/**

 * WinPR: Windows Portable Runtime

 * WinPR Logger

 *

 * Copyright © 2015 Thincast Technologies GmbH

 * Copyright © 2015 David FORT <contact@hardening-consulting.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "SyslogAppender.h"

#include <syslog.h>

struct _wLogSyslogAppender

{

	WLOG_APPENDER_COMMON();

};

typedef struct _wLogSyslogAppender wLogSyslogAppender;

static int getSyslogLevel(DWORD level)

{

	switch (level)

	{

		case WLOG_TRACE:

		case WLOG_DEBUG:

			return LOG_DEBUG;

		case WLOG_INFO:

			return LOG_INFO;

		case WLOG_WARN:

			return LOG_WARNING;

		case WLOG_ERROR:

			return LOG_ERR;

		case WLOG_FATAL:

			return LOG_CRIT;

		case WLOG_OFF:

		default:

			return -1;

	}

}

static BOOL WLog_SyslogAppender_Open(wLog* log, wLogAppender* appender)

{

	if (!log || !appender)

		return FALSE;

	return TRUE;

}

static BOOL WLog_SyslogAppender_Close(wLog* log, wLogAppender* appender)

{

	if (!log || !appender)

		return FALSE;

	return TRUE;

}

static BOOL WLog_SyslogAppender_WriteMessage(wLog* log, wLogAppender* appender,

                                             wLogMessage* message)

{

	int syslogLevel;

	if (!log || !appender || !message)

		return FALSE;

	syslogLevel = getSyslogLevel(message->Level);

	if (syslogLevel >= 0)

		syslog(syslogLevel, "%s", message->TextString);

	return TRUE;

}

static BOOL WLog_SyslogAppender_WriteDataMessage(wLog* log, wLogAppender* appender,

                                                 wLogMessage* message)

{

	int syslogLevel;

	if (!log || !appender || !message)

		return FALSE;

	syslogLevel = getSyslogLevel(message->Level);

	if (syslogLevel >= 0)

		syslog(syslogLevel, "skipped data message of %d bytes", message->Length);

	return TRUE;

}

static BOOL WLog_SyslogAppender_WriteImageMessage(wLog* log, wLogAppender* appender,

                                                  wLogMessage* message)

{

	int syslogLevel;

	if (!log || !appender || !message)

		return FALSE;

	syslogLevel = getSyslogLevel(message->Level);

	if (syslogLevel >= 0)

		syslog(syslogLevel, "skipped image (%dx%dx%d)", message->ImageWidth, message->ImageHeight,

		       message->ImageBpp);

	return TRUE;

}

static void WLog_SyslogAppender_Free(wLogAppender* appender)

{

	free(appender);

}

wLogAppender* WLog_SyslogAppender_New(wLog* log)

{

	wLogSyslogAppender* appender;

	appender = (wLogSyslogAppender*)calloc(1, sizeof(wLogSyslogAppender));

	if (!appender)

		return NULL;

	appender->Type = WLOG_APPENDER_SYSLOG;

	appender->Open = WLog_SyslogAppender_Open;

	appender->Close = WLog_SyslogAppender_Close;

	appender->WriteMessage = WLog_SyslogAppender_WriteMessage;

	appender->WriteDataMessage = WLog_SyslogAppender_WriteDataMessage;

	appender->WriteImageMessage = WLog_SyslogAppender_WriteImageMessage;

	appender->Free = WLog_SyslogAppender_Free;

	return (wLogAppender*)appender;

}