Mercurial > hg > nginx
annotate src/http/modules/ngx_http_log_module.c @ 2078:9acbc5e7bcbd
fix variable access_log merging
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 30 Jun 2008 15:51:28 +0000 |
| parents | 479440385e35 |
| children | a24c7009de0b |
| 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 { |
| 2072 | 43 ngx_array_t *lengths; |
| 44 ngx_array_t *values; | |
| 45 } ngx_http_log_script_t; | |
| 46 | |
| 47 | |
| 48 typedef struct { | |
| 573 | 49 ngx_open_file_t *file; |
| 2072 | 50 ngx_http_log_script_t *script; |
| 633 | 51 time_t disk_full_time; |
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52 time_t error_log_time; |
| 573 | 53 ngx_array_t *ops; /* array of ngx_http_log_op_t */ |
| 54 } ngx_http_log_t; | |
| 55 | |
| 657 | 56 |
| 573 | 57 typedef struct { |
| 58 ngx_array_t *logs; /* array of ngx_http_log_t */ | |
| 2072 | 59 |
| 60 ngx_open_file_cache_t *open_file_cache; | |
| 61 time_t open_file_cache_valid; | |
| 62 ngx_uint_t open_file_cache_min_uses; | |
| 63 | |
| 573 | 64 ngx_uint_t off; /* unsigned off:1 */ |
| 65 } ngx_http_log_loc_conf_t; | |
| 66 | |
| 67 | |
| 68 typedef struct { | |
| 69 ngx_str_t name; | |
| 70 size_t len; | |
| 71 ngx_http_log_op_run_pt run; | |
| 72 } ngx_http_log_var_t; | |
| 73 | |
| 74 | |
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75 static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, |
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76 u_char *buf, size_t len); |
| 2072 | 77 static ssize_t ngx_http_log_script_write(ngx_http_request_t *r, |
| 78 ngx_http_log_script_t *script, u_char **name, u_char *buf, size_t len); | |
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79 |
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80 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, |
| 497 | 81 ngx_http_log_op_t *op); |
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82 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, |
| 497 | 83 ngx_http_log_op_t *op); |
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84 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, |
| 497 | 85 ngx_http_log_op_t *op); |
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86 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, |
| 497 | 87 ngx_http_log_op_t *op); |
| 88 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
| 89 ngx_http_log_op_t *op); | |
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90 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, |
| 497 | 91 ngx_http_log_op_t *op); |
| 573 | 92 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 497 | 93 ngx_http_log_op_t *op); |
| 577 | 94 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r, |
| 573 | 95 u_char *buf, ngx_http_log_op_t *op); |
| 475 | 96 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, |
| 497 | 97 ngx_http_log_op_t *op); |
| 479 | 98 |
| 501 | 99 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, |
| 100 ngx_http_log_op_t *op, ngx_str_t *value); | |
| 101 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, | |
| 102 uintptr_t data); | |
| 103 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, | |
| 104 ngx_http_log_op_t *op); | |
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105 static uintptr_t ngx_http_log_escape(u_char *dst, u_char *src, size_t size); |
| 501 | 106 |
| 107 | |
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108 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); |
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109 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); |
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110 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, |
| 497 | 111 void *child); |
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112 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, |
| 497 | 113 void *conf); |
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114 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, |
| 497 | 115 void *conf); |
| 573 | 116 static char *ngx_http_log_compile_format(ngx_conf_t *cf, |
| 117 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s); | |
| 2072 | 118 static char *ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
| 119 void *conf); | |
| 573 | 120 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf); |
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121 |
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123 static ngx_command_t ngx_http_log_commands[] = { |
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124 |
| 497 | 125 { ngx_string("log_format"), |
| 126 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, | |
| 127 ngx_http_log_set_format, | |
| 128 NGX_HTTP_MAIN_CONF_OFFSET, | |
| 129 0, | |
| 130 NULL }, | |
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131 |
| 497 | 132 { ngx_string("access_log"), |
| 645 | 133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
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134 |NGX_HTTP_LMT_CONF|NGX_CONF_TAKE123, |
| 497 | 135 ngx_http_log_set_log, |
| 136 NGX_HTTP_LOC_CONF_OFFSET, | |
| 137 0, | |
| 138 NULL }, | |
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139 |
| 2072 | 140 { ngx_string("open_log_file_cache"), |
| 141 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 142 ngx_http_log_open_file_cache, | |
| 143 NGX_HTTP_LOC_CONF_OFFSET, | |
| 144 0, | |
| 145 NULL }, | |
| 146 | |
| 497 | 147 ngx_null_command |
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148 }; |
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149 |
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150 |
| 667 | 151 static ngx_http_module_t ngx_http_log_module_ctx = { |
| 880 | 152 NULL, /* preconfiguration */ |
| 573 | 153 ngx_http_log_init, /* postconfiguration */ |
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154 |
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155 ngx_http_log_create_main_conf, /* create main configuration */ |
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156 NULL, /* init main configuration */ |
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157 |
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158 NULL, /* create server configuration */ |
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159 NULL, /* merge server configuration */ |
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160 |
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161 ngx_http_log_create_loc_conf, /* create location configration */ |
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162 ngx_http_log_merge_loc_conf /* merge location configration */ |
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163 }; |
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164 |
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166 ngx_module_t ngx_http_log_module = { |
| 509 | 167 NGX_MODULE_V1, |
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168 &ngx_http_log_module_ctx, /* module context */ |
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169 ngx_http_log_commands, /* module directives */ |
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170 NGX_HTTP_MODULE, /* module type */ |
| 541 | 171 NULL, /* init master */ |
| 573 | 172 NULL, /* init module */ |
| 541 | 173 NULL, /* init process */ |
| 174 NULL, /* init thread */ | |
| 175 NULL, /* exit thread */ | |
| 176 NULL, /* exit process */ | |
| 177 NULL, /* exit master */ | |
| 178 NGX_MODULE_V1_PADDING | |
