use of javax.sip.ClientTransaction in project camel by apache.
the class SipSubscriber method doStart.
@Override
protected void doStart() throws Exception {
super.doStart();
Properties properties = configuration.createInitialProperties();
sipStack = configuration.getSipFactory().createSipStack(properties);
configuration.parseURI();
sipSubscriptionListener = new SipSubscriptionListener(this);
ListeningPoint listeningPoint = sipStack.createListeningPoint(configuration.getFromHost(), Integer.valueOf(configuration.getFromPort()).intValue(), configuration.getTransport());
configuration.setListeningPoint(listeningPoint);
provider = sipStack.createSipProvider(configuration.getListeningPoint());
provider.addSipListener(sipSubscriptionListener);
if (configuration.getCallIdHeader() == null) {
configuration.setCallIdHeader(provider.getNewCallId());
}
// Create the Subscription request to register with the presence agent and receive notifications.
configuration.setCallIdHeader(provider.getNewCallId());
Request request = configuration.createSipRequest(1, Request.SUBSCRIBE, configuration.getEventHeaderName());
// Create the subscriber transaction from request.
ClientTransaction subscriberTransactionId = provider.getNewClientTransaction(request);
// Add an Event header for the subscription.
request.addHeader(configuration.getEventHeader());
subscriberDialog = subscriberTransactionId.getDialog();
// Send the outgoing subscription request.
subscriberTransactionId.sendRequest();
}
use of javax.sip.ClientTransaction in project XobotOS by xamarin.
the class SipHelper method sendReinvite.
public ClientTransaction sendReinvite(Dialog dialog, String sessionDescription) throws SipException {
try {
Request request = dialog.createRequest(Request.INVITE);
request.setContent(sessionDescription, mHeaderFactory.createContentTypeHeader("application", "sdp"));
// Adding rport argument in the request could fix some SIP servers
// in resolving the initiator's NAT port mapping for relaying the
// response message from the other end.
ViaHeader viaHeader = (ViaHeader) request.getHeader(ViaHeader.NAME);
if (viaHeader != null)
viaHeader.setRPort();
ClientTransaction clientTransaction = mSipProvider.getNewClientTransaction(request);
if (DEBUG)
Log.d(TAG, "send RE-INVITE: " + request);
dialog.sendRequest(clientTransaction);
return clientTransaction;
} catch (ParseException e) {
throw new SipException("sendReinvite()", e);
}
}
use of javax.sip.ClientTransaction in project XobotOS by xamarin.
the class DialogFilter method processRequest.
/**
* Process a request. Check for various conditions in the dialog that can result in the
* message being dropped. Possibly return errors for these conditions.
*
* @exception SIPServerException is thrown when there is an error processing the request.
*/
public void processRequest(SIPRequest sipRequest, MessageChannel incomingMessageChannel) {
// Generate the wrapper JAIN-SIP object.
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("PROCESSING INCOMING REQUEST " + sipRequest + " transactionChannel = " + transactionChannel + " listening point = " + listeningPoint.getIPAddress() + ":" + listeningPoint.getPort());
if (listeningPoint == null) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Dropping message: No listening point registered!");
return;
}
SipStackImpl sipStack = (SipStackImpl) transactionChannel.getSIPStack();
SipProviderImpl sipProvider = listeningPoint.getProvider();
if (sipProvider == null) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("No provider - dropping !!");
return;
}
if (sipStack == null)
InternalErrorHandler.handleException("Egads! no sip stack!");
// Look for the registered SIPListener for the message channel.
SIPServerTransaction transaction = (SIPServerTransaction) this.transactionChannel;
if (transaction != null) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("transaction state = " + transaction.getState());
}
String dialogId = sipRequest.getDialogId(true);
SIPDialog dialog = sipStack.getDialog(dialogId);
/*
* Check if we got this request on the contact address of the dialog If not the dialog
* does not belong to this request. We check this condition if a contact address has been
* assigned to the dialog. Forgive the sins of B2BUA's that like to record route ACK's
*/
if (dialog != null && sipProvider != dialog.getSipProvider()) {
Contact contact = dialog.getMyContactHeader();
if (contact != null) {
SipUri contactUri = (SipUri) (contact.getAddress().getURI());
String ipAddress = contactUri.getHost();
int contactPort = contactUri.getPort();
String contactTransport = contactUri.getTransportParam();
if (contactTransport == null)
contactTransport = "udp";
if (contactPort == -1) {
if (contactTransport.equals("udp") || contactTransport.equals("tcp"))
contactPort = 5060;
else
contactPort = 5061;
}
// dialog to the request.
