117 lines
3.9 KiB
Java
117 lines
3.9 KiB
Java
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-207 V2G Clarity (Dr.-Ing. Marc Mültin)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*******************************************************************************/
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package com.v2gclarity.risev2g.secc.transportLayer;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketException;
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public final class TCPServer extends StatefulTransportLayerServer {
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// Eager instantiation of the Singleton TCPClient.
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private static final TCPServer uniqueTCPServerInstance = new TCPServer();
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private Socket tcpClientSocket;
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private ServerSocket tcpServerSocket;
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private TCPServer() {}
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public static TCPServer getInstance() {
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return uniqueTCPServerInstance;
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}
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public boolean initialize() {
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super.initialize();
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try {
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setTcpServerSocket(new ServerSocket(getServerPort(), 50, getServerAddress()));
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getLogger().info("TCP server initialized at link-local address " +
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getTcpServerSocket().getInetAddress().getHostAddress() +
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" and port " + getTcpServerSocket().getLocalPort());
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} catch (IOException e) {
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getLogger().fatal("IOException while trying to initialize TCP server", e);
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return false;
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}
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return true;
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}
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@Override
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public void run() {
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try {
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while (!Thread.currentThread().isInterrupted()) {
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getLogger().info("Waiting for new TCP client connection ...");
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setTcpClientSocket(getTcpServerSocket().accept());
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getLogger().info("TCP client connection with IP address " +
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getTcpClientSocket().getInetAddress().getHostAddress() + " and port " +
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getTcpClientSocket().getPort());
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ConnectionHandler connectionHandler = new ConnectionHandler(tcpClientSocket);
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// Notify the V2GCommunicationSessionHandlerSECC about a newly connected TCP client Socket
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setChanged();
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notifyObservers(connectionHandler);
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}
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} catch (IOException e) {
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getLogger().error(e.getClass().getSimpleName() + " occurred while running TCP server");
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} finally {
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stop();
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}
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}
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@Override
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public void stop() {
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try {
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getLogger().debug("TCP server will be stopped now");
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getTcpServerSocket().close();
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} catch (SocketException e) {
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getLogger().debug("TCPServerSocket was still active and has been closed now", e);
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} catch (IOException e) {
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getLogger().error("Error occurred while trying to close TCPServerSocket (IOException)", e);
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}
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getLogger().debug("TCP server stopped");
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}
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public ServerSocket getTcpServerSocket() {
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return tcpServerSocket;
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}
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public void setTcpServerSocket(ServerSocket tcpServerSocket) {
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this.tcpServerSocket = tcpServerSocket;
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}
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public Socket getTcpClientSocket() {
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return tcpClientSocket;
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}
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public void setTcpClientSocket(Socket tcpClientSocket) {
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this.tcpClientSocket = tcpClientSocket;
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}
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} |