All Downloads are FREE. Search and download functionalities are using the official Maven repository.

examples.nistgoodies.configlogger.Shootme Maven / Gradle / Ivy

There is a newer version: 1.3.0-91
Show newest version
package examples.nistgoodies.configlogger;

import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;
import java.util.*;

/**
 * This class is a UAS template.
 * 
 * @author M. Ranganathan
 */

public class Shootme implements SipListener {

	private static AddressFactory addressFactory;

	private static MessageFactory messageFactory;

	private static HeaderFactory headerFactory;

	private static SipStack sipStack;

	private static final String myAddress = "127.0.0.1";

	private static final int myPort = 5070;

	protected ServerTransaction inviteTid;

	private Response okResponse;

	private Request inviteRequest;

	private Dialog dialog;

	public static final boolean callerSendsBye = true;

	class MyTimerTask extends TimerTask {
		Shootme shootme;

		public MyTimerTask(Shootme shootme) {
			this.shootme = shootme;

		}

		public void run() {
			shootme.sendInviteOK();
		}

	}

	protected static final String usageString = "java "
			+ "examples.shootist.Shootist \n"
			+ ">>>> is your class path set to the root?";

	private static void usage() {
		System.out.println(usageString);
		System.exit(0);

	}

	public void processRequest(RequestEvent requestEvent) {
		Request request = requestEvent.getRequest();
		ServerTransaction serverTransactionId = requestEvent
				.getServerTransaction();

		System.out.println("\n\nRequest " + request.getMethod()
				+ " received at " + sipStack.getStackName()
				+ " with server transaction id " + serverTransactionId);

		if (request.getMethod().equals(Request.INVITE)) {
			processInvite(requestEvent, serverTransactionId);
		} else if (request.getMethod().equals(Request.ACK)) {
			processAck(requestEvent, serverTransactionId);
		} else if (request.getMethod().equals(Request.BYE)) {
			processBye(requestEvent, serverTransactionId);
		} else if (request.getMethod().equals(Request.CANCEL)) {
			processCancel(requestEvent, serverTransactionId);
		}

	}

	public void processResponse(ResponseEvent responseEvent) {
	}

	/**
	 * Process the ACK request. Send the bye and complete the call flow.
	 */
	public void processAck(RequestEvent requestEvent,
			ServerTransaction serverTransaction) {
		try {
			System.out.println("shootme: got an ACK! ");
			System.out.println("Dialog State = " + dialog.getState());
			SipProvider provider = (SipProvider) requestEvent.getSource();
			if (!callerSendsBye) {
				Request byeRequest = dialog.createRequest(Request.BYE);
				ClientTransaction ct = provider
						.getNewClientTransaction(byeRequest);
				dialog.sendRequest(ct);
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}

	}

	/**
	 * Process the invite request.
	 */
	public void processInvite(RequestEvent requestEvent,
			ServerTransaction serverTransaction) {
		SipProvider sipProvider = (SipProvider) requestEvent.getSource();
		Request request = requestEvent.getRequest();
		try {
			System.out.println("shootme: got an Invite sending Trying");
			// System.out.println("shootme: " + request);
			Response response = messageFactory.createResponse(Response.TRYING,
					request);
			ServerTransaction st = requestEvent.getServerTransaction();

			if (st == null) {
				st = sipProvider.getNewServerTransaction(request);
			}
			dialog = st.getDialog();

			st.sendResponse(response);

			this.okResponse = messageFactory.createResponse(Response.OK,
					request);
			Address address = addressFactory.createAddress("Shootme ");
			ContactHeader contactHeader = headerFactory
					.createContactHeader(address);
			response.addHeader(contactHeader);
			ToHeader toHeader = (ToHeader) okResponse.getHeader(ToHeader.NAME);
			toHeader.setTag("4321"); // Application is supposed to set.
			okResponse.addHeader(contactHeader);
			this.inviteTid = st;
			// Defer sending the OK to simulate the phone ringing.
			// Answered in 1 second ( this guy is fast at taking calls)
			this.inviteRequest = request;

			new Timer().schedule(new MyTimerTask(this), 1000);
		} catch (Exception ex) {
			ex.printStackTrace();
			System.exit(0);
		}
	}

	private void sendInviteOK() {
		try {
			if (inviteTid.getState() != TransactionState.COMPLETED) {
				System.out.println("shootme: Dialog state before 200: "
						+ inviteTid.getDialog().getState());
				inviteTid.sendResponse(okResponse);
				System.out.println("shootme: Dialog state after 200: "
						+ inviteTid.getDialog().getState());
			}
		} catch (SipException ex) {
			ex.printStackTrace();
		} catch (InvalidArgumentException ex) {
			ex.printStackTrace();
		}
	}

