public void run() { Request request = requestEvent.getRequest(); try { // System.out.println("shootme: got an Invite sending OK"); Response response = messageFactory.createResponse(180, request); ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME); Address address = addressFactory.createAddress("Shootme <sip:" + myAddress + ":" + myPort + ">"); ContactHeader contactHeader = headerFactory.createContactHeader(address); response.addHeader(contactHeader); // System.out.println("got a server tranasaction " + st); Dialog dialog = st.getDialog(); /* * if (dialog != null) { System.out.println("Dialog " + dialog); * System.out.println("Dialog state " + dialog.getState()); } */ st.sendResponse(response); // send 180(RING) response = messageFactory.createResponse(200, request); toHeader = (ToHeader) response.getHeader(ToHeader.NAME); String toTag = new Integer((int) (Math.random() * 1000)).toString(); toHeader.setTag(toTag); // Application is supposed to set. response.addHeader(contactHeader); st.sendResponse(response); // send 200(OK) } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
public void processResponse(ResponseEvent responseReceivedEvent) { // Log.info("Registering response...." + sipCallId); Response response = (Response) responseReceivedEvent.getResponse(); int statusCode = response.getStatusCode(); String method = ((CSeqHeader) response.getHeader(CSeqHeader.NAME)).getMethod(); Log.debug("Got response " + response); if (statusCode == Response.OK) { isRegistered = true; Log.info( "Voice bridge successfully registered with " + registrar + " for " + proxyCredentials.getXmppUserName()); PluginImpl.sipRegisterStatus = "Registered ok with " + proxyCredentials.getHost(); sipServerCallback.removeSipListener(sipCallId); } else if (statusCode == Response.UNAUTHORIZED || statusCode == Response.PROXY_AUTHENTICATION_REQUIRED) { if (method.equals(Request.REGISTER)) { CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); if (cseq.getSequenceNumber() < 2) { ClientTransaction regTrans = SipService.handleChallenge( response, responseReceivedEvent.getClientTransaction(), proxyCredentials); if (regTrans != null) { try { regTrans.sendRequest(); } catch (Exception e) { Log.info("Registration failed, cannot send transaction " + e); PluginImpl.sipRegisterStatus = "Registration error " + e.toString(); } } else { Log.info("Registration failed, cannot create transaction"); PluginImpl.sipRegisterStatus = "Registration cannot create transaction"; } } else { Log.info("Registration failed " + responseReceivedEvent); PluginImpl.sipRegisterStatus = "Registration failed"; } } } else { Log.info("Unrecognized response: " + response); } }
public void processResponse(ResponseEvent responseReceivedEvent) { System.out.println("Got a response"); Response response = (Response) responseReceivedEvent.getResponse(); Transaction tid = responseReceivedEvent.getClientTransaction(); System.out.println( "Response received with client transaction id " + tid + ":\n" + response.getStatusCode()); if (tid == null) { System.out.println("Stray response -- dropping "); return; } System.out.println("transaction state is " + tid.getState()); System.out.println("Dialog = " + tid.getDialog()); System.out.println("Dialog State is " + tid.getDialog().getState()); try { if (response.getStatusCode() == Response.OK && ((CSeqHeader) response.getHeader(CSeqHeader.NAME)) .getMethod() .equals(Request.INVITE)) { // Request cancel = inviteTid.createCancel(); // ClientTransaction ct = // sipProvider.getNewClientTransaction(cancel); // ct.sendRequest(); Dialog dialog = tid.getDialog(); CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME); Request ackRequest = dialog.createAck(cseq.getSeqNumber()); System.out.println("Sending ACK"); dialog.sendAck(ackRequest); // Send a Re INVITE but this time force it // to use UDP as the transport. Else, it will // Use whatever transport was used to create // the dialog. if (reInviteCount == 0) { Request inviteRequest = dialog.createRequest(Request.INVITE); ((SipURI) inviteRequest.getRequestURI()).removeParameter("transport"); ((ViaHeader) inviteRequest.getHeader(ViaHeader.NAME)).setTransport("udp"); inviteRequest.addHeader(contactHeader); try { Thread.sleep(100); } catch (Exception ex) { } ClientTransaction ct = udpProvider.getNewClientTransaction(inviteRequest); dialog.sendRequest(ct); reInviteCount++; } } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
