/*
* Copyright 2007 Sun Microsystems, Inc.
*
* This file is part of jVoiceBridge.
*
* jVoiceBridge is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation and distributed hereunder
* to you.
*
* jVoiceBridge 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 <http://www.gnu.org/licenses/>.
*
* Sun designates this particular file as subject to the "Classpath"
* exception as provided by Sun in the License file that accompanied this
* code.
*/
package com.sun.voip.server;
import com.sun.voip.Logger;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;
/**
* Receive Monitor
*
* Listen on a TCP socket for connections.
*
* Send receive statistics.
*/
public class ReceiveMonitor extends Thread {
public static final int RECEIVE_MONITOR_PORT = 7777;
private ServerSocket serverSocket;
public ReceiveMonitor() throws IOException {
Logger.init();
String s = System.getProperty("com.sun.voip.server.RECEIVE_MONITOR_PORT");
int port = RECEIVE_MONITOR_PORT;
if (s != null) {
try {
port = Integer.parseInt(s);
} catch (NumberFormatException e) {
Logger.println("Invalid ReceiveMonitor port: "
+ e.getMessage() + ". Defaulting to " + port);
}
}
serverSocket = new ServerSocket(port);
start();
}
public void run() {
while (true) {
Socket socket;
try {
socket = serverSocket.accept(); // wait for a connection
} catch (IOException e) {
Logger.println("accept failed: " + e.getMessage());
break;
}
InetAddress inetAddress = socket.getInetAddress();
String host;
try {
host = inetAddress.getHostName();
} catch (Exception e) {
host = inetAddress.toString();
}
Logger.println("New connection accepted from "
+ host + ":" + socket.getPort());
try {
new Monitor(socket);
} catch (IOException e) {
Logger.println("Unable to create Monitor: "
+ e.getMessage());
}
}
}
class Monitor extends Thread {
private Socket socket;
private BufferedReader reader;
private DataOutputStream output;
public Monitor(Socket socket) throws IOException {
this.socket = socket;
reader = new BufferedReader(
new InputStreamReader(socket.getInputStream()));
output = new DataOutputStream(socket.getOutputStream());
start();
}
public void run() {
String callId;
try {
callId = reader.readLine();
} catch (IOException e) {
Logger.error("unable to read line from " + socket
+ e.getMessage());
close();
return;
}
if (callId == null) {
close();
return;
}
CallHandler callHandler = CallHandler.findCall(callId);
if (callHandler == null) {
try {
Logger.println("Invalid callId: " + callId);
write("Invalid callId: " + callId);
} catch (IOException e) {
}
close();
return;
}
MemberReceiver memberReceiver =
callHandler.getMember().getMemberReceiver();
while (true) {
try {
Thread.sleep(500);
} catch (InterruptedException ie) {
}
String s;
try {
s = memberReceiver.getPerformanceData();
} catch (IOException e) {
try {
write("CallEnded");
} catch (IOException ee) {
}
break;
}
try {
write(s);
} catch (IOException e) {
break;
}
}
}
private void close() {
try {
socket.close();
} catch (IOException e) {
}
}
private void write(String s) throws IOException {
s += "\n";
try {
output.write(s.getBytes());
} catch (IOException e) {
Logger.error("unable to write to " + socket
+ e.getMessage());
close();
throw e;
}
}
}
}