if (ipAddress != null && (!ipAddress.equals(listeningPoint.getIPAddress()) || contactPort != listeningPoint.getPort())) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("nulling dialog -- listening point mismatch! " + contactPort + " lp port = " + listeningPoint.getPort());
}
dialog = null;
}
}
}
/*
* RFC 3261 8.2.2.2 Merged requests: If the request has no tag in the To header field, the
* UAS core MUST check the request against ongoing transactions. If the From tag, Call-ID,
* and CSeq exactly match those associated with an ongoing transaction, but the request
* does not match that transaction (based on the matching rules in Section 17.2.3), the
* UAS core SHOULD generate a 482 (Loop Detected) response and pass it to the server
* transaction. This support is only enabled when the stack has been instructed to
* function with Automatic Dialog Support.
*/
if (sipProvider.isAutomaticDialogSupportEnabled() && sipProvider.isDialogErrorsAutomaticallyHandled() && sipRequest.getToTag() == null) {
SIPServerTransaction sipServerTransaction = sipStack.findMergedTransaction(sipRequest);
if (sipServerTransaction != null) {
this.sendLoopDetectedResponse(sipRequest, transaction);
return;
}
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("dialogId = " + dialogId);
sipStack.getStackLogger().logDebug("dialog = " + dialog);
}
// endpoint, then the stack strips off the route header.
if (sipRequest.getHeader(Route.NAME) != null && transaction.getDialog() != null) {
RouteList routes = sipRequest.getRouteHeaders();
Route route = (Route) routes.getFirst();
SipUri uri = (SipUri) route.getAddress().getURI();
int port;
if (uri.getHostPort().hasPort()) {
port = uri.getHostPort().getPort();
} else {
if (listeningPoint.getTransport().equalsIgnoreCase("TLS"))
port = 5061;
else
port = 5060;
}
String host = uri.getHost();
if ((host.equals(listeningPoint.getIPAddress()) || host.equalsIgnoreCase(listeningPoint.getSentBy())) && port == listeningPoint.getPort()) {
if (routes.size() == 1)
sipRequest.removeHeader(Route.NAME);
else
routes.removeFirst();
}
}
if (sipRequest.getMethod().equals(Request.REFER) && dialog != null && sipProvider.isDialogErrorsAutomaticallyHandled()) {
/*
* An agent responding to a REFER method MUST return a 400 (Bad Request) if the
* request contained zero or more than one Refer-To header field values.
*/
ReferToHeader sipHeader = (ReferToHeader) sipRequest.getHeader(ReferTo.NAME);
if (sipHeader == null) {
this.sendBadRequestResponse(sipRequest, transaction, "Refer-To header is missing");
return;
}
/*
* A refer cannot be processed until we have either sent or received an ACK.
*/
SIPTransaction lastTransaction = ((SIPDialog) dialog).getLastTransaction();
if (lastTransaction != null && sipProvider.isDialogErrorsAutomaticallyHandled()) {
SIPRequest lastRequest = (SIPRequest) lastTransaction.getRequest();
if (lastTransaction instanceof SIPServerTransaction) {
if (!((SIPDialog) dialog).isAckSeen() && lastRequest.getMethod().equals(Request.INVITE)) {
this.sendRequestPendingResponse(sipRequest, transaction);
return;
}
} else if (lastTransaction instanceof SIPClientTransaction) {
long cseqno = lastRequest.getCSeqHeader().getSeqNumber();
String method = lastRequest.getMethod();
if (method.equals(Request.INVITE) && !dialog.isAckSent(cseqno)) {
this.sendRequestPendingResponse(sipRequest, transaction);
return;
}
}
}
} else if (sipRequest.getMethod().equals(Request.UPDATE)) {
/*
* Got an UPDATE method and the user dialog does not exist and the user wants to be a
* User agent.
*
*/
if (sipProvider.isAutomaticDialogSupportEnabled() && dialog == null) {
this.sendCallOrTransactionDoesNotExistResponse(sipRequest, transaction);
return;
}
} else if (sipRequest.getMethod().equals(Request.ACK)) {
if (transaction != null && transaction.isInviteTransaction()) {
// take care of it.