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179 }; |
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180 |
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181 |
| 1074 | 182 static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH); |
| 573 | 183 |
| 184 | |
| 185 static ngx_str_t ngx_http_combined_fmt = | |
| 581 | 186 ngx_string("$remote_addr - $remote_user [$time_local] " |
| 577 | 187 "\"$request\" $status $body_bytes_sent " |
| 573 | 188 "\"$http_referer\" \"$http_user_agent\""); |
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190 |
| 573 | 191 static ngx_http_log_var_t ngx_http_log_vars[] = { |
| 192 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection }, | |
| 193 { ngx_string("pipe"), 1, ngx_http_log_pipe }, | |
| 581 | 194 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, |
| 573 | 195 ngx_http_log_time }, |
| 196 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec }, | |
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197 { ngx_string("request_time"), NGX_TIME_T_LEN + 4, |
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198 ngx_http_log_request_time }, |
| 573 | 199 { ngx_string("status"), 3, ngx_http_log_status }, |
| 200 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, | |
| 577 | 201 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, |
| 202 ngx_http_log_body_bytes_sent }, | |
| 573 | 203 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN, |
| 577 | 204 ngx_http_log_body_bytes_sent }, |
| 573 | 205 { ngx_string("request_length"), NGX_SIZE_T_LEN, |
| 206 ngx_http_log_request_length }, | |
| 207 | |
| 208 { ngx_null_string, 0, NULL } | |
| 209 }; | |
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211 |
| 497 | 212 ngx_int_t |
| 213 ngx_http_log_handler(ngx_http_request_t *r) | |
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214 { |
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290
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215 u_char *line, *p; |
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216 size_t len; |
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217 ngx_uint_t i, l; |
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218 ngx_http_log_t *log; |
| 571 | 219 ngx_open_file_t *file; |
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220 ngx_http_log_op_t *op; |
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221 ngx_http_log_loc_conf_t *lcf; |
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222 |
|
210
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223 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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224 "http log handler"); |
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225 |
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226 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); |
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227 |
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228 if (lcf->off) { |
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229 return NGX_OK; |
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230 } |
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231 |
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232 log = lcf->logs->elts; |
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233 for (l = 0; l < lcf->logs->nelts; l++) { |
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234 |
| 633 | 235 if (ngx_time() == log[l].disk_full_time) { |
| 236 | |
| 237 /* | |
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238 * on FreeBSD writing to a full filesystem with enabled softupdates |
| 633 | 239 * may block process for much longer time than writing to non-full |
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240 * filesystem, so we skip writing to a log for one second |
| 633 | 241 */ |
| 242 | |
| 243 continue; | |
| 244 } | |
| 245 | |
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246 len = 0; |
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247 op = log[l].ops->elts; |
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248 for (i = 0; i < log[l].ops->nelts; i++) { |
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249 if (op[i].len == 0) { |
| 479 | 250 len += op[i].getlen(r, op[i].data); |
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251 |
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252 } else { |
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253 len += op[i].len; |
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254 } |
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255 } |
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256 |
| 571 | 257 len += NGX_LINEFEED_SIZE; |
| 258 | |
| 259 file = log[l].file; | |
| 260 | |
| 2072 | 261 if (file && file->buffer) { |
| 571 | 262 |
| 263 if (len > (size_t) (file->last - file->pos)) { | |
| 264 | |
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265 ngx_http_log_write(r, &log[l], file->buffer, |
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266 file->pos - file->buffer); |
| 571 | 267 |
| 268 file->pos = file->buffer; | |
| 269 } | |
| 270 | |
| 271 if (len <= (size_t) (file->last - file->pos)) { | |
| 272 | |
| 273 p = file->pos; | |
| 274 | |
| 275 for (i = 0; i < log[l].ops->nelts; i++) { | |
| 276 p = op[i].run(r, p, &op[i]); | |
| 277 } | |
| 278 | |
| 279 ngx_linefeed(p); | |
| 280 | |
| 281 file->pos = p; | |
| 282 | |
| 283 continue; | |
| 284 } | |
| 285 } | |
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286 |
| 2049 | 287 line = ngx_pnalloc(r->pool, len); |
| 501 | 288 if (line == NULL) { |
| 473 | 289 return NGX_ERROR; |
| 290 } | |
| 291 | |
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292 p = line; |
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293 |
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294 for (i = 0; i < log[l].ops->nelts; i++) { |
| 479 | 295 p = op[i].run(r, p, &op[i]); |
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296 } |
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297 |
| 571 | 298 ngx_linefeed(p); |
| 299 | |
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300 ngx_http_log_write(r, &log[l], line, p - line); |
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301 } |
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302 |
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303 return NGX_OK; |
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304 } |
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305 |
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306 |
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307 static void |
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308 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, |
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309 size_t len) |
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310 { |
| 2072 | 311 u_char *name; |
| 312 time_t now; | |
| 313 ssize_t n; | |
| 314 ngx_err_t err; | |
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315 |
| 2072 | 316 if (log->script == NULL) { |
| 317 name = log->file->name.data; | |
| 318 n = ngx_write_fd(log->file->fd, buf, len); | |
| 319 | |
| 320 } else { | |
| 321 name = NULL; | |
| 322 n = ngx_http_log_script_write(r, log->script, &name, buf, len); | |
| 323 } | |
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324 |
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325 if (n == (ssize_t) len) { |