/** 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.BUSY_HERE, request); ToHeader toHeader = (ToHeader) okResponse.getHeader(ToHeader.NAME); toHeader.setTag("4321"); // Application is supposed to set. this.inviteTid = st; // Defer sending the OK to simulate the phone ringing. this.inviteRequest = request; new Timer().schedule(new MyTimerTask(this), 100); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
public void processCancel(RequestEvent requestEvent, ServerTransaction serverTransactionId) { Request request = requestEvent.getRequest(); SipProvider sipProvider = (SipProvider) requestEvent.getSource(); try { logger.info("shootme: got a cancel. "); // Because this is not an In-dialog request, you will get a null server Tx id here. if (serverTransactionId == null) { serverTransactionId = sipProvider.getNewServerTransaction(request); } Response response = protocolObjects.messageFactory.createResponse(200, request); serverTransactionId.sendResponse(response); String serverTxId = ((ViaHeader) response.getHeader(ViaHeader.NAME)).getBranch(); ServerTransaction serverTx = (ServerTransaction) this.serverTxTable.get(serverTxId); if (serverTx != null && (serverTx.getState().equals(TransactionState.TRYING) || serverTx.getState().equals(TransactionState.PROCEEDING))) { Request originalRequest = serverTx.getRequest(); Response resp = protocolObjects.messageFactory.createResponse( Response.REQUEST_TERMINATED, originalRequest); serverTx.sendResponse(resp); } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
/** Process the invite request. */ public void processInvite(RequestEvent requestEvent, ServerTransaction serverTransaction) { SipProvider sipProvider = (SipProvider) requestEvent.getSource(); Request request = requestEvent.getRequest(); try { logger.info("shootme: got an Invite sending Trying"); // logger.info("shootme: " + request); ServerTransaction st = requestEvent.getServerTransaction(); if (st == null) { logger.info("null server tx -- getting a new one"); st = sipProvider.getNewServerTransaction(request); } logger.info("getNewServerTransaction : " + st); String txId = ((ViaHeader) request.getHeader(ViaHeader.NAME)).getBranch(); this.serverTxTable.put(txId, st); // Create the 100 Trying response. Response response = protocolObjects.messageFactory.createResponse(Response.TRYING, request); ListeningPoint lp = sipProvider.getListeningPoint(protocolObjects.transport); int myPort = lp.getPort(); Address address = protocolObjects.addressFactory.createAddress( "Shootme <sip:" + myAddress + ":" + myPort + ">"); // Add a random sleep to stagger the two OK's for the benifit of implementations // that may not be too good about handling re-entrancy. int timeToSleep = (int) (Math.random() * 1000); Thread.sleep(timeToSleep); st.sendResponse(response); Response ringingResponse = protocolObjects.messageFactory.createResponse(Response.RINGING, request); ContactHeader contactHeader = protocolObjects.headerFactory.createContactHeader(address); response.addHeader(contactHeader); ToHeader toHeader = (ToHeader) ringingResponse.getHeader(ToHeader.NAME); String toTag = actAsNonRFC3261UAS ? null : new Integer((int) (Math.random() * 10000)).toString(); if (!actAsNonRFC3261UAS) toHeader.setTag(toTag); // Application is supposed to set. ringingResponse.addHeader(contactHeader); st.sendResponse(ringingResponse); Dialog dialog = st.getDialog(); dialog.setApplicationData(st); this.inviteSeen = true; new Timer().schedule(new MyTimerTask(requestEvent, st /*,toTag*/), 1000); } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
