diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_log_module.c')
-rw-r--r-- | app/nginx/src/http/modules/ngx_http_log_module.c | 1857 |
1 files changed, 0 insertions, 1857 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_log_module.c b/app/nginx/src/http/modules/ngx_http_log_module.c deleted file mode 100644 index 917ed55..0000000 --- a/app/nginx/src/http/modules/ngx_http_log_module.c +++ /dev/null @@ -1,1857 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - -#if (NGX_ZLIB) -#include <zlib.h> -#endif - - -typedef struct ngx_http_log_op_s ngx_http_log_op_t; - -typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r, - uintptr_t data); - - -struct ngx_http_log_op_s { - size_t len; - ngx_http_log_op_getlen_pt getlen; - ngx_http_log_op_run_pt run; - uintptr_t data; -}; - - -typedef struct { - ngx_str_t name; - ngx_array_t *flushes; - ngx_array_t *ops; /* array of ngx_http_log_op_t */ -} ngx_http_log_fmt_t; - - -typedef struct { - ngx_array_t formats; /* array of ngx_http_log_fmt_t */ - ngx_uint_t combined_used; /* unsigned combined_used:1 */ -} ngx_http_log_main_conf_t; - - -typedef struct { - u_char *start; - u_char *pos; - u_char *last; - - ngx_event_t *event; - ngx_msec_t flush; - ngx_int_t gzip; -} ngx_http_log_buf_t; - - -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_syslog_peer_t *syslog_peer; - ngx_http_log_fmt_t *format; - ngx_http_complex_value_t *filter; -} ngx_http_log_t; - - -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; - - -typedef struct { - ngx_str_t name; - size_t len; - ngx_http_log_op_run_pt run; -} ngx_http_log_var_t; - - -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); - -#if (NGX_ZLIB) -static ssize_t ngx_http_log_gzip(ngx_fd_t fd, u_char *buf, size_t len, - ngx_int_t level, ngx_log_t *log); - -static void *ngx_http_log_gzip_alloc(void *opaque, u_int items, u_int size); -static void ngx_http_log_gzip_free(void *opaque, void *address); -#endif - -static void ngx_http_log_flush(ngx_open_file_t *file, ngx_log_t *log); -static void ngx_http_log_flush_handler(ngx_event_t *ev); - -static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r, - u_char *buf, ngx_http_log_op_t *op); -static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - -static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, - ngx_http_log_op_t *op, ngx_str_t *value, ngx_uint_t json); -static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); -static uintptr_t ngx_http_log_escape(u_char *dst, u_char *src, size_t size); -static size_t ngx_http_log_json_variable_getlen(ngx_http_request_t *r, - uintptr_t data); -static u_char *ngx_http_log_json_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op); - - -static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); -static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); -static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, - void *child); -static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, - void *conf); -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 *flushes, 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); - - -static ngx_command_t ngx_http_log_commands[] = { - - { ngx_string("log_format"), - NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, - ngx_http_log_set_format, - NGX_HTTP_MAIN_CONF_OFFSET, - 0, - NULL }, - - { ngx_string("access_log"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF - |NGX_HTTP_LMT_CONF|NGX_CONF_1MORE, - ngx_http_log_set_log, - NGX_HTTP_LOC_CONF_OFFSET, - 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 -}; - - -static ngx_http_module_t ngx_http_log_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_log_init, /* postconfiguration */ - - ngx_http_log_create_main_conf, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_log_create_loc_conf, /* create location configuration */ - ngx_http_log_merge_loc_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_log_module = { - NGX_MODULE_V1, - &ngx_http_log_module_ctx, /* module context */ - ngx_http_log_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH); - - -static