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326 return; |
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327 } |
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328 |
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329 now = ngx_time(); |
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330 |
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331 if (n == -1) { |
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332 err = ngx_errno; |
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333 |
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334 if (err == NGX_ENOSPC) { |
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335 log->disk_full_time = now; |
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336 } |
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337 |
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338 if (now - log->error_log_time > 59) { |
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339 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, |
| 2072 | 340 ngx_write_fd_n " to \"%s\" failed", name); |
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341 |
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342 log->error_log_time = now; |
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343 } |
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344 |
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345 return; |
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346 } |
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347 |
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348 if (now - log->error_log_time > 59) { |
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349 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
| 2072 | 350 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", |
| 351 name, n, len); | |
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352 |
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353 log->error_log_time = now; |
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354 } |
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355 } |
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356 |
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357 |
| 2072 | 358 static ssize_t |
| 359 ngx_http_log_script_write(ngx_http_request_t *r, ngx_http_log_script_t *script, | |
| 360 u_char **name, u_char *buf, size_t len) | |
| 361 { | |
| 362 size_t root; | |
| 363 ssize_t n; | |
| 364 ngx_str_t log, path; | |
| 365 ngx_open_file_info_t of; | |
| 366 ngx_http_log_loc_conf_t *llcf; | |
| 367 ngx_http_core_loc_conf_t *clcf; | |
| 368 | |
| 369 if (r->err_status == NGX_HTTP_NOT_FOUND) { | |
| 370 | |
| 371 /* test root directory existance */ | |
| 372 | |
| 373 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { | |
| 374 /* simulate successfull logging */ | |
| 375 return len; | |
| 376 } | |
| 377 | |
| 378 path.data[root] = '\0'; | |
| 379 | |
| 380 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); | |
| 381 | |
| 382 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
| 383 | |
| 384 of.valid = clcf->open_file_cache_valid; | |
| 385 of.min_uses = clcf->open_file_cache_min_uses; | |
| 386 of.errors = clcf->open_file_cache_errors; | |
| 387 of.events = clcf->open_file_cache_events; | |
| 388 | |
| 389 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
| 390 != NGX_OK | |
| 391 || !of.is_dir) | |
| 392 { | |
| 393 /* no root directory: simulate successfull logging */ | |
| 394 return len; | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 if (ngx_http_script_run(r, &log, script->lengths->elts, 1, | |
| 399 script->values->elts) | |
| 400 == NULL) | |
| 401 { | |
| 402 /* simulate successfull logging */ | |
| 403 return len; | |
| 404 } | |
| 405 | |
| 406 log.data[log.len - 1] = '\0'; | |
| 407 *name = log.data; | |
| 408 | |
| 409 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 410 "http log \"%s\"", log.data); | |
| 411 | |
| 412 llcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); | |
| 413 | |
| 414 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
| 415 | |
| 416 of.log = 1; | |
| 417 of.valid = llcf->open_file_cache_valid; | |
| 418 of.min_uses = llcf->open_file_cache_min_uses; | |
| 419 | |
| 420 if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool) | |
| 421 != NGX_OK) | |
| 422 { | |
| 423 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
| 424 ngx_open_file_n " \"%s\" failed", log.data); | |
| 2077 | 425 /* simulate successfull logging */ |
| 426 return len; | |
| 2072 | 427 } |
| 428 | |
| 429 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 430 "http log #%d", of.fd); | |
| 431 | |
| 432 n = ngx_write_fd(of.fd, buf, len); | |
| 433 | |
| 434 return n; | |
| 435 } | |
| 436 | |
| 437 | |
| 497 | 438 static u_char * |
| 439 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, | |
| 440 ngx_http_log_op_t *op) | |
| 479 | 441 { |
| 442 size_t len; | |
| 443 uintptr_t data; | |
| 444 | |
| 445 len = op->len; | |
| 446 data = op->data; | |
| 447 | |
| 448 while (len--) { | |
| 449 *buf++ = (u_char) (data & 0xff); | |
| 450 data >>= 8; | |
| 451 } | |
| 452 | |
| 453 return buf; | |
| 454 } | |
| 455 | |
| 456 | |
| 497 | 457 static u_char * |
| 458 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, | |
| 459 ngx_http_log_op_t *op) | |
| 479 | 460 { |
| 461 return ngx_cpymem(buf, (u_char *) op->data, op->len); | |
| 462 } | |
| 463 | |
| 464 | |
| 497 | 465 static u_char * |
| 466 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, | |
| 467 ngx_http_log_op_t *op) | |
|
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468 { |
| 455 | 469 return ngx_sprintf(buf, "%ui", r->connection->number); |
|
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470 } |
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471 |
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472 |
| 497 | 473 static u_char * |
| 474 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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475 { |
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476 if (r->pipeline) { |
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477 *buf = 'p'; |
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478 } else { |
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479 *buf = '.'; |
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480 } |
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481 |
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482 return buf + 1; |
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483 } |
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484 |
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485 |
| 497 | 486 static u_char * |
| 487 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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488 { |
|
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489 return ngx_cpymem(buf, ngx_cached_http_log_time.data, |
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490 ngx_cached_http_log_time.len); |
|
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491 } |
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492 |
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493 |
| 497 | 494 static u_char * |
| 495 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
409
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496 { |
| 563 | 497 ngx_time_t *tp; |
