com.esri.geoevent.test.performance.tcp.TcpEventProducer.java Source code

Introduction

Here is the source code for com.esri.geoevent.test.performance.tcp.TcpEventProducer.java

Source

/*
 Copyright 1995-2015 Esri
    
 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.
    
 For additional information, contact:
 Environmental Systems Research Institute, Inc.
 Attn: Contracts Dept
 380 New York Street
 Redlands, California, USA 92373
    
 email: contracts@esri.com
 */
package com.esri.geoevent.test.performance.tcp;

import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;

import org.apache.commons.io.IOUtils;

import com.esri.geoevent.test.performance.ImplMessages;
import com.esri.geoevent.test.performance.ProducerBase;
import com.esri.geoevent.test.performance.TestException;
import com.esri.geoevent.test.performance.jaxb.Config;

public class TcpEventProducer extends ProducerBase {

    private String host;
    private int port;
    private Socket socket;
    private OutputStream os;

    @Override
    public synchronized void init(Config config) throws TestException {
        super.init(config);
        try {
            host = config.getPropertyValue("hosts", "localhost");
            port = Integer.parseInt(config.getPropertyValue("port", "5565"));
            socket = new Socket(host, port);
            os = socket.getOutputStream();
        } catch (Throwable error) {
            throw new TestException(
                    ImplMessages.getMessage("INIT_FAILURE", getClass().getName(), error.getMessage()), error);
        }
    }

    @Override
    public void validate() throws TestException {
        super.validate();
        if (os == null) {
            throw new TestException(
                    "Socket connection is not established. Please initialize TcpEventProducer before it starts collecting diagnostics.");
        }
    }

    @Override
    public int sendEvents(int index, int numEventsToSend) {
        int eventIndex = index;
        for (int i = 0; i < numEventsToSend; i++) {
            if (eventIndex == events.size()) {
                eventIndex = 0;
            }
            try {
                String message = augmentMessage(events.get(eventIndex++));
                os.write(message.getBytes());
                os.flush();
                messageSent(message);
                if (running.get() == false) {
                    break;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return eventIndex;
    }

    @Override
    public void destroy() {
        super.destroy();

        IOUtils.closeQuietly(os);
        IOUtils.closeQuietly(socket);
        os = null;
        socket = null;
    }
}