package org.mobicents.ha.javax.sip; import gov.nist.javax.sip.stack.SIPDialog; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.text.ParseException; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator; import java.util.Properties; import java.util.Timer; import java.util.TimerTask; import javax.sip.ClientTransaction; import javax.sip.Dialog; import javax.sip.DialogState; import javax.sip.DialogTerminatedEvent; import javax.sip.IOExceptionEvent; import javax.sip.InvalidArgumentException; import javax.sip.ListeningPoint; import javax.sip.PeerUnavailableException; import javax.sip.RequestEvent; import javax.sip.ResponseEvent; import javax.sip.ServerTransaction; import javax.sip.SipException; import javax.sip.SipFactory; import javax.sip.SipListener; import javax.sip.SipProvider; import javax.sip.SipStack; import javax.sip.TimeoutEvent; import javax.sip.Transaction; import javax.sip.TransactionState; import javax.sip.TransactionTerminatedEvent; import javax.sip.address.Address; import javax.sip.address.AddressFactory; import javax.sip.address.SipURI; import javax.sip.header.CSeqHeader; import javax.sip.header.CallIdHeader; import javax.sip.header.ContactHeader; import javax.sip.header.ContentTypeHeader; import javax.sip.header.FromHeader; import javax.sip.header.Header; import javax.sip.header.HeaderFactory; import javax.sip.header.MaxForwardsHeader; import javax.sip.header.RecordRouteHeader; import javax.sip.header.RouteHeader; import javax.sip.header.ToHeader; import javax.sip.header.ViaHeader; import javax.sip.message.MessageFactory; import javax.sip.message.Request; import javax.sip.message.Response; import junit.framework.TestCase; /** * This test aims to test Mobicents Jain Sip failover recovery. * Shootist on port 5060 shoots at a stateless proxy on prt 5050 (scaled down version of a balancer) * Stateless proxy redirect to Shootme on port 5070 * on ACK, the Shootme stop itself and start the other shootme node on port 5080 and pass to him its current dialogs * on BYE or other in-dialog requests, the stateless proxy forwards to recovery shootme on port 5080 * Shootme recovery sends OK to BYE. * * @author <A HREF="mailto:jean.deruelle@gmail.com">Jean Deruelle</A> * */ public class SimpleDialogRecoveryTest extends TestCase { public static final String IP_ADDRESS = "192.168.0.11"; public static final int BALANCER_PORT = 5050; private static AddressFactory addressFactory; private static MessageFactory messageFactory; private static HeaderFactory headerFactory; Shootist shootist; Shootme shootme; Shootme shootmeRecoveryNode; Balancer balancer; class Balancer implements SipListener { private String myHost; private int myPort; private SipStack sipStack; private SipProvider sipProvider; public Balancer(String host, int port) { this.myHost = host; this.myPort = port; } public void start() throws IllegalStateException { SipFactory sipFactory = null; sipStack = null; Properties properties = new Properties(); properties.setProperty("javax.sip.RETRANSMISSION_FILTER", "true"); properties.setProperty("javax.sip.STACK_NAME", "StatelessForwarder"); properties.setProperty("javax.sip.AUTOMATIC_DIALOG_SUPPORT", "off"); // 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", "./logs/statelessforwarderdebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "./logs/statelessforwarderlog.xml"); try { // Create SipStack object sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); sipStack = sipFactory.createSipStack(properties); headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); ListeningPoint lp = sipStack.createListeningPoint(myHost, myPort, ListeningPoint.UDP); sipProvider = sipStack.createSipProvider(lp); sipProvider.addSipListener(this); sipStack.start(); } catch (Exception ex) { throw new IllegalStateException("Cant create sip objects and lps due to["+ex.getMessage()+"]", ex); } } public void processDialogTerminated( DialogTerminatedEvent dialogTerminatedEvent) { // TODO Auto-generated method stub } public void processIOException(IOExceptionEvent exceptionEvent) { // TODO Auto-generated method stub } public void processRequest(RequestEvent requestEvent) { try { Request request = requestEvent.getRequest(); ViaHeader viaHeader = headerFactory.createViaHeader( this.myHost, this.myPort, ListeningPoint.UDP, "z9hG4bK"+Math.random()*31+""+System.currentTimeMillis()); //Decreasing the Max Forward Header MaxForwardsHeader maxForwardsHeader = (MaxForwardsHeader) request.getHeader(MaxForwardsHeader.NAME); if (maxForwardsHeader == null) { maxForwardsHeader = headerFactory.createMaxForwardsHeader(70); request.addHeader(maxForwardsHeader); } else { maxForwardsHeader.setMaxForwards(maxForwardsHeader.getMaxForwards() - 