|
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498 |
| 563 | 499 tp = ngx_timeofday(); |
|
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500 |
| 563 | 501 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); |
|
409
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502 } |
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503 |
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504 |
| 497 | 505 static u_char * |
| 506 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
| 507 ngx_http_log_op_t *op) | |
| 508 { | |
|
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509 ngx_time_t *tp; |
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510 ngx_msec_int_t ms; |
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511 |
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512 tp = ngx_timeofday(); |
| 497 | 513 |
| 1640 | 514 ms = (ngx_msec_int_t) |
| 515 ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); | |
|
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516 ms = (ms >= 0) ? ms : 0; |
| 497 | 517 |
|
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518 return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000); |
| 497 | 519 } |
| 520 | |
| 521 | |
| 522 static u_char * | |
| 523 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
|
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524 { |
| 455 | 525 return ngx_sprintf(buf, "%ui", |
| 526 r->err_status ? r->err_status : r->headers_out.status); | |
|
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527 } |
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528 |
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529 |
| 497 | 530 static u_char * |
| 573 | 531 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 532 ngx_http_log_op_t *op) | |
|
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533 { |
| 455 | 534 return ngx_sprintf(buf, "%O", r->connection->sent); |
|
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535 } |
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536 |
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537 |
| 1271 | 538 /* |
| 539 * although there is a real $body_bytes_sent variable, | |
| 540 * this log operation code function is more optimized for logging | |
| 541 */ | |
| 542 | |
| 497 | 543 static u_char * |
| 577 | 544 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, |
| 497 | 545 ngx_http_log_op_t *op) |
|
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546 { |
| 497 | 547 off_t length; |
| 548 | |
| 549 length = r->connection->sent - r->header_size; | |
| 550 | |
| 551 if (length > 0) { | |
| 552 return ngx_sprintf(buf, "%O", length); | |
| 553 } | |
| 554 | |
| 555 *buf = '0'; | |
| 556 | |
| 557 return buf + 1; | |
|
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558 } |
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559 |
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560 |
| 497 | 561 static u_char * |
| 562 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, | |
| 563 ngx_http_log_op_t *op) | |
| 475 | 564 { |
| 663 | 565 return ngx_sprintf(buf, "%O", r->request_length); |
| 475 | 566 } |
| 567 | |
| 568 | |
| 497 | 569 static ngx_int_t |
| 501 | 570 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, |
| 571 ngx_str_t *value) | |
| 572 { | |
| 509 | 573 ngx_int_t index; |
| 501 | 574 |
| 509 | 575 index = ngx_http_get_variable_index(cf, value); |
| 576 if (index == NGX_ERROR) { | |
| 501 | 577 return NGX_ERROR; |
| 578 } | |
| 579 | |
| 580 op->len = 0; | |
| 581 op->getlen = ngx_http_log_variable_getlen; | |
| 582 op->run = ngx_http_log_variable; | |
| 509 | 583 op->data = index; |
| 501 | 584 |
| 585 return NGX_OK; | |
| 586 } | |
| 587 | |
| 588 | |
| 589 static size_t | |
| 590 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) | |
| 591 { | |
|
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592 uintptr_t len; |
| 501 | 593 ngx_http_variable_value_t *value; |
| 594 | |
| 595 value = ngx_http_get_indexed_variable(r, data); | |
| 596 | |
| 573 | 597 if (value == NULL || value->not_found) { |
| 501 | 598 return 1; |
| 599 } | |
| 600 | |
|
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601 len = ngx_http_log_escape(NULL, value->data, value->len); |
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602 |
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603 value->escape = len ? 1 : 0; |
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604 |
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605 return value->len + len * 3; |
| 501 | 606 } |
| 607 | |
| 608 | |
| 609 static u_char * | |
| 610 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
| 611 { | |
| 612 ngx_http_variable_value_t *value; | |
| 613 | |
| 614 value = ngx_http_get_indexed_variable(r, op->data); | |
| 615 | |
| 573 | 616 if (value == NULL || value->not_found) { |
| 501 | 617 *buf = '-'; |
| 618 return buf + 1; | |
| 619 } | |
| 620 | |
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621 if (value->escape == 0) { |
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622 return ngx_cpymem(buf, value->data, value->len); |
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623 |
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624 } else { |
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625 return (u_char *) ngx_http_log_escape(buf, value->data, value->len); |
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626 } |
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627 } |
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628 |
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629 |
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630 static uintptr_t |
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631 ngx_http_log_escape(u_char *dst, u_char *src, size_t size) |
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632 { |
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633 ngx_uint_t i, n; |
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634 static u_char hex[] = "0123456789ABCDEF"; |
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635 |
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636 static uint32_t escape[] = { |
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637 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
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638 |
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639 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
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640 0x00000004, /* 0000 0000 0000 0000 0000 0000 0000 0100 */ |
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641 |
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642 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
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643 0x10000000, /* 0001 0000 0000 0000 0000 0000 0000 0000 */ |
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diff
changeset
|
644 |
|
66dc85397a90
escape 0x00-0x1f, ", and \ in access log variables
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diff
changeset
|
645 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
|
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|
646 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
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|
647 |
|
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|
648 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