ngx_str_t ngx_http_combined_fmt = - ngx_string("$remote_addr - $remote_user [$time_local] " - "\"$request\" $status $body_bytes_sent " - "\"$http_referer\" \"$http_user_agent\""); - - -static ngx_http_log_var_t ngx_http_log_vars[] = { - { ngx_string("pipe"), 1, ngx_http_log_pipe }, - { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, - ngx_http_log_time }, - { ngx_string("time_iso8601"), sizeof("1970-09-28T12:00:00+06:00") - 1, - ngx_http_log_iso8601 }, - { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec }, - { ngx_string("request_time"), NGX_TIME_T_LEN + 4, - ngx_http_log_request_time }, - { ngx_string("status"), NGX_INT_T_LEN, ngx_http_log_status }, - { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, - { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, - ngx_http_log_body_bytes_sent }, - { ngx_string("request_length"), NGX_SIZE_T_LEN, - ngx_http_log_request_length }, - - { ngx_null_string, 0, NULL } -}; - - -static ngx_int_t -ngx_http_log_handler(ngx_http_request_t *r) -{ - u_char *line, *p; - size_t len, size; - ssize_t n; - ngx_str_t val; - ngx_uint_t i, l; - ngx_http_log_t *log; - ngx_http_log_op_t *op; - ngx_http_log_buf_t *buffer; - ngx_http_log_loc_conf_t *lcf; - - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, - "http log handler"); - - lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); - - if (lcf->off) { - return NGX_OK; - } - - log = lcf->logs->elts; - for (l = 0; l < lcf->logs->nelts; l++) { - - if (log[l].filter) { - if (ngx_http_complex_value(r, log[l].filter, &val) != NGX_OK) { - return NGX_ERROR; - } - - if (val.len == 0 || (val.len == 1 && val.data[0] == '0')) { - continue; - } - } - - if (ngx_time() == log[l].disk_full_time) { - - /* - * on FreeBSD writing to a full filesystem with enabled softupdates - * may block process for much longer time than writing to non-full - * filesystem, so we skip writing to a log for one second - */ - - continue; - } - - ngx_http_script_flush_no_cacheable_variables(r, log[l].format->flushes); - - len = 0; - op = log[l].format->ops->elts; - for (i = 0; i < log[l].format->ops->nelts; i++) { - if (op[i].len == 0) { - len += op[i].getlen(r, op[i].data); - - } else { - len += op[i].len; - } - } - - if (log[l].syslog_peer) { - - /* length of syslog's PRI and HEADER message parts */ - len += sizeof("<255>Jan 01 00:00:00 ") - 1 - + ngx_cycle->hostname.len + 1 - + log[l].syslog_peer->tag.len + 2; - - goto alloc_line; - } - - len += NGX_LINEFEED_SIZE; - - buffer = log[l].file ? log[l].file->data : NULL; - - if (buffer) { - - if (len > (size_t) (buffer->last - buffer->pos)) { - - ngx_http_log_write(r, &log[l], buffer->start, - buffer->pos - buffer->start); - - buffer->pos = buffer->start; - } - - if (len <= (size_t) (buffer->last - buffer->pos)) { - - p = buffer->pos; - - if (buffer->event && p == buffer->start) { - ngx_add_timer(buffer->event, buffer->flush); - } - - for (i = 0; i < log[l].format->ops->nelts; i++) { - p = op[i].run(r, p, &op[i]); - } - - ngx_linefeed(p); - - buffer->pos = p; - - continue; - } - - if (buffer->event && buffer->event->timer_set) { - ngx_del_timer(buffer->event); - } - } - - alloc_line: - - line = ngx_pnalloc(r->pool, len); - if (line == NULL) { - return NGX_ERROR; - } - - p = line; - - if (log[l].syslog_peer) { - p = ngx_syslog_add_header(log[l].syslog_peer, line); - } - - for (i = 0; i < log[l].format->ops->nelts; i++) { - p = op[i].run(r, p, &op[i]); - } - - if (log[l].syslog_peer) { - - size = p - line; - - n = ngx_syslog_send(log[l].syslog_peer, line, size); - - if (n < 0) { - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "send() to syslog failed"); - - } else if ((size_t) n != size) { - ngx_log_error(NGX_LOG_WARN, r->connection->log, 0, - "send() to syslog has written only %z of %uz", - n, size); - } - - continue; - } - - ngx_linefeed(p); - - ngx_http_log_write(r, &log[l], line, p - line); - } - - return NGX_OK; -} - - -static void -ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, - size_t len) -{ - u_char *name; - time_t now; - ssize_t n; - ngx_err_t err; -#if (NGX_ZLIB) - ngx_http_log_buf_t *buffer; -#endif - - if (log->script == NULL) { - name = log->file->name.data; - -#if (NGX_ZLIB) - buffer = log->file->data; - - if (buffer && buffer->gzip) { - n = ngx_http_log_gzip(log->file->fd, buf, len, buffer->gzip, - r->connection->log); - } else { - n = ngx_write_fd(log->file->fd, buf, len); - } -#else - n = ngx_write_fd(log->file->fd, buf, len); -#endif - - } else { - name = NULL; - n = ngx_http_log_script_write(r, log->script, &name, buf, len); - } - - if (n == (ssize_t) len) { - return; - } - - now = ngx_time(); - - if (n == -1) { - err = ngx_errno; - - if (err == NGX_ENOSPC) { - log->disk_full_time = now; - } - - if (now - log->error_log_time > 59) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, - ngx_write_fd_n " to \"%s\" failed", name); - - log->error_log_time = now; - } - - return; - } - - if (now - log->error_log_time > 59) { - ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, - 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; - - clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); - - if (!r->root_tested) { - - /* test root directory existence */ - - if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { - /* simulate successful logging */ - return len; - } - - path.data[root] = '\0'; - - 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.test_dir = 1; - of.test_only = 1; - of.errors = clcf->open_file_cache_errors; - of.events = clcf->open_file_cache_events; - - if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { - /* simulate successful logging */ - return len; - } - - if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - /* simulate successful logging */ - return len; - } - - ngx_log_error(NGX_LOG_ERR, r->connection->log, of.err, - "testing \"%s\" existence failed", path.data); - - /* simulate successful logging */ - return len; - } - - if (!of.is_dir) { - ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ENOTDIR, - "testing \"%s\" existence failed", path.data); - - /* simulate successful logging */ - return len; - } - } - - if (ngx_http_script_run(r, &log, script->lengths->elts, 1, - script->values->elts) - == NULL) - { - /* simulate successful 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; - of.directio = NGX_OPEN_FILE_DIRECTIO_OFF; - - if (ngx_http_set_disable_symlinks(r, clcf, &log, &of) != NGX_OK) { - /* simulate successful logging */ - return len; - } - - if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool) - != NGX_OK) - { - if (of.err == 0) { - /* simulate successful logging */ - return len; - } - - ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, - "%s \"%s\" failed", of.failed, log.data); - /* simulate successful logging */ - return len; - } - - 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; -} - - -#if (NGX_ZLIB) - -static ssize_t -ngx_http_log_gzip(ngx_fd_t fd, u_char *buf, size_t len, ngx_int_t level, - ngx_log_t *log) -{ - int rc, wbits, memlevel; - u_char *out; - size_t size; - ssize_t n; - z_stream zstream; - ngx_err_t err; - ngx_pool_t *pool; - - wbits = MAX_WBITS; - memlevel = MAX_MEM_LEVEL - 1; - - while ((ssize_t) len < ((1 << (wbits - 1)) - 262)) { - wbits--; - memlevel--; - } - - /* - * This is a formula from deflateBound() for conservative upper bound of - * compressed data plus 18 bytes of gzip wrapper. - */ - - size = len + ((len + 7) >> 3) + ((len + 63) >> 6) + 5 + 18; - - ngx_memzero(&zstream, sizeof(z_stream)); - - pool = ngx_create_pool(256, log); - if (pool == NULL) { - /* simulate successful logging */ - return len; - } - - pool->log = log; - - zstream.zalloc = ngx_http_log_gzip_alloc; - zstream.zfree = ngx_http_log_gzip_free; - zstream.opaque = pool; - - out = ngx_pnalloc(pool, size); - if (out == NULL) { - goto done; - } - - zstream.next_in = buf; - zstream.avail_in = len; - zstream.next_out = out; - zstream.avail_out = size; - - rc = deflateInit2(&zstream, (int) level, Z_DEFLATED, wbits + 16, memlevel, - Z_DEFAULT_STRATEGY); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, log, 