1); } // Add the via header to the top of the header list. request.addHeader(viaHeader); //Removing first routeHeader if it is for us RouteHeader routeHeader = (RouteHeader) request.getHeader(RouteHeader.NAME); if(routeHeader != null) { SipURI routeUri = (SipURI)routeHeader.getAddress().getURI(); if(routeUri.getHost().equalsIgnoreCase(myHost) && routeUri.getPort() == myPort) { request.removeFirst(RouteHeader.NAME); } } // Record route the invite so the bye comes to me. if (request.getMethod().equals(Request.INVITE) || request.getMethod().equals(Request.SUBSCRIBE)) { SipURI sipUri = addressFactory .createSipURI(null, sipProvider.getListeningPoint( ListeningPoint.UDP).getIPAddress()); sipUri.setPort(sipProvider.getListeningPoint(ListeningPoint.UDP).getPort()); //See RFC 3261 19.1.1 for lr parameter sipUri.setLrParam(); Address address = addressFactory.createAddress(sipUri); address.setURI(sipUri); RecordRouteHeader recordRoute = headerFactory .createRecordRouteHeader(address); request.addHeader(recordRoute); //Adding Route Header SipURI routeSipUri = addressFactory .createSipURI(null, IP_ADDRESS); routeSipUri.setPort(5070); routeSipUri.setLrParam(); RouteHeader route = headerFactory.createRouteHeader(addressFactory.createAddress(routeSipUri)); request.addFirst(route); } else if (!Request.ACK.equals(request.getMethod())) { //Adding Route Header if(((SipURI)request.getRequestURI()).getPort() == 5070) { SipURI routeSipUri = addressFactory .createSipURI(null, IP_ADDRESS); routeSipUri.setPort(5080); routeSipUri.setLrParam(); RouteHeader route = headerFactory.createRouteHeader(addressFactory.createAddress(routeSipUri)); request.addFirst(route); } } //sending request sipProvider.sendRequest(request); } catch (Exception ex) { ex.printStackTrace(); } } public void processResponse(ResponseEvent responseEvent) { try { Response response = responseEvent.getResponse(); SipProvider sender=null; // Topmost via header is me. As it is reposne to external reqeust response.removeFirst(ViaHeader.NAME); sender=this.sipProvider; sender.sendResponse(response); } catch (Exception ex) { ex.printStackTrace(); } } public void processTimeout(TimeoutEvent timeoutEvent) { // TODO Auto-generated method stub } public void processTransactionTerminated( TransactionTerminatedEvent transactionTerminatedEvent) { // TODO Auto-generated method stub } } class Shootme implements SipListener { private SipStack sipStack; private static final String myAddress = IP_ADDRESS; private String stackName; public int myPort = 5070; protected ServerTransaction inviteTid; private Response okResponse; private Request inviteRequest; private Dialog dialog; public boolean callerSendsBye = true; private SipProvider sipProvider; private boolean byeTaskRunning; public Shootme(String stackName, int myPort, boolean callerSendsBye) { this.stackName = stackName; this.myPort = myPort; this.callerSendsBye = callerSendsBye; System.setProperty("jgroups.bind_addr", IP_ADDRESS); System.setProperty("jgroups.udp.mcast_addr", "FFFF::232.5.5.5"); System.setProperty("jboss.server.log.threshold", "DEBUG"); System.setProperty("java.net.preferIPv4Stack", "true"); System.setProperty("jbosscache.config.validate", "false"); } class ByeTask extends TimerTask { Dialog dialog; public ByeTask(Dialog dialog) { this.dialog = dialog; } public void run () { try { Request byeRequest = this.dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest); dialog.sendRequest(ct); } catch (Exception ex) { ex.printStackTrace(); fail("Unexpected exception "); } } } 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?"; 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); } else { try { serverTransactionId.sendResponse( messageFactory.createResponse( 202, request ) ); // send one back SipProvider prov = (SipProvider) requestEvent.getSource(); Request refer = requestEvent.getDialog().createRequest("REFER"); requestEvent.getDialog().sendRequest( prov.getNewClientTransaction(refer) ); } catch (SipException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InvalidArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } 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(); //stopping the node // Collection<Dialog> dialogs=((SipStackImpl)sipStack).getDialogs(DialogState.CONFIRMED); stop(); // shootmeRecoveryNode.init(); //if (!callerSendsBye && !byeTaskRunning) { //byeTaskRunning = true; //new Timer().schedule(new ByeTask(dialog), 4000) ; //} } 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.RINGING, 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 <sip:" + myAddress + ":" + myPort + ">"); 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("org.mobicents.ha"); Properties