TCPServer.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.
*/
package org.apache.synapse.unittest;
import org.apache.log4j.Logger;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
/**
* Class is responsible for configurations of TCP connection.
*/
public class TCPServer {
private static Logger log = Logger.getLogger(UnitTestingExecutor.class.getName());
private ServerSocket serverSocket;
private boolean isUnitTestingOver = false;
/**
* Initializing TCP server for main unit testing server.
*/
public void initialize() {
//check unit test received port, if its null then set default port as 9008
String requestPort = System.getProperty("synapseTestPort");
if (requestPort == null || requestPort.isEmpty()) {
requestPort = "9008";
}
//check port for TCP server connection and initialized socket
try {
int unitTestingAgentPort = Integer.parseInt(requestPort);
serverSocket = new ServerSocket(unitTestingAgentPort);
log.info("Synapse unit testing agent has been established on port " + unitTestingAgentPort);
if (log.isDebugEnabled()) {
log.debug("Waiting for client request");
}
//allow for the client requests
acceptConnection();
} catch (NumberFormatException e) {
log.error("Given TCP port \"" + requestPort + "\" is not in valid format, " +
"failed to start unit testing framework", e);
} catch (IOException e) {
log.error("Error in initializing TCP connection in given port " + requestPort, e);
}
}
/**
* Create RequestHandler threads for load balancing.
*/
private void acceptConnection() throws IOException {
//start thread for shutdown hook
shutDown();
while (!isUnitTestingOver) {
Socket socket = serverSocket.accept();
RequestHandler requestHandler = new RequestHandler(socket);
Thread threadForClient = new Thread(requestHandler);
threadForClient.start();
}
}
/**
* Shut down unit testing framework
*/
private void shutDown() {
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
log.info("Shutting down unit testing framework");
isUnitTestingOver = true;
}
});
}
}