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Processing ACK for INVITE Tx ");
} else {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Processing ACK for dialog " + dialog);
if (dialog == null) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Dialog does not exist " + sipRequest.getFirstLine() + " isServerTransaction = " + true);
}
SIPServerTransaction st = sipStack.getRetransmissionAlertTransaction(dialogId);
if (st != null && st.isRetransmissionAlertEnabled()) {
st.disableRetransmissionAlerts();
}
/*
* JvB: must never drop ACKs that dont match a transaction! One cannot be sure
* if it isn't an ACK for a 2xx response
*
*/
SIPServerTransaction ackTransaction = sipStack.findTransactionPendingAck(sipRequest);
/*
* Found a transaction ( that we generated ) which is waiting for ACK. So ACK
* it and return.
*/
if (ackTransaction != null) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Found Tx pending ACK");
try {
ackTransaction.setAckSeen();
sipStack.removeTransaction(ackTransaction);
sipStack.removeTransactionPendingAck(ackTransaction);
} catch (Exception ex) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logError("Problem terminating transaction", ex);
}
}
return;
}
} else {
if (!dialog.handleAck(transaction)) {
if (!dialog.isSequnceNumberValidation()) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Dialog exists with loose dialog validation " + sipRequest.getFirstLine() + " isServerTransaction = " + true + " dialog = " + dialog.getDialogId());
}
SIPServerTransaction st = sipStack.getRetransmissionAlertTransaction(dialogId);
if (st != null && st.isRetransmissionAlertEnabled()) {
st.disableRetransmissionAlerts();
}
} else {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Dropping ACK - cannot find a transaction or dialog");
}
SIPServerTransaction ackTransaction = sipStack.findTransactionPendingAck(sipRequest);
if (ackTransaction != null) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Found Tx pending ACK");
try {
ackTransaction.setAckSeen();
sipStack.removeTransaction(ackTransaction);
sipStack.removeTransactionPendingAck(ackTransaction);
} catch (Exception ex) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logError("Problem terminating transaction", ex);
}
}
}
return;
}
} else {
transaction.passToListener();
dialog.addTransaction(transaction);
dialog.addRoute(sipRequest);
transaction.setDialog(dialog, dialogId);
if (sipRequest.getMethod().equals(Request.INVITE) && sipProvider.isDialogErrorsAutomaticallyHandled()) {
sipStack.putInMergeTable(transaction, sipRequest);
}
if (sipStack.deliverTerminatedEventForAck) {
try {
sipStack.addTransaction(transaction);
transaction.scheduleAckRemoval();
} catch (IOException ex) {
}
} else {
transaction.setMapped(true);
}
}
}
}
} else if (sipRequest.getMethod().equals(Request.PRACK)) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Processing PRACK for dialog " + dialog);
if (dialog == null && sipProvider.isAutomaticDialogSupportEnabled()) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Dialog does not exist " + sipRequest.getFirstLine() + " isServerTransaction = " + true);
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Sending 481 for PRACK - automatic dialog support is enabled -- cant find dialog!");
}
SIPResponse notExist = sipRequest.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST);
try {
sipProvider.sendResponse(notExist);
} catch (SipException e) {
sipStack.getStackLogger().logError("error sending response", e);
}
if (transaction != null) {
sipStack.removeTransaction(transaction);
transaction.releaseSem();
}
return;
} else if (dialog != null) {
if (!dialog.handlePrack(sipRequest)) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Dropping out of sequence PRACK ");
if (transaction != null) {
sipStack.removeTransaction(transaction);
transaction.releaseSem();
}
return;
} else {
try {
sipStack.addTransaction(transaction);
dialog.addTransaction(transaction);
dialog.addRoute(sipRequest);
transaction.setDialog(dialog, dialogId);
} catch (Exception ex) {
InternalErrorHandler.handleException(ex);
}
}
} else {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Processing PRACK without a DIALOG -- this must be a proxy element");
}
} else if (sipRequest.getMethod().equals(Request.BYE)) {
// Check for correct sequence numbering of the BYE
if (dialog != null && !dialog.isRequestConsumable(sipRequest)) {
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Dropping out of sequence BYE " + dialog.getRemoteSeqNumber() + " " + sipRequest.getCSeq().getSeqNumber());
if (dialog.getRemoteSeqNumber() >= sipRequest.getCSeq().getSeqNumber() && transaction.getState() == TransactionState.TRYING) {
this.sendServerInternalErrorResponse(sipRequest, transaction);
}
// If the stack knows about the tx, then remove it.
if (transaction != null)
sipStack.removeTransaction(transaction);
return;
} else if (dialog == null && sipProvider.isAutomaticDialogSupportEnabled()) {
// Drop bye's with 481 if dialog does not exist.
