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comparison src/core/ngx_log.h @ 0:f0b350454894 NGINX_0_1_0

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nginx 0.1.0 *) The first public version.
author Igor Sysoev <http://sysoev.ru>
date Mon, 04 Oct 2004 00:00:00 +0400
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children 4b2dafa26fe2
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-1:000000000000 0:f0b350454894
1
2 /*
3 * Copyright (C) Igor Sysoev
4 */
5
6
7 #ifndef _NGX_LOG_H_INCLUDED_
8 #define _NGX_LOG_H_INCLUDED_
9
10
11 #include <ngx_config.h>
12 #include <ngx_core.h>
13
14
15 #define NGX_LOG_STDERR 0
16 #define NGX_LOG_EMERG 1
17 #define NGX_LOG_ALERT 2
18 #define NGX_LOG_CRIT 3
19 #define NGX_LOG_ERR 4
20 #define NGX_LOG_WARN 5
21 #define NGX_LOG_NOTICE 6
22 #define NGX_LOG_INFO 7
23 #define NGX_LOG_DEBUG 8
24
25 #define NGX_LOG_DEBUG_CORE 0x010
26 #define NGX_LOG_DEBUG_ALLOC 0x020
27 #define NGX_LOG_DEBUG_MUTEX 0x040
28 #define NGX_LOG_DEBUG_EVENT 0x080
29 #define NGX_LOG_DEBUG_HTTP 0x100
30 #define NGX_LOG_DEBUG_IMAP 0x200
31
32 /*
33 * do not forget to update debug_levels[] in src/core/ngx_log.c
34 * after the adding a new debug level
35 */
36
37 #define NGX_LOG_DEBUG_FIRST NGX_LOG_DEBUG_CORE
38 #define NGX_LOG_DEBUG_LAST NGX_LOG_DEBUG_IMAP
39 #define NGX_LOG_DEBUG_CONNECTION 0x80000000
40 #define NGX_LOG_DEBUG_ALL 0x7ffffff0
41
42
43 typedef size_t (*ngx_log_handler_pt) (void *ctx, char *buf, size_t len);
44
45
46 struct ngx_log_s {
47 ngx_uint_t log_level;
48 ngx_open_file_t *file;
49 void *data;
50 ngx_log_handler_pt handler;
51 };
52
53 #define MAX_ERROR_STR 2048
54
55
56 /*********************************/
57
58 #if (HAVE_GCC_VARIADIC_MACROS)
59
60 #define HAVE_VARIADIC_MACROS 1
61
62 #define ngx_log_error(level, log, args...) \
63 if (log->log_level >= level) ngx_log_error_core(level, log, args)
64
65 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
66 const char *fmt, ...);
67
68 /*********************************/
69
70 #elif (HAVE_C99_VARIADIC_MACROS)
71
72 #define HAVE_VARIADIC_MACROS 1
73
74 #define ngx_log_error(level, log, ...) \
75 if (log->log_level >= level) ngx_log_error_core(level, log, __VA_ARGS__)
76
77 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
78 const char *fmt, ...);
79
80 /*********************************/
81
82 #else /* NO VARIADIC MACROS */
83
84 #define HAVE_VARIADIC_MACROS 0
85
86 void ngx_log_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
87 const char *fmt, ...);
88 void ngx_log_error_core(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
89 const char *fmt, va_list args);
90 void ngx_log_debug_core(ngx_log_t *log, ngx_err_t err, const char *fmt, ...);
91 void ngx_assert_core(ngx_log_t *log, const char *fmt, ...);
92
93
94 #endif /* VARIADIC MACROS */
95
96
97 /*********************************/
98
99 #if (NGX_DEBUG)
100
101 #if (HAVE_VARIADIC_MACROS)
102
103 #define ngx_log_debug0(level, log, err, fmt) \
104 if (log->log_level & level) \
105 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt)
106
107 #define ngx_log_debug1(level, log, err, fmt, arg1) \
108 if (log->log_level & level) \
109 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1)
110
111 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \
112 if (log->log_level & level) \
113 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2)
114
115 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \
116 if (log->log_level & level) \
117 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3)
118
119 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \
120 if (log->log_level & level) \
121 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, arg1, arg2, arg3, arg4)
122
123 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \
124 if (log->log_level & level) \
125 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \
126 arg1, arg2, arg3, arg4, arg5)
127
128 #define ngx_log_debug6(level, log, err, fmt, \
129 arg1, arg2, arg3, arg4, arg5, arg6) \
130 if (log->log_level & level) \
131 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \
132 arg1, arg2, arg3, arg4, arg5, arg6)
133
134 #define ngx_log_debug7(level, log, err, fmt, \
135 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
136 if (log->log_level & level) \
137 ngx_log_error_core(NGX_LOG_DEBUG, log, err, fmt, \
138 arg1, arg2, arg3, arg4, arg5, arg6, arg7)
139
140 #else /* NO VARIADIC MACROS */
141
142 #define ngx_log_debug0(level, log, err, fmt) \
143 if (log->log_level & level) \
144 ngx_log_debug_core(log, err, fmt)
145
146 #define ngx_log_debug1(level, log, err, fmt, arg1) \
147 if (log->log_level & level) \
148 ngx_log_debug_core(log, err, fmt, arg1)
149
150 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2) \
151 if (log->log_level & level) \
152 ngx_log_debug_core(log, err, fmt, arg1, arg2)
153
154 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3) \
155 if (log->log_level & level) \
156 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3)
157
158 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4) \
159 if (log->log_level & level) \
160 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4)
161
162 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5) \
163 if (log->log_level & level) \
164 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5)
165
166 #define ngx_log_debug6(level, log, err, fmt, \
167 arg1, arg2, arg3, arg4, arg5, arg6) \
168 if (log->log_level & level) \
169 ngx_log_debug_core(log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6)
170
171 #define ngx_log_debug7(level, log, err, fmt, \
172 arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
173 if (log->log_level & level) \
174 ngx_log_debug_core(log, err, fmt, \
175 arg1, arg2, arg3, arg4, arg5, arg6, arg7)
176
177 #endif
178
179 #else /* NO NGX_DEBUG */
180
181 #define ngx_log_debug0(level, log, err, fmt)
182 #define ngx_log_debug1(level, log, err, fmt, arg1)
183 #define ngx_log_debug2(level, log, err, fmt, arg1, arg2)
184 #define ngx_log_debug3(level, log, err, fmt, arg1, arg2, arg3)
185 #define ngx_log_debug4(level, log, err, fmt, arg1, arg2, arg3, arg4)
186 #define ngx_log_debug5(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5)
187 #define ngx_log_debug6(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, arg6)
188 #define ngx_log_debug7(level, log, err, fmt, arg1, arg2, arg3, arg4, arg5, \
189 arg6, arg7)
190
191 #endif
192
193 /*********************************/
194
195 #define ngx_log_alloc_log(pool, log) ngx_palloc(pool, log, sizeof(ngx_log_t))
196 #define ngx_log_copy_log(new, old) ngx_memcpy(new, old, sizeof(ngx_log_t))
197
198 ngx_log_t *ngx_log_init_stderr();
199 #if 0
200 ngx_int_t ngx_log_init_error_log();
201 #endif
202 ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_array_t *args);
203 char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log);
204
205
206
207 extern ngx_module_t ngx_errlog_module;
208
209
210 #endif /* _NGX_LOG_H_INCLUDED_ */