/[svn]/ircd-hybrid/trunk/src/log.c
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Contents of /ircd-hybrid/trunk/src/log.c

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Revision 1831 - (show annotations)
Mon Apr 15 10:57:05 2013 UTC (7 years, 9 months ago) by michael
File MIME type: text/x-chdr
File size: 3209 byte(s)
- Forward-port -r1741 [Fixed logfiles not getting reopened on /rehash]

1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * log.c: Logger functions.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #include "stdinc.h"
26
27 #include "log.h"
28 #include "irc_string.h"
29 #include "ircd.h"
30 #include "conf.h"
31 #include "s_misc.h"
32
33
34 static struct {
35 char path[HYB_PATH_MAX + 1];
36 size_t size;
37 FILE *file;
38 } log_type_table[LOG_TYPE_LAST];
39
40
41 void
42 log_set_file(enum log_type type, size_t size, const char *path)
43 {
44 strlcpy(log_type_table[type].path, path, sizeof(log_type_table[type].path));
45 log_type_table[type].size = size;
46
47 if (type == LOG_TYPE_IRCD)
48 log_type_table[type].file = fopen(log_type_table[type].path, "a");
49 }
50
51 void
52 log_del_all(void)
53 {
54 unsigned int type = 0;
55
56 while (++type < LOG_TYPE_LAST)
57 log_type_table[type].path[0] = '\0';
58 }
59
60 void
61 log_reopen_all(void)
62 {
63 unsigned int type = 0;
64
65 while (++type < LOG_TYPE_LAST)
66 {
67 if (log_type_table[type].file)
68 {
69 fclose(log_type_table[type].file);
70 log_type_table[type].file = NULL;
71 }
72
73 if (log_type_table[type].path[0])
74 log_type_table[type].file = fopen(log_type_table[type].path, "a");
75 }
76 }
77
78 static int
79 log_exceed_size(unsigned int type)
80 {
81 struct stat sb;
82
83 if (!log_type_table[type].size)
84 return 0;
85
86 if (stat(log_type_table[type].path, &sb) < 0)
87 return -1;
88
89 return (size_t)sb.st_size > log_type_table[type].size;
90 }
91
92 static void
93 log_write(enum log_type type, const char *message)
94 {
95 char buf[IRCD_BUFSIZE];
96
97 strftime(buf, sizeof(buf), "[%FT%H:%M:%S%z]", localtime(&CurrentTime));
98
99 fprintf(log_type_table[type].file, "%s %s\n", buf, message);
100 fflush(log_type_table[type].file);
101 }
102
103 void
104 ilog(enum log_type type, const char *fmt, ...)
105 {
106 char buf[LOG_BUFSIZE];
107 va_list args;
108
109 if (!log_type_table[type].file || !ConfigLoggingEntry.use_logging)
110 return;
111
112 va_start(args, fmt);
113 vsnprintf(buf, sizeof(buf), fmt, args);
114 va_end(args);
115
116 log_write(type, buf);
117
118 if (log_exceed_size(type) <= 0)
119 return;
120
121 snprintf(buf, sizeof(buf), "Rotating logfile %s",
122 log_type_table[type].path);
123 log_write(type, buf);
124
125 fclose(log_type_table[type].file);
126 log_type_table[type].file = NULL;
127
128 snprintf(buf, sizeof(buf), "%s.old", log_type_table[type].path);
129 unlink(buf);
130 rename(log_type_table[type].path, buf);
131
132 log_set_file(type, log_type_table[type].size, log_type_table[type].path);
133 log_type_table[type].file = fopen(log_type_table[type].path, "a");
134 }

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