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comparison src/core/ngx_log.h @ 0:4eff17414a43

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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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-1:000000000000 0:4eff17414a43
1 #ifndef _NGX_LOG_H_INCLUDED_
2 #define _NGX_LOG_H_INCLUDED_
3
4
5 #include <ngx_errno.h>
6
7 typedef enum {
8 NGX_LOG_EMERG = 0,
9 NGX_LOG_ALERT,
10 NGX_LOG_CRIT,
11 NGX_LOG_ERR,
12 NGX_LOG_WARN,
13 NGX_LOG_NOTICE,
14 NGX_LOG_INFO,
15 NGX_LOG_DEBUG
16 } ngx_log_e;
17
18 /*
19 "... while ", action = "reading client request headers"
20 "... while reading client request headers"
21 "... while ", action = "reading client request headers"
22 context: pop3 user account
23 "... while reading client command for 'john_doe'"
24 */
25
26 typedef struct {
27 int log_level;
28 char *action;
29 char *context;
30 /* char *func(ngx_log_t *log); */
31 } ngx_log_t;
32
33 #define MAX_ERROR_STR 2048
34
35 #define _ ,
36
37
38 #if (HAVE_GCC_VARIADIC_MACROS)
39
40 #define HAVE_VARIADIC_MACROS 1
41
42 #define ngx_log_error(level, log, args...) \
43 if (log->log_level >= level) ngx_log_error_core(level, log, args)
44
45 #ifdef NGX_DEBUG
46 #define ngx_log_debug(log, args...) \
47 if (log->log_level == NGX_LOG_DEBUG) \
48 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, args)
49 #else
50 #define ngx_log_debug(log, args...)
51 #endif
52
53 #define ngx_assert(assert, fallback, log, args...) \
54 if (!(assert)) { \
55 if (log->log_level >= NGX_LOG_ALERT) \
56 ngx_log_error_core(NGX_LOG_ALERT, log, 0, args); \
57 fallback; \
58 }
59
60 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
61 const char *fmt, ...);
62
63 #elif (HAVE_C99_VARIADIC_MACROS)
64
65 #define HAVE_VARIADIC_MACROS 1
66
67 #define ngx_log_error(level, log, ...) \
68 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__)
69
70 #ifdef NGX_DEBUG
71 #define ngx_log_debug(log, ...) \
72 if (log->log_level == NGX_LOG_DEBUG) \
73 ngx_log_error_core(NGX_LOG_DEBUG, log, 0, __VA_ARGS__)
74 #else
75 #define ngx_log_debug(log, ...)
76 #endif
77
78 #define ngx_assert(assert, fallback, log, ...) \
79 if (!(assert)) { \
80 if (log->log_level >= NGX_LOG_ALERT) \
81 ngx_log_error_core(NGX_LOG_ALERT, log, 0, __VA_ARGS__); \
82 fallback; \
83 }
84
85 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
86 const char *fmt, ...);
87
88 #else /* NO VARIADIC MACROS */
89
90 #include <stdarg.h>
91
92 #ifdef NGX_DEBUG
93 #define ngx_log_debug(log, text) \
94 if (log->log_level == NGX_LOG_DEBUG) \
95 ngx_log_debug_core(log, text)
96 #else
97 #define ngx_log_debug(log, text)
98 #endif
99
100 #define ngx_assert(assert, fallback, log, text) \
101 if (!(assert)) { \
102 if (log->log_level >= NGX_LOG_ALERT) \
103 ngx_assert_core(log, text); \
104 fallback; \
105 }
106
107 void ngx_log_error(int level, ngx_log_t *log, ngx_err_t err,
108 const char *fmt, ...);
109 void ngx_log_error_core(int level, ngx_log_t *log, ngx_err_t err,
110 const char *fmt, va_list args);
111 void ngx_log_debug_core(ngx_log_t *log, const char *fmt, ...);
112 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...);
113
114
115 #endif /* VARIADIC MACROS */
116
117
118 #endif /* _NGX_LOG_H_INCLUDED_ */