0, "deflateInit2() failed: %d", rc); - goto done; - } - - ngx_log_debug4(NGX_LOG_DEBUG_HTTP, log, 0, - "deflate in: ni:%p no:%p ai:%ud ao:%ud", - zstream.next_in, zstream.next_out, - zstream.avail_in, zstream.avail_out); - - rc = deflate(&zstream, Z_FINISH); - - if (rc != Z_STREAM_END) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - "deflate(Z_FINISH) failed: %d", rc); - goto done; - } - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, log, 0, - "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", - zstream.next_in, zstream.next_out, - zstream.avail_in, zstream.avail_out, - rc); - - size -= zstream.avail_out; - - rc = deflateEnd(&zstream); - - if (rc != Z_OK) { - ngx_log_error(NGX_LOG_ALERT, log, 0, "deflateEnd() failed: %d", rc); - goto done; - } - - n = ngx_write_fd(fd, out, size); - - if (n != (ssize_t) size) { - err = (n == -1) ? ngx_errno : 0; - - ngx_destroy_pool(pool); - - ngx_set_errno(err); - return -1; - } - -done: - - ngx_destroy_pool(pool); - - /* simulate successful logging */ - return len; -} - - -static void * -ngx_http_log_gzip_alloc(void *opaque, u_int items, u_int size) -{ - ngx_pool_t *pool = opaque; - - ngx_log_debug2(NGX_LOG_DEBUG_HTTP, pool->log, 0, - "gzip alloc: n:%ud s:%ud", items, size); - - return ngx_palloc(pool, items * size); -} - - -static void -ngx_http_log_gzip_free(void *opaque, void *address) -{ -#if 0 - ngx_pool_t *pool = opaque; - - ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, "gzip free: %p", address); -#endif -} - -#endif - - -static void -ngx_http_log_flush(ngx_open_file_t *file, ngx_log_t *log) -{ - size_t len; - ssize_t n; - ngx_http_log_buf_t *buffer; - - buffer = file->data; - - len = buffer->pos - buffer->start; - - if (len == 0) { - return; - } - -#if (NGX_ZLIB) - if (buffer->gzip) { - n = ngx_http_log_gzip(file->fd, buffer->start, len, buffer->gzip, log); - } else { - n = ngx_write_fd(file->fd, buffer->start, len); - } -#else - n = ngx_write_fd(file->fd, buffer->start, len); -#endif - - if (n == -1) { - ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, - ngx_write_fd_n " to \"%s\" failed", - file->name.data); - - } else if ((size_t) n != len) { - ngx_log_error(NGX_LOG_ALERT, log, 0, - ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", - file->name.data, n, len); - } - - buffer->pos = buffer->start; - - if (buffer->event && buffer->event->timer_set) { - ngx_del_timer(buffer->event); - } -} - - -static void -ngx_http_log_flush_handler(ngx_event_t *ev) -{ - ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, - "http log buffer flush handler"); - - ngx_http_log_flush(ev->data, ev->log); -} - - -static u_char * -ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - size_t len; - uintptr_t data; - - len = op->len; - data = op->data; - - while (len--) { - *buf++ = (u_char) (data & 0xff); - data >>= 8; - } - - return buf; -} - - -static u_char * -ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, (u_char *) op->data, op->len); -} - - -static u_char * -ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - if (r->pipeline) { - *buf = 'p'; - } else { - *buf = '.'; - } - - return buf + 1; -} - - -static u_char * -ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, ngx_cached_http_log_time.data, - ngx_cached_http_log_time.len); -} - -static u_char * -ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - return ngx_cpymem(buf, ngx_cached_http_log_iso8601.data, - ngx_cached_http_log_iso8601.len); -} - -static u_char * -ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_time_t *tp; - - tp = ngx_timeofday(); - - return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); -} - - -static u_char * -ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_time_t *tp; - ngx_msec_int_t ms; - - tp = ngx_timeofday(); - - ms = (ngx_msec_int_t) - ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); - ms = ngx_max(ms, 0); - - return ngx_sprintf(buf, "%T.