com.liferay.portal.kernel.nio.intraband.welder.socket.SocketWelder Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.nio.intraband.welder.socket;
import com.liferay.portal.kernel.nio.intraband.Intraband;
import com.liferay.portal.kernel.nio.intraband.RegistrationReference;
import com.liferay.portal.kernel.nio.intraband.welder.BaseWelder;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.InetAddressUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.PropsUtil;
import com.liferay.portal.kernel.util.SocketUtil;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
/**
* @author Shuyang Zhou
*/
public class SocketWelder extends BaseWelder {
public SocketWelder() throws IOException {
// Assignments have to stay in the constructor because we need to
// differentiate between a constructor created object and a
// deserialization created object. Only the constructor created object
// needs to assign values. The deserialization created object gets its
// values from the original object.
bufferSize = Configuration.bufferSize;
keepAlive = Configuration.keepAlive;
reuseAddress = Configuration.reuseAddress;
soLinger = Configuration.soLinger;
soTimeout = Configuration.soTimeout;
tcpNoDelay = Configuration.tcpNoDelay;
serverSocketChannel = SocketUtil.createServerSocketChannel(
InetAddressUtil.getLoopbackInetAddress(),
Configuration.serverStartPort,
new SocketWelderServerSocketConfigurator());
ServerSocket serverSocket = serverSocketChannel.socket();
serverPort = serverSocket.getLocalPort();
}
@Override
protected void doDestroy() throws IOException {
socketChannel.close();
}
@Override
protected RegistrationReference weldClient(Intraband intraband)
throws IOException {
socketChannel = SocketChannel.open();
_configureSocket(socketChannel.socket());
socketChannel.connect(
new InetSocketAddress(
InetAddressUtil.getLoopbackInetAddress(), serverPort));
return intraband.registerChannel(socketChannel);
}
@Override
protected RegistrationReference weldServer(Intraband intraband)
throws IOException {
socketChannel = serverSocketChannel.accept();
serverSocketChannel.close();
_configureSocket(socketChannel.socket());
return intraband.registerChannel(socketChannel);
}
protected final int bufferSize;
protected final boolean keepAlive;
protected final boolean reuseAddress;
protected final int serverPort;
protected final transient ServerSocketChannel serverSocketChannel;
protected transient SocketChannel socketChannel;
protected final int soLinger;
protected final int soTimeout;
protected final boolean tcpNoDelay;
protected static class Configuration {
protected static final int bufferSize = GetterUtil.getInteger(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_BUFFER_SIZE));
protected static final boolean keepAlive = GetterUtil.getBoolean(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_KEEP_ALIVE));
protected static final boolean reuseAddress = GetterUtil.getBoolean(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_REUSE_ADDRESS));
protected static final int serverStartPort = GetterUtil.getInteger(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_SERVER_START_PORT));
protected static final int soLinger = GetterUtil.getInteger(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_SO_LINGER));
protected static final int soTimeout = GetterUtil.getInteger(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_SO_TIMEOUT));
protected static final boolean tcpNoDelay = GetterUtil.getBoolean(
PropsUtil.get(PropsKeys.INTRABAND_WELDER_SOCKET_TCP_NO_DELAY));
}
protected class SocketWelderServerSocketConfigurator
implements SocketUtil.ServerSocketConfigurator {
@Override
public void configure(ServerSocket serverSocket)
throws SocketException {
serverSocket.setReceiveBufferSize(bufferSize);
serverSocket.setReuseAddress(reuseAddress);
serverSocket.setSoTimeout(soTimeout);
}
}
private void _configureSocket(Socket socket) throws SocketException {
socket.setKeepAlive(keepAlive);
socket.setReceiveBufferSize(bufferSize);
socket.setReuseAddress(reuseAddress);
socket.setSendBufferSize(bufferSize);
if (soLinger <= 0) {
socket.setSoLinger(false, soLinger);
}
else {
socket.setSoLinger(true, soLinger);
}
socket.setSoTimeout(soTimeout);
socket.setTcpNoDelay(tcpNoDelay);
}
}