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diff
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|
649 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
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|
650 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
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|
651 0x00000000, /* 0000 0000 0000 0000 0000 0000 0000 0000 */ |
|
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|
652 }; |
|
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|
653 |
|
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diff
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|
654 |
|
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|
655 if (dst == NULL) { |
|
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diff
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|
656 |
|
66dc85397a90
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|
657 /* find the number of the characters to be escaped */ |
|
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|
658 |
|
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diff
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|
659 n = 0; |
|
66dc85397a90
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diff
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|
660 |
|
66dc85397a90
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diff
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|
661 for (i = 0; i < size; i++) { |
|
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|
662 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
|
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|
663 n++; |
|
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|
664 } |
|
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|
665 src++; |
|
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|
666 } |
|
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|
667 |
|
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|
668 return (uintptr_t) n; |
|
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|
669 } |
|
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|
670 |
|
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|
671 for (i = 0; i < size; i++) { |
|
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672 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
|
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|
673 *dst++ = '\\'; |
|
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|
674 *dst++ = 'x'; |
|
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|
675 *dst++ = hex[*src >> 4]; |
|
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|
676 *dst++ = hex[*src & 0xf]; |
|
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|
677 src++; |
|
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|
678 |
|
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|
679 } else { |
|
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|
680 *dst++ = *src++; |
|
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|
681 } |
|
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|
682 } |
|
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|
683 |
|
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diff
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|
684 return (uintptr_t) dst; |
| 501 | 685 } |
| 686 | |
| 687 | |
| 497 | 688 static void * |
| 689 ngx_http_log_create_main_conf(ngx_conf_t *cf) | |
|
176
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|
690 { |
|
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|
691 ngx_http_log_main_conf_t *conf; |
|
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|
692 |
| 573 | 693 ngx_http_log_fmt_t *fmt; |
|
176
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|
694 |
| 501 | 695 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); |
| 696 if (conf == NULL) { | |
|
176
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|
697 return NGX_CONF_ERROR; |
|
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|
698 } |
|
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|
699 |
| 497 | 700 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) |
| 573 | 701 != NGX_OK) |
| 497 | 702 { |
| 703 return NGX_CONF_ERROR; | |
| 704 } | |
|
176
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|
705 |
| 573 | 706 fmt = ngx_array_push(&conf->formats); |
| 707 if (fmt == NULL) { | |
|
176
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|
708 return NGX_CONF_ERROR; |
|
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|
709 } |
|
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|
710 |
| 573 | 711 fmt->name.len = sizeof("combined") - 1; |
| 712 fmt->name.data = (u_char *) "combined"; | |
|
176
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|
713 |
| 573 | 714 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 715 if (fmt->ops == NULL) { | |
| 569 | 716 return NGX_CONF_ERROR; |
|
176
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|
717 } |
|
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diff
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|
718 |
|
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diff
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|
719 return conf; |
|
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|
720 } |
|
c0552e5ab567
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diff
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|
721 |
|
c0552e5ab567
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|
722 |
| 497 | 723 static void * |
| 724 ngx_http_log_create_loc_conf(ngx_conf_t *cf) | |
|
176
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|
725 { |
|
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|
726 ngx_http_log_loc_conf_t *conf; |
|
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|
727 |
| 501 | 728 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); |
| 729 if (conf == NULL) { | |
|
427
0d08eabe5c7b
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parents:
415
diff
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|
730 return NGX_CONF_ERROR; |
|
0d08eabe5c7b
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415
diff
changeset
|
731 } |
|
99
a059e1aa65d4
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69
diff
changeset
|
732 |
| 2072 | 733 conf->open_file_cache = NGX_CONF_UNSET_PTR; |
| 734 | |
|
99
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diff
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|
735 return conf; |
|
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diff
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|
736 } |
|
a059e1aa65d4
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parents:
69
diff
changeset
|
737 |
|
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69
diff
changeset
|
738 |
| 497 | 739 static char * |
| 740 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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|
741 { |
|
176
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|
742 ngx_http_log_loc_conf_t *prev = parent; |
|
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diff
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|
743 ngx_http_log_loc_conf_t *conf = child; |
|
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diff
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|
744 |
|
c0552e5ab567
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diff
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|
