public void handleInitialInvite(SipRequest sipRequest) { initialIncomingInvite = true; // generate 180 Ringing SipResponse sipResponse = buildGenericResponse(sipRequest, RFC3261.CODE_180_RINGING, RFC3261.REASON_180_RINGING); Dialog dialog = buildDialogForUas(sipResponse, sipRequest); // here dialog is already stored in dialogs in DialogManager InviteServerTransaction inviteServerTransaction = (InviteServerTransaction) transactionManager.createServerTransaction( sipResponse, userAgent.getSipPort(), RFC3261.TRANSPORT_UDP, this, sipRequest); inviteServerTransaction.start(); inviteServerTransaction.receivedRequest(sipRequest); // TODO send 180 more than once inviteServerTransaction.sendReponse(sipResponse); dialog.receivedOrSent1xx(); SipListener sipListener = userAgent.getSipListener(); if (sipListener != null) { sipListener.incomingCall(sipRequest, sipResponse); } List<String> peers = userAgent.getPeers(); String responseTo = sipRequest.getSipHeaders().get(new SipHeaderFieldName(RFC3261.HDR_FROM)).getValue(); if (!peers.contains(responseTo)) { peers.add(responseTo); } }
public void errResponseReceived(final SipResponse sipResponse) { Dialog dialog = dialogManager.getDialog(sipResponse); if (dialog != null) { dialog.receivedOrSent300To699(); dialogManager.removeDialog(dialog.getId()); } int statusCode = sipResponse.getStatusCode(); if (statusCode == RFC3261.CODE_401_UNAUTHORIZED || statusCode == RFC3261.CODE_407_PROXY_AUTHENTICATION_REQUIRED && !challenged) { InviteClientTransaction inviteClientTransaction = (InviteClientTransaction) transactionManager.getClientTransaction(sipResponse); SipRequest sipRequest = inviteClientTransaction.getRequest(); String password = userAgent.getConfig().getPassword(); if (password != null && !"".equals(password.trim())) { challengeManager.handleChallenge(sipRequest, sipResponse); } challenged = true; return; } else { challenged = false; } SipListener sipListener = userAgent.getSipListener(); if (sipListener != null) { sipListener.error(sipResponse); } List<String> guiClosedCallIds = userAgent.getUac().getGuiClosedCallIds(); String callId = Utils.getMessageCallId(sipResponse); if (guiClosedCallIds.contains(callId)) { guiClosedCallIds.remove(callId); } userAgent.getMediaManager().setDatagramSocket(null); }
public void provResponseReceived(SipResponse sipResponse, Transaction transaction) { // dialog may have already been created if a previous 1xx has // already been received Dialog dialog = dialogManager.getDialog(sipResponse); boolean isFirstProvRespWithToTag = false; if (dialog == null) { SipHeaderFieldValue to = sipResponse.getSipHeaders().get(new SipHeaderFieldName(RFC3261.HDR_TO)); String toTag = to.getParam(new SipHeaderParamName(RFC3261.PARAM_TAG)); if (toTag != null) { dialog = dialogManager.createDialog(sipResponse); isFirstProvRespWithToTag = true; } else { // TODO maybe stop retransmissions } } if (dialog != null) { buildOrUpdateDialogForUac(sipResponse, transaction); } // // if (dialog == null && sipResponse.getStatusCode() != RFC3261.CODE_100_TRYING) { // logger.debug("dialog not found for prov response"); // isFirstProvRespWithToTag = true; // SipHeaderFieldValue to = sipResponse.getSipHeaders() // .get(new SipHeaderFieldName(RFC3261.HDR_TO)); // String toTag = to.getParam(new SipHeaderParamName(RFC3261.PARAM_TAG)); // if (toTag != null) { // dialog = buildOrUpdateDialogForUac(sipResponse, transaction); // } // } // TODO this notification is probably useless because dialog state modification // thereafter always notify dialog observers if (isFirstProvRespWithToTag) { SipListener sipListener = userAgent.getSipListener(); if (sipListener != null) { sipListener.ringing(sipResponse); } dialog.receivedOrSent1xx(); } List<String> guiClosedCallIds = userAgent.getUac().getGuiClosedCallIds(); String callId = Utils.getMessageCallId(sipResponse); if (guiClosedCallIds.contains(callId)) { SipRequest sipRequest = transaction.getRequest(); logger.debug( "cancel after prov response: sipRequest " + sipRequest + ", sipResponse " + sipResponse); userAgent.terminate(sipRequest); } }