public void processResponse(ResponseEvent responseEvent) { ClientTransaction ct = responseEvent.getClientTransaction(); Response response = responseEvent.getResponse(); ServerTransaction st = (ServerTransaction) ct.getApplicationData(); try { Response otherResponse = messageFactory.createResponse(response.getStatusCode(), st.getRequest()); if (response.getStatusCode() == 200 && ct.getRequest().getMethod().equals("INVITE")) { Address address = addressFactory.createAddress("B2BUA <sip:" + myAddress + ":" + myPort + ">"); ContactHeader contactHeader = headerFactory.createContactHeader(address); response.addHeader(contactHeader); ToHeader toHeader = (ToHeader) otherResponse.getHeader(ToHeader.NAME); if (toHeader.getTag() == null) toHeader.setTag(new Long(counter.getAndIncrement()).toString()); otherResponse.addHeader(contactHeader); } st.sendResponse(otherResponse); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }
public void processOK(Response responseCloned, ClientTransaction clientTransaction) { try { logger.debug("Processing OK for SUBSCRIBE in progress..."); ExpiresHeader expiresHeader = (ExpiresHeader) responseCloned.getHeader(ExpiresHeader.NAME); if (expiresHeader != null && expiresHeader.getExpires() == 0) { logger.debug( "DEBUG, IMSubscribeProcessing, processOK(), we got" + " the OK for the unsubscribe..."); } else { // We have to create or update the presentity! PresenceManager presenceManager = imUA.getPresenceManager(); String presentityURL = IMUtilities.getKey(responseCloned, "To"); Dialog dialog = clientTransaction.getDialog(); if (dialog != null) presenceManager.addPresentity(presentityURL, responseCloned, dialog); else { logger.debug( "ERROR, IMSubscribeProcessing, processOK(), the" + " dialog for the SUBSCRIBE we sent is null!!!" + " No presentity added...."); } // WE have to create a new Buddy in the GUI!!! InstantMessagingGUI imGUI = imUA.getInstantMessagingGUI(); BuddyList buddyList = imGUI.getBuddyList(); if (!buddyList.hasBuddy(presentityURL)) { buddyList.addBuddy(presentityURL, "offline"); } else { logger.debug("The buddy is already in the Buddy list..."); } } logger.debug("Processing OK for SUBSCRIBE completed..."); } catch (Exception ex) { ex.printStackTrace(); } }
public void processResponse(ResponseEvent responseReceivedEvent) { // System.out.println("Got a response"); Response response = (Response) responseReceivedEvent.getResponse(); Transaction tid = responseReceivedEvent.getClientTransaction(); // System.out.println("Response received with client transaction id " // + tid + ":\n" + response); try { if (response.getStatusCode() == Response.OK && ((CSeqHeader) response.getHeader(CSeqHeader.NAME)) .getMethod() .equals(Request.INVITE)) { Dialog dialog = tid.getDialog(); Request request = tid.getRequest(); dialog.sendAck(request); } } catch (Exception ex) { ex.printStackTrace(); System.exit(0); } }
/** * handles the INVITED state. * * @param response the response * @param clientTransaction the client transaction * @throws SipException SIP stack related error */ private void handleCallParticipantInvited(Response response, ClientTransaction clientTransaction) throws ParseException, SipException, InvalidArgumentException { FromHeader fromHeader = (FromHeader) response.getHeader(FromHeader.NAME); String displayName = fromHeader.getAddress().getDisplayName(); int statusCode = response.getStatusCode(); Logger.println( "handleCallParticipantInvited " + cp + " status " + statusCode + " " + response.getReasonPhrase()); Logger.println("handleCallParticipantInvited , displayname " + displayName); CallIdHeader callIdHeader = (CallIdHeader) response.getHeader(CallIdHeader.NAME); if (sipCallId.equals(callIdHeader.getCallId()) && displayName.equals(cp.getDisplayName()) && (statusCode == Response.OK || statusCode == Response.SESSION_PROGRESS) && ((CSeqHeader) response.getHeader(CSeqHeader.NAME)).getMethod().equals(Request.INVITE)) { if (statusCode == Response.SESSION_PROGRESS) { /* * For some calls, we never get an OK. Instead we just get * SESSION_PROGRESS. In order to handle these calls, we treat * SESSION_PROGRESS as OK. If an OK arrives later, we'll * send an ACK. This flag allows us to enable or * disable this workaround for each call. * * The problem with always treating SESSION_PROGRESS as OK * is that in a conference everybody will hear the ringing sound * which the remote call sends until the call is actually answered. * This can be avoided if joinConfirmation is specified. * The