src/main/cpp/socketappender.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
#if defined(_MSC_VER)
	#pragma warning ( disable: 4231 4251 4275 4786 )
#endif

#include <log4cxx/net/socketappender.h>
#include <log4cxx/helpers/loglog.h>
#include <log4cxx/helpers/optionconverter.h>
#include <log4cxx/helpers/stringhelper.h>
#include <log4cxx/spi/loggingevent.h>
#include <log4cxx/helpers/objectoutputstream.h>
#include <apr_time.h>
#include <apr_atomic.h>
#include <apr_thread_proc.h>
#include <log4cxx/helpers/socketoutputstream.h>

using namespace log4cxx;
using namespace log4cxx::helpers;
using namespace log4cxx::net;

IMPLEMENT_LOG4CXX_OBJECT(SocketAppender)


// The default port number of remote logging server (4560)
int SocketAppender::DEFAULT_PORT                = 4560;

// The default reconnection delay (30000 milliseconds or 30 seconds).
int SocketAppender::DEFAULT_RECONNECTION_DELAY  = 30000;

SocketAppender::SocketAppender()
	: SocketAppenderSkeleton(DEFAULT_PORT, DEFAULT_RECONNECTION_DELAY)
{
}

SocketAppender::SocketAppender(InetAddressPtr& address1, int port1)
	: SocketAppenderSkeleton(address1, port1, DEFAULT_RECONNECTION_DELAY)
{
	Pool p;
	activateOptions(p);
}

SocketAppender::SocketAppender(const LogString& host, int port1)
	: SocketAppenderSkeleton(host, port1, DEFAULT_RECONNECTION_DELAY)
{
	Pool p;
	activateOptions(p);
}

SocketAppender::~SocketAppender()
{
	finalize();
}

int SocketAppender::getDefaultDelay() const
{
	return DEFAULT_RECONNECTION_DELAY;
}

int SocketAppender::getDefaultPort() const
{
	return DEFAULT_PORT;
}

void SocketAppender::setSocket(log4cxx::helpers::SocketPtr& socket, Pool& p)
{
	log4cxx::unique_lock<log4cxx::shared_mutex> lock(mutex);

    SocketOutputStreamPtr sock = SocketOutputStreamPtr(new SocketOutputStream(socket));
    oos = ObjectOutputStreamPtr(new ObjectOutputStream(sock, p));
}

void SocketAppender::cleanUp(Pool& p)
{
	if (oos == 0)
	{
		return;
	}

	try
	{
		oos->close(p);
		oos = 0;
	}
	catch (std::exception&)
	{}
}

void SocketAppender::append(const spi::LoggingEventPtr& event, log4cxx::helpers::Pool& p)
{
	if (oos == 0)
	{
		return;
	}

	LogString ndcVal;
	event->getNDC(ndcVal);
	event->getThreadName();
	event->getMDCCopy();

	try
	{
		event->write(*oos, p);
		oos->reset(p);
	}
	catch (std::exception& e)
	{
		oos = 0;
		LogLog::warn(LOG4CXX_STR("Detected problem with connection: "), e);

		if (getReconnectionDelay() > 0)
		{
			fireConnector();
		}
	}
}