public void successResponseReceived(SipResponse sipResponse, Transaction transaction) { SipHeaders responseHeaders = sipResponse.getSipHeaders(); String cseq = responseHeaders.get(new SipHeaderFieldName(RFC3261.HDR_CSEQ)).getValue(); String method = cseq.substring(cseq.trim().lastIndexOf(' ') + 1); if (!RFC3261.METHOD_INVITE.equals(method)) { return; } challenged = false; // 13.2.2.4 List<String> peers = userAgent.getPeers(); String responseTo = responseHeaders.get(new SipHeaderFieldName(RFC3261.HDR_TO)).getValue(); if (!peers.contains(responseTo)) { peers.add(responseTo); // timer used to purge dialogs which are not confirmed // after a given time ackTimer.schedule(new AckTimerTask(responseTo), 64 * RFC3261.TIMER_T1); } Dialog dialog = dialogManager.getDialog(sipResponse); if (dialog != null) { // dialog already created with a 180 for example dialog.setRouteSet(computeRouteSet(sipResponse.getSipHeaders())); } dialog = buildOrUpdateDialogForUac(sipResponse, transaction); SipListener sipListener = userAgent.getSipListener(); if (sipListener != null) { sipListener.calleePickup(sipResponse); } // added for media SessionDescription sessionDescription = sdpManager.parse(sipResponse.getBody()); try { mediaDestination = sdpManager.getMediaDestination(sessionDescription); } catch (NoCodecException e) { logger.error(e.getMessage(), e); } String remoteAddress = mediaDestination.getDestination(); int remotePort = mediaDestination.getPort(); Codec codec = mediaDestination.getCodec(); String localAddress = userAgent.getConfig().getLocalInetAddress().getHostAddress(); userAgent .getMediaManager() .successResponseReceived(localAddress, remoteAddress, remotePort, codec); // switch to confirmed state dialog.receivedOrSent2xx(); // generate ack // p. 82 §3 SipRequest ack = dialog.buildSubsequentRequest(RFC3261.METHOD_ACK); // update CSeq SipHeaders ackHeaders = ack.getSipHeaders(); SipHeaderFieldName cseqName = new SipHeaderFieldName(RFC3261.HDR_CSEQ); SipHeaderFieldValue ackCseq = ackHeaders.get(cseqName); SipRequest request = transaction.getRequest(); SipHeaders requestHeaders = request.getSipHeaders(); SipHeaderFieldValue requestCseq = requestHeaders.get(cseqName); ackCseq.setValue(requestCseq.toString().replace(RFC3261.METHOD_INVITE, RFC3261.METHOD_ACK)); // add Via with only the branchid parameter SipHeaderFieldValue via = new SipHeaderFieldValue(""); SipHeaderParamName branchIdName = new SipHeaderParamName(RFC3261.PARAM_BRANCH); via.addParam(branchIdName, Utils.generateBranchId()); ackHeaders.add(new SipHeaderFieldName(RFC3261.HDR_VIA), via, 0); // TODO authentication headers if (request.getBody() == null && sipResponse.getBody() != null) { // TODO add a real SDP answer ack.setBody(sipResponse.getBody()); } // TODO check if sdp is acceptable SipURI destinationUri = RequestManager.getDestinationUri(ack, logger); challengeManager.postProcess(ack); // TODO if header route is present, addrspec = toproute.nameaddress.addrspec String transport = RFC3261.TRANSPORT_UDP; Hashtable<String, String> params = destinationUri.getUriParameters(); if (params != null) { String reqUriTransport = params.get(RFC3261.PARAM_TRANSPORT); if (reqUriTransport != null) { transport = reqUriTransport; } } int port = destinationUri.getPort(); if (port == SipURI.DEFAULT_PORT) { port = RFC3261.TRANSPORT_DEFAULT_PORT; } SipURI sipUri = userAgent.getConfig().getOutboundProxy(); if (sipUri == null) { sipUri = destinationUri; } InetAddress inetAddress; try { inetAddress = InetAddress.getByName(sipUri.getHost()); } catch (UnknownHostException e) { logger.error("unknown host: " + sipUri.getHost(), e); return; } try { MessageSender sender = transportManager.createClientTransport(ack, inetAddress, port, transport); sender.sendMessage(ack); } catch (IOException e) { logger.error("input/output error", e); } List<String> guiClosedCallIds = userAgent.getUac().getGuiClosedCallIds(); String callId = Utils.getMessageCallId(sipResponse); if (guiClosedCallIds.contains(callId)) { userAgent.terminate(request); } }