flush; 1103 ngx_msec_t flush;
1092 ngx_str_t *value, name, s; 1104 ngx_str_t *value, name, s, filter;
1093 ngx_http_log_t *log; 1105 ngx_http_log_t *log;
1094 ngx_http_log_buf_t *buffer; 1106 ngx_http_log_buf_t *buffer;
1095 ngx_http_log_fmt_t *fmt; 1107 ngx_http_log_fmt_t *fmt;
1096 ngx_http_log_main_conf_t *lmcf; 1108 ngx_http_log_main_conf_t *lmcf;
1097 ngx_http_script_compile_t sc; 1109 ngx_http_script_compile_t sc;
1110 ngx_http_compile_complex_value_t ccv;
1098 1111
1099 value = cf->args->elts; 1112 value = cf->args->elts;
1100 1113
1101 if (ngx_strcmp(value[1].data, "off") == 0) { 1114 if (ngx_strcmp(value[1].data, "off") == 0) {
1102 llcf->off = 1; 1115 llcf->off = 1;
1187 } 1200 }
1188 1201
1189 size = 0; 1202 size = 0;
1190 flush = 0; 1203 flush = 0;
1191 gzip = 0; 1204 gzip = 0;
1205 filter.len = 0;
1192 1206
1193 for (i = 3; i < cf->args->nelts; i++) { 1207 for (i = 3; i < cf->args->nelts; i++) {
1194 1208
1195 if (ngx_strncmp(value[i].data, "buffer=", 7) == 0) { 1209 if (ngx_strncmp(value[i].data, "buffer=", 7) == 0) {
1196 s.len = value[i].len - 7; 1210 s.len = value[i].len - 7;
1251 #else 1265 #else
1252 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, 1266 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
1253 "nginx was built without zlib support"); 1267 "nginx was built without zlib support");
1254 return NGX_CONF_ERROR; 1268 return NGX_CONF_ERROR;
1255 #endif 1269 #endif
1270 }
1271
1272 if (ngx_strncmp(value[i].data, "if=", 3) == 0) {
1273 filter.len = value[i].len - 3;
1274 filter.data = value[i].data + 3;
1275 continue;
1256 } 1276 }
1257 1277
1258 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, 1278 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
1259 "invalid parameter \"%V\"", &value[i]); 1279 "invalid parameter \"%V\"", &value[i]);
1260 return NGX_CONF_ERROR; 1280 return NGX_CONF_ERROR;
1322 1342
1323 log->file->flush = ngx_http_log_flush; 1343 log->file->flush = ngx_http_log_flush;
1324 log->file->data = buffer; 1344 log->file->data = buffer;
1325 } 1345 }
1326 1346
1347 if (filter.len) {
1348 log->filter = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t));
1349 if (log->filter == NULL) {
1350 return NGX_CONF_ERROR;
1351 }
1352
1353 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t));
1354
1355 ccv.cf = cf;
1356 ccv.value = &filter;
1357 ccv.complex_value = log->filter;
1358
1359 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) {
1360 return NGX_CONF_ERROR;
1361 }
1362 }
1363
1327 return NGX_CONF_OK; 1364 return NGX_CONF_OK;
1328 } 1365 }
1329 1366
1330 1367
1331 static char * 1368 static char *