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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* debug_syslog.c
*
* Fri Dec 7 14:24:54 CET 2012
* Copyright 2012 Jonas Suhr Christensen
* jsc@umbraculum.org
****************************************************************************/
/*
* This file is part of Debug Module.
*
* Debug Module 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 2 of the License, or
* (at your option) any later version.
*
* Debug Module 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 Debug Module; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "debug_syslog.h"
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <netinet/in.h>
#include <errno.h>
#define SYSLOG_MSGLEN 1024
#define SYSLOG_PRILEN 5
#define SYSLOG_TIMELEN 32
#define SYSLOG_TAGLEN 32
#define SYSLOG_CONTENTLEN SYSLOG_MSGLEN - SYSLOG_PRILEN - SYSLOG_TIMELEN - SYSLOG_TAGLEN
//#define SYSLOG_CONTENTLEN SYSLOG_MSGLEN - SYSLOG_PRILEN - SYSLOG_TAGLEN - SYSLOG_HEADERLEN -1
static int dbg_syslog_sock;
static struct sockaddr_in dbg_syslog_sockaddr;
void dbg_syslog_init(const char* host, int port)
{
printf("Initializing syslog module remote %s:%d\n", host, port);
if ( (dbg_syslog_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
fprintf(stderr, "Failed to create socket\n");
return;
}
memset(&dbg_syslog_sockaddr, 0, sizeof(dbg_syslog_sockaddr));
dbg_syslog_sockaddr.sin_family = AF_INET;
dbg_syslog_sockaddr.sin_addr.s_addr = inet_addr(host);
dbg_syslog_sockaddr.sin_port = htons(port);
}
void dbg_syslog_createheader() {
const time_t rawtime = time(NULL);
struct tm time;
localtime_r(&rawtime, &time);
char timebuf[256];
strftime(timebuf, 256, "%b %e %H:%M:%S ", &time);
char bufpri[SYSLOG_PRILEN] = "<20>";
char buftag[SYSLOG_TAGLEN] = "PROGRAM[PID]: ";
}
void dbg_syslog_output(char* msg)
{
if(dbg_syslog_sock < 0) return;
const time_t rawtime = time(NULL);
struct tm time;
localtime_r(&rawtime, &time);
char buftime[SYSLOG_TIMELEN];
strftime(buftime, SYSLOG_TIMELEN, "%b %e %H:%M:%S ", &time);
char bufpri[SYSLOG_PRILEN] = "<20>";
char buftag[SYSLOG_TAGLEN] = "PROGRAM[PID]: ";
char buf[SYSLOG_MSGLEN];
memset(buf, 0, sizeof(buf));
strncat(buf, bufpri, SYSLOG_PRILEN);
strncat(buf, buftime, SYSLOG_TIMELEN);
strncat(buf, buftag, SYSLOG_TAGLEN);
strncat(buf, msg, SYSLOG_CONTENTLEN);
strcat(buf, "\n");
printf("Sending to syslog: %s\n", buf);
int buf_len = strlen(buf);
if((sendto(dbg_syslog_sock, buf, buf_len, 0, (struct sockaddr *) &dbg_syslog_sockaddr,
sizeof(dbg_syslog_sockaddr))) != buf_len) {
fprintf(stderr, "Failed to send message successfully: %s\n", strerror(errno));
}
}
void dbg_syslog_close() {
printf("Closing syslog module\n");
if(dbg_syslog_sock < 0) return;
close(dbg_syslog_sock);
}
#ifdef TEST_DEBUG_SYSLOG
//Additional dependency files
//deps:
//Required cflags (autoconf vars may be used)
//cflags:
//Required link options (autoconf vars may be used)
//libs:
#include "test.h"
TEST_BEGIN;
// TODO: Put some testcode here (see test.h for usable macros).
TEST_TRUE(false, "No tests yet!");
TEST_END;
#endif/*TEST_DEBUG_SYSLOG*/
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