Mercurial > hg > nginx
view src/core/ngx_log.h @ 0:4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
The first code that uses "ngx_" prefix, the previous one used "gx_" prefix.
At that point the code is not yet usable. The first draft ideas are dated
back to 23.10.2001.
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 06 Aug 2002 16:39:45 +0000 |
parents | |
children | 34a521b1a148 |
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#ifndef _NGX_LOG_H_INCLUDED_ #define _NGX_LOG_H_INCLUDED_ #include <ngx_errno.h> typedef enum { NGX_LOG_EMERG = 0, NGX_LOG_ALERT, NGX_LOG_CRIT, NGX_LOG_ERR, NGX_LOG_WARN, NGX_LOG_NOTICE, NGX_LOG_INFO, NGX_LOG_DEBUG } ngx_log_e; /* "... 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 struct { int log_level; char *action; char *context; /* char *func(ngx_log_t *log); */ } ngx_log_t; #define MAX_ERROR_STR 2048 #define _ , #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) #ifdef NGX_DEBUG #define ngx_log_debug(log, args...) \ if (log->log_level == NGX_LOG_DEBUG) \ ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args) #else #define ngx_log_debug(log, args...) #endif #define ngx_assert(assert, fallback, log, args...) \ if (!(assert)) { \ if (log->log_level >= NGX_LOG_ALERT) \ ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \ fallback; \ } void ngx_log_error_core(int 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__) #ifdef NGX_DEBUG #define ngx_log_debug(log, ...) \ if (log->log_level == NGX_LOG_DEBUG) \ ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__) #else #define ngx_log_debug(log, ...) #endif #define ngx_assert(assert, fallback, log, ...) \ if (!(assert)) { \ if (log->log_level >= NGX_LOG_ALERT) \ ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \ fallback; \ } void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, const char *fmt, ...); #else /* NO VARIADIC MACROS */ #include <stdarg.h> #ifdef NGX_DEBUG #define ngx_log_debug(log, text) \ if (log->log_level == NGX_LOG_DEBUG) \ ngx_log_debug_core(log, text) #else #define ngx_log_debug(log, text) #endif #define ngx_assert(assert, fallback, log, text) \ if (!(assert)) { \ if (log->log_level >= NGX_LOG_ALERT) \ ngx_assert_core(log, text); \ fallback; \ } void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err, const char *fmt, ...); void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err, const char *fmt, va_list args); void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...); void ngx_assert_core(ngx_log_t *log, const char *fmt, ...); #endif /* VARIADIC MACROS */ #endif /* _NGX_LOG_H_INCLUDED_ */