// Start the JDBC Socket server

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

public class JSStart {

    public static void main(String args[]) {
        ServerSocket serverSocket = null;

        try {
            serverSocket = new ServerSocket(9000);
	    System.out.println("JSStart listening on port 9000");
        } catch (IOException e) {
            System.out.println("Cannot listen on port: " + 9000 + ", " + e);
            System.exit(1);
        }

	while (true) {
            Socket clientSocket = null;

	    // wait for a client request
            try {
                clientSocket = serverSocket.accept();
            } catch (IOException e) {
                System.out.println("Accept failed: " + 9000 + ", " + e);
                break;
            }

	    // create a new thread for the client
	    JS js = new JS(clientSocket);
	    if (js == null) {
		try {
	            ObjectOutputStream os =
			new ObjectOutputStream(clientSocket.getOutputStream());
		    os.writeObject("error: Cannot open socket thread");
		    os.flush();
		    os.close();
		} catch (Exception ex) {
		    System.out.println("Cannot send error back to client:  9000, " + ex);
		}
	    }
	    else {
	        js.start();
	    }
        }

        try {
            System.out.println("Closing server socket.");
            serverSocket.close();
        } catch (IOException e) {
            System.err.println("Could not close server socket." + e.getMessage());
        }
    }
}