Added syslog udp.

1 files changed, 130 insertions, 0 deletions

diff --git a/debug_syslog.c b/debug_syslog.c
new file mode 100644
index 0000000..fb7ab2f
--- /dev/null
+++ b/debug_syslog.c
@@ -0,0 +1,130 @@
+/* -*- 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*/