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/*
* Copyright (C) 2014 Pablo Campillo-Sanchez
*
* This software has been developed as part of the
* SociAAL project directed by Jorge J. Gomez Sanz
* (http://grasia.fdi.ucm.es/sociaal)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package phat.server.microphone;
import phat.sensors.Sensor;
import phat.sensors.SensorData;
import phat.sensors.SensorListener;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.logging.Level;
import java.util.logging.Logger;
import phat.mobile.servicemanager.server.ServiceManagerServer;
import phat.sensors.microphone.MicrophoneControl;
import phat.sensors.microphone.MicrophoneData;
import phat.server.TCPSensorServer;
import sim.android.media.service.AudioStreamDataPacket;
public class TCPAudioMicroServer implements SensorListener, TCPSensorServer {
protected ServerSocket serverSocket;
protected ObjectOutputStream oos;
private String ip;
private int port;
private Thread serverThread;
private Socket socket;
private boolean endServer = false;
MicrophoneControl mc;
public TCPAudioMicroServer(InetAddress ip, int port, MicrophoneControl mc) throws IOException {
this.ip = ip.getHostAddress();
this.port = port;
this.mc = mc;
serverSocket = new ServerSocket(port, 0, ip);
}
@Override
public String getIp() {
return ip;
}
@Override
public int getPort() {
return port;
}
@Override
public void start() {
serverThread = new Thread(new Runnable() {
@Override
public void run() {
try {
while (!endServer) {
try {
Socket socket = serverSocket.accept();
System.out.println("Nuevo Cliente: " + socket);
upClient(socket);
} catch (SocketException ex) {
if(!endServer) {
Logger.getLogger(TCPAudioMicroServer.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
} catch (IOException ex) {
Logger.getLogger(TCPAudioMicroServer.class.getName()).log(Level.SEVERE, null, ex);
socket = null;
oos = null;
}
}
});
serverThread.start();
}
private synchronized void upClient(Socket socket) {
this.socket = socket;
mc.add(this);
try {
this.oos = new ObjectOutputStream(socket.getOutputStream());
} catch (IOException ex) {
Logger.getLogger(TCPAudioMicroServer.class.getName()).log(Level.SEVERE, null, ex);
oos = null;
this.socket = null;
}
}
public boolean send(byte[] buffer, int offset, int numSamples, int numReadings) {
if (socket != null && socket.isConnected() && oos != null) {
try {
int totalSize = numSamples * numReadings;
byte[] data = new byte[totalSize];
System.arraycopy(buffer, offset, data, 0, totalSize);
AudioStreamDataPacket asdp = new AudioStreamDataPacket(data, numSamples, numReadings);
oos.writeObject(asdp);
oos.flush();
oos.reset();
} catch (IOException e1) {
Logger.getLogger(getClass().getSimpleName()).log(Level.SEVERE, null, e1);
socket = null;
oos = null;
return false;
}
return true;
}
return false;
}
@Override
public void stop() {
mc.remove(this);
try {
endServer = true;
serverSocket.close();
if (oos != null) {
oos.close();
oos = null;
}
if (socket != null) {
socket.close();
socket = null;
}
} catch (IOException e1) {
Logger.getLogger(getClass().getSimpleName()).log(Level.SEVERE, null, e1);
}
}
@Override
public void update(Sensor source, SensorData sd) {
if (socket == null || oos == null) {
return;
}
if (sd instanceof MicrophoneData) {
MicrophoneData microphoneData = (MicrophoneData) sd;
if (socket != null && socket.isConnected() && oos != null) {
try {
int totalSize = microphoneData.getData().length;
int numSamples = microphoneData.getAudioFormat().getSampleSizeInBits();
byte[] data = new byte[totalSize];
System.arraycopy(microphoneData.getData(), 0, data, 0, totalSize);
AudioStreamDataPacket asdp = new AudioStreamDataPacket(data, numSamples, totalSize / numSamples);
oos.writeObject(asdp);
oos.flush();
oos.reset();
} catch (IOException e1) {
Logger.getLogger(getClass().getSimpleName()).log(Level.SEVERE, null, e1);
socket = null;
oos = null;
return;
}
}
}
}
@Override
public void cleanUp() {
stop();
}
}
