package test.unit.gov.nist.javax.sip.stack; import gov.nist.javax.sip.message.MessageFactoryImpl; import gov.nist.javax.sip.stack.NioMessageProcessorFactory; import java.text.ParseException; import java.util.Properties; import javax.sip.ClientTransaction; import javax.sip.Dialog; import javax.sip.DialogTerminatedEvent; import javax.sip.IOExceptionEvent; import javax.sip.ListeningPoint; import javax.sip.PeerUnavailableException; import javax.sip.RequestEvent; import javax.sip.ResponseEvent; import javax.sip.ServerTransaction; import javax.sip.SipFactory; import javax.sip.SipListener; import javax.sip.SipProvider; import javax.sip.SipStack; import javax.sip.Transaction; import javax.sip.TransactionAlreadyExistsException; import javax.sip.TransactionTerminatedEvent; import javax.sip.address.Address; import javax.sip.address.AddressFactory; import javax.sip.header.CSeqHeader; import javax.sip.header.ContactHeader; import javax.sip.header.HeaderFactory; import javax.sip.header.ToHeader; import javax.sip.message.MessageFactory; import javax.sip.message.Request; import javax.sip.message.Response; import junit.framework.TestCase; public class TransactionAlreadyExistsExceptionTest extends TestCase { public class Shootme implements SipListener { private AddressFactory addressFactory; private MessageFactory messageFactory; private HeaderFactory headerFactory; private SipStack sipStack; private static final String myAddress = "127.0.0.1"; private static final int myPort = 5070; private Dialog dialog; private int sawInvite; private boolean sawTransactionExistsException; public static final boolean callerSendsBye = true; 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); } } 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) { SipProvider sipProvider = (SipProvider) requestEvent.getSource(); Request request = requestEvent.getRequest(); this.sawInvite ++; try { Response okResponse = messageFactory.createResponse(Response.OK, request); Address address = addressFactory.createAddress("Shootme <sip:" + myAddress + ":" + myPort + ">"); ContactHeader contactHeader = headerFactory.createContactHeader(address); ToHeader toHeader = (ToHeader) okResponse.getHeader(ToHeader.NAME); toHeader.setTag("4321"); // Application is supposed to set. okResponse.addHeader(contactHeader); ServerTransaction stx = requestEvent.getServerTransaction(); if ( stx == null ) { stx = sipProvider.getNewServerTransaction(request); stx.sendResponse(okResponse); } } catch (TransactionAlreadyExistsException ex) { this.sawTransactionExistsException = true; System.out.println("Saw TransactionAlreadyExistsException"); } catch (Exception ex) { System.err.println("Unexpected exception" + ex); fail("Unexpected Exception seen"); } } 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"); if(System.getProperty("enableNIO") != null && System.getProperty("enableNIO").equalsIgnoreCase("true")) { properties.setProperty("gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY", NioMessageProcessorFactory.class.getName()); } 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(); ((MessageFactoryImpl) messageFactory).setTest(true); 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) { ex.printStackTrace(); fail("Unexpected exception"); } } public void processIOException(IOExceptionEvent exceptionEvent) { fail("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) { Dialog d = dialogTerminatedEvent.getDialog(); System.out.println("Local Party = " + d.getLocalParty()); } public void terminate() { this.sipStack.stop(); } } public class Shootist implements SipListener { private SipProvider sipProvider; private AddressFactory addressFactory; private MessageFactory messageFactory; private HeaderFactory headerFactory; private SipStack sipStack; private ContactHeader contactHeader; private ListeningPoint udpListeningPoint; private Dialog dialog; private boolean timeoutRecieved; boolean sawOk; public void processRequest(RequestEvent requestReceivedEvent) { } public void processResponse(ResponseEvent responseReceivedEvent) { try { if (responseReceivedEvent.getResponse().getStatusCode() == Response.OK) { this.sawOk = true; Dialog dialog = responseReceivedEvent.getDialog(); long cseq = ((CSeqHeader) responseReceivedEvent.getResponse().getHeader( CSeqHeader.NAME)).getSeqNumber(); Request ack = dialog.createAck(cseq); dialog.sendAck(ack); } } catch (Exception ex) { fail("Unexpected exception"); } } public void processTimeout(javax.sip.TimeoutEvent timeoutEvent) { System.out.println("Got a timeout " + timeoutEvent.getClientTransaction()); this.timeoutRecieved = true; } 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 = "127.0.0.1:5070"; 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", "shootistdebug.txt"); properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootistlog.txt"); // 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"); if(System.getProperty("enableNIO") != null && System.getProperty("enableNIO").equalsIgnoreCase("true")) { properties.setProperty("gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY", NioMessageProcessorFactory.class.getName()); } 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()); fail("Problem with setup"); } try { headerFactory = sipFactory.createHeaderFactory(); addressFactory = sipFactory.createAddressFactory(); messageFactory = sipFactory.createMessageFactory(); udpListeningPoint = sipStack.createListeningPoint("127.0.0.1", 5060, "udp"); sipProvider = sipStack.createSipProvider(udpListeningPoint); Shootist listener = this; sipProvider.addSipListener(listener); String retransmittedRequest = "INVITE sip:LittleGuy@127.0.0.1:5070 SIP/2.0\r\n" + "Call-ID: 7a3cd620346e3fa199cb397fe6b6fc16@127.0.0.1\r\n" + "CSeq: 1 INVITE\r\n" + "From: \"The Master Blaster\" <sip:BigGuy@here.com>;tag=12345\r\n" + "To: \"The Little Blister\" <sip:LittleGuy@there.com>\r\n" + "Via: SIP/2.0/UDP 127.0.0.1:5060 ;branch=z9hG4bKba9abfef1063941840d955a5e3e7dae0393734\r\n" + "Contact: <127.0.0.1:5060>\r\n" + "Max-Forwards: 70\r\n" + "Content-Length: 0\r\n\r\n"; System.out.println("Parsing message \n" + retransmittedRequest); Request request = null; try { request = messageFactory.createRequest(retransmittedRequest); } catch (ParseException ex) { System.out.println("Unexpected exception " + ex); fail("Unexpected exception"); } // send the request out. for ( int i = 0 ; i < 10; i++ ) { sipProvider.sendRequest(request); } } catch (Exception ex) { ex.printStackTrace(); fail("cannot create or send initial invite"); } } 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 terminate() { this.sipStack.stop(); } } private Shootme shootme; private Shootist shootist; public void setUp() { this.shootme = new Shootme(); this.shootist = new Shootist(); } public void tearDown() { shootist.terminate(); shootme.terminate(); } public void testSendInviteWithBadHeader() { this.shootme.init(); this.shootist.init(); try { Thread.sleep(5000); } catch (Exception ex) { } assertTrue("Should see alreadyExistsException or only one INVITE seen", shootme.sawTransactionExistsException || shootme.sawInvite == 1 ); assertTrue("Should see response at shootist", shootist.sawOk); } }