yoloyolo

package no.ntnu.item.ttm4133.lab2;

// You should use javax.servlet namespace for most SIP-related classes
import java.io.IOException;

import javax.servlet.sip.Proxy;
import javax.servlet.sip.SipFactory;
import javax.servlet.sip.SipServlet;
import javax.servlet.sip.SipServletRequest;
import javax.servlet.sip.SipURI;
import javax.servlet.sip.TooManyHopsException;

@SuppressWarnings("serial")
public class CallerPref extends SipServlet {

	int count;
	long time1;
	long time2;
	boolean available=true;

	@Override
	public void doInvite(SipServletRequest request) throws IOException {
		// get the "from" address
		String from = request.getFrom().getValue();
		String to = request.getTo().getValue();


		SipFactory sf = (SipFactory)getServletContext().getAttribute("javax.servlet.sip.SipFactory");


		try {
			// get the SIP proxy
			Proxy proxy = request.getProxy();

			// useful utility object that can be used to create SIP URIs


			// write code...
			SipURI charlieW = sf.createSipURI("99005001","open-ims.test");
			SipURI charlieH = sf.createSipURI("99005002","open-ims.test");

			if (to.contains("sip:99005000@open-ims.test")){
				count +=1;
				if (count == 1) {
					time1 = System.currentTimeMillis();
					System.out.print("time1 is now: " + time1);
				} else if (count== 2) {
					time2 = System.currentTimeMillis();
					System.out.print("time2 is now: " + time2);
				}

				if (from.contains("sip:44001000@open-ims.test")) {
					if (available) {
						request.setRequestURI(charlieW);
						request.setHeader("to","sip:99005001@open-ims.test");
						proxy.proxyTo(charlieW);
						if (count>0){
							count=0;}
					} else if (available==false && (count ==2) && (Math.abs(time1 - time2) <= 30000)){
						System.out.print("current time: " + (Math.abs(time1-time2)));
						request.setRequestURI(charlieH);
						request.setHeader("to","sip:99005002@open-ims.test");
						proxy.proxyTo(charlieH);

					if (count>0){
						count=0;}}
				}
				else if ((time2-time1) > 30000 && count ==2){
					time1 = System.currentTimeMillis();
					count=1;
				}
				else {
					request.setRequestURI(charlieH);
					request.setHeader("to","sip:99005002@open-ims.test");
					proxy.proxyTo(charlieH);
				}
				}



				System.out.println(request.getTo().getValue());


		} catch (TooManyHopsException e) {
			e.printStackTrace();
		}
	}

	public void doPublish(SipServletRequest request) throws IOException {

		// request.getRawContent() can be used to extract the content part of the SIP message
		String content = new String(request.getRawContent(), "UTF-8");
		System.out.print("#########################################################");
		System.out.print("publishing");
		if( content.contains("unavailable") || content.contains("Unavailable"))
		{
			System.out.print("***********************************************");
			available = false;

		} else { available = true; }

	}


}