TCPServerRouter.java

import java.io.*;
import java.net.*;

public class TCPServerRouter {
	public static int ind;

	public static void main(String[] args) throws IOException {
		Socket clientSocket = null; // socket for the thread
		Object[][] RoutingTable = new Object[10][2]; // routing table
		int SockNum = 5555; // port number
		Boolean Running = true;
		int ind = 0; // indext in the routing table

		// Accepting connections
		ServerSocket serverSocket = null; // server socket for accepting connections
		try {
			serverSocket = new ServerSocket(SockNum);
			System.out.println("ServerRouter is Listening on port: 5555.");
		} catch (IOException e) {
			System.err.println("Could not listen on port: 5555.");
			System.exit(1);
		}

		// Creating threads with accepted connections
		while (Running == true) {
			try {
				clientSocket = serverSocket.accept();
				SThread t = new SThread(RoutingTable, clientSocket, ind); // creates a thread with a random port
				t.start(); // starts the thread
				ind++; // increments the index
				System.out.println(
						"ServerRouter connected with Client/Server: " + clientSocket.getInetAddress().getHostAddress());
			} catch (IOException e) {
				System.err.println("Client/Server failed to connect.");
				System.exit(1);
			}

		} // end while

		// closing connections
		clientSocket.close();
		serverSocket.close();
	}
}