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  package test.tck.msgflow.callflows.forkedinvite;
  
  import java.util.HashSet;
  
  import javax.sip.Dialog;
 
 
This class is a UAC template. Shootist is the guy that shoots and shootme is the guy that gets shot.

Author(s):
M. Ranganathan
 
 
 public class Shootist implements SipListener {
 
     private ContactHeader contactHeader;
 
     private ClientTransaction inviteTid;
 
 
     private SipProvider sipProvider;
 
     private String host = "127.0.0.1";
 
     private int port;
 
     private String peerHost = "127.0.0.1";
 
     private int peerPort;
 
     private ListeningPoint listeningPoint;
 
     private static String unexpectedException = "Unexpected exception ";
 
     private static Logger logger = Logger.getLogger(Shootist.class);
 
     private ProtocolObjects protocolObjects;
 
     private Dialog originalDialog;
 
     private HashSet forkedDialogs;
 
     private Dialog ackedDialog;
 
     private Shootist() {
         this. = new HashSet();
     }
 
     public Shootist(int myPortint proxyPortProtocolObjects protocolObjects) {
         this();
         this. = protocolObjects;
         this. = myPort;
         this. = proxyPort;
 
         protocolObjects.logLevel = 32;  // JvB
     }
 
     public void processRequest(RequestEvent requestReceivedEvent) {
         Request request = requestReceivedEvent.getRequest();
         ServerTransaction serverTransactionId = requestReceivedEvent
                 .getServerTransaction();
 
         .info("\n\nRequest " + request.getMethod() + " received at "
                 + ..getStackName()
                 + " with server transaction id " + serverTransactionId);
 
         // We are the UAC so the only request we get is the BYE.
         if (request.getMethod().equals(.))
            processBye(requestserverTransactionId);
        else
            TestHarness.fail("Unexpected request ! : " + request);
    }
    public void processBye(Request request,
            ServerTransaction serverTransactionId) {
        try {
            .info("shootist:  got a bye .");
            if (serverTransactionId == null) {
                .info("shootist:  null TID.");
                return;
            }
            Dialog dialog = serverTransactionId.getDialog();
            .info("Dialog State = " + dialog.getState());
            Response response = ..createResponse(
                    200, request);
            serverTransactionId.sendResponse(response);
            .info("shootist:  Sending OK.");
            .info("Dialog State = " + dialog.getState());
        } catch (Exception ex) {
            ex.printStackTrace();
            System.exit(0);
        }
    }
    public synchronized void processResponse(ResponseEvent responseReceivedEvent) {
        .info("Got a response");
        Response response = (ResponseresponseReceivedEvent.getResponse();
        ClientTransaction tid = responseReceivedEvent.getClientTransaction();
        CSeqHeader cseq = (CSeqHeaderresponse.getHeader(.);
        .info("Response received : Status Code = "
                + response.getStatusCode() + " " + cseq);
        .info("Response = " + response + " class=" + response.getClass() );
        Dialog dialog = responseReceivedEvent.getDialog();
        TestHarness.assertNotNulldialog );
        if (tid != null)
            .info("transaction state is " + tid.getState());
        else
            .info("transaction = " + tid);
        .info("Dialog = " + dialog);
        .info("SHOOTIST: Dialog state is " + dialog.getState());
        try {
            if (response.getStatusCode() == .) {
                if (cseq.getMethod().equals(.)) {
                	/*
                	 * Can get a late arriving response.
                	 */
//                    TestHarness.assertEquals( DialogState.CONFIRMED, dialog.getState());
                    Request ackRequest = dialog.createAck(cseq
                            .getSeqNumber());
                    TestHarness.assertNotNullackRequest.getHeader. ) );
                    // Proxy will fork. I will accept the second dialog
                    // but not the first.
                    this..add(dialog);
                    .info("Sending ACK");
                    dialog.sendAck(ackRequest);
                    if ( dialog.getState() == . ) {
                    	return;
                    }
                    if ( .size() == 2 ) {
                      
                        TestHarness.assertTrue(
                                "Dialog state should be CONFIRMED"dialog
                                        .getState() == .);
                        this. = dialog;
                        // TestHarness.assertNotNull( "JvB: Need CT to find original dialog", tid );
                    } else {
                        // Kill the first dialog by sending a bye.
                        SipProvider sipProvider = (SipProviderresponseReceivedEvent
                                .getSource();
                        Request byeRequest = dialog.createRequest(.);
                        ClientTransaction ct = sipProvider
                                .getNewClientTransaction(byeRequest);
                        dialog.sendRequest(ct);
                    }
                } else {
                    .info("Response method = " + cseq.getMethod());
                }
            } else if ( response.getStatusCode() == . ) {
                //TestHarness.assertEquals( DialogState.EARLY, dialog.getState() );
            }
        } catch (Throwable ex) {
            ex.printStackTrace();
            // System.exit(0);
        }
    }
    public SipProvider createSipProvider() {
        try {
                    .);
            .info("listening point = " +  + " port = " + );
            .info("listening point = " + );
             = .
                    .createSipProvider();
            return ;
        } catch (Exception ex) {
            .error(ex);
            TestHarness.fail();
            return null;
        }
    }
    public void checkState() {
        TestHarness.assertEquals("Should see two distinct dialogs",
                2,this..size());
        TestHarness.assertTrue(
                "Should see the original (default) dialog in the forked set",
                this..contains(this.));
        // cleanup
        .clear();
    }
    public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) {
        .info("Transaction Time out");
    }
    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 = ..createSipURI(
                    fromNamefromSipAddress);
            Address fromNameAddress = .
                    .createAddress(fromAddress);
            fromNameAddress.setDisplayName(fromDisplayName);
            FromHeader fromHeader = .
                    .createFromHeader(fromNameAddress"12345");
            // create To Header
            SipURI toAddress = ..createSipURI(
                    toUsertoSipAddress);
            Address toNameAddress = .
                    .createAddress(toAddress);
            toNameAddress.setDisplayName(toDisplayName);
            ToHeader toHeader = ..createToHeader(
                    toNameAddressnull);
            // create Request URI
            String peerHostPort =  + ":" + ;
            SipURI requestURI = ..createSipURI(
                    toUserpeerHostPort);
            // Create ViaHeaders
            ArrayList viaHeaders = new ArrayList();
            ViaHeader viaHeader = .
                    .createViaHeader(.getListeningPoint(
                            .).getPort(),
                            .null);
            // add via headers
            viaHeaders.add(viaHeader);
            SipURI sipuri = ..createSipURI(null,
                    );
            sipuri.setPort();
            sipuri.setLrParam();
            RouteHeader routeHeader = .
                    .createRouteHeader(.
                            .createAddress(sipuri));
            // Create ContentTypeHeader
            ContentTypeHeader contentTypeHeader = .
                    .createContentTypeHeader("application""sdp");
            // Create a new CallId header
            CallIdHeader callIdHeader = .getNewCallId();
            // JvB: Make sure that the implementation matches the messagefactory
            callIdHeader = .
                    .createCallIdHeader(callIdHeader.getCallId());
            // Create a new Cseq header
            CSeqHeader cSeqHeader = .
                    .createCSeqHeader(1L, .);
            // Create a new MaxForwardsHeader
            MaxForwardsHeader maxForwards = .
                    .createMaxForwardsHeader(70);
            // Create the request.
            Request request = ..createRequest(
                    requestURI.callIdHeadercSeqHeader,
                    fromHeadertoHeaderviaHeadersmaxForwards);
            // Create contact headers
            SipURI contactUrl = ..createSipURI(
                    fromName);
            contactUrl.setPort(.getPort());
            // Create the contact name address.
            SipURI contactURI = ..createSipURI(
                    fromName);
            contactURI.setPort(.getListeningPoint(
                    .).getPort());
            contactURI.setTransportParam(.);
            Address contactAddress = .
                    .createAddress(contactURI);
            // Add the contact address.
            contactAddress.setDisplayName(fromName);
             = .
                    .createContactHeader(contactAddress);
            request.addHeader();
            // Dont use the Outbound Proxy. Use Lr instead.
            request.setHeader(routeHeader);
            // Add the extension header.
            Header extensionHeader = .
                    .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(contentscontentTypeHeader);
            extensionHeader = ..createHeader(
                    "My-Other-Header""my new header value ");
            request.addHeader(extensionHeader);
            Header callInfoHeader = ..createHeader(
                    "Call-Info""<http://www.antd.nist.gov>");
            request.addHeader(callInfoHeader);
            // Create the client transaction.
             = .getNewClientTransaction(request);
            Dialog dialog = .getDialog();
            TestHarness.assertTrue("Initial dialog state should be null",
                    dialog.getState() == null);
            // send the request out.
            .sendRequest();
            this. = dialog;
            // This is not a valid test. There is a race condition in this test
            // the response may have already come in and reset the state of the tx
            // to proceeding.
            // TestHarness.assertSame(
            //      "Initial transaction state should be CALLING", inviteTid
            //              .getState(), TransactionState.CALLING);
        } catch (Exception ex) {
            .error(ex);
            TestHarness.fail();
        }
    }
    public void processIOException(IOExceptionEvent exceptionEvent) {
        .info("IOException happened for " + exceptionEvent.getHost()
                + " port = " + exceptionEvent.getPort());
    }
    public void processTransactionTerminated(
            TransactionTerminatedEvent transactionTerminatedEvent) {
        .info("Transaction terminated event recieved");
    }
    public void processDialogTerminated(
            DialogTerminatedEvent dialogTerminatedEvent) {
        .info("dialogTerminatedEvent");
    }
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