mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-20 05:28:01 +00:00
131 lines
3.1 KiB
C
Executable File
131 lines
3.1 KiB
C
Executable File
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2015 ZeroTier, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* ZeroTier may be used and distributed under the terms of the GPLv3, which
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html
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*
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* If you would like to embed ZeroTier into a commercial application or
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* redistribute it in a modified binary form, please contact ZeroTier Networks
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* LLC. Start here: http://www.zerotier.com/
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*/
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#include <stdio.h>
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#include <netdb.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#include "common.h"
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void dwr(const char *fmt, ...);
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/* defined in intercept and service */
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extern FILE* logfile;
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extern char* logfilename;
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//extern flog = -1;
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extern pthread_mutex_t loglock;
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#ifdef NETCON_SERVICE
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void dwr(int, const char *fmt, ...);
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void dwr(const char *fmt, ...)
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{
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int saveerr;
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va_list ap;
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va_start(ap, fmt);
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saveerr = errno;
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dwr(-1, fmt, ap);
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errno = saveerr;
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va_end(ap);
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}
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void dwr(int pid, const char *fmt, ...)
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#endif
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#ifdef NETCON_INTERCEPT
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void dwr(const char *fmt, ...)
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#endif
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{
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va_list ap;
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int saveerr;
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char timestring[20];
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time_t timestamp;
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timestamp = time(NULL);
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strftime(timestring, sizeof(timestring), "%H:%M:%S", localtime(×tamp));
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if(logfile)
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fprintf(logfile, "%s ", timestring);
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fprintf(stderr, "%s ", timestring);
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#ifdef NETCON_SERVICE
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if(ns != NULL)
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{
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size_t num_intercepts = ns->intercepts.size();
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size_t num_connections = ns->connections.size();
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if(logfile)
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fprintf(logfile, "[i/c/tid=%3lu|%3lu|%7d]", num_intercepts, num_connections, pid);
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fprintf(stderr, "[i/c/tid=%3lu|%3lu|%7d]", num_intercepts, num_connections, pid);
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}
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else {
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if(logfile)
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fprintf(logfile, "[i/c/tid=%3d|%3d|%7d]", 0, 0, -1);
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fprintf(stderr, "[i/c/tid=%3d|%3d|%7d]", 0, 0, -1);
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}
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#endif
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#ifdef NETCON_INTERCEPT
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//pthread_mutex_lock(&loglock);
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int pid = getpid();
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if(logfile)
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fprintf(logfile, "[tid=%7d]", pid);
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fprintf(stderr, "[tid=%7d]", pid);
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//pthread_mutex_unlock(&loglock);
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#endif
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if(logfile)
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fputs(" ", logfile);
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fputs(" ", stderr);
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/* logfile */
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va_start(ap, fmt);
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saveerr = errno;
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if(logfile){
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vfprintf(logfile, fmt, ap);
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fflush(logfile);
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}
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va_end(ap);
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/* console */
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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fflush(stderr);
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errno = saveerr;
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va_end(ap);
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}
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