// If dialog support is enabled then
// there must be a dialog associated with the bye
// No dialog could be found and requests on this
// provider. Must act like a user agent -- so drop the request.
// NOTE: if Automatic dialog support is not enabled,
// then it is the application's responsibility to
// take care of this error condition possibly.
SIPResponse response = sipRequest.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST);
response.setReasonPhrase("Dialog Not Found");
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("dropping request -- automatic dialog " + "support enabled and dialog does not exist!");
try {
transaction.sendResponse(response);
} catch (SipException ex) {
sipStack.getStackLogger().logError("Error in sending response", ex);
}
// If the stack knows about the tx, then remove it.
if (transaction != null) {
sipStack.removeTransaction(transaction);
transaction.releaseSem();
transaction = null;
}
return;
}
// to manage its own dialog layer.
if (transaction != null && dialog != null) {
try {
if (sipProvider == dialog.getSipProvider()) {
sipStack.addTransaction(transaction);
dialog.addTransaction(transaction);
transaction.setDialog(dialog, dialogId);
}
} catch (IOException ex) {
InternalErrorHandler.handleException(ex);
}
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("BYE Tx = " + transaction + " isMapped =" + transaction.isTransactionMapped());
}
} else if (sipRequest.getMethod().equals(Request.CANCEL)) {
SIPServerTransaction st = (SIPServerTransaction) sipStack.findCancelTransaction(sipRequest, true);
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Got a CANCEL, InviteServerTx = " + st + " cancel Server Tx ID = " + transaction + " isMapped = " + transaction.isTransactionMapped());
}
// Check if we can process the CANCEL request.
if (sipRequest.getMethod().equals(Request.CANCEL)) {
// default action and avoid bothering the listener.
if (st != null && st.getState() == SIPTransaction.TERMINATED_STATE) {
// just respond OK to the CANCEL and bail.
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Too late to cancel Transaction");
// send OK and just ignore the CANCEL.
try {
transaction.sendResponse(sipRequest.createResponse(Response.OK));
} catch (Exception ex) {
if (ex.getCause() != null && ex.getCause() instanceof IOException) {
st.raiseIOExceptionEvent();
}
}
return;
}
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Cancel transaction = " + st);
}
if (transaction != null && st != null && st.getDialog() != null) {
// Found an invite tx corresponding to the CANCEL.
// Set up the client tx and pass up to listener.
transaction.setDialog((SIPDialog) st.getDialog(), dialogId);
dialog = (SIPDialog) st.getDialog();
} else if (st == null && sipProvider.isAutomaticDialogSupportEnabled() && transaction != null) {
// Could not find a invite tx corresponding to the CANCEL.
// Automatic dialog support is enabled so I must behave like
// an endpoint on this provider.
// Send the error response for the cancel.
SIPResponse response = sipRequest.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST);
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("dropping request -- automatic dialog support " + "enabled and INVITE ST does not exist!");
}
try {
sipProvider.sendResponse(response);
} catch (SipException ex) {
InternalErrorHandler.handleException(ex);
}
if (transaction != null) {
sipStack.removeTransaction(transaction);
transaction.releaseSem();
}
return;
}
// statefully handled.
if (st != null) {
try {
if (transaction != null) {
sipStack.addTransaction(transaction);
transaction.setPassToListener();
transaction.setInviteTransaction(st);
// Dont let the INVITE and CANCEL be concurrently
// processed.
st.acquireSem();
}
} catch (Exception ex) {
InternalErrorHandler.handleException(ex);
}
}
} else if (sipRequest.getMethod().equals(Request.INVITE)) {
SIPTransaction lastTransaction = dialog == null ? null : dialog.getInviteTransaction();
if (dialog != null && transaction != null && lastTransaction != null && sipRequest.getCSeq().getSeqNumber() > dialog.getRemoteSeqNumber() && lastTransaction instanceof SIPServerTransaction && sipProvider.isDialogErrorsAutomaticallyHandled() && dialog.isSequnceNumberValidation() && lastTransaction.isInviteTransaction() && lastTransaction.getState() != TransactionState.COMPLETED && lastTransaction.getState() != TransactionState.TERMINATED && lastTransaction.getState() != TransactionState.CONFIRMED) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Sending 500 response for out of sequence message");
}
this.sendServerInternalErrorResponse(sipRequest, transaction);
return;
}
/*
* Saw an interleaved invite before ACK was sent. RFC 3261 Chapter 14. A UAS that
* receives an INVITE on a dialog while an INVITE it had sent on that dialog is in
* progress MUST return a 491 (Request Pending) response to the received INVITE.