other problem is that if we treat SESSION_PROGRESS * as though the call has been answered, then we'll start * playing the treatment before a person really answers to * hear the treatment. */ if (cp.getHandleSessionProgress() == false) { Logger.writeFile("Call " + cp + " Ignoring SESSION_PROGRESS"); return; } Logger.writeFile("Call " + cp + " Treating SESSION_PROGRESS as OK"); } if (response.getRawContent() == null) { Logger.error("Call " + cp + " no SDP in OK Response!"); cancelRequest("SIP error! no SDP in OK Response!"); return; } this.clientTransaction = clientTransaction; if (statusCode == Response.OK) { gotOk = true; Logger.writeFile("Call " + cp + " Got OK, call answered\n" + response); } ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME); /* * We got an OK response. * * send an ACK back to the CallParticipant */ if (statusCode == Response.OK) { sipUtil.sendAck(clientTransaction); ackSent = true; } if (callAnswered) { Logger.writeFile("Call " + cp + " done processing OK"); return; } /* * Remember the IP and port of where to send data to * the CallParticipant. */ sdpBody = new String(response.getRawContent()); SdpInfo sdpInfo; try { sdpInfo = sipUtil.getSdpInfo(sdpBody, false); } catch (ParseException e) { Logger.error("Call " + cp + " Invalid SDP in OK Response! " + e.getMessage()); cancelRequest("SIP error! Invalid SDP in OK Response!"); return; } MediaInfo mediaInfo = sdpInfo.getMediaInfo(); InetSocketAddress isa = new InetSocketAddress(sdpInfo.getRemoteHost(), sdpInfo.getRemotePort()); InetSocketAddress rtcpAddress = sdpInfo.getRtcpAddress(); setEndpointAddress( isa, mediaInfo.getPayload(), sdpInfo.getTransmitMediaInfo().getPayload(), sdpInfo.getTelephoneEventPayload(), rtcpAddress); /* * The CallParticipant has answered. * If join confirmation is required, we remain in the * INVITED state. We set the callAnswered flag so that * if the join confirmation times out we know to * send a BYE rather than a CANCEL. */ callAnswered = true; if (cp.getJoinConfirmationTimeout() == 0) { setState(CallState.ANSWERED); } /* * Start treatment if any and wait for it to finish. * When the treatment finishes, notification will * be delivered to our parent which will indicate * we're ready for the conference. * * If there's no treatment to be played, we're ready now * unless we're waiting for join confirmation.. */ initializeCallAnsweredTreatment(); if (callAnsweredTreatment != null) { startCallAnsweredTreatment(); } else { if (cp.getJoinConfirmationTimeout() == 0) { setState(CallState.ESTABLISHED); } } } else { Logger.writeFile("Call " + cp + " Ignoring response: " + response.getReasonPhrase()); if (Logger.logLevel >= Logger.LOG_SIP) { Logger.println("Call " + cp + " Response: " + response); } } }
public synchronized void processResponse(ResponseEvent responseReceivedEvent) { try { Response response = (Response) responseReceivedEvent.getResponse(); ClientTransaction clientTransaction = responseReceivedEvent.getClientTransaction(); int statusCode = response.getStatusCode(); FromHeader fromHeader = (FromHeader) response.getHeader(FromHeader.NAME); String displayName = fromHeader.getAddress().getDisplayName(); if (Logger.logLevel >= Logger.LOG_SIP) { Logger.println( "Response: statusCode " + statusCode + " state " + getCallState() + " fromHeader " + displayName + " call participant " + cp.getName()); } if (reasonCallTerminated != null) { /* * Ignore OK and Request Terminated. * XXX what's the symbol for 487? */ if (statusCode != Response.OK && statusCode != 487) { if (Logger.logLevel >= Logger.LOG_SIP) { Logger.println("Call " + cp + ": request cancelled, ignoring response"); } } CallIdHeader callIdHeader = (CallIdHeader) response.getHeader("Call-Id"); String sipCallId = callIdHeader.getCallId(); sipServerCallback.removeSipListener(sipCallId); return; } /* * Some type of global failure that prevents the * CallParticipant from being contacted, report failure. */ if (forceGatewayError) { statusCode = 500; forceGatewayError = false; } if (statusCode >= 500 && getState() == CallState.INVITED) { Logger.error( "Call " + cp + " gateway error: " + statusCode + " " + response.getReasonPhrase()); cancelRequest("gateway