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/* Copyright (C) 2006-2010 Joan Queralt Molina
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
package biogenesis;
import java.net.*;
import java.io.*;
public class NetSend extends Thread {
protected Connection connection;
protected int message;
protected GeneticCode geneticCode;
private int netCode;
private int port;
private int answerMessage;
private ObjectOutputStream oos;
private ObjectInputStream ois;
private Socket socket;
private InetAddress address;
public NetSend(Connection c, int m, GeneticCode g) {
connection = c;
message = m;
geneticCode = g;
}
@Override
public void run() {
address = connection.remoteAddress;
port = connection.remotePort;
netCode = connection.netCode;
try {
socket = new Socket(address,port);
oos = new ObjectOutputStream(socket.getOutputStream());
ois = new ObjectInputStream(socket.getInputStream());
System.out.println("->"+NetServerThread.messageToString(message)); //$NON-NLS-1$
switch (message) {
case NetServerThread.CONNECT:
handleConnect();
break;
case NetServerThread.SEND_CODE:
handleSendCode();
break;
case NetServerThread.KEEP_ALIVE:
handleKeepAlive();
break;
case NetServerThread.DISCONNECT:
handleDisconnect();
break;
}
socket.close();
} catch (ConnectException e) {
connection.setState(Connection.STATE_DISCONNECTED);
System.out.println("NetSend, ConnectException: "+e.getMessage()); //$NON-NLS-1$
System.out.println("Connection closed with "+connection.remoteAddress+":"+connection.remotePort); //$NON-NLS-1$//$NON-NLS-2$
} catch (UnknownHostException e) {
connection.setState(Connection.STATE_DISCONNECTED);
System.out.println("NetSend, UnknownHostException: "+e.getMessage()); //$NON-NLS-1$
System.out.println("Connection closed with "+connection.remoteAddress+":"+connection.remotePort); //$NON-NLS-1$//$NON-NLS-2$
} catch (IOException e) {
connection.setState(Connection.STATE_DISCONNECTED);
System.out.println("NetSend, IOException: "+e.getMessage()); //$NON-NLS-1$
System.out.println("Connection closed with "+connection.remoteAddress+":"+connection.remotePort); //$NON-NLS-1$//$NON-NLS-2$
} finally {
if (oos != null) {
try {
oos.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
if (ois != null) {
try {
ois.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}
}
private void handleConnect() throws ConnectException, IOException, UnknownHostException {
System.out.println("----- Connecting..."); //$NON-NLS-1$
// Try to connect
oos.writeInt(message);
oos.writeInt(Utils.VERSION);
oos.writeInt(Utils.LOCAL_PORT);
oos.writeInt(netCode);
oos.flush();
answerMessage = ois.readInt();
System.out.println(NetServerThread.messageToString(answerMessage));
switch (answerMessage) {
case NetServerThread.CONNECTED:
// Connection successful
connection.setState(Connection.STATE_CONNECTED);
break;
case NetServerThread.ALREADY_CONNECTED:
connection.setState(Connection.STATE_CONNECTED);
break;
default:
connection.setState(Connection.STATE_DISCONNECTED);
break;
}
}
private void handleSendCode() throws ConnectException, IOException, UnknownHostException {
System.out.println("----- Sending code..."); //$NON-NLS-1$
oos.writeInt(message);
oos.writeInt(netCode);
oos.flush();
answerMessage = ois.readInt();
System.out.println(NetServerThread.messageToString(answerMessage));
switch (answerMessage) {
case NetServerThread.WAITING_CODE:
oos.writeObject(geneticCode);
System.out.println("->Genetic code"); //$NON-NLS-1$
answerMessage = ois.readInt();
System.out.println(NetServerThread.messageToString(answerMessage));
if (answerMessage == NetServerThread.CODE_RECEIVED) {
connection.resetTime();
}
break;
case NetServerThread.NOT_CONNECTED:
connection.setState(Connection.STATE_DISCONNECTED);
break;
case NetServerThread.TOO_MANY_CODES:
break;
default:
connection.setState(Connection.STATE_DISCONNECTED);
break;
}
}
private void handleKeepAlive() throws ConnectException, IOException, UnknownHostException {
System.out.println("----- Checking remote server..."); //$NON-NLS-1$
oos.writeInt(message);
oos.writeInt(netCode);
oos.flush();
answerMessage = ois.readInt();
System.out.println(NetServerThread.messageToString(answerMessage));
switch (answerMessage) {
case NetServerThread.ACK_KEEP_ALIVE:
connection.resetTime();
break;
default:
connection.setState(Connection.STATE_DISCONNECTED);
break;
}
}
private void handleDisconnect() throws ConnectException, IOException, UnknownHostException {
System.out.println("----- Disconnecting..."); //$NON-NLS-1$
oos.writeInt(message);
oos.writeInt(netCode);
oos.flush();
answerMessage = ois.readInt();
System.out.println(NetServerThread.messageToString(answerMessage));
connection.setState(Connection.STATE_DISCONNECTED);
}
}
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