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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#include <stdio.h>
#include <netdb.h>
#include <stdarg.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <pthread.h>
#include <fcntl.h>
#define DEBUG_LEVEL 3
#define MSG_ERROR 0 // Errors
#define MSG_INFO 1 // Information which is generally useful to any user
#define MSG_DEBUG 2 // Information which is only useful to someone debugging
#define MSG_DEBUG_EXTRA 3 //
#ifdef NETCON_INTERCEPT
extern pthread_mutex_t loglock;
void print_addr(struct sockaddr *addr)
{
char *s = NULL;
switch(addr->sa_family) {
case AF_INET: {
struct sockaddr_in *addr_in = (struct sockaddr_in *)addr;
s = malloc(INET_ADDRSTRLEN);
inet_ntop(AF_INET, &(addr_in->sin_addr), s, INET_ADDRSTRLEN);
break;
}
case AF_INET6: {
struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr;
s = malloc(INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &(addr_in6->sin6_addr), s, INET6_ADDRSTRLEN);
break;
}
default:
break;
}
fprintf(stderr, "IP address: %s\n", s);
free(s);
}
#endif
#ifdef NETCON_SERVICE
namespace ZeroTier {
#endif
void dwr(int level, char *fmt, ... )
{
if(level > DEBUG_LEVEL)
return;
int saveerr;
saveerr = errno;
va_list ap;
va_start(ap, fmt);
#ifdef VERBOSE // So we can cut out some clutter in the strace output while debugging
char timestring[20];
time_t timestamp;
timestamp = time(NULL);
strftime(timestring, sizeof(timestring), "%H:%M:%S", localtime(×tamp));
pid_t pid = getpid();
fprintf(stderr, "%s [pid=%7d] ", timestring, pid);
#endif
vfprintf(stderr, fmt, ap);
fflush(stderr);
errno = saveerr;
va_end(ap);
}
#ifdef NETCON_SERVICE
}
#endif
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