error: " + statusCode + " " + response.getReasonPhrase()); return; } else if (statusCode == Response.PROXY_AUTHENTICATION_REQUIRED || statusCode == Response.UNAUTHORIZED) { if (cp.getProxyCredentials() != null) { try { SipServer.handleChallenge(response, clientTransaction, cp.getProxyCredentials()) .sendRequest(); } catch (Exception e) { Logger.println("Proxy authentification failed " + e); } } return; } else if (statusCode >= 400) { // if we get a busy or an unknown error, play busy. Logger.println("Call " + cp + " got status code :" + statusCode); cp.setCallEndTreatment(null); cp.setConferenceJoinTreatment(null); cp.setConferenceLeaveTreatment(null); /* * play busy treatment, but deallocate any resources * held up by ringBack first, if any. */ // stopCallAnsweredTreatment(); if (statusCode == Response.BUSY_HERE) { try { if (busyTreatment != null) { addTreatment(busyTreatment); // busyTreatment.waitForTreatment(); } else { Logger.println("Unable to play busy treatment!!!"); } } catch (Exception e) { Logger.error("can't start busy treatment!" + sdpBody); } CallEvent callEvent = new CallEvent(CallEvent.BUSY_HERE); callEvent.setInfo(response.getReasonPhrase()); sendCallEventNotification(callEvent); } // sipUtil.sendBye(clientTransaction); cancelRequest(response.getReasonPhrase()); return; } /* state machine */ switch (getState()) { /* * CallParticipant picked up, send treatment if any, * and wait for it to finish. */ case CallState.INVITED: if (rejectCall) { Logger.error( "Call " + cp + " gateway error: " + statusCode + " " + response.getReasonPhrase()); cancelRequest("gateway error: " + statusCode + " " + response.getReasonPhrase()); return; } handleCallParticipantInvited(response, clientTransaction); break; /* * Call established, the ACK needs to be resent. * According to Ranga, this is done by the NIST SIP Stack. */ case CallState.ESTABLISHED: if (statusCode == Response.OK) { gotOk = true; Logger.writeFile("Call " + cp + " Got OK, ESTABLISHED"); if (ackSent == false) { sipUtil.sendAck(clientTransaction); ackSent = true; } } break; case CallState.ENDED: break; // ignore the response default: Logger.error("Process Response bad state " + getState() + "\n" + response); } } catch (SipException e) { Logger.exception("Call " + cp + " SIP Stack error ", e); cancelRequest("processResponse: SIP Stack error " + e.getMessage()); } catch (Exception e) { Logger.exception("processResponse: " + cp, e); cancelRequest("processResponse: SIP Stack error " + e.getMessage()); } }
public void processSubscribe(Request request, ServerTransaction serverTransaction) { logger.debug("Processing SUBSCRIBE in progress "); try { MessageFactory messageFactory = imUA.getMessageFactory(); HeaderFactory headerFactory = imUA.getHeaderFactory(); AddressFactory addressFactory = imUA.getAddressFactory(); Dialog dialog = serverTransaction.getDialog(); // ********** Terminating subscriptions ********** ExpiresHeader expiresHeader = (ExpiresHeader) request.getHeader(ExpiresHeader.NAME); if (expiresHeader != null && expiresHeader.getExpires() == 0) { if (dialog != null) { // Terminating an existing subscription Response response = messageFactory.createResponse(Response.OK, request); serverTransaction.sendResponse(response); IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing(); imNotifyProcessing.sendNotify(response, null, dialog); return; } else { // Terminating an non existing subscription Response response = messageFactory.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST, request); serverTransaction.sendResponse(response); return; } } // ********** Non-terminating subscriptions ************ // send a 202 Accepted while waiting for authorization from user Response response = messageFactory.createResponse(Response.ACCEPTED, request); // Tag: ToHeader toHeader = (ToHeader) response.getHeader(ToHeader.NAME); if (toHeader.getTag() == null) toHeader.setTag(new Integer((int) (Math.random() * 10000)).toString()); serverTransaction.sendResponse(response); logger.debug(response.toString()); // We have to ask the user to authorize the guy to be in his buddy // list String presentityURL = IMUtilities.getKey(request, "From"); SipProvider sipProvider = imUA.getSipProvider(); InstantMessagingGUI imGUI = imUA.getInstantMessagingGUI(); boolean authorization = imGUI.getAuthorizationForBuddy(presentityURL); if (authorization) { logger.debug( "DEBUG: SubscribeProcessing, processSubscribe(), " + " Response 202 Accepted sent."); // We have to create or update the subscriber! PresenceManager presenceManager = imUA.getPresenceManager(); String subscriberURL = IMUtilities.getKey(request, "From"); if (dialog != null) presenceManager.addSubscriber(subscriberURL, response, dialog); else { logger.debug( "ERROR, IMSubscribeProcessing, processSubscribe(), the" + " dialog for the SUBSCRIBE we received is null!!! No subscriber added...."); return; } // Let's see if this buddy is in our buddy list // if not let's ask to add him! BuddyList buddyList = imGUI.getBuddyList(); ListenerInstantMessaging listenerIM = imGUI.getListenerInstantMessaging(); if (!buddyList.hasBuddy(subscriberURL)) { // Let's ask: listenerIM.addContact(subscriberURL); } /** ********************** send NOTIFY ************************* */ // We send a NOTIFY for any of our status but offline String localStatus = listenerIM.getLocalStatus(); if (!localStatus.equals("offline")) { IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing(); Subscriber subscriber = presenceManager.getSubscriber(subscriberURL); // Response okSent=subscriber.getOkSent(); subscriberURL = subscriber.getSubscriberName(); String contactAddress = imUA.getIMAddress() + ":" + imUA.getIMPort(); String subStatus = listenerIM.getLocalStatus(); String status = null; if (subStatus.equals("offline")) status = "closed"; else status = "open"; String xmlBody = imNotifyProcessing.xmlPidfParser.createXMLBody( status, subStatus, subscriberURL, contactAddress); imNotifyProcessing.sendNotify(response, xmlBody, dialog); } } else { // User did not authorize subscription. Terminate it! logger.debug( "DEBUG, IMSubsribeProcessing, processSubscribe(), " + " Subscription declined!"); logger.debug( "DEBUG, IMSubsribeProcessing, processSubscribe(), " + " Sending a Notify with Subscribe-state=terminated"); IMNotifyProcessing imNotifyProcessing = imUA.getIMNotifyProcessing(); if (dialog != null) { imNotifyProcessing.sendNotify(response, null, dialog); logger.debug( "DEBUG, IMSubsribeProcessing, processSubscribe(), " + " Sending a Notify with Subscribe-state=terminated"); } else { logger.debug( "ERROR, IMSubscribeProcessing, processSubscribe(), the" + " dialog for the SUBSCRIBE we received is null!!! \n" + " No terminating Notify sent"); } imNotifyProcessing.sendNotify(response, null, dialog); } } catch (Exception ex) { ex.printStackTrace(); } }
/** * Implements {@link MethodProcessor#processResponse(ResponseEvent)}. Handles only responses to * SUBSCRIBE requests because they are the only requests concerning event package subscribers (and * the only requests sent by them, for that matter) and if the processing of a given response * requires event package-specific handling, delivers the response to the matching * <tt>Subscription</tt> instance. Examples of such event package-specific handling include * letting the respective <tt>Subscription</tt> handle the success or failure in the establishment * of a subscription. * * @param responseEvent a <tt>ResponseEvent</tt> specifying the SIP <tt>Response</tt> to be * processed * @return <tt>true</tt> if the SIP <tt>Response</tt> specified by <tt>responseEvent</tt> was * processed; otherwise, <tt>false</tt> */ @Override public boolean processResponse(ResponseEvent responseEvent) { Response response = responseEvent.getResponse(); CSeqHeader cseqHeader = (CSeqHeader) response.getHeader(CSeqHeader.NAME); if (cseqHeader == null) { logger.error("An incoming response did not contain a CSeq header"); return false; } if (!Request.SUBSCRIBE.equals(cseqHeader.getMethod())) return false; ClientTransaction clientTransaction = responseEvent.getClientTransaction(); Request request = clientTransaction.getRequest(); /* * Don't handle responses to requests not coming from this event * package. */ if (request != null) { EventHeader eventHeader = (EventHeader) request.getHeader(EventHeader.NAME); if ((eventHeader == null) || !eventPackage.equalsIgnoreCase(eventHeader.getEventType())) return false; } // Find the subscription. CallIdHeader callIdHeader = (CallIdHeader) response.getHeader(CallIdHeader.NAME); String callId = callIdHeader.getCallId(); Subscription subscription = getSubscription(callId); // if it's the response to an unsubscribe message, we just ignore it // whatever the response is however if we need to handle a // challenge, we do it ExpiresHeader expHeader = response.getExpires(); int statusCode = response.getStatusCode(); SipProvider sourceProvider = (SipProvider) responseEvent.getSource(); if (((expHeader != null) && (expHeader.getExpires() == 0)) || (subscription == null)) // this handle the unsubscription // case where we removed the contact // from subscribedContacts { boolean processed = false; if ((statusCode == Response.UNAUTHORIZED) || (statusCode == Response.PROXY_AUTHENTICATION_REQUIRED)) { try { processAuthenticationChallenge(clientTransaction, response, sourceProvider); processed = true; } catch (OperationFailedException e) { logger.error("can't handle the challenge", e); } } else if ((statusCode != Response.OK) && (statusCode != Response.ACCEPTED)) processed = true; // any other cases (200/202) will imply a NOTIFY, so we will // handle the end of a subscription there return processed; } if ((statusCode >= Response.OK) && (statusCode < Response.MULTIPLE_CHOICES)) { // OK (200/202) if ((statusCode == Response.OK) || (statusCode == Response.ACCEPTED)) { if (expHeader == null) { // not conform to rfc3265 logger.error("no Expires header in this response"); return false; } SubscriptionRefreshTask refreshTask = new SubscriptionRefreshTask(subscription); subscription.setTimerTask(refreshTask); int refreshDelay = expHeader.getExpires(); // try to keep a margin if the refresh delay allows it if (refreshDelay >= (2 * refreshMargin)) refreshDelay -= refreshMargin; timer.schedule(refreshTask, refreshDelay * 1000); // do it to remember the dialog in case of a polling // subscription (which means no call to finalizeSubscription) subscription.setDialog(clientTransaction.getDialog()); subscription.processSuccessResponse(responseEvent, statusCode); } } else if ((statusCode >= Response.MULTIPLE_CHOICES) && (statusCode < Response.BAD_REQUEST)) { if (logger.isInfoEnabled()) logger.info( "Response to subscribe to " + subscription.getAddress() + ": " + response.getReasonPhrase()); } else if (statusCode >= Response.BAD_REQUEST) { // if the response is a 423 response, just re-send the request // with a valid expires value if (statusCode == Response.INTERVAL_TOO_BRIEF) { MinExpiresHeader min = (MinExpiresHeader) response.getHeader(MinExpiresHeader.NAME); if (min == null) { logger.error("no minimal expires value in this 423 " + "response"); return false; } ExpiresHeader exp = request.getExpires(); try { exp.setExpires(min.getExpires()); } catch (InvalidArgumentException e) { logger.error("can't set the new expires value", e); return false; } ClientTransaction transac = null; try { transac = protocolProvider.getDefaultJainSipProvider().getNewClientTransaction(request); } catch (TransactionUnavailableException e) { logger.error("can't create the client transaction", e); return false; } try { transac.sendRequest(); } catch (SipException e) { logger.error("can't send the new request", e); return false; } return true; // UNAUTHORIZED (401/407) } else if ((statusCode == Response.UNAUTHORIZED) || (statusCode == Response.PROXY_AUTHENTICATION_REQUIRED)) { try { processAuthenticationChallenge(clientTransaction, response, sourceProvider); } catch (OperationFailedException e) { logger.error("can't handle the challenge", e); removeSubscription(callId, subscription); subscription.processFailureResponse(responseEvent, statusCode); } // 408 480 486 600 603 : non definitive reject // others: definitive reject (or not implemented) } else { if (logger.isDebugEnabled()) logger.debug("error received from the network:\n" + response); removeSubscription(callId, subscription); subscription.processFailureResponse(responseEvent, statusCode); } } return true; }