*/
lastTransaction = (dialog == null ? null : dialog.getLastTransaction());
if (dialog != null && sipProvider.isDialogErrorsAutomaticallyHandled() && lastTransaction != null && lastTransaction.isInviteTransaction() && lastTransaction instanceof ClientTransaction && lastTransaction.getLastResponse() != null && lastTransaction.getLastResponse().getStatusCode() == 200 && !dialog.isAckSent(lastTransaction.getLastResponse().getCSeq().getSeqNumber())) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Sending 491 response for client Dialog ACK not sent.");
}
this.sendRequestPendingResponse(sipRequest, transaction);
return;
}
if (dialog != null && lastTransaction != null && sipProvider.isDialogErrorsAutomaticallyHandled() && lastTransaction.isInviteTransaction() && lastTransaction instanceof ServerTransaction && !dialog.isAckSeen()) {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Sending 491 response for server Dialog ACK not seen.");
}
this.sendRequestPendingResponse(sipRequest, transaction);
return;
}
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("CHECK FOR OUT OF SEQ MESSAGE " + dialog + " transaction " + transaction);
}
if (dialog != null && transaction != null && !sipRequest.getMethod().equals(Request.BYE) && !sipRequest.getMethod().equals(Request.CANCEL) && !sipRequest.getMethod().equals(Request.ACK) && !sipRequest.getMethod().equals(Request.PRACK)) {
if (!dialog.isRequestConsumable(sipRequest)) {
// Drop the request
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Dropping out of sequence message " + dialog.getRemoteSeqNumber() + " " + sipRequest.getCSeq());
}
if (dialog.getRemoteSeqNumber() >= sipRequest.getCSeq().getSeqNumber() && sipProvider.isDialogErrorsAutomaticallyHandled() && (transaction.getState() == TransactionState.TRYING || transaction.getState() == TransactionState.PROCEEDING)) {
this.sendServerInternalErrorResponse(sipRequest, transaction);
}
return;
}
try {
if (sipProvider == dialog.getSipProvider()) {
sipStack.addTransaction(transaction);
// This will set the remote sequence number.
dialog.addTransaction(transaction);
dialog.addRoute(sipRequest);
transaction.setDialog(dialog, dialogId);
}
} catch (IOException ex) {
transaction.raiseIOExceptionEvent();
sipStack.removeTransaction(transaction);
return;
}
}
RequestEvent sipEvent;
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug(sipRequest.getMethod() + " transaction.isMapped = " + transaction.isTransactionMapped());
}
if (dialog == null && sipRequest.getMethod().equals(Request.NOTIFY)) {
SIPClientTransaction pendingSubscribeClientTx = sipStack.findSubscribeTransaction(sipRequest, listeningPoint);
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("PROCESSING NOTIFY DIALOG == null " + pendingSubscribeClientTx);
}
/*
* RFC 3265: Upon receiving a NOTIFY request, the subscriber should check that it
* matches at least one of its outstanding subscriptions; if not, it MUST return a
* "481 Subscription does not exist" response unless another 400- or -class response
* is more appropriate.
*/
if (sipProvider.isAutomaticDialogSupportEnabled() && pendingSubscribeClientTx == null && !sipStack.deliverUnsolicitedNotify) {
/*
* This is the case of the UAC receiving a Stray NOTIFY for which it has not
* previously sent out a SUBSCRIBE and for which it does not have an established
* dialog.
*/
try {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Could not find Subscription for Notify Tx.");
}
Response errorResponse = sipRequest.createResponse(Response.CALL_OR_TRANSACTION_DOES_NOT_EXIST);
errorResponse.setReasonPhrase("Subscription does not exist");
sipProvider.sendResponse(errorResponse);
return;
} catch (Exception ex) {
sipStack.getStackLogger().logError("Exception while sending error response statelessly", ex);
return;
}
}
// notify to this dialog and pass it up.
if (pendingSubscribeClientTx != null) {
// The response to the pending subscribe tx can try to create
// a dialog at the same time that the notify is trying to
// create a dialog. Thus we cannot process both at the
// same time.
transaction.setPendingSubscribe(pendingSubscribeClientTx);
// The transaction gets assigned to the dialog from the
// outgoing subscribe. First see if anybody claimed the
// default Dialog for the outgoing Subscribe request.
