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108 lines
3.1 KiB
108 lines
3.1 KiB
/* |
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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 <fcntl.h> |
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#include <sys/syscall.h> |
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#ifndef _COMMON_H |
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#define _COMMON_H 1 |
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#define DEBUG_LEVEL 0 |
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#define MSG_TRANSFER 1 // RX/TX specific statements |
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#define MSG_ERROR 2 // Errors |
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#define MSG_INFO 3 // Information which is generally useful to any user |
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#define MSG_DEBUG 4 // Information which is only useful to someone debugging |
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#define MSG_DEBUG_EXTRA 5 // If nothing in your world makes sense |
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#ifdef NETCON_INTERCEPT |
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void print_addr(struct sockaddr *addr) |
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{ |
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char *s = NULL; |
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switch(addr->sa_family) { |
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case AF_INET: { |
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struct sockaddr_in *addr_in = (struct sockaddr_in *)addr; |
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s = malloc(INET_ADDRSTRLEN); |
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inet_ntop(AF_INET, &(addr_in->sin_addr), s, INET_ADDRSTRLEN); |
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break; |
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} |
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case AF_INET6: { |
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struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr; |
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s = malloc(INET6_ADDRSTRLEN); |
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inet_ntop(AF_INET6, &(addr_in6->sin6_addr), s, INET6_ADDRSTRLEN); |
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break; |
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} |
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default: |
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break; |
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} |
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fprintf(stderr, "IP address: %s\n", s); |
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free(s); |
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} |
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#endif |
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#ifdef NETCON_SERVICE |
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namespace ZeroTier { |
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#endif |
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void dwr(int level, const char *fmt, ... ) |
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{ |
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if(level > DEBUG_LEVEL) |
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return; |
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int saveerr; |
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saveerr = errno; |
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va_list ap; |
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va_start(ap, fmt); |
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#ifdef VERBOSE // So we can cut out some clutter in the strace output while debugging |
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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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pid_t tid = syscall(SYS_gettid); |
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fprintf(stderr, "%s [tid=%7d] ", timestring, tid); |
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#endif |
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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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#ifdef NETCON_SERVICE |
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} |
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#endif |
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#endif
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