mirror of
https://github.com/nginx/nginx.git
synced 2024-12-16 22:47:47 +08:00
224 lines
6.9 KiB
C
224 lines
6.9 KiB
C
#ifndef _NGX_LOG_H_INCLUDED_
|
|
#define _NGX_LOG_H_INCLUDED_
|
|
|
|
|
|
#include <ngx_config.h>
|
|
#include <ngx_core.h>
|
|
|
|
|
|
#define NGX_LOG_STDERR 0
|
|
#define NGX_LOG_EMERG 1
|
|
#define NGX_LOG_ALERT 2
|
|
#define NGX_LOG_CRIT 3
|
|
#define NGX_LOG_ERR 4
|
|
#define NGX_LOG_WARN 5
|
|
#define NGX_LOG_NOTICE 6
|
|
#define NGX_LOG_INFO 7
|
|
#define NGX_LOG_DEBUG 8
|
|
|
|
#define NGX_LOG_DEBUG_CORE 0x10
|
|
#define NGX_LOG_DEBUG_ALLOC 0x20
|
|
#define NGX_LOG_DEBUG_EVENT 0x40
|
|
#define NGX_LOG_DEBUG_HTTP 0x80
|
|
|
|
#define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE
|
|
#define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_HTTP
|
|
#define NGX_LOG_DEBUG_ALL 0xfffffff0
|
|
|
|
|
|
/*
|
|
"[%time] [%level] %pid#%tid: %message:(%errno)%errstr, while %action"
|
|
" %peer and while processing %context"
|
|
|
|
----
|
|
message = "recv() failed";
|
|
errno = 32;
|
|
action = "reading request headers from client";
|
|
peer = "192.168.1.1";
|
|
context = "URL /"
|
|
|
|
"[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)"
|
|
" while reading request headers from client 192.168.1.1"
|
|
" and while processing URL /"
|
|
|
|
----
|
|
message = "recv() failed";
|
|
errno = 32;
|
|
ngx_http_proxy_error_context_t:
|
|
action = "reading headers from server %s for client %s and "
|
|
"while processing %s"
|
|
backend = "127.0.0.1";
|
|
peer = "192.168.1.1";
|
|
context = "URL /"
|
|
|
|
"[2002/08/20 12:00:00] [error] 412#3: recv() failed (32: Broken pipe)"
|
|
" while reading headers from backend 127.0.0.1"
|
|
" for client 192.168.1.1 and while processing URL /"
|
|
|
|
----
|
|
"[alert] 412#3: ngx_alloc: malloc() 102400 bytes failed (12: Cannot "
|
|
"allocate memory) while reading request headers from client 192.168.1.1"
|
|
" and while processing URL /"
|
|
|
|
|
|
OLD:
|
|
"... while ", action = "reading client request headers"
|
|
"... while reading client request headers"
|
|
"... while ", action = "reading client request headers"
|
|
context: pop3 user account
|
|
"... while reading client command for 'john_doe'"
|
|
*/
|
|
|
|
|
|
typedef size_t (*ngx_log_handler_pt) (void *ctx, char *buf, size_t len);
|
|
|
|
|
|
struct ngx_log_s {
|
|
ngx_uint_t log_level;
|
|
ngx_open_file_t *file;
|
|
void *data;
|
|
ngx_log_handler_pt handler;
|
|
};
|
|
|
|
#define MAX_ERROR_STR 2048
|
|
|
|
|
|
/*********************************/
|
|
|
|
#if (HAVE_GCC_VARIADIC_MACROS)
|
|
|
|
#define HAVE_VARIADIC_MACROS 1
|
|
|
|
#define ngx_log_error(level, log, args...) \
|
|
if (log->log_level >= level) ngx_log_error_core(level, log, args)
|
|
|
|
void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
|
|
const char *fmt, ...);
|
|
|
|
/*********************************/
|
|
|
|
#elif (HAVE_C99_VARIADIC_MACROS)
|
|
|
|
#define HAVE_VARIADIC_MACROS 1
|
|
|
|
#define ngx_log_error(level, log, ...) \
|
|
if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__)
|
|
|
|
void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
|
|
const char *fmt, ...);
|
|
|
|
/*********************************/
|
|
|
|
#else /* NO VARIADIC MACROS */
|
|
|
|
#define HAVE_VARIADIC_MACROS 0
|
|
|
|
void ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
|
|
const char *fmt, ...);
|
|
void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
|
|
const char *fmt, va_list args);
|
|
void ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, const char *fmt, ...);
|
|
void ngx_assert_core(ngx_log_t *log, const char *fmt, ...);
|
|
|
|
|
|
#endif /* VARIADIC MACROS */
|
|
|
|
|
|
/*********************************/
|
|
|
|
#if (NGX_DEBUG)
|
|
|
|
#if (HAVE_VARIADIC_MACROS)
|
|
|
|
#define ngx_log_debug0(level, log, err, fmt) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt)
|
|
|
|
#define ngx_log_debug1(level, log, err, fmt, arg1) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1)
|
|
|
|
#define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2)
|
|
|
|
#define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3)
|
|
|
|
#define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3, arg4)
|
|
|
|
#define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \
|
|
arg1, arg2, arg3, arg4, arg5)
|
|
|
|
#define ngx_log_debug6(level, log, err, fmt, \
|
|
arg1, arg2, arg3, arg4, arg5, arg6) \
|
|
if (log->log_level & level) \
|
|
ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \
|
|
arg1, arg2, arg3, arg4, arg5, arg6)
|
|
|
|
#else /* NO VARIADIC MACROS */
|
|
|
|
#define ngx_log_debug0(level, log, err, fmt) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt)
|
|
|
|
#define ngx_log_debug1(level, log, err, fmt, arg1) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1)
|
|
|
|
#define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1, arg2)
|
|
|
|
#define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3)
|
|
|
|
#define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4)
|
|
|
|
#define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5)
|
|
|
|
#define ngx_log_debug6(level, log, err, fmt, \
|
|
arg1, arg2, arg3, arg4, arg5, arg6) \
|
|
if (log->log_level & level) \
|
|
ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6)
|
|
|
|
#endif
|
|
|
|
#else /* NO NGX_DEBUG */
|
|
|
|
#define ngx_log_debug0(level, log, err, fmt)
|
|
#define ngx_log_debug1(level, log, err, fmt, arg1)
|
|
#define ngx_log_debug2(level, log, err, fmt, arg1, arg2)
|
|
#define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3)
|
|
#define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4)
|
|
#define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5)
|
|
#define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6)
|
|
|
|
#endif
|
|
|
|
/*********************************/
|
|
|
|
#define ngx_log_alloc_log(pool, log) ngx_palloc(pool, log, sizeof(ngx_log_t))
|
|
#define ngx_log_copy_log(new, old) ngx_memcpy(new, old, sizeof(ngx_log_t))
|
|
|
|
ngx_log_t *ngx_log_init_errlog();
|
|
ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_array_t *args);
|
|
char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log);
|
|
|
|
|
|
|
|
extern ngx_module_t ngx_errlog_module;
|
|
|
|
|
|
#endif /* _NGX_LOG_H_INCLUDED_ */
|