SIPDialog subscriptionDialog = (SIPDialog) pendingSubscribeClientTx.getDefaultDialog();
// TODO -- refactor this. Can probably be written far cleaner.
if (subscriptionDialog == null || subscriptionDialog.getDialogId() == null || !subscriptionDialog.getDialogId().equals(dialogId)) {
// the notify.
if (subscriptionDialog != null && subscriptionDialog.getDialogId() == null) {
subscriptionDialog.setDialogId(dialogId);
} else {
subscriptionDialog = pendingSubscribeClientTx.getDialog(dialogId);
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("PROCESSING NOTIFY Subscribe DIALOG " + subscriptionDialog);
}
// the SUBSCRIBE on the subscribe tx.
if (subscriptionDialog == null && (sipProvider.isAutomaticDialogSupportEnabled() || pendingSubscribeClientTx.getDefaultDialog() != null)) {
Event event = (Event) sipRequest.getHeader(EventHeader.NAME);
if (sipStack.isEventForked(event.getEventType())) {
subscriptionDialog = SIPDialog.createFromNOTIFY(pendingSubscribeClientTx, transaction);
}
}
if (subscriptionDialog != null) {
transaction.setDialog(subscriptionDialog, dialogId);
subscriptionDialog.setState(DialogState.CONFIRMED.getValue());
sipStack.putDialog(subscriptionDialog);
pendingSubscribeClientTx.setDialog(subscriptionDialog, dialogId);
if (!transaction.isTransactionMapped()) {
this.sipStack.mapTransaction(transaction);
// Let the listener see it if it just got
// created.
// otherwise, we have already processed the tx
// so
// we dont want the listener to see it.
transaction.setPassToListener();
try {
this.sipStack.addTransaction(transaction);
} catch (Exception ex) {
}
}
}
} else {
// The subscription default dialog is our dialog.
// Found a subscrbe dialog for the NOTIFY
// So map the tx.
transaction.setDialog(subscriptionDialog, dialogId);
dialog = subscriptionDialog;
if (!transaction.isTransactionMapped()) {
this.sipStack.mapTransaction(transaction);
// Let the listener see it if it just got created.
// otherwise, we have already processed the tx so
// we dont want the listener to see it.
transaction.setPassToListener();
try {
this.sipStack.addTransaction(transaction);
} catch (Exception ex) {
}
}
sipStack.putDialog(subscriptionDialog);
if (pendingSubscribeClientTx != null) {
subscriptionDialog.addTransaction(pendingSubscribeClientTx);
pendingSubscribeClientTx.setDialog(subscriptionDialog, dialogId);
}
}
if (transaction != null && ((SIPServerTransaction) transaction).isTransactionMapped()) {
// Shadow transaction has been created and the stack
// knows
// about it.
sipEvent = new RequestEvent((SipProvider) sipProvider, (ServerTransaction) transaction, subscriptionDialog, (Request) sipRequest);
} else {
// Shadow transaction has been created but the stack
// does
// not know
// about it.
sipEvent = new RequestEvent((SipProvider) sipProvider, null, subscriptionDialog, (Request) sipRequest);
}
} else {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("could not find subscribe tx");
}
// Got a notify out of the blue - just pass it up
// for stateless handling by the application.
sipEvent = new RequestEvent(sipProvider, null, null, (Request) sipRequest);
}
} else {
// The listener can create the dialog if needed.
if (transaction != null && (((SIPServerTransaction) transaction).isTransactionMapped())) {
sipEvent = new RequestEvent(sipProvider, (ServerTransaction) transaction, dialog, (Request) sipRequest);
} else {
sipEvent = new RequestEvent(sipProvider, null, dialog, (Request) sipRequest);
}
}
sipProvider.handleEvent(sipEvent, transaction);
}
use of javax.sip.ClientTransaction in project XobotOS by xamarin.
the class AuthenticationHelperImpl method handleChallenge.