%03M", (time_t) ms / 1000, ms % 1000); -} - - -static u_char * -ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_uint_t status; - - if (r->err_status) { - status = r->err_status; - - } else if (r->headers_out.status) { - status = r->headers_out.status; - - } else if (r->http_version == NGX_HTTP_VERSION_9) { - status = 9; - - } else { - status = 0; - } - - return ngx_sprintf(buf, "%03ui", status); -} - - -static u_char * -ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%O", r->connection->sent); -} - - -/* - * although there is a real $body_bytes_sent variable, - * this log operation code function is more optimized for logging - */ - -static u_char * -ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - off_t length; - - length = r->connection->sent - r->header_size; - - if (length > 0) { - return ngx_sprintf(buf, "%O", length); - } - - *buf = '0'; - - return buf + 1; -} - - -static u_char * -ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - return ngx_sprintf(buf, "%O", r->request_length); -} - - -static ngx_int_t -ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, - ngx_str_t *value, ngx_uint_t json) -{ - ngx_int_t index; - - index = ngx_http_get_variable_index(cf, value); - if (index == NGX_ERROR) { - return NGX_ERROR; - } - - op->len = 0; - - if (json) { - op->getlen = ngx_http_log_json_variable_getlen; - op->run = ngx_http_log_json_variable; - - } else { - op->getlen = ngx_http_log_variable_getlen; - op->run = ngx_http_log_variable; - } - - op->data = index; - - return NGX_OK; -} - - -static size_t -ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - uintptr_t len; - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL || value->not_found) { - return 1; - } - - len = ngx_http_log_escape(NULL, value->data, value->len); - - value->escape = len ? 1 : 0; - - return value->len + len * 3; -} - - -static u_char * -ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL || value->not_found) { - *buf = '-'; - return buf + 1; - } - - if (value->escape == 0) { - return ngx_cpymem(buf, value->data, value->len); - - } else { - return (u_char *) ngx_http_log_escape(buf, value->data, value->len); - } -} - - -static uintptr_t -ngx_http_log_escape(u_char *dst, u_char *src, size_t size) -{ - ngx_uint_t n; - static u_char hex[] = "0123456789ABCDEF"; - - static uint32_t escape[] = { - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - - /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ - 0x00000004, /* 0000 0000 0000 0000 0000 0000 0000 0100 */ - - /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ - 0x10000000, /* 0001 0000 0000 0000 0000 0000 0000 0000 */ - - /* ~}| {zyx wvut srqp onml kjih gfed cba` */ - 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ - - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ - }; - - - if (dst == NULL) { - - /* find the number of the characters to be escaped */ - - n = 0; - - while (size) { - if (escape[*src >> 5] & (1U << (*src & 0x1f))) { - n++; - } - src++; - size--; - } - - return (uintptr_t) n; - } - - while (size) { - if (escape[*src >> 5] & (1U << (*src & 0x1f))) { - *dst++ = '\\'; - *dst++ = 'x'; - *dst++ = hex[*src >> 4]; - *dst++ = hex[*src & 0xf]; - src++; - - } else { - *dst++ = *src++; - } - size--; - } - - return (uintptr_t) dst; -} - - -static size_t -ngx_http_log_json_variable_getlen(ngx_http_request_t *r, uintptr_t data) -{ - uintptr_t len; - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, data); - - if (value == NULL || value->not_found) { - return 0; - } - - len = ngx_escape_json(NULL, value->data, value->len); - - value->escape = len ? 