745 ngx_http_log_t *log; |
|
c0552e5ab567
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diff
changeset
|
746 ngx_http_log_fmt_t *fmt; |
|
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diff
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|
747 ngx_http_log_main_conf_t *lmcf; |
|
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diff
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|
748 |
| 2072 | 749 if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { |
| 750 | |
| 751 conf->open_file_cache = prev->open_file_cache; | |
| 752 conf->open_file_cache_valid = prev->open_file_cache_valid; | |
| 753 conf->open_file_cache_min_uses = prev->open_file_cache_min_uses; | |
| 754 | |
| 755 if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { | |
| 756 conf->open_file_cache = NULL; | |
| 757 } | |
| 758 } | |
| 759 | |
| 1074 | 760 if (conf->logs || conf->off) { |
| 761 return NGX_CONF_OK; | |
| 762 } | |
|
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
763 |
|
2078
9acbc5e7bcbd
fix variable access_log merging
Igor Sysoev <igor@sysoev.ru>
parents:
2077
diff
changeset
|
764 conf->logs = prev->logs; |
|
9acbc5e7bcbd
fix variable access_log merging
Igor Sysoev <igor@sysoev.ru>
parents:
2077
diff
changeset
|
765 conf->off = prev->off; |
|
176
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diff
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|
766 |
| 1074 | 767 if (conf->logs || conf->off) { |
| 768 return NGX_CONF_OK; | |
| 769 } | |
|
99
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Igor Sysoev <igor@sysoev.ru>
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69
diff
changeset
|
770 |
| 1074 | 771 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
| 772 if (conf->logs == NULL) { | |
| 773 return NGX_CONF_ERROR; | |
| 774 } | |
|
176
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diff
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|
775 |
| 1074 | 776 log = ngx_array_push(conf->logs); |
| 777 if (log == NULL) { | |
| 778 return NGX_CONF_ERROR; | |
| 779 } | |
|
176
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|
780 |
| 1074 | 781 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); |
| 782 if (log->file == NULL) { | |
| 783 return NGX_CONF_ERROR; | |
| 784 } | |
|
176
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|
785 |
| 1074 | 786 log->disk_full_time = 0; |
| 787 log->error_log_time = 0; | |
|
427
0d08eabe5c7b
nginx-0.0.10-2004-09-15-20:00:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
788 |
| 1074 | 789 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 790 fmt = lmcf->formats.elts; | |
| 791 | |
| 792 /* the default "combined" format */ | |
| 793 log->ops = fmt[0].ops; | |
| 794 lmcf->combined_used = 1; | |
|
99
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Igor Sysoev <igor@sysoev.ru>
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69
diff
changeset
|
795 |
|
a059e1aa65d4
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69
diff
changeset
|
796 return NGX_CONF_OK; |
|
a059e1aa65d4
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Igor Sysoev <igor@sysoev.ru>
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69
diff
changeset
|
797 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
69
diff
changeset
|
798 |
|
a059e1aa65d4
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799 |
| 497 | 800 static char * |
| 801 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
99
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|
802 { |
|
176
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|
803 ngx_http_log_loc_conf_t *llcf = conf; |
|
99
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|
804 |
| 2072 | 805 ssize_t buf; |
| 806 ngx_uint_t i, n; | |
| 807 ngx_str_t *value, name; | |
| 808 ngx_http_log_t *log; | |
| 809 ngx_http_log_fmt_t *fmt; | |
| 810 ngx_http_log_main_conf_t *lmcf; | |
| 811 ngx_http_script_compile_t sc; | |
|
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|
812 |
|
427
0d08eabe5c7b
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|
813 value = cf->args->elts; |
|
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|
814 |
|
0d08eabe5c7b
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|
815 if (ngx_strcmp(value[1].data, "off") == 0) { |
|
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816 llcf->off = 1; |
|
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817 return NGX_CONF_OK; |
|
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|
818 } |
|
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819 |
|
176
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|
820 if (llcf->logs == NULL) { |
|
427
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|
821 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
|
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822 if (llcf->logs == NULL) { |
|
176
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823 return NGX_CONF_ERROR; |
|
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824 } |
|
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825 } |
|
99
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|
826 |
|
393
5659d773cfa8
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|
827 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
|
99
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828 |
| 501 | 829 log = ngx_array_push(llcf->logs); |
| 830 if (log == NULL) { | |
|
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831 return NGX_CONF_ERROR; |
|
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832 } |
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|
833 |
| 2072 | 834 ngx_memzero(log, sizeof(ngx_http_log_t)); |
| 835 | |
| 836 n = ngx_http_script_variables_count(&value[1]); | |
| 837 | |
| 838 if (n == 0) { | |
| 839 log->file = ngx_conf_open_file(cf->cycle, &value[1]); | |
| 840 if (log->file == NULL) { | |
| 841 return NGX_CONF_ERROR; | |
| 842 } | |
| 843 | |
| 844 } else { | |
| 845 if (ngx_conf_full_name(cf->cycle, &value[1], 0) == NGX_ERROR) { | |
| 846 return NGX_CONF_ERROR; | |
| 847 } | |
| 848 | |
| 849 log->script = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_script_t)); | |
| 850 if (log->script == NULL) { | |
| 851 return NGX_CONF_ERROR; | |
| 852 } | |
| 853 | |
| 854 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 855 | |
| 856 sc.cf = cf; | |
| 857 sc.source = &value[1]; | |
| 858 sc.lengths = &log->script->lengths; | |
| 859 sc.values = &log->script->values; | |
| 860 sc.variables = n; | |
| 861 sc.complete_lengths = 1; | |
| 862 sc.complete_values = 1; | |
| 863 | |
| 864 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 865 return NGX_CONF_ERROR; | |
| 866 } | |
|
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|
867 } |
|
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868 |
| 571 | 869 if (cf->args->nelts >= 3) { |
|
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|
870 name = value[2]; |
| 581 | 871 |
| 872 if (ngx_strcmp(name.data, "combined") == 0) { | |
| 873 lmcf->combined_used = 1; | |
| 874 } | |
| 875 | |
|
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876 } else { |
|
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877 name.len = sizeof("combined") - 1; |
|
292
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878 name.data = (u_char *) "combined"; |
| 573 | 879 lmcf->combined_used = 1; |
|
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880 } |