/*
* (non-Javadoc)
*
* @see gov.nist.javax.sip.clientauthutils.AuthenticationHelper#handleChallenge(javax.sip.message.Response,
* javax.sip.ClientTransaction, javax.sip.SipProvider)
*/
public ClientTransaction handleChallenge(Response challenge, ClientTransaction challengedTransaction, SipProvider transactionCreator, int cacheTime) throws SipException, NullPointerException {
try {
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("handleChallenge: " + challenge);
}
SIPRequest challengedRequest = ((SIPRequest) challengedTransaction.getRequest());
Request reoriginatedRequest = null;
/*
* If the challenged request is part of a Dialog and the
* Dialog is confirmed the re-originated request should be
* generated as an in-Dialog request.
*/
if (challengedRequest.getToTag() != null || challengedTransaction.getDialog() == null || challengedTransaction.getDialog().getState() != DialogState.CONFIRMED) {
reoriginatedRequest = (Request) challengedRequest.clone();
} else {
/*
* Re-originate the request by consulting the dialog. In particular
* the route set could change between the original request and the
* in-dialog challenge.
*/
reoriginatedRequest = challengedTransaction.getDialog().createRequest(challengedRequest.getMethod());
Iterator<String> headerNames = challengedRequest.getHeaderNames();
while (headerNames.hasNext()) {
String headerName = headerNames.next();
if (reoriginatedRequest.getHeader(headerName) != null) {
ListIterator<Header> iterator = reoriginatedRequest.getHeaders(headerName);
while (iterator.hasNext()) {
reoriginatedRequest.addHeader(iterator.next());
}
}
}
}
// remove the branch id so that we could use the request in a new
// transaction
removeBranchID(reoriginatedRequest);
if (challenge == null || reoriginatedRequest == null) {
throw new NullPointerException("A null argument was passed to handle challenge.");
}
ListIterator authHeaders = null;
if (challenge.getStatusCode() == Response.UNAUTHORIZED) {
authHeaders = challenge.getHeaders(WWWAuthenticateHeader.NAME);
} else if (challenge.getStatusCode() == Response.PROXY_AUTHENTICATION_REQUIRED) {
authHeaders = challenge.getHeaders(ProxyAuthenticateHeader.NAME);
} else {
throw new IllegalArgumentException("Unexpected status code ");
}
if (authHeaders == null) {
throw new IllegalArgumentException("Could not find WWWAuthenticate or ProxyAuthenticate headers");
}
// Remove all authorization headers from the request (we'll re-add them
// from cache)
reoriginatedRequest.removeHeader(AuthorizationHeader.NAME);
reoriginatedRequest.removeHeader(ProxyAuthorizationHeader.NAME);
// rfc 3261 says that the cseq header should be augmented for the new
// request. do it here so that the new dialog (created together with
// the new client transaction) takes it into account.
// Bug report - Fredrik Wickstrom
CSeqHeader cSeq = (CSeqHeader) reoriginatedRequest.getHeader((CSeqHeader.NAME));
try {
cSeq.setSeqNumber(cSeq.getSeqNumber() + 1l);
} catch (InvalidArgumentException ex) {
throw new SipException("Invalid CSeq -- could not increment : " + cSeq.getSeqNumber());
}
/* Resolve this to the next hop based on the previous lookup. If we are not using
* lose routing (RFC2543) then just attach hop as a maddr param.
*/
if (challengedRequest.getRouteHeaders() == null) {
Hop hop = ((SIPClientTransaction) challengedTransaction).getNextHop();
SipURI sipUri = (SipURI) reoriginatedRequest.getRequestURI();
// BEGIN android-added
if (!hop.getHost().equalsIgnoreCase(sipUri.getHost()) && !hop.equals(sipStack.getRouter(challengedRequest).getOutboundProxy()))
// END android-added
sipUri.setMAddrParam(hop.getHost());
if (hop.getPort() != -1)
sipUri.setPort(hop.getPort());
}
ClientTransaction retryTran = transactionCreator.getNewClientTransaction(reoriginatedRequest);
WWWAuthenticateHeader authHeader = null;
SipURI requestUri = (SipURI) challengedTransaction.getRequest().getRequestURI();
while (authHeaders.hasNext()) {
authHeader = (WWWAuthenticateHeader) authHeaders.next();
String realm = authHeader.getRealm();
AuthorizationHeader authorization = null;
String sipDomain;
if (this.accountManager instanceof SecureAccountManager) {
UserCredentialHash credHash = ((SecureAccountManager) this.accountManager).getCredentialHash(challengedTransaction, realm);
URI uri = reoriginatedRequest.getRequestURI();
sipDomain = credHash.getSipDomain();
authorization = this.getAuthorization(reoriginatedRequest.getMethod(), uri.toString(), (reoriginatedRequest.getContent() == null) ? "" : new String(reoriginatedRequest.getRawContent()), authHeader, credHash);
} else {
UserCredentials userCreds = ((AccountManager) this.accountManager).getCredentials(challengedTransaction, realm);
sipDomain = userCreds.getSipDomain();
if (userCreds == null)
throw new SipException("Cannot find user creds for the given user name and realm");
// we haven't yet authenticated this realm since we were
// started.
