2 * Copyright (c) 1995-2000, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.24 2000-09-04 08:58:15 adam
8 * Added prefix yaz_ for most logging utility functions.
10 * Revision 1.23 2000/03/14 09:06:11 adam
11 * Added POSIX threads support for frontend server.
13 * Revision 1.22 2000/02/29 13:44:55 adam
14 * Check for config.h (currently not generated).
16 * Revision 1.21 2000/02/28 11:20:06 adam
17 * Using autoconf. New definitions: YAZ_BEGIN_CDECL/YAZ_END_CDECL.
19 * Revision 1.20 1999/11/30 13:47:12 adam
20 * Improved installation. Moved header files to include/yaz.
22 * Revision 1.19 1999/08/27 09:40:32 adam
23 * Renamed logf function to yaz_log. Removed VC++ project files.
25 * Revision 1.18 1998/10/28 10:27:00 adam
26 * New functions log_init_file, log_init_level, log_init_prefix.
28 * Revision 1.17 1997/12/09 16:11:02 adam
29 * Assume strerror is defined on Unixes as well. It's standard ANSI.
31 * Revision 1.16 1997/10/06 08:55:07 adam
32 * Changed log_init so that previous (if any) is closed.
34 * Revision 1.15 1997/09/29 07:13:13 adam
37 * Revision 1.14 1997/09/18 08:48:09 adam
38 * Fixed minor bug that caused log_init to ignore filename.
40 * Revision 1.13 1997/09/01 08:54:13 adam
41 * New windows NT/95 port using MSV5.0. Made prefix query handling
42 * thread safe. The function options ignores empty arguments when met.
44 * Revision 1.12 1997/05/01 15:08:14 adam
45 * Added log_mask_str_x routine.
47 * Revision 1.11 1996/02/05 12:24:32 adam
48 * Implemented log_event_{start,end}-functions.
50 * Revision 1.10 1995/12/06 09:51:27 quinn
51 * Fixed the log-prefix buffer - it was too small and the setup code lacked
54 * Revision 1.9 1995/09/29 17:12:34 quinn
57 * Revision 1.8 1995/09/27 15:03:02 quinn
58 * Modified function heads & prototypes.
60 * Revision 1.7 1995/06/19 12:40:18 quinn
63 * Revision 1.6 1995/06/15 15:45:03 quinn
66 * Revision 1.5 1995/05/16 08:51:11 quinn
67 * License, documentation, and memory fixes
69 * Revision 1.4 1995/05/15 11:56:55 quinn
70 * Debuggng & adjustments.
72 * Revision 1.3 1995/04/10 10:23:51 quinn
75 * Revision 1.2 1995/03/31 10:16:55 quinn
78 * Revision 1.1 1995/03/30 10:26:53 quinn
81 * Revision 1.9 1994/12/12 12:09:02 quinn
84 * Revision 1.8 1994/11/22 13:15:38 quinn
87 * Revision 1.7 1994/10/05 10:16:11 quinn
88 * Added xrealloc. Fixed bug in log.
90 * Revision 1.6 1994/10/04 14:02:19 quinn
93 * Revision 1.5 1994/09/28 13:07:41 adam
94 * Implemented log_mask_str.
96 * Revision 1.4 1994/09/27 20:04:13 quinn
99 * Revision 1.3 1994/08/18 08:18:48 quinn
100 * Added prefix to log_init.
102 * Revision 1.2 1994/08/17 14:27:53 quinn
105 * Revision 1.1 1994/08/17 13:23:15 quinn
124 #define HAS_STRERROR 1
129 char *strerror(int n)
131 extern char *sys_errlist[];
132 return sys_errlist[n];
137 static int l_level = LOG_DEFAULT_LEVEL;
138 static FILE *l_file = NULL;
139 static char l_prefix[512] = "log";
146 { LOG_FATAL, "fatal"},
147 { LOG_DEBUG, "debug"},
148 { LOG_WARN, "warn" },
156 FILE *yaz_log_file(void)
163 void yaz_log_init_file (const char *fname)
168 if (!fname || !*fname)
170 if (!(new_file = fopen(fname, "a")))
172 if (l_file != stderr)
176 setvbuf(new_file, 0, _IONBF, 0);
180 void yaz_log_init_level (int level)
185 void yaz_log_init_prefix (const char *prefix)
187 if (prefix && *prefix)
188 sprintf(l_prefix, "%.512s", prefix);
191 void yaz_log_init(int level, const char *prefix, const char *fname)
193 yaz_log_init_level (level);
194 yaz_log_init_prefix (prefix);
195 yaz_log_init_file (fname);
198 static void (*start_hook_func)(int, const char *, void *) = NULL;
199 static void *start_hook_info;
200 static void (*end_hook_func)(int, const char *, void *) = NULL;
201 static void *end_hook_info;
203 void log_event_start (void (*func)(int, const char *, void *), void *info)
205 start_hook_func = func;
206 start_hook_info = info;
209 void log_event_end (void (*func)(int, const char *, void *), void *info)
211 end_hook_func = func;
212 end_hook_info = info;
215 void yaz_log(int level, const char *fmt, ...)
218 char buf[4096], flags[1024];
225 if (!(level & l_level))
230 for (i = 0; level && mask_names[i].name; i++)
231 if (mask_names[i].mask & level)
233 if (*mask_names[i].name)
234 sprintf(flags + strlen(flags), "[%s]", mask_names[i].name);
235 level -= mask_names[i].mask;
239 vsnprintf(buf, sizeof(buf), fmt, ap);
241 vsprintf(buf, fmt, ap);
243 if (o_level & LOG_ERRNO)
244 sprintf(buf + strlen(buf), " [%s]", strerror(errno));
246 (*start_hook_func)(o_level, buf, start_hook_info);
248 tim = localtime(&ti);
249 strftime(tbuf, 50, "%H:%M:%S-%d/%m", tim);
250 fprintf(l_file, "%s: %s: %s %s\n", tbuf, l_prefix, flags, buf);
253 (*end_hook_func)(o_level, buf, end_hook_info);
256 int yaz_log_mask_str (const char *str)
258 return yaz_log_mask_str_x (str, LOG_DEFAULT_LEVEL);
261 int yaz_log_mask_str_x (const char *str, int level)
268 for (p = str; *p && *p != ','; p++)
270 if (*str == '-' || isdigit(*str))
273 for (i = 0; mask_names[i].name; i++)
274 if (strlen (mask_names[i].name) == (size_t) (p-str) &&
275 memcmp (mask_names[i].name, str, p-str) == 0)
277 if (mask_names[i].mask)
278 level |= mask_names[i].mask;