1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
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_MAIL 0x200
#define NGX_LOG_DEBUG_MYSQL 0x400
/*
* 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_MYSQL
#define NGX_LOG_DEBUG_CONNECTION 0x80000000
#define NGX_LOG_DEBUG_ALL 0x7ffffff0
typedef u_char *(*ngx_log_handler_pt) (ngx_log_t *log, u_char *buf, size_t len);
struct ngx_log_s {
ngx_uint_t log_level;
ngx_open_file_t *file;
ngx_atomic_uint_t connection;
ngx_log_handler_pt handler;
void *data;
/*
* we declare "action" as "char *" because the actions are usually
* the static strings and in the "u_char *" case we have to override
* their types all the time
*/
char *action;
};
#define NGX_MAX_ERROR_STR 2048
/*********************************/
#if (NGX_HAVE_C99_VARIADIC_MACROS)
#define NGX_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, ...);
#define ngx_log_debug(level, log, ...) \
if ((log)->log_level & level) \
ngx_log_error_core(NGX_LOG_DEBUG, log, __VA_ARGS__)
/*********************************/
#elif (NGX_HAVE_GCC_VARIADIC_MACROS)
#define NGX_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, ...);
#define ngx_log_debug(level, log, args...) \
if ((log)->log_level & level) \
ngx_log_error_core(NGX_LOG_DEBUG, log, args)
/*********************************/
#else /* NO VARIADIC MACROS */
#define NGX_HAVE_VARIADIC_MACROS 0
void ngx_cdecl 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_cdecl ngx_log_debug_core(ngx_log_t *log, ngx_err_t err,
const char *fmt, ...);
#endif /* VARIADIC MACROS */
/*********************************/
#if (NGX_DEBUG)
#if (NGX_HAVE_VARIADIC_MACROS)
#define ngx_log_debug0 ngx_log_debug
#define ngx_log_debug1 ngx_log_debug
#define ngx_log_debug2 ngx_log_debug
#define ngx_log_debug3 ngx_log_debug
#define ngx_log_debug4 ngx_log_debug
#define ngx_log_debug5 ngx_log_debug
#define ngx_log_debug6 ngx_log_debug
#define ngx_log_debug7 ngx_log_debug
#define ngx_log_debug8 ngx_log_debug
#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)
#define ngx_log_debug8(level, log, err, fmt, \
arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) \
if ((log)->log_level & level) \
ngx_log_debug_core(log, err, fmt, \
arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)
#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)
#define ngx_log_debug8(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \
arg6, arg7, arg8)
#endif
/*********************************/
ngx_log_t *ngx_log_init(u_char *prefix);
ngx_log_t *ngx_log_create(ngx_cycle_t *cycle, ngx_str_t *name);
char *ngx_log_set_levels(ngx_conf_t *cf, ngx_log_t *log);
void ngx_cdecl ngx_log_abort(ngx_err_t err, const char *fmt, ...);
void ngx_cdecl ngx_log_stderr(ngx_err_t err, const char *fmt, ...);
u_char *ngx_log_errno(u_char *buf, u_char *last, ngx_err_t err);
extern ngx_module_t ngx_errlog_module;
extern ngx_uint_t ngx_use_stderr;
#endif /* _NGX_LOG_H_INCLUDED_ */
|
