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package tesseract.objects.remote;
import java.awt.event.KeyEvent;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.HashMap;
import java.util.UUID;
public class RemoteObjectCommunicator implements Runnable {
private static final int BASE_PORT = 5551;
private ServerSocket mySocket;
private HashMap<UUID, Socket> mySockets;
private boolean myRunning;
public RemoteObjectCommunicator() {
mySockets = new HashMap<UUID, Socket>();
myRunning = false;
int port = BASE_PORT;
// Find an open port.
while (true) {
try {
mySocket = new ServerSocket(port);
myRunning = true;
break;
} catch (IOException e) {
port++;
} catch (Exception e) {
System.err.println(e);
return;
}
}
}
public void run() {
// Listen for connections
while (myRunning) {
try {
Socket s = mySocket.accept();
handleNewSocket(s);
} catch (IOException e) {
System.err.println(e);
}
}
}
public boolean sendKeyToObject(UUID id, KeyEvent event) {
Socket s = mySockets.get(id);
if (s != null && s.isConnected()) {
try {
DataOutputStream out = new DataOutputStream(s.getOutputStream());
out.writeInt(event.getKeyCode());
out.flush();
return true;
} catch (IOException e) {
mySockets.remove(id);
return false;
}
} else {
return false;
}
}
private void handleNewSocket(final Socket socket) {
try {
DataInputStream in = new DataInputStream(socket.getInputStream());
long msb = in.readLong();
long lsb = in.readLong();
UUID id = new UUID(msb, lsb);
mySockets.put(id, socket);
} catch (Exception e) {
System.err.println(e);
}
}
public int getPort() {
if (mySocket != null) {
return mySocket.getLocalPort();
} else {
return 0;
}
}
}
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