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/* $NetBSD: ldp_errors.c,v 1.4 2013/07/16 02:54:32 kefren Exp $ */
/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Mihai Chelaru <kefren@NetBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arpa/inet.h>
#include <netmpls/mpls.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include "ldp.h"
#include "ldp_errors.h"
int debug_f = 0, warn_f = 0, syslog_f = 0;
static void do_syslog(int, const char*, va_list) __printflike(2, 0);
static char satos_str[INET6_ADDRSTRLEN > INET_ADDRSTRLEN ? INET6_ADDRSTRLEN :
INET_ADDRSTRLEN];
static char *mpls_ntoa(const struct sockaddr_mpls *smpls);
void
debugp(const char *fmt, ...)
{
va_list va;
if (!debug_f)
return;
va_start(va, fmt);
if (syslog_f)
do_syslog(LOG_DEBUG, fmt, va);
else
vprintf(fmt, va);
va_end(va);
}
void
warnp(const char *fmt, ...)
{
va_list va;
if (!debug_f && !warn_f)
return;
va_start(va, fmt);
if (syslog_f)
do_syslog(LOG_WARNING, fmt, va);
else
vprintf(fmt, va);
va_end(va);
}
void
fatalp(const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
if (syslog_f)
do_syslog(LOG_ERR, fmt, va);
else
vprintf(fmt, va);
va_end(va);
}
static void
do_syslog(int prio, const char *fmt, va_list va)
{
vsyslog(prio, fmt, va);
}
void
printtime()
{
time_t t;
char buf[26];
int i;
time(&t);
ctime_r(&t, buf);
for (i = 0; (i < 26 && buf[i] != 0); i++)
if (buf[i] == '\n')
buf[i] = 0;
printf("%s ", buf);
}
const char *
satos(const struct sockaddr *sa)
{
switch (sa->sa_family) {
case AF_INET:
{
const struct sockaddr_in *sin =
(const struct sockaddr_in *)sa;
if (inet_ntop(AF_INET, &(sin->sin_addr), satos_str,
sizeof(satos_str)) == NULL)
return "INET ERROR";
break;
}
case AF_INET6:
{
const struct sockaddr_in6 *sin6 =
(const struct sockaddr_in6 *)sa;
if (inet_ntop(AF_INET6, &(sin6->sin6_addr), satos_str,
sizeof(satos_str)) == NULL)
return "INET6 ERROR";
break;
}
case AF_LINK:
{
strlcpy(satos_str,
link_ntoa((const struct sockaddr_dl *)sa),
sizeof(satos_str));
break;
}
case AF_MPLS:
{
strlcpy(satos_str,
mpls_ntoa((const struct sockaddr_mpls *)sa),
sizeof(satos_str));
break;
}
default:
return "UNKNOWN AF";
}
return satos_str;
}
static char *
mpls_ntoa(const struct sockaddr_mpls *smpls)
{
static char ret[10];
union mpls_shim ms2;
ms2.s_addr = ntohl(smpls->smpls_addr.s_addr);
snprintf(ret, sizeof(ret), "%d", ms2.shim.label);
return ret;
}
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