// Logiscope Instrumentation function
// Copyright (c) Kalimetrix 2014

// This file is an example of Intrumentation function
// used socket solution to communicate with the 
// TestChecker Gateway (See TestChecker on line help 
// and documentation (<install_dir>\doc) to have more 
// information about the TestChecker Gateway).

package jv;


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

public class VlgInstrument
{
    static int Delay = 1000;	// Modify this attribute if your instrumented application 
				// is too slow or too speed.

    static Socket socket;
    static OutputStream output;
    static PrintWriter pw = null;
    static VlgInstrument me = new VlgInstrument();

    public VlgInstrument() {
        try {
            socket = new Socket("localhost", 6309);	// Change Hostname by your computer
							// name.

            output = socket.getOutputStream();
            pw = new PrintWriter(output);
            pw.print("N");
            pw.print('\n');
            pw.flush();
        }
        catch (UnknownHostException ue) {
            System.out.println("Unable to connect to host");
            socket = null;
            output = null;
            pw = null;
        }
        catch (IOException io) {
            socket = null;
            output = null;
            pw = null;
            System.out.println("Unable to initialize connection");
        }
    }
    protected synchronized void finalize() throws Throwable {
        if (pw == null) return;

        pw.flush();
        pw.close();
        pw = null;
        try {
            output.close();
        }
        catch ( IOException ie) {
        }
        output = null;
    }
    static protected synchronized void wait(int msec) {
	int i;
	for (i = 0; i < msec; i++);
    }
    static public synchronized void ddp1(String name, String date) {
        if (pw == null) return;
	wait(Delay);
        pw.print(1);
        pw.print('\n');
        pw.print(name);
        pw.print('\n');
        pw.print(date);
        pw.print('\n');

        pw.flush();
    }
    static public synchronized boolean cond(String name, boolean cond, int ddp_true, int ddp_false) {
        if (pw == null) return cond;
	wait(Delay);
        pw.print("X");
        pw.print('\n');
        pw.print(name);
        pw.print('\n');

        if(cond)
           pw.print(ddp_true);
        else
           pw.print(ddp_false);
        pw.print('\n');
        pw.flush();
        return  cond;
    }
    static public synchronized void ddp(String name, int ddp) {
        if (pw == null) return;
	wait(Delay);
        pw.print("X");
        pw.print('\n');
        pw.print(name);
        pw.print('\n');
        pw.print(ddp);
        pw.print('\n');
        pw.flush();
    }
}