1 /* $OpenBSD$ */
2
3 /*
4 * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #include <zebra.h>
20
21 #include "ldpd.h"
22 #include "ldpe.h"
23 #include "lde.h"
24 #include "log.h"
25
26 #include <lib/log.h>
27
28 const char *log_procname;
29
30 void
logit(int pri,const char * fmt,...)31 logit(int pri, const char *fmt, ...)
32 {
33 va_list ap;
34
35 va_start(ap, fmt);
36 vlog(pri, fmt, ap);
37 va_end(ap);
38 }
39
40 void
vlog(int pri,const char * fmt,va_list ap)41 vlog(int pri, const char *fmt, va_list ap)
42 {
43 char buf[1024];
44
45 switch (ldpd_process) {
46 case PROC_LDE_ENGINE:
47 vsnprintf(buf, sizeof(buf), fmt, ap);
48 lde_imsg_compose_parent_sync(IMSG_LOG, pri, buf,
49 strlen(buf) + 1);
50 break;
51 case PROC_LDP_ENGINE:
52 vsnprintf(buf, sizeof(buf), fmt, ap);
53 ldpe_imsg_compose_parent_sync(IMSG_LOG, pri, buf,
54 strlen(buf) + 1);
55 break;
56 case PROC_MAIN:
57 vzlog(pri, fmt, ap);
58 break;
59 }
60 }
61
62 void
log_warn(const char * emsg,...)63 log_warn(const char *emsg, ...)
64 {
65 char *nfmt;
66 va_list ap;
67
68 /* best effort to even work in out of memory situations */
69 if (emsg == NULL)
70 logit(LOG_ERR, "%s", strerror(errno));
71 else {
72 va_start(ap, emsg);
73
74 if (asprintf(&nfmt, "%s: %s", emsg, strerror(errno)) == -1) {
75 /* we tried it... */
76 vlog(LOG_ERR, emsg, ap);
77 logit(LOG_ERR, "%s", strerror(errno));
78 } else {
79 vlog(LOG_ERR, nfmt, ap);
80 free(nfmt);
81 }
82 va_end(ap);
83 }
84 }
85
86 void
log_warnx(const char * emsg,...)87 log_warnx(const char *emsg, ...)
88 {
89 va_list ap;
90
91 va_start(ap, emsg);
92 vlog(LOG_ERR, emsg, ap);
93 va_end(ap);
94 }
95
96 void
log_info(const char * emsg,...)97 log_info(const char *emsg, ...)
98 {
99 va_list ap;
100
101 va_start(ap, emsg);
102 vlog(LOG_INFO, emsg, ap);
103 va_end(ap);
104 }
105
106 void
log_notice(const char * emsg,...)107 log_notice(const char *emsg, ...)
108 {
109 va_list ap;
110
111 va_start(ap, emsg);
112 vlog(LOG_NOTICE, emsg, ap);
113 va_end(ap);
114 }
115
116 void
log_debug(const char * emsg,...)117 log_debug(const char *emsg, ...)
118 {
119 va_list ap;
120
121 va_start(ap, emsg);
122 vlog(LOG_DEBUG, emsg, ap);
123 va_end(ap);
124 }
125
126 void
fatal(const char * emsg)127 fatal(const char *emsg)
128 {
129 if (emsg == NULL)
130 logit(LOG_CRIT, "fatal in %s: %s", log_procname,
131 strerror(errno));
132 else
133 if (errno)
134 logit(LOG_CRIT, "fatal in %s: %s: %s",
135 log_procname, emsg, strerror(errno));
136 else
137 logit(LOG_CRIT, "fatal in %s: %s",
138 log_procname, emsg);
139
140 exit(1);
141 }
142
143 void
fatalx(const char * emsg)144 fatalx(const char *emsg)
145 {
146 errno = 0;
147 fatal(emsg);
148 }
149