properties = new Properties(); properties.setProperty("javax.sip.STACK_NAME", stackName); //properties.setProperty("javax.sip.OUTBOUND_PROXY", Integer // .toString(BALANCER_PORT)); // 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", "logs/" + stackName + "debug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "logs/" + stackName + "log.xml"); 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(myAddress, myPort, ListeningPoint.UDP); Shootme listener = this; sipProvider = sipStack.createSipProvider(lp); System.out.println("udp provider " + sipProvider); sipProvider.addSipListener(listener); // if(dialogs != null) { // Collection<Dialog> serializedDialogs = simulateDialogSerialization(dialogs); // for (Dialog dialog : serializedDialogs) { // ((SIPDialog)dialog).setSipProvider((SipProviderImpl)sipProvider); // ((SipStackImpl)sipStack).putDialog((SIPDialog)dialog); // } // this.dialog = (SIPDialog)serializedDialogs.iterator().next(); // } sipStack.start(); if(!callerSendsBye && this.dialog != null) { try { Request byeRequest = this.dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest); System.out.println("sending BYE " + byeRequest); dialog.sendRequest(ct); } catch (Exception ex) { ex.printStackTrace(); fail("Unexpected exception "); } } } catch (Exception ex) { System.out.println(ex.getMessage()); ex.printStackTrace(); fail("Unexpected exception"); } } private Collection<Dialog> simulateDialogSerialization( Collection<Dialog> dialogs) { Collection<Dialog> serializedDialogs = new ArrayList<Dialog>(); for (Dialog dialog : dialogs) { try{ ByteArrayOutputStream baos = new ByteArrayOutputStream(); ObjectOutputStream out = new ObjectOutputStream(baos); out.writeObject(dialog); ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); ObjectInputStream in =new ObjectInputStream(bais); SIPDialog serializedDialog = (SIPDialog)in.readObject(); serializedDialogs.add(serializedDialog); out.close(); in.close(); baos.close(); bais.close(); } catch (IOException e) { e.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } return serializedDialogs; } 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()); } public void stop() { stopSipStack(sipStack, this); } } class Shootist implements SipListener { private SipProvider sipProvider; private SipStack sipStack; private ContactHeader contactHeader; private ListeningPoint udpListeningPoint; private ClientTransaction inviteTid; private Dialog dialog; private boolean byeTaskRunning; public boolean callerSendsBye = true; class ByeTask extends TimerTask { Dialog dialog; public ByeTask(Dialog dialog) { this.dialog = dialog; } public void run () { try { Request byeRequest = this.dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider.getNewClientTransaction(byeRequest); dialog.sendRequest(ct); } catch (Exception ex) { ex.printStackTrace(); fail("Unexpected exception "); } } } public Shootist(boolean callerSendsBye) { this.callerSendsBye = callerSendsBye; } public void processRequest(RequestEvent requestReceivedEvent) { Request request = requestReceivedEvent.getRequest(); ServerTransaction serverTransactionId = requestReceivedEvent .getServerTransaction(); System.out.println("\n\nRequest " + request.getMethod() + " received at " + sipStack.getStackName() + " with server transaction id " + serverTransactionId); // We are the UAC so the only request we get is the BYE. if (request.getMethod().equals(Request.BYE)) processBye(request, serverTransactionId); else { try { serverTransactionId.sendResponse( messageFactory.createResponse(202,request) ); } catch (Exception e) { e.printStackTrace(); fail("Unxepcted exception "); } } } public void processBye(Request request, ServerTransaction serverTransactionId) { try { System.out.println("shootist: got a bye ."); if (serverTransactionId == null) { System.out.println("shootist: null TID."); return; } Dialog dialog = serverTransactionId.getDialog(); System.out.println("Dialog State = " + dialog.getState()); Response response = messageFactory.createResponse(200, request); serverTransactionId.sendResponse(response); System.out.println("shootist: Sending OK."); System.out.println("Dialog State = " + dialog.getState()); } catch (Exception ex) { fail("Unexpected exception"); } } // Save the created ACK request, to respond to retransmitted 2xx private Request ackRequest; public boolean okToByeReceived; public void processResponse(ResponseEvent responseReceivedEvent) { System.out.println("Got a response"); Response response = (Response) responseReceivedEvent.getResponse(); ClientTransaction tid = responseReceivedEvent.getClientTransaction(); CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); System.out.println("Response received : Status Code = " + response.getStatusCode() + " " + cseq); if (tid == null) { // RFC3261: MUST respond to every 2xx if (ackRequest!