	/**
	 * Process the bye request.
	 */
	public void processBye(RequestEvent requestEvent,
			ServerTransaction serverTransactionId) {
		SipProvider sipProvider = (SipProvider) requestEvent.getSource();
		Request request = requestEvent.getRequest();
		Dialog dialog = requestEvent.getDialog();
		System.out.println("local party = " + dialog.getLocalParty());
		try {
			System.out.println("shootme:  got a bye sending OK.");
			Response response = messageFactory.createResponse(200, request);
			serverTransactionId.sendResponse(response);
			System.out.println("Dialog State is "
					+ serverTransactionId.getDialog().getState());

		} catch (Exception ex) {
			ex.printStackTrace();
			System.exit(0);

		}
	}

	public void processCancel(RequestEvent requestEvent,
			ServerTransaction serverTransactionId) {
		SipProvider sipProvider = (SipProvider) requestEvent.getSource();
		Request request = requestEvent.getRequest();
		try {
			System.out.println("shootme:  got a cancel.");
			if (serverTransactionId == null) {
				System.out.println("shootme:  null tid.");
				return;
			}
			Response response = messageFactory.createResponse(200, request);
			serverTransactionId.sendResponse(response);
			if (dialog.getState() != DialogState.CONFIRMED) {
				response = messageFactory.createResponse(
						Response.REQUEST_TERMINATED, inviteRequest);
				inviteTid.sendResponse(response);
			}

		} catch (Exception ex) {
			ex.printStackTrace();
			System.exit(0);

		}
	}

	public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
		Transaction transaction;
		if (timeoutEvent.isServerTransaction()) {
			transaction = timeoutEvent.getServerTransaction();
		} else {
			transaction = timeoutEvent.getClientTransaction();
		}
		System.out.println("state = " + transaction.getState());
		System.out.println("dialog = " + transaction.getDialog());
		System.out.println("dialogState = "
				+ transaction.getDialog().getState());
		System.out.println("Transaction Time out");
	}

	public void init() {
		SipFactory sipFactory = null;
		sipStack = null;
		sipFactory = SipFactory.getInstance();
		sipFactory.setPathName("gov.nist");
		Properties properties = new Properties();
		properties.setProperty("javax.sip.STACK_NAME", "shootme");
		// You need 16 for logging traces. 32 for debug + traces.
		// Your code will limp at 32 but it is best for debugging.
		properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "32");
		properties.setProperty("gov.nist.javax.sip.DEBUG_LOG",
				"shootmedebug.txt");
		properties.setProperty("gov.nist.javax.sip.SERVER_LOG",
				"shootmelog.txt");

		try {
			// Create SipStack object
			sipStack = sipFactory.createSipStack(properties);
			System.out.println("sipStack = " + sipStack);
		} catch (PeerUnavailableException e) {
			// could not find
			// gov.nist.jain.protocol.ip.sip.SipStackImpl
			// in the classpath
			e.printStackTrace();
			System.err.println(e.getMessage());
			if (e.getCause() != null)
				e.getCause().printStackTrace();
			System.exit(0);
		}

		try {
			headerFactory = sipFactory.createHeaderFactory();
			addressFactory = sipFactory.createAddressFactory();
			messageFactory = sipFactory.createMessageFactory();
			ListeningPoint lp = sipStack.createListeningPoint("127.0.0.1",
					myPort, "udp");

			Shootme listener = this;

			SipProvider sipProvider = sipStack.createSipProvider(lp);
			System.out.println("udp provider " + sipProvider);
			sipProvider.addSipListener(listener);

		} catch (Exception ex) {
			System.out.println(ex.getMessage());
			ex.printStackTrace();
			usage();
		}

	}

	public static void main(String args[]) {
		new Shootme().init();
	}

	public void processIOException(IOExceptionEvent exceptionEvent) {
		System.out.println("IOException");

	}

	public void processTransactionTerminated(
			TransactionTerminatedEvent transactionTerminatedEvent) {
		if (transactionTerminatedEvent.isServerTransaction())
			System.out.println("Transaction terminated event recieved"
					+ transactionTerminatedEvent.getServerTransaction());
		else
			System.out.println("Transaction terminated "
					+ transactionTerminatedEvent.getClientTransaction());

	}

	public void processDialogTerminated(
			DialogTerminatedEvent dialogTerminatedEvent) {
		System.out.println("Dialog terminated event recieved");
		Dialog d = dialogTerminatedEvent.getDialog();
		System.out.println("Local Party = " + d.getLocalParty());

	}

}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy