LOGGING: Add syslog log target

1 files changed, 72 insertions, 0 deletions

diff --git a/src/logging_syslog.c b/src/logging_syslog.c
new file mode 100644
index 00000000..b65e8196
--- /dev/null
+++ b/src/logging_syslog.c
@@ -0,0 +1,72 @@
+/* Syslog logging support code */
+
+/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include "../config.h"
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <syslog.h>
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#include <osmocore/talloc.h>
+#include <osmocore/utils.h>
+#include <osmocore/logging.h>
+
+static const int logp2syslog_level(unsigned int level)
+{
+	if (level >= LOGL_FATAL)
+		return LOG_CRIT;
+	else if (level >= LOGL_ERROR)
+		return LOG_ERR;
+	else if (level >= LOGL_NOTICE)
+		return LOG_NOTICE;
+	else if (level >= LOGL_INFO)
+		return LOG_INFO;
+	else
+		return LOG_DEBUG;
+}
+
+static void _syslog_output(struct log_target *target,
+			   unsigned int level, const char *log)
+{
+	syslog(logp2syslog_level(level), "%s", log);
+}
+
+struct log_target *log_target_create_syslog(const char *ident, int option,
+					    int facility)
+{
+	struct log_target *target;
+
+	target = log_target_create();
+	if (!target)
+		return NULL;
+
+	target->output = _syslog_output;
+
+	openlog(ident, option, facility);
+
+	return target;
+}