=null && dialog!=null) { System.out.println("re-sending ACK"); try { dialog.sendAck(ackRequest); } catch (SipException se) { se.printStackTrace(); fail("Unxpected exception "); } } return; } // If the caller is supposed to send the bye if ( callerSendsBye && !byeTaskRunning) { byeTaskRunning = true; new Timer().schedule(new ByeTask(dialog), 4000) ; } System.out.println("transaction state is " + tid.getState()); System.out.println("Dialog = " + tid.getDialog()); System.out.println("Dialog State is " + tid.getDialog().getState()); assertSame("Checking dialog identity",tid.getDialog(), this.dialog); try { if (response.getStatusCode() == Response.OK) { if (cseq.getMethod().equals(Request.INVITE)) { System.out.println("Dialog after 200 OK " + dialog); System.out.println("Dialog State after 200 OK " + dialog.getState()); Request ackRequest = dialog.createAck(cseq.getSeqNumber()); System.out.println("Sending ACK"); dialog.sendAck(ackRequest); // JvB: test REFER, reported bug in tag handling // Request referRequest = dialog.createRequest("REFER"); // //simulating a balancer that will forward the request to the recovery node // SipURI referRequestURI = addressFactory.createSipURI(null, "127.0.0.1:5080"); // referRequest.setRequestURI(referRequestURI); // dialog.sendRequest( sipProvider.getNewClientTransaction(referRequest)); // } else if (cseq.getMethod().equals(Request.CANCEL)) { if (dialog.getState() == DialogState.CONFIRMED) { // oops cancel went in too late. Need to hang up the // dialog. System.out .println("Sending BYE -- cancel went in too late !!"); Request byeRequest = dialog.createRequest(Request.BYE); ClientTransaction ct = sipProvider .getNewClientTransaction(byeRequest); dialog.sendRequest(ct); } } else if (cseq.getMethod().equals(Request.BYE)) { okToByeReceived = true; } } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } } public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) { System.out.println("Transaction Time out"); } public void sendCancel() { try { System.out.println("Sending cancel"); Request cancelRequest = inviteTid.createCancel(); ClientTransaction cancelTid = sipProvider .getNewClientTransaction(cancelRequest); cancelTid.sendRequest(); } catch (Exception ex) { ex.printStackTrace(); } } public void init() { SipFactory sipFactory = null; sipStack = null; sipFactory = SipFactory.getInstance(); sipFactory.setPathName("gov.nist"); Properties properties = new Properties(); // If you want to try TCP transport change the following to String transport = "udp"; String peerHostPort = IP_ADDRESS + ":" + BALANCER_PORT; properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/" + transport); // If you want to use UDP then uncomment this. properties.setProperty("javax.sip.STACK_NAME", "shootist"); // The following properties are specific to nist-sip // and are not necessarily part of any other jain-sip // implementation. // You can set a max message size for tcp transport to // guard against denial of service attack. properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "logs/shootistdebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "logs/shootistlog.xml"); // Drop the client connection after we are done with the transaction. properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS", "false"); // Set to 0 (or NONE) in your production code for max speed. // You need 16 (or TRACE) for logging traces. 32 (or DEBUG) for debug + traces. // Your code will limp at 32 but it is best for debugging. properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "DEBUG"); try { // Create SipStack object sipStack = sipFactory.createSipStack(properties); System.out.println("createSipStack " + sipStack); } catch (PeerUnavailableException e) { // could not find // gov.nist.jain.protocol.ip.sip.SipStackImpl // in the classpath e.printStackTrace(); System.err.println(e.getMessage()); System.exit(0); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); udpListeningPoint = sipStack.createListeningPoint(IP_ADDRESS, 5060, "udp"); sipProvider = sipStack.createSipProvider(udpListeningPoint); Shootist listener = this; sipProvider.addSipListener(listener); 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 = addressFactory.createSipURI(fromName, fromSipAddress); Address fromNameAddress = addressFactory.createAddress(fromAddress); fromNameAddress.setDisplayName(fromDisplayName); FromHeader fromHeader = headerFactory.createFromHeader( fromNameAddress, "12345"); // create To Header SipURI toAddress = addressFactory .createSipURI(toUser, toSipAddress); Address toNameAddress = addressFactory.createAddress(toAddress); toNameAddress.setDisplayName(toDisplayName); ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null); // create Request URI SipURI requestURI = addressFactory.createSipURI(toUser, peerHostPort); // Create ViaHeaders ArrayList viaHeaders = new ArrayList(); String ipAddress = udpListeningPoint.getIPAddress(); ViaHeader viaHeader = headerFactory.createViaHeader(ipAddress, sipProvider.getListeningPoint(transport).getPort(), transport, null); // add via headers viaHeaders.add(viaHeader); // Create ContentTypeHeader ContentTypeHeader contentTypeHeader = headerFactory .createContentTypeHeader("application", "sdp"); // Create a new CallId header CallIdHeader callIdHeader = sipProvider.getNewCallId(); // Create a new Cseq header CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE); // Create a new MaxForwardsHeader MaxForwardsHeader maxForwards = headerFactory .createMaxForwardsHeader(70); // Create the request. Request request = messageFactory.createRequest(requestURI, Request.INVITE, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwards); // Create contact headers String host = IP_ADDRESS; SipURI contactUrl = addressFactory.createSipURI(fromName, host); contactUrl.setPort(udpListeningPoint.getPort()); contactUrl.setLrParam(); // Create the contact name address. SipURI contactURI = addressFactory.createSipURI(fromName, host); contactURI.setPort(sipProvider.getListeningPoint(transport) .getPort()); Address contactAddress = addressFactory.createAddress(contactURI); // Add the contact address. contactAddress.setDisplayName(fromName); contactHeader = headerFactory.createContactHeader(contactAddress); request.addHeader(contactHeader); // You can add extension headers of your own making // to the outgoing SIP request. // Add the extension header. Header extensionHeader = 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); // You can add as many extension headers as you // want. extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value "); request.addHeader(extensionHeader); Header callInfoHeader = 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) { System.out.println(ex.getMessage()); ex.printStackTrace(); fail("Unxpected exception "); } } public void processIOException(IOExceptionEvent exceptionEvent) { System.out.println("IOException happened for " + exceptionEvent.getHost() + " port = " + exceptionEvent.getPort()); } public void processTransactionTerminated( TransactionTerminatedEvent transactionTerminatedEvent) { System.out.println("Transaction terminated event recieved"); } public void processDialogTerminated( DialogTerminatedEvent dialogTerminatedEvent) { System.out.println("dialogTerminatedEvent"); } public void stop() { stopSipStack(sipStack, this); } } public static void stopSipStack(SipStack sipStack, SipListener listener) { Iterator<SipProvider> sipProviderIterator = sipStack.getSipProviders(); try{ while (sipProviderIterator.hasNext()) { SipProvider sipProvider = sipProviderIterator.next(); ListeningPoint[] listeningPoints = sipProvider.getListeningPoints(); for (ListeningPoint listeningPoint : listeningPoints) { sipProvider.removeListeningPoint(listeningPoint); sipStack.deleteListeningPoint(listeningPoint); listeningPoints = sipProvider.getListeningPoints(); } sipProvider.removeSipListener(listener); sipStack.deleteSipProvider(sipProvider); sipProviderIterator = sipStack.getSipProviders(); } } catch (Exception e) { throw new IllegalStateException("Cant remove the listening points or sip providers", e); } sipStack.stop(); sipStack = null; } public void testDialogFailover() throws Exception { balancer = new Balancer(IP_ADDRESS, BALANCER_PORT); balancer.start(); shootist = new Shootist(true); shootme = new Shootme("shootme", 5070, true); shootmeRecoveryNode = new Shootme("shootme_recovery", 5080, true); shootme.init(); shootmeRecoveryNode.init(); Thread.sleep(5000); shootist.init(); Thread.sleep(10000); shootist.stop(); shootmeRecoveryNode.stop(); // shootme.stop(); stopSipStack(balancer.sipStack, balancer); assertTrue(shootist.okToByeReceived); } // public void testDialogIdentityCalleeSendsBye() throws Exception { // // balancer = new Balancer(IP_ADDRESS, BALANCER_PORT); // // balancer.start(); // // shootist = new Shootist(false); // // shootme = new Shootme("shootme", 5070, false); // // shootmeRecoveryNode = new Shootme("shootme_recovery", 5080, false); // // shootme.init(); // shootmeRecoveryNode.init(); // shootist.init(); // // Thread.sleep(10000); // // shootist.stop(); // shootmeRecoveryNode.stop(); //// shootme.stop(); // stopSipStack(balancer.sipStack, balancer); // // // } }