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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.c1857
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;
-}