Mercurial > hg > nginx-vendor-1-0
diff src/core/ngx_log.h @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 4b2dafa26fe2 |
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new file mode 100644 --- /dev/null +++ b/src/core/ngx_log.h @@ -0,0 +1,210 @@ + +/* + * Copyright (C) Igor Sysoev + */ + + +#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 0x010 +#define NGX_LOG_DEBUG_ALLOC 0x020 +#define NGX_LOG_DEBUG_MUTEX 0x040 +#define NGX_LOG_DEBUG_EVENT 0x080 +#define NGX_LOG_DEBUG_HTTP 0x100 +#define NGX_LOG_DEBUG_IMAP 0x200 + +/* + * do not forget to update debug_levels[] in src/core/ngx_log.c + * after the adding a new debug level + */ + +#define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE +#define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_IMAP +#define NGX_LOG_DEBUG_CONNECTION 0x80000000 +#define NGX_LOG_DEBUG_ALL 0x7ffffff0 + + +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) + +#define ngx_log_debug7(level, log, err, fmt, \ + arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ + if (log->log_level & level) \ + ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \ + arg1, arg2, arg3, arg4, arg5, arg6, arg7) + +#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) + +#define ngx_log_debug7(level, log, err, fmt, \ + arg1, arg2, arg3, arg4, arg5, arg6, arg7) \ + if (log->log_level & level) \ + ngx_log_debug_core(log, err, fmt, \ + arg1, arg2, arg3, arg4, arg5, arg6, arg7) + +#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) +#define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \ + arg6, arg7) + +#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_stderr(); +#if 0 +ngx_int_t ngx_log_init_error_log(); +#endif +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_ */