authorization = this.getAuthorization(reoriginatedRequest.getMethod(), reoriginatedRequest.getRequestURI().toString(), (reoriginatedRequest.getContent() == null) ? "" : new String(reoriginatedRequest.getRawContent()), authHeader, userCreds);
}
if (sipStack.isLoggingEnabled())
sipStack.getStackLogger().logDebug("Created authorization header: " + authorization.toString());
if (cacheTime != 0)
cachedCredentials.cacheAuthorizationHeader(sipDomain, authorization, cacheTime);
reoriginatedRequest.addHeader(authorization);
}
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("Returning authorization transaction." + retryTran);
}
return retryTran;
} catch (SipException ex) {
throw ex;
} catch (Exception ex) {
sipStack.getStackLogger().logError("Unexpected exception ", ex);
throw new SipException("Unexpected exception ", ex);
}
}
use of javax.sip.ClientTransaction in project XobotOS by xamarin.
the class SipProviderImpl method transactionErrorEvent.
/**
* Invoked when an error has ocurred with a transaction. Propagate up to the
* listeners.
*
* @param transactionErrorEvent
* Error event.
*/
public void transactionErrorEvent(SIPTransactionErrorEvent transactionErrorEvent) {
SIPTransaction transaction = (SIPTransaction) transactionErrorEvent.getSource();
if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TRANSPORT_ERROR) {
// There must be a way to inform the TU here!!
if (sipStack.isLoggingEnabled()) {
sipStack.getStackLogger().logDebug("TransportError occured on " + transaction);
}
// Treat this like a timeout event. (Suggestion from Christophe).
Object errorObject = transactionErrorEvent.getSource();
Timeout timeout = Timeout.TRANSACTION;
TimeoutEvent ev = null;
if (errorObject instanceof SIPServerTransaction) {
ev = new TimeoutEvent(this, (ServerTransaction) errorObject, timeout);
} else {
SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
Hop hop = clientTx.getNextHop();
if (sipStack.getRouter() instanceof RouterExt) {
((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
}
ev = new TimeoutEvent(this, (ClientTransaction) errorObject, timeout);
}
// Handling transport error like timeout
this.handleEvent(ev, (SIPTransaction) errorObject);
} else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_ERROR) {
// This is a timeout event.
Object errorObject = transactionErrorEvent.getSource();
Timeout timeout = Timeout.TRANSACTION;
TimeoutEvent ev = null;
if (errorObject instanceof SIPServerTransaction) {
ev = new TimeoutEvent(this, (ServerTransaction) errorObject, timeout);
} else {
SIPClientTransaction clientTx = (SIPClientTransaction) errorObject;
Hop hop = clientTx.getNextHop();
if (sipStack.getRouter() instanceof RouterExt) {
((RouterExt) sipStack.getRouter()).transactionTimeout(hop);
}
ev = new TimeoutEvent(this, (ClientTransaction) errorObject, timeout);
}
this.handleEvent(ev, (SIPTransaction) errorObject);
} else if (transactionErrorEvent.getErrorID() == SIPTransactionErrorEvent.TIMEOUT_RETRANSMIT) {
// This is a timeout retransmit event.
// We should never get this if retransmit filter is
// enabled (ie. in that case the stack should handle.
// all retransmits.
Object errorObject = transactionErrorEvent.getSource();
Transaction tx = (Transaction) errorObject;
if (tx.getDialog() != null)
InternalErrorHandler.handleException("Unexpected event !", this.sipStack.getStackLogger());
Timeout timeout = Timeout.RETRANSMIT;
TimeoutEvent ev = null;
if (errorObject instanceof SIPServerTransaction) {
ev = new TimeoutEvent(this, (ServerTransaction) errorObject, timeout);
} else {
ev = new TimeoutEvent(this, (ClientTransaction) errorObject, timeout);
}
this.handleEvent(ev, (SIPTransaction) errorObject);
}
}
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