1 : 0; - - return value->len + len; -} - - -static u_char * -ngx_http_log_json_variable(ngx_http_request_t *r, u_char *buf, - ngx_http_log_op_t *op) -{ - ngx_http_variable_value_t *value; - - value = ngx_http_get_indexed_variable(r, op->data); - - if (value == NULL || value->not_found) { - return buf; - } - - if (value->escape == 0) { - return ngx_cpymem(buf, value->data, value->len); - - } else { - return (u_char *) ngx_escape_json(buf, value->data, value->len); - } -} - - -static void * -ngx_http_log_create_main_conf(ngx_conf_t *cf) -{ - ngx_http_log_main_conf_t *conf; - - ngx_http_log_fmt_t *fmt; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); - if (conf == NULL) { - return NULL; - } - - if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) - != NGX_OK) - { - return NULL; - } - - fmt = ngx_array_push(&conf->formats); - if (fmt == NULL) { - return NULL; - } - - ngx_str_set(&fmt->name, "combined"); - - fmt->flushes = NULL; - - fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); - if (fmt->ops == NULL) { - return NULL; - } - - return conf; -} - - -static void * -ngx_http_log_create_loc_conf(ngx_conf_t *cf) -{ - ngx_http_log_loc_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); - if (conf == NULL) { - return NULL; - } - - conf->open_file_cache = NGX_CONF_UNSET_PTR; - - return conf; -} - - -static char * -ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_log_loc_conf_t *prev = parent; - ngx_http_log_loc_conf_t *conf = child; - - ngx_http_log_t *log; - 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; - } - - conf->logs = prev->logs; - conf->off = prev->off; - - if (conf->logs || conf->off) { - return NGX_CONF_OK; - } - - conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (conf->logs == NULL) { - return NGX_CONF_ERROR; - } - - log = ngx_array_push(conf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(log, sizeof(ngx_http_log_t)); - - log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); - if (log->file == NULL) { - return NGX_CONF_ERROR; - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - fmt = lmcf->formats.elts; - - /* the default "combined" format */ - log->format = &fmt[0]; - lmcf->combined_used = 1; - - return NGX_CONF_OK; -} - - -static char * -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 size; - ngx_int_t gzip; - ngx_uint_t i, n; - ngx_msec_t flush; - ngx_str_t *value, name, s; - ngx_http_log_t *log; - ngx_syslog_peer_t *peer; - ngx_http_log_buf_t *buffer; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - ngx_http_script_compile_t sc; - ngx_http_compile_complex_value_t ccv; - - value = cf->args->elts; - - if (ngx_strcmp(value[1].data, "off") == 0) { - llcf->off = 1; - if (cf->args->nelts == 2) { - return NGX_CONF_OK; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[2]); - return NGX_CONF_ERROR; - } - - if (llcf->logs == NULL) { - llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); - if (llcf->logs == NULL) { - return NGX_CONF_ERROR; - } - } - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - - log = ngx_array_push(llcf->logs); - if (log == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memzero(log, sizeof(ngx_http_log_t)); - - - if (ngx_strncmp(value[1].data, "syslog:", 7) == 0) { - - peer = ngx_pcalloc(cf->pool, sizeof(ngx_syslog_peer_t)); - if (peer == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_syslog_process_conf(cf, peer) != NGX_CONF_OK) { - return NGX_CONF_ERROR; - } - - log->syslog_peer = peer; - - goto process_formats; - } - - 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_OK) { - 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; - } - } - -process_formats: - - if (cf->args->nelts >= 3) { - name = value[2]; - - if (ngx_strcmp(name.data, "combined") == 0) { - lmcf->combined_used = 1; - } - - } else { - ngx_str_set(&name, "combined"); - lmcf->combined_used = 1; - } - - fmt = lmcf->formats.elts; - for (i = 0; i < lmcf->formats.nelts; i++) { - if (fmt[i].name.len == name.len - && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) - { - log->format = &fmt[i]; - break; - } - } - - if (log->format == NULL) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown log format \"%V\"", &name); - return NGX_CONF_ERROR; - } - - size = 0; - flush = 0; - gzip = 0; - - for (i = 3; i < cf->args->nelts; i++) { - - if (ngx_strncmp(value[i].data, "buffer=", 7) == 0) { - s.len = value[i].len - 7; - s.data = value[i].data + 7; - - size = ngx_parse_size(&s); - - if (size == NGX_ERROR || size == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid buffer size \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "flush=", 6) == 0) { - s.len = value[i].len - 6; - s.data = value[i].data + 6; - - flush = ngx_parse_time(&s, 0); - - if (flush == (ngx_msec_t) NGX_ERROR || flush == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid flush time \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - } - - if (ngx_strncmp(value[i].data, "gzip", 4) == 0 - && (value[i].len == 4 || value[i].data[4] == '=')) - { -#if (NGX_ZLIB) - if (size == 0) { - size = 64 * 1024; - } - - if (value[i].len == 4) { - gzip = Z_BEST_SPEED; - continue; - } - - s.len = value[i].len - 5; - s.data = value[i].data + 5; - - gzip = ngx_atoi(s.data, s.len); - - if (gzip < 1 || gzip > 9) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid compression level \"%V\"", &s); - return NGX_CONF_ERROR; - } - - continue; - -#else - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "nginx was built without zlib support"); - return NGX_CONF_ERROR; -#endif - } - - if (ngx_strncmp(value[i].data, "if=", 3) == 0) { - s.len = value[i].len - 3; - s.data = value[i].data + 3; - - ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); - - ccv.cf = cf; - ccv.value = &s; - ccv.complex_value = ngx_palloc(cf->pool, - sizeof(ngx_http_complex_value_t)); - if (ccv.complex_value == NULL) { - return NGX_CONF_ERROR; - } - - if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { - return NGX_CONF_ERROR; - } - - log->filter = ccv.complex_value; - - continue; - } - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "invalid parameter \"%V\"", &value[i]); - return NGX_CONF_ERROR; - } - - if (flush && size == 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "no buffer is defined for access_log \"%V\"", - &value[1]); - return NGX_CONF_ERROR; - } - - if (size) { - - if (log->script) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "buffered logs cannot have variables in name"); - return NGX_CONF_ERROR; - } - - if (log->syslog_peer) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "logs to syslog cannot be buffered"); - return NGX_CONF_ERROR; - } - - if (log->file->data) { - buffer = log->file->data; - - if (buffer->last - buffer->start != size - || buffer->flush != flush - || buffer->gzip != gzip) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "access_log \"%V\" already defined " - "with conflicting parameters", - &value[1]); - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; - } - - buffer = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_buf_t)); - if (buffer == NULL) { - return NGX_CONF_ERROR; - } - - buffer->start = ngx_pnalloc(cf->pool, size); - if (buffer->start == NULL) { - return NGX_CONF_ERROR; - } - - buffer->pos = buffer->start; - buffer->last = buffer->start + size; - - if (flush) { - buffer->event = ngx_pcalloc(cf->pool, sizeof(ngx_event_t)); - if (buffer->event == NULL) { - return NGX_CONF_ERROR; - } - - buffer->event->data = log->file; - buffer->event->handler = ngx_http_log_flush_handler; - buffer->event->log = &cf->cycle->new_log; - buffer->event->cancelable = 1; - - buffer->flush = flush; - } - - buffer->gzip = gzip; - - log->file->flush = ngx_http_log_flush; - log->file->data = buffer; - } - - return NGX_CONF_OK; -} - - -static char * -ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) -{ - ngx_http_log_main_conf_t *lmcf = conf; - - ngx_str_t *value; - ngx_uint_t i; - ngx_http_log_fmt_t *fmt; - - value = cf->args->elts; - - fmt = lmcf->formats.elts; - for (i = 0; i < lmcf->formats.nelts; i++) { - if (fmt[i].name.len == value[1].len - && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) - { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "duplicate \"log_format\" name \"%V\"", - &value[1]); - return NGX_CONF_ERROR; - } - } - - fmt = ngx_array_push(&lmcf->formats); - if (fmt == NULL) { - return NGX_CONF_ERROR; - } - - fmt->name = value[1]; - - fmt->flushes = ngx_array_create(cf->pool, 4, sizeof(ngx_int_t)); - if (fmt->flushes == NULL) { - return NGX_CONF_ERROR; - } - - fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); - if (fmt->ops == NULL) { - return NGX_CONF_ERROR; - } - - return ngx_http_log_compile_format(cf, fmt->flushes, fmt->ops, cf->args, 2); -} - - -static char * -ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *flushes, - ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s) -{ - u_char *data, *p, ch; - size_t i, len; - ngx_str_t *value, var; - ngx_int_t *flush; - ngx_uint_t bracket, json; - ngx_http_log_op_t *op; - ngx_http_log_var_t *v; - - json = 0; - value = args->elts; - - if (s < args->nelts && ngx_strncmp(value[s].data, "escape=", 7) == 0) { - data = value[s].data + 7; - - if (ngx_strcmp(data, "json") == 0) { - json = 1; - - } else if (ngx_strcmp(data, "default") != 0) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "unknown log format escaping \"%s\"", data); - return NGX_CONF_ERROR; - } - - s++; - } - - for ( /* void */ ; s < args->nelts; s++) { - - i = 0; - - while (i < value[s].len) { - - op = ngx_array_push(ops); - if (op == NULL) { - return NGX_CONF_ERROR; - } - - data = &value[s].data[i]; - - if (value[s].data[i] == '$') { - - if (++i == value[s].len) { - goto invalid; - } - - if (value[s].data[i] == '{') { - bracket = 1; - - if (++i == value[s].len) { - goto invalid; - } - - var.data = &value[s].data[i]; - - } else { - bracket = 0; - var.data = &value[s].data[i]; - } - - for (var.len = 0; i < value[s].len; i++, var.len++) { - ch = value[s].data[i]; - - if (ch == '}' && bracket) { - i++; - bracket = 0; - break; - } - - if ((ch >= 'A' && ch <= 'Z') - || (ch >= 'a' && ch <= 'z') - || (ch >= '0' && ch <= '9') - || ch == '_') - { - continue; - } - - break; - } - - if (bracket) { - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, - "the closing bracket in \"%V\" " - "variable is missing", &var); - return NGX_CONF_ERROR; - } - - if (var.len == 0) { - goto invalid; - } - - for (v = ngx_http_log_vars; v->name.len; v++) { - - if (v->name.len == var.len - && ngx_strncmp(v->name.data, var.data, var.len) == 0) - { - op->len = v->len; - op->getlen = NULL; - op->run = v->run; - op->data = 0; - - goto found; - } - } - - if (ngx_http_log_variable_compile(cf, op, &var, json) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - if (flushes) { - - flush = ngx_array_push(flushes); - if (flush == NULL) { - return NGX_CONF_ERROR; - } - - *flush = op->data; /* variable index */ - } - - found: - - continue; - } - - i++; - - while (i < value[s].len && value[s].data[i] != '$') { - i++; - } - - len = &value[s].data[i] - data; - - if (len) { - - op->len = len; - op->getlen = NULL; - - if (len <= sizeof(uintptr_t)) { - op->run = ngx_http_log_copy_short; - op->data = 0; - - while (len--) { - op->data <<= 8; - op->data |= data[len]; - } - - } else { - op->run = ngx_http_log_copy_long; - - p = ngx_pnalloc(cf->pool, len); - if (p == NULL) { - return NGX_CONF_ERROR; - } - - ngx_memcpy(p, data, len); - op->data = (uintptr_t) p; - } - } - } - } - - return NGX_CONF_OK; - -invalid: - - ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); - - return NGX_CONF_ERROR; -} - - -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 == (time_t) NGX_ERROR) { - 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 == (time_t) NGX_ERROR) { - 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) -{ - ngx_str_t *value; - ngx_array_t a; - ngx_http_handler_pt *h; - ngx_http_log_fmt_t *fmt; - ngx_http_log_main_conf_t *lmcf; - ngx_http_core_main_conf_t *cmcf; - - lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); - - if (lmcf->combined_used) { - if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { - return NGX_ERROR; - } - - value = ngx_array_push(&a); - if (value == NULL) { - return NGX_ERROR; - } - - *value = ngx_http_combined_fmt; - fmt = lmcf->formats.elts; - - if (ngx_http_log_compile_format(cf, NULL, fmt->ops, &a, 0) - != NGX_CONF_OK) - { - return NGX_ERROR; - } - } - - cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); - - h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); - if (h == NULL) { - return NGX_ERROR; - } - - *h = ngx_http_log_handler; - - return NGX_OK; -} |