diff options
author | Igor Sysoev <igor@sysoev.ru> | 2008-06-30 16:27:24 +0400 |
---|---|---|
committer | Igor Sysoev <igor@sysoev.ru> | 2008-06-30 16:27:24 +0400 |
commit | b882154636c92aede2b682e4ae10c324d8d5cf35 (patch) | |
tree | 96584e26e066e6bcc32953cf76b8e6bda3f188a3 | |
parent | c3584fec61fff2275bae50f336908f5dbec8264e (diff) |
variables in access_log
-rw-r--r-- | src/core/ngx_open_file_cache.c | 9 | ||||
-rw-r--r-- | src/core/ngx_open_file_cache.h | 1 | ||||
-rw-r--r-- | src/http/modules/ngx_http_log_module.c | 306 |
3 files changed, 294 insertions, 22 deletions
diff --git a/src/core/ngx_open_file_cache.c b/src/core/ngx_open_file_cache.c index bf8f0de12..704d0ab79 100644 --- a/src/core/ngx_open_file_cache.c +++ b/src/core/ngx_open_file_cache.c @@ -460,7 +460,14 @@ ngx_open_and_stat_file(u_char *name, ngx_open_file_info_t *of, ngx_log_t *log) } } - fd = ngx_open_file(name, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); + if (!of->log) { + fd = ngx_open_file(name, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0); + + } else { + fd = ngx_open_file(name, NGX_FILE_RDWR, + NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND, + NGX_FILE_DEFAULT_ACCESS); + } if (fd == NGX_INVALID_FILE) { goto failed; diff --git a/src/core/ngx_open_file_cache.h b/src/core/ngx_open_file_cache.h index dd294e77a..4d8393b5d 100644 --- a/src/core/ngx_open_file_cache.h +++ b/src/core/ngx_open_file_cache.h @@ -24,6 +24,7 @@ typedef struct { ngx_uint_t min_uses; unsigned test_dir:1; + unsigned log:1; unsigned errors:1; unsigned events:1; diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c index 47358ed54..b2a23dd70 100644 --- a/src/http/modules/ngx_http_log_module.c +++ b/src/http/modules/ngx_http_log_module.c @@ -40,7 +40,14 @@ typedef struct { typedef struct { + ngx_array_t *lengths; + ngx_array_t *values; +} ngx_http_log_script_t; + + +typedef struct { ngx_open_file_t *file; + ngx_http_log_script_t *script; time_t disk_full_time; time_t error_log_time; ngx_array_t *ops; /* array of ngx_http_log_op_t */ @@ -49,6 +56,11 @@ typedef struct { typedef struct { ngx_array_t *logs; /* array of ngx_http_log_t */ + + ngx_open_file_cache_t *open_file_cache; + time_t open_file_cache_valid; + ngx_uint_t open_file_cache_min_uses; + ngx_uint_t off; /* unsigned off:1 */ } ngx_http_log_loc_conf_t; @@ -62,6 +74,8 @@ typedef struct { static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, size_t len); +static ssize_t ngx_http_log_script_write(ngx_http_request_t *r, + ngx_http_log_script_t *script, u_char **name, u_char *buf, size_t len); static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op); @@ -101,6 +115,8 @@ static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static char *ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s); +static char *ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, + void *conf); static ngx_int_t ngx_http_log_init(ngx_conf_t *cf); @@ -121,6 +137,13 @@ static ngx_command_t ngx_http_log_commands[] = { 0, NULL }, + { ngx_string("open_log_file_cache"), + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, + ngx_http_log_open_file_cache, + NGX_HTTP_LOC_CONF_OFFSET, + 0, + NULL }, + ngx_null_command }; @@ -235,7 +258,7 @@ ngx_http_log_handler(ngx_http_request_t *r) file = log[l].file; - if (file->buffer) { + if (file && file->buffer) { if (len > (size_t) (file->last - file->pos)) { @@ -285,11 +308,19 @@ static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, size_t len) { - time_t now; - ssize_t n; - ngx_err_t err; + u_char *name; + time_t now; + ssize_t n; + ngx_err_t err; - n = ngx_write_fd(log->file->fd, buf, len); + if (log->script == NULL) { + name = log->file->name.data; + n = ngx_write_fd(log->file->fd, buf, len); + + } else { + name = NULL; + n = ngx_http_log_script_write(r, log->script, &name, buf, len); + } if (n == (ssize_t) len) { return; @@ -306,8 +337,7 @@ ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, if (now - log->error_log_time > 59) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, - ngx_write_fd_n " to \"%V\" failed", - &log->file->name); + ngx_write_fd_n " to \"%s\" failed", name); log->error_log_time = now; } @@ -317,14 +347,93 @@ ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, if (now - log->error_log_time > 59) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - ngx_write_fd_n " to \"%V\" was incomplete: %z of %uz", - &log->file->name, n, len); + ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", + name, n, len); log->error_log_time = now; } } +static ssize_t +ngx_http_log_script_write(ngx_http_request_t *r, ngx_http_log_script_t *script, + u_char **name, u_char *buf, size_t len) +{ + size_t root; + ssize_t n; + ngx_str_t log, path; + ngx_open_file_info_t of; + ngx_http_log_loc_conf_t *llcf; + ngx_http_core_loc_conf_t *clcf; + + if (r->err_status == NGX_HTTP_NOT_FOUND) { + + /* test root directory existance */ + + if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { + /* simulate successfull logging */ + return len; + } + + path.data[root] = '\0'; + + clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); + + ngx_memzero(&of, sizeof(ngx_open_file_info_t)); + + of.valid = clcf->open_file_cache_valid; + of.min_uses = clcf->open_file_cache_min_uses; + of.errors = clcf->open_file_cache_errors; + of.events = clcf->open_file_cache_events; + + if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) + != NGX_OK + || !of.is_dir) + { + /* no root directory: simulate successfull logging */ + return len; + } + } + + if (ngx_http_script_run(r, &log, script->lengths->elts, 1, + script->values->elts) + == NULL) + { + /* simulate successfull logging */ + return len; + } + + log.data[log.len - 1] = '\0'; + *name = log.data; + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http log \"%s\"", log.data); + + llcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); + + ngx_memzero(&of, sizeof(ngx_open_file_info_t)); + + of.log = 1; + of.valid = llcf->open_file_cache_valid; + of.min_uses = llcf->open_file_cache_min_uses; + + if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool) + != NGX_OK) + { + ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, + ngx_open_file_n " \"%s\" failed", log.data); + return -1; + } + + ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, + "http log #%d", of.fd); + + n = ngx_write_fd(of.fd, buf, len); + + return n; +} + + static u_char * ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) @@ -620,6 +729,8 @@ ngx_http_log_create_loc_conf(ngx_conf_t *cf) return NGX_CONF_ERROR; } + conf->open_file_cache = NGX_CONF_UNSET_PTR; + return conf; } @@ -634,6 +745,17 @@ ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) ngx_http_log_fmt_t *fmt; ngx_http_log_main_conf_t *lmcf; + if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { + + conf->open_file_cache = prev->open_file_cache; + conf->open_file_cache_valid = prev->open_file_cache_valid; + conf->open_file_cache_min_uses = prev->open_file_cache_min_uses; + + if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { + conf->open_file_cache = NULL; + } + } + if (conf->logs || conf->off) { return NGX_CONF_OK; } @@ -678,12 +800,13 @@ ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { ngx_http_log_loc_conf_t *llcf = conf; - ssize_t buf; - ngx_uint_t i; - ngx_str_t *value, name; - ngx_http_log_t *log; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; + ssize_t buf; + ngx_uint_t i, n; + ngx_str_t *value, name; + ngx_http_log_t *log; + ngx_http_log_fmt_t *fmt; + ngx_http_log_main_conf_t *lmcf; + ngx_http_script_compile_t sc; value = cf->args->elts; @@ -706,13 +829,40 @@ ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) return NGX_CONF_ERROR; } - log->file = ngx_conf_open_file(cf->cycle, &value[1]); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } + ngx_memzero(log, sizeof(ngx_http_log_t)); - log->disk_full_time = 0; - log->error_log_time = 0; + n = ngx_http_script_variables_count(&value[1]); + + if (n == 0) { + log->file = ngx_conf_open_file(cf->cycle, &value[1]); + if (log->file == NULL) { + return NGX_CONF_ERROR; + } + + } else { + if (ngx_conf_full_name(cf->cycle, &value[1], 0) == NGX_ERROR) { + return NGX_CONF_ERROR; + } + + log->script = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_script_t)); + if (log->script == NULL) { + return NGX_CONF_ERROR; + } + + ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); + + sc.cf = cf; + sc.source = &value[1]; + sc.lengths = &log->script->lengths; + sc.values = &log->script->values; + sc.variables = n; + sc.complete_lengths = 1; + sc.complete_values = 1; + + if (ngx_http_script_compile(&sc) != NGX_OK) { + return NGX_CONF_ERROR; + } + } if (cf->args->nelts >= 3) { name = value[2]; @@ -750,6 +900,12 @@ buffer: return NGX_CONF_ERROR; } + if (log->script) { + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, + "buffered logs can not have variables in name"); + return NGX_CONF_ERROR; + } + name.len = value[3].len - 7; name.data = value[3].data + 7; @@ -992,6 +1148,114 @@ invalid: } +static char * +ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) +{ + ngx_http_log_loc_conf_t *llcf = conf; + + time_t inactive, valid; + ngx_str_t *value, s; + ngx_int_t max, min_uses; + ngx_uint_t i; + + if (llcf->open_file_cache != NGX_CONF_UNSET_PTR) { + return "is duplicate"; + } + + value = cf->args->elts; + + max = 0; + inactive = 10; + valid = 60; + min_uses = 1; + + for (i = 1; i < cf->args->nelts; i++) { + + if (ngx_strncmp(value[i].data, "max=", 4) == 0) { + + max = ngx_atoi(value[i].data + 4, value[i].len - 4); + if (max == NGX_ERROR) { + goto failed; + } + + continue; + } + + if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) { + + s.len = value[i].len - 9; + s.data = value[i].data + 9; + + inactive = ngx_parse_time(&s, 1); + if (inactive < 0) { + goto failed; + } + + continue; + } + + if (ngx_strncmp(value[i].data, "min_uses=", 9) == 0) { + + min_uses = ngx_atoi(value[i].data + 9, value[i].len - 9); + if (min_uses == NGX_ERROR) { + goto failed; + } + + continue; + } + + if (ngx_strncmp(value[i].data, "valid=", 6) == 0) { + + s.len = value[i].len - 6; + s.data = value[i].data + 6; + + valid = ngx_parse_time(&s, 1); + if (valid < 0) { + goto failed; + } + + continue; + } + + if (ngx_strcmp(value[i].data, "off") == 0) { + + llcf->open_file_cache = NULL; + + continue; + } + + failed: + + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, + "invalid \"open_log_file_cache\" parameter \"%V\"", + &value[i]); + return NGX_CONF_ERROR; + } + + if (llcf->open_file_cache == NULL) { + return NGX_CONF_OK; + } + + if (max == 0) { + ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, + "\"open_log_file_cache\" must have \"max\" parameter"); + return NGX_CONF_ERROR; + } + + llcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive); + + if (llcf->open_file_cache) { + + llcf->open_file_cache_valid = valid; + llcf->open_file_cache_min_uses = min_uses; + + return NGX_CONF_OK; + } + + return NGX_CONF_ERROR; +} + + static ngx_int_t ngx_http_log_init(ngx_conf_t *cf) { |