package examples.cancel;
import javax.sip.*;
import javax.sip.address.*;
import javax.sip.header.*;
import javax.sip.message.*;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Logger;
import org.apache.log4j.SimpleLayout;
import java.util.*;
import junit.framework.TestCase;
/**
* This class is a UAC template. Shootist is the guy that shoots and shootme is
* the guy that gets shot.
*
* @author M. Ranganathan
*/
public class Shootist extends TestCase implements SipListener {
private SipProvider sipProvider;
private ContactHeader contactHeader;
private ListeningPoint listeningPoint;
private static String transport = "udp";
private static String host = "127.0.0.1";
private static int port = 5060;
private static String peerHost = "127.0.0.1";
private static int peerPort = 5070;
private ClientTransaction inviteTid;
private static String unexpectedException = "Unexpected Exception ";
private Dialog dialog;
public static boolean sendDelayedCancel = false;
private boolean cancelSent;
private boolean cancelOKReceived;
private boolean byeSent;
private boolean byeOkReceived;
private boolean requestTerminated;
private static Logger logger = Logger.getLogger(Shootist.class);
public void processRequest(RequestEvent requestReceivedEvent) {
Request request = requestReceivedEvent.getRequest();
ServerTransaction serverTransactionId = requestReceivedEvent
.getServerTransaction();
logger.info("\n\nRequest " + request.getMethod()
+ " received at " + ProtocolObjects.sipStack.getStackName()
+ " with server transaction id " + serverTransactionId);
// We are the UAC so the only request we get is the BYE.
SipProvider provider = (SipProvider) requestReceivedEvent.getSource();
if (request.getMethod().equals(Request.BYE))
processBye(provider, request, serverTransactionId);
}
public void processBye(SipProvider provider, Request request,
ServerTransaction serverTransactionId) {
try {
logger.info("shootist: got a bye .");
/*
* if (serverTransactionId == null) { serverTransactionId =
* provider.getNewServerTransaction(request); }
*/
Response response = ProtocolObjects.messageFactory.createResponse(
200, request);
provider.sendResponse(response);
// serverTransactionId.sendResponse(response);
logger.info("shootist: Sending OK.");
if (serverTransactionId != null) {
// NULL can happen if the bye arrives late.
Dialog dialog = serverTransactionId.getDialog();
logger.info("Dialog State = " + dialog.getState());
}
} catch (Exception ex) {
logger.error(unexpectedException,ex);
fail(unexpectedException);
}
}
public void processResponse(ResponseEvent responseReceivedEvent) {
logger.info("Got a response");
Response response = (Response) responseReceivedEvent.getResponse();
ClientTransaction tid = responseReceivedEvent.getClientTransaction();
CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
logger.info("Response received : Status Code = "
+ response.getStatusCode() + " " + cseq);
if (tid == null) {
logger.info("Stray response -- dropping ");
return;
}
logger.info("transaction state is " + tid.getState());
logger.info("Dialog = " + tid.getDialog());
logger.info("Dialog State is " + tid.getDialog().getState());
try {
if (response.getStatusCode() == Response.OK) {
if (cseq.getMethod().equals(Request.INVITE)) {
if (!sendDelayedCancel) fail("Should not see OK for the Invite");
// Got the OK for the invite. If Send Cancel was delayed.
Request ackRequest = dialog.createAck( cseq.getSeqNumber() );
logger.info("Sending ACK");
dialog.sendAck(ackRequest);
Request byeRequest = dialog.createRequest(Request.BYE);
dialog.sendRequest(sipProvider.getNewClientTransaction(byeRequest));
this.byeSent = true;
} else if (cseq.getMethod().equals(Request.CANCEL)) {
this.cancelOKReceived = true;
if (dialog.getState() == DialogState.CONFIRMED) {
// oops cancel went in too late. Need to hang up the
// dialog.
logger.info("Sending BYE -- cancel went in too late !!");
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction ct = sipProvider
.getNewClientTransaction(byeRequest);
dialog.sendRequest(ct);
assertTrue(dialog.getState().equals(DialogState.TERMINATED));
}
} else if (cseq.getMethod().equals(Request.BYE)) {
this.byeOkReceived = true;
}
} else if (response.getStatusCode() == Response.RINGING) {
// Cancel the invite.
if (!cancelSent) {
if (! sendDelayedCancel)
sendCancel();
}
} else if (response.getStatusCode() == Response.REQUEST_TERMINATED) {
assertTrue(cseq.getMethod().equals(Request.INVITE));
this.requestTerminated = true;
}
} catch (Exception ex) {
logger.error(unexpectedException, ex);
fail(unexpectedException);
}
}
public void checkState() {
if ( sendDelayedCancel )
assertTrue( byeSent && byeOkReceived ) ;
else
assertTrue(cancelSent && cancelOKReceived && requestTerminated) ;
}
public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
logger.info("Transaction Time out");
fail("unexpected timeout");
}
private void sendCancel() {
try {
logger.info("Sending cancel");
Request cancelRequest = inviteTid.createCancel();
ClientTransaction cancelTid = sipProvider
.getNewClientTransaction(cancelRequest);
cancelTid.sendRequest();
cancelSent = true;
} catch (Exception ex) {
ex.printStackTrace();
logger.error(unexpectedException, ex);
fail(unexpectedException);
}
}
public SipProvider createSipProvider() {
try {
listeningPoint = ProtocolObjects.sipStack.createListeningPoint(
host, port, transport);
sipProvider = ProtocolObjects.sipStack
.createSipProvider(listeningPoint);
return sipProvider;
} catch (Exception ex) {
logger.error(unexpectedException, ex);
fail(unexpectedException);
return null;
}
}
public void sendInvite() {
try {
String fromName = "BigGuy";
String fromSipAddress = "here.com";
String fromDisplayName = "The Master Blaster";
String toSipAddress = "there.com";
String toUser = "LittleGuy";
String toDisplayName = "The Little Blister";
// create >From Header
SipURI fromAddress = ProtocolObjects.addressFactory.createSipURI(
fromName, fromSipAddress);
Address fromNameAddress = ProtocolObjects.addressFactory
.createAddress(fromAddress);
fromNameAddress.setDisplayName(fromDisplayName);
FromHeader fromHeader = ProtocolObjects.headerFactory
.createFromHeader(fromNameAddress, "12345");
// create To Header
SipURI toAddress = ProtocolObjects.addressFactory.createSipURI(
toUser, toSipAddress);
Address toNameAddress = ProtocolObjects.addressFactory
.createAddress(toAddress);
toNameAddress.setDisplayName(toDisplayName);
ToHeader toHeader = ProtocolObjects.headerFactory.createToHeader(
toNameAddress, null);
// create Request URI
String peerHostPort = peerHost + ":" + peerPort;
SipURI requestURI = ProtocolObjects.addressFactory.createSipURI(
toUser, peerHostPort);
// Create ViaHeaders
ArrayList viaHeaders = new ArrayList();
ViaHeader viaHeader = ProtocolObjects.headerFactory
.createViaHeader(host, sipProvider.getListeningPoint(
transport).getPort(), transport, null);
// add via headers
viaHeaders.add(viaHeader);
SipURI sipuri = ProtocolObjects.addressFactory.createSipURI(null,
host);
sipuri.setPort(peerPort);
sipuri.setLrParam();
RouteHeader routeHeader = ProtocolObjects.headerFactory
.createRouteHeader(ProtocolObjects.addressFactory
.createAddress(sipuri));
// Create ContentTypeHeader
ContentTypeHeader contentTypeHeader = ProtocolObjects.headerFactory
.createContentTypeHeader("application", "sdp");
// Create a new CallId header
CallIdHeader callIdHeader = sipProvider.getNewCallId();
// Create a new Cseq header
CSeqHeader cSeqHeader = ProtocolObjects.headerFactory
.createCSeqHeader(1L, Request.INVITE);
// Create a new MaxForwardsHeader
MaxForwardsHeader maxForwards = ProtocolObjects.headerFactory
.createMaxForwardsHeader(70);
// Create the request.
Request request = ProtocolObjects.messageFactory.createRequest(
requestURI, Request.INVITE, callIdHeader, cSeqHeader,
fromHeader, toHeader, viaHeaders, maxForwards);
// Create contact headers
SipURI contactUrl = ProtocolObjects.addressFactory.createSipURI(
fromName, host);
contactUrl.setPort(listeningPoint.getPort());
// Create the contact name address.
SipURI contactURI = ProtocolObjects.addressFactory.createSipURI(
fromName, host);
contactURI.setPort(sipProvider.getListeningPoint("udp").getPort());
Address contactAddress = ProtocolObjects.addressFactory
.createAddress(contactURI);
// Add the contact address.
contactAddress.setDisplayName(fromName);
contactHeader = ProtocolObjects.headerFactory
.createContactHeader(contactAddress);
request.addHeader(contactHeader);
// Dont use the Outbound Proxy. Use Lr instead.
request.setHeader(routeHeader);
// Add the extension header.
Header extensionHeader = ProtocolObjects.headerFactory
.createHeader("My-Header", "my header value");
request.addHeader(extensionHeader);
String sdpData = "v=0\r\n"
+ "o=4855 13760799956958020 13760799956958020"
+ " IN IP4 129.6.55.78\r\n" + "s=mysession session\r\n"
+ "p=+46 8 52018010\r\n" + "c=IN IP4 129.6.55.78\r\n"
+ "t=0 0\r\n" + "m=audio 6022 RTP/AVP 0 4 18\r\n"
+ "a=rtpmap:0 PCMU/8000\r\n" + "a=rtpmap:4 G723/8000\r\n"
+ "a=rtpmap:18 G729A/8000\r\n" + "a=ptime:20\r\n";
byte[] contents = sdpData.getBytes();
request.setContent(contents, contentTypeHeader);
extensionHeader = ProtocolObjects.headerFactory.createHeader(
"My-Other-Header", "my new header value ");
request.addHeader(extensionHeader);
Header callInfoHeader = ProtocolObjects.headerFactory.createHeader(
"Call-Info", "<http://www.antd.nist.gov>");
request.addHeader(callInfoHeader);
// Create the client transaction.
inviteTid = sipProvider.getNewClientTransaction(request);
// send the request out.
inviteTid.sendRequest();
dialog = inviteTid.getDialog();
} catch (Exception ex) {
logger.error(unexpectedException, ex);
fail(unexpectedException);
}
}
public static void main(String args[]) throws Exception {
logger.addAppender(new ConsoleAppender(new SimpleLayout()));
ProtocolObjects.init("shootist");
Shootist shootist = new Shootist();
shootist.createSipProvider();
shootist.sipProvider.addSipListener(shootist);
shootist.sendInvite();
}
public void processIOException(IOExceptionEvent exceptionEvent) {
logger.info("Got an IO Exception");
fail("unexpected event");
}
public void processTransactionTerminated(
TransactionTerminatedEvent transactionTerminatedEvent) {
logger.info("Got a transaction terminated event");
}
public void processDialogTerminated(
DialogTerminatedEvent dialogTerminatedEvent) {
logger.info("Got a dialog terminated event");
this.checkState();
}
}