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|
881 |
|
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882 fmt = lmcf->formats.elts; |
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883 for (i = 0; i < lmcf->formats.nelts; i++) { |
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884 if (fmt[i].name.len == name.len |
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885 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) |
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886 { |
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887 log->ops = fmt[i].ops; |
| 571 | 888 goto buffer; |
|
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889 } |
|
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890 } |
|
100
7ebc8b7fb816
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|
891 |
| 487 | 892 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 893 "unknown log format \"%V\"", &name); | |
| 571 | 894 return NGX_CONF_ERROR; |
| 487 | 895 |
| 571 | 896 buffer: |
| 897 | |
| 898 if (cf->args->nelts == 4) { | |
| 899 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) { | |
| 900 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 901 "invalid parameter \"%V\"", &value[3]); | |
| 902 return NGX_CONF_ERROR; | |
| 903 } | |
| 904 | |
| 2072 | 905 if (log->script) { |
| 906 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 907 "buffered logs can not have variables in name"); | |
| 908 return NGX_CONF_ERROR; | |
| 909 } | |
| 910 | |
| 571 | 911 name.len = value[3].len - 7; |
| 912 name.data = value[3].data + 7; | |
| 913 | |
| 914 buf = ngx_parse_size(&name); | |
| 915 | |
| 916 if (buf == NGX_ERROR) { | |
| 917 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 918 "invalid parameter \"%V\"", &value[3]); | |
| 919 return NGX_CONF_ERROR; | |
| 920 } | |
| 921 | |
| 922 if (log->file->buffer && log->file->last - log->file->pos != buf) { | |
| 923 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 924 "access_log \"%V\" already defined " | |
| 925 "with different buffer size", &value[1]); | |
| 926 return NGX_CONF_ERROR; | |
| 927 } | |
| 928 | |
| 929 log->file->buffer = ngx_palloc(cf->pool, buf); | |
| 930 if (log->file->buffer == NULL) { | |
| 931 return NGX_CONF_ERROR; | |
| 932 } | |
| 933 | |
| 934 log->file->pos = log->file->buffer; | |
| 935 log->file->last = log->file->buffer + buf; | |
| 936 } | |
| 937 | |
| 938 return NGX_CONF_OK; | |
|
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939 } |
|
176
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|
940 |
|
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|
941 |
| 497 | 942 static char * |
| 943 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
176
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|
944 { |
|
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945 ngx_http_log_main_conf_t *lmcf = conf; |
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|
946 |
| 573 | 947 ngx_str_t *value; |
| 948 ngx_uint_t i; | |
| 949 ngx_http_log_fmt_t *fmt; | |
|
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950 |
|
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951 value = cf->args->elts; |
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952 |
|
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|
953 fmt = lmcf->formats.elts; |
| 573 | 954 for (i = 0; i < lmcf->formats.nelts; i++) { |
| 955 if (fmt[i].name.len == value[1].len | |
| 956 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) | |
|
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|
957 { |
| 2036 | 958 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 959 "duplicate \"log_format\" name \"%V\"", | |
| 960 &value[1]); | |
| 961 return NGX_CONF_ERROR; | |
|
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|
962 } |
|
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963 } |
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|
964 |
| 501 | 965 fmt = ngx_array_push(&lmcf->formats); |
| 966 if (fmt == NULL) { | |
|
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967 return NGX_CONF_ERROR; |
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968 } |
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969 |
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970 fmt->name = value[1]; |
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971 |
| 573 | 972 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
| 501 | 973 if (fmt->ops == NULL) { |
|
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974 return NGX_CONF_ERROR; |
|
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975 } |
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|
976 |
| 573 | 977 return ngx_http_log_compile_format(cf, fmt->ops, cf->args, 2); |
| 978 } | |
| 979 | |
|
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|
980 |
| 573 | 981 static char * |
| 982 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops, | |
| 983 ngx_array_t *args, ngx_uint_t s) | |
| 984 { | |
| 880 | 985 u_char *data, *p, ch; |
| 986 size_t i, len; | |
| 987 ngx_str_t *value, var; | |
| 988 ngx_uint_t bracket; | |
| 989 ngx_http_log_op_t *op; | |
| 990 ngx_http_log_var_t *v; | |
| 573 | 991 |
| 992 value = args->elts; | |
| 993 | |
| 994 for ( /* void */ ; s < args->nelts; s++) { | |
|
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|
995 |
| 880 | 996 for (i = 0; i < value[s].len; i++) { |
| 997 if (value[s].data[i] != '%') { | |
| 998 continue; | |
| 999 } | |
| 1000 | |
| 1001 ch = value[s].data[i + 1]; | |
| 1002 | |
| 1003 if ((ch >= 'A' && ch <= 'Z') | |
| 1004 || (ch >= 'a' && ch <= 'z') | |
| 1005 || ch == '{') | |
| 1006 { | |
| 1007 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1008 "the parameters in the \"%%name\" form are not supported, " | |
| 1009 "use the \"$variable\" instead"); | |
| 1010 | |
| 1011 return NGX_CONF_ERROR; | |
| 1012 } | |
| 1013 } | |
| 1014 | |
|
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1015 i = 0; |
|
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|
1016 |
|
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1017 while (i < value[s].len) { |
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1018 |
| 573 | 1019 op = ngx_array_push(ops); |
| 501 | 1020 if (op == NULL) { |
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1021 return NGX_CONF_ERROR; |
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1022 } |
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1023 |
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1024 data = &value[s].data[i]; |
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1025 |
| 880 | 1026 if (value[s].data[i] == '$') { |
| 569 | 1027 |
| 1028 if (++i == value[s].len) { | |
| 1029 goto invalid; | |
| 1030 } | |
| 1031 | |
| 1032 if (value[s].data[i] == '{') { | |
| 1033 bracket = 1; | |
| 1034 | |
| 1035 if (++i == value[s].len) { | |
| 1036 goto invalid; | |
| 1037 } | |
| 1038 | |
| 1039 var.data = &value[s].data[i]; | |
| 1040 | |
| 1041 } else { | |
| 1042 bracket = 0; | |
| 1043 var.data = &value[s].data[i]; | |
| 1044 } | |
| 1045 | |
| 1046 for (var.len = 0; i < value[s].len; i++, var.len++) { | |
| 1047 ch = value[s].data[i]; | |
| 1048 | |
| 1049 if (ch == '}' && bracket) { | |
| 1050 i++; | |
| 1051 bracket = 0; | |
| 1052 break; | |
| 1053 } | |
| 1054 | |
| 1055 if ((ch >= 'A' && ch <= 'Z') | |
| 1056 || (ch >= 'a' && ch <= 'z') | |
| 1057 || (ch >= '0' && ch <= '9') | |
| 1058 || ch == '_') | |
| 1059 { | |
| 1060 continue; | |
| 1061 } | |
| 1062 | |
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1063 break; |
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1064 } |
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1065 |
| 569 | 1066 if (bracket) { |
| 1067 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1068 "the closing bracket in \"%V\" " | |
| 1069 "variable is missing", &var); | |
| 1070 return NGX_CONF_ERROR; | |
| 1071 } | |
| 1072 | |
| 1073 if (var.len == 0) { | |
| 1074 goto invalid; | |
| 1075 } | |
| 1076 | |
| 577 | 1077 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) { |
| 1078 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 1079 "use \"$body_bytes_sent\" instead of " | |
| 1080 "\"$apache_bytes_sent\""); | |
| 1081 } | |
| 1082 | |
| 573 | 1083 for (v = ngx_http_log_vars; v->name.len; v++) { |
| 1084 | |
| 1085 if (v->name.len == var.len | |
| 1086 && ngx_strncmp(v->name.data, var.data, var.len) == 0) | |
| 1087 { | |
| 1088 op->len = v->len; | |
| 1089 op->getlen = NULL; | |
| 1090 op->run = v->run; | |
| 1091 op->data = 0; | |
| 1092 | |
| 1093 goto found; | |
| 1094 } | |
| 1095 } | |
| 1096 | |
| 569 | 1097 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) { |
| 1098 return NGX_CONF_ERROR; | |
| 1099 } | |
| 1100 | |
| 573 | 1101 found: |
| 1102 | |
| 1103 continue; | |
| 1104 } | |
| 1105 | |
| 1106 i++; | |
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1107 |
| 880 | 1108 while (i < value[s].len && value[s].data[i] != '$') { |
| 573 | 1109 i++; |
| 1110 } | |
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1111 |
| 573 | 1112 len = &value[s].data[i] - data; |
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1113 |
| 573 | 1114 if (len) { |
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1115 |
| 573 | 1116 op->len = len; |
| 1117 op->getlen = NULL; | |
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1118 |
| 573 | 1119 if (len <= sizeof(uintptr_t)) { |
| 1120 op->run = ngx_http_log_copy_short; | |
| 1121 op->data = 0; | |
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1122 |
| 573 | 1123 while (len--) { |
| 1124 op->data <<= 8; | |
| 1125 op->data |= data[len]; | |
| 1126 } | |
| 1127 | |
| 1128 } else { | |
| 1129 op->run = ngx_http_log_copy_long; | |
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1130 |
| 2049 | 1131 p = ngx_pnalloc(cf->pool, len); |
| 573 | 1132 if (p == NULL) { |
| 1133 return NGX_CONF_ERROR; | |
| 1134 } | |
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1135 |
| 573 | 1136 ngx_memcpy(p, data, len); |
| 1137 op->data = (uintptr_t) p; | |
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1138 } |
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1139 } |
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1140 } |
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1141 } |
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1142 |
| 569 | 1143 return NGX_CONF_OK; |
| 1144 | |
| 1145 invalid: | |
| 1146 | |
| 1147 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); | |
| 1148 | |
| 1149 return NGX_CONF_ERROR; | |
| 1150 } | |
| 1151 | |
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1152 |
| 2072 | 1153 static char * |
| 1154 ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1155 { | |
| 1156 ngx_http_log_loc_conf_t *llcf = conf; | |
| 1157 | |
| 1158 time_t inactive, valid; | |
| 1159 ngx_str_t *value, s; | |
| 1160 ngx_int_t max, min_uses; | |
| 1161 ngx_uint_t i; | |
| 1162 | |
| 1163 if (llcf->open_file_cache != NGX_CONF_UNSET_PTR) { | |
| 1164 return "is duplicate"; | |
| 1165 } | |
| 1166 | |
| 1167 value = cf->args->elts; | |
| 1168 | |
| 1169 max = 0; | |
| 1170 inactive = 10; | |
| 1171 valid = 60; | |
| 1172 min_uses = 1; | |
| 1173 | |
| 1174 for (i = 1; i < cf->args->nelts; i++) { | |
| 1175 | |
| 1176 if (ngx_strncmp(value[i].data, "max=", 4) == 0) { | |
| 1177 | |
| 1178 max = ngx_atoi(value[i].data + 4, value[i].len - 4); | |
| 1179 if (max == NGX_ERROR) { | |
| 1180 goto failed; | |
| 1181 } | |
| 1182 | |
| 1183 continue; | |
| 1184 } | |
| 1185 | |
| 1186 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) { | |
| 1187 | |
| 1188 s.len = value[i].len - 9; | |
| 1189 s.data = value[i].data + 9; | |
| 1190 | |
| 1191 inactive = ngx_parse_time(&s, 1); | |
| 1192 if (inactive < 0) { | |
| 1193 goto failed; | |
| 1194 } | |
| 1195 | |
| 1196 continue; | |
| 1197 } | |
| 1198 | |
| 1199 if (ngx_strncmp(value[i].data, "min_uses=", 9) == 0) { | |
| 1200 | |
| 1201 min_uses = ngx_atoi(value[i].data + 9, value[i].len - 9); | |
| 1202 if (min_uses == NGX_ERROR) { | |
| 1203 goto failed; | |
| 1204 } | |
| 1205 | |
| 1206 continue; | |
| 1207 } | |
| 1208 | |
| 1209 if (ngx_strncmp(value[i].data, "valid=", 6) == 0) { | |
| 1210 | |
| 1211 s.len = value[i].len - 6; | |
| 1212 s.data = value[i].data + 6; | |
| 1213 | |
| 1214 valid = ngx_parse_time(&s, 1); | |
| 1215 if (valid < 0) { | |
| 1216 goto failed; | |
| 1217 } | |
| 1218 | |
| 1219 continue; | |
| 1220 } | |
| 1221 | |
| 1222 if (ngx_strcmp(value[i].data, "off") == 0) { | |
| 1223 | |
| 1224 llcf->open_file_cache = NULL; | |
| 1225 | |
| 1226 continue; | |
| 1227 } | |
| 1228 | |
| 1229 failed: | |
| 1230 | |
| 1231 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1232 "invalid \"open_log_file_cache\" parameter \"%V\"", | |
| 1233 &value[i]); | |
| 1234 return NGX_CONF_ERROR; | |
| 1235 } | |
| 1236 | |
| 1237 if (llcf->open_file_cache == NULL) { | |
| 1238 return NGX_CONF_OK; | |
| 1239 } | |
| 1240 | |
| 1241 if (max == 0) { | |
| 1242 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1243 "\"open_log_file_cache\" must have \"max\" parameter"); | |
| 1244 return NGX_CONF_ERROR; | |
| 1245 } | |
| 1246 | |
| 1247 llcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive); | |
| 1248 | |
| 1249 if (llcf->open_file_cache) { | |
| 1250 | |
| 1251 llcf->open_file_cache_valid = valid; | |
| 1252 llcf->open_file_cache_min_uses = min_uses; | |
| 1253 | |
| 1254 return NGX_CONF_OK; | |
| 1255 } | |
| 1256 | |
| 1257 return NGX_CONF_ERROR; | |
| 1258 } | |
| 1259 | |
| 1260 | |
| 569 | 1261 static ngx_int_t |
| 573 | 1262 ngx_http_log_init(ngx_conf_t *cf) |
| 569 | 1263 { |
| 573 | 1264 ngx_str_t *value; |
| 1265 ngx_array_t a; | |
| 581 | 1266 ngx_http_handler_pt *h; |
| 573 | 1267 ngx_http_log_fmt_t *fmt; |
| 1268 ngx_http_log_main_conf_t *lmcf; | |
| 569 | 1269 ngx_http_core_main_conf_t *cmcf; |
| 1270 | |
| 573 | 1271 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
| 1272 | |
| 1273 if (lmcf->combined_used) { | |
| 1274 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { | |
| 1275 return NGX_ERROR; | |
| 1276 } | |
| 1277 | |
| 1278 value = ngx_array_push(&a); | |
| 1279 if (value == NULL) { | |
| 1280 return NGX_ERROR; | |
| 1281 } | |
| 1282 | |
| 1283 *value = ngx_http_combined_fmt; | |
| 1284 fmt = lmcf->formats.elts; | |
| 1285 | |
| 1286 if (ngx_http_log_compile_format(cf, fmt->ops, &a, 0) | |
| 1287 != NGX_CONF_OK) | |
| 1288 { | |
| 1289 return NGX_ERROR; | |
| 1290 } | |
| 1291 } | |
| 1292 | |
| 1293 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
| 569 | 1294 |
| 581 | 1295 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); |
| 1296 if (h == NULL) { | |
| 1297 return NGX_ERROR; | |
| 1298 } | |
| 1299 | |
| 1300 *h = ngx_http_log_handler; | |
| 569 | 1301 |
| 1302 return NGX_OK; | |
|
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1303 } |