/**
* Creates and sends a SUBSCRIBE request to the subscription <tt>Address</tt>/Request URI of a
* specific <tt>Subscription</tt> in order to request receiving event notifications and adds the
* specified <tt>Subscription</tt> to the list of subscriptions managed by this instance. The
* added <tt>Subscription</tt> may later receive notifications to process the <tt>Request</tt>s
* and/or <tt>Response</tt>s which constitute the signaling session associated with it. If the
* attempt to create and send the SUBSCRIBE request fails, the specified <tt>Subscription</tt> is
* not added to the list of subscriptions managed by this instance.
*
* @param subscription a <tt>Subscription</tt> which specifies the properties of the SUBSCRIBE
* request to be created and sent, to be added to the list of subscriptions managed by this
* instance
* @throws OperationFailedException if we fail constructing or sending the subscription request.
*/
public void subscribe(Subscription subscription) throws OperationFailedException {
Dialog dialog = subscription.getDialog();
if ((dialog != null) && DialogState.TERMINATED.equals(dialog.getState())) dialog = null;
// create the subscription
ClientTransaction subscribeTransaction = null;
try {
subscribeTransaction =
(dialog == null)
? createSubscription(subscription, subscriptionDuration)
: createSubscription(subscription, dialog, subscriptionDuration);
} catch (OperationFailedException ex) {
ProtocolProviderServiceSipImpl.throwOperationFailedException(
"Failed to create the subscription", OperationFailedException.INTERNAL_ERROR, ex, logger);
}
// we register the contact to find him when the OK will arrive
CallIdHeader callIdHeader =
(CallIdHeader) subscribeTransaction.getRequest().getHeader(CallIdHeader.NAME);
String callId = callIdHeader.getCallId();
addSubscription(callId, subscription);
// send the message
try {
if (dialog == null) subscribeTransaction.sendRequest();
else dialog.sendRequest(subscribeTransaction);
} catch (SipException ex) {
// this contact will never been accepted or rejected
removeSubscription(callId, subscription);
ProtocolProviderServiceSipImpl.throwOperationFailedException(
"Failed to send the subscription", OperationFailedException.NETWORK_FAILURE, ex, logger);
}
}
/** Process the invite request. */
public void processInvite(RequestEvent requestEvent, ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
Request request = requestEvent.getRequest();
try {
System.out.println("b2bua: got an Invite sending Trying");
ServerTransaction st = requestEvent.getServerTransaction();
if (st == null) {
st = sipProvider.getNewServerTransaction(request);
}
Dialog dialog = st.getDialog();
ToHeader to = (ToHeader) request.getHeader(ToHeader.NAME);
SipURI toUri = (SipURI) to.getAddress().getURI();
SipURI target = registrar.get(toUri.getUser());
if (target == null) {
System.out.println("User " + toUri + " is not registered.");
throw new RuntimeException("User not registered " + toUri);
} else {
ClientTransaction otherLeg = call(target);
otherLeg.setApplicationData(st);
st.setApplicationData(otherLeg);
dialog.setApplicationData(otherLeg.getDialog());
otherLeg.getDialog().setApplicationData(dialog);
}
} 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 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);
}
}
public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
Dialog dialog = dialogTerminatedEvent.getDialog();
this.terminatedCount++;
System.out.println(
"Dialog Terminated Event "
+ dialog.getDialogId()
+ " terminatedCount = "
+ terminatedCount);
if (!this.dialogIds.contains(dialog.getDialogId())) {
System.out.println("Saw a terminated event for an unknown dialog id");
} else {
this.dialogIds.remove(dialog.getDialogId());
}
}
/** Process the ACK request. Send the bye and complete the call flow. */
public void processAck(RequestEvent requestEvent, ServerTransaction serverTransaction) {
SipProvider sipProvider = (SipProvider) requestEvent.getSource();
try {
// System.out.println("*** shootme: got an ACK "
// + requestEvent.getRequest());
if (serverTransaction == null) {
System.out.println("null server transaction -- ignoring the ACK!");
return;
}
Dialog dialog = serverTransaction.getDialog();
this.createdCount++;
System.out.println(
"Dialog Created = "
+ dialog.getDialogId()
+ " createdCount "
+ this.createdCount
+ " Dialog State = "
+ dialog.getState());
if (this.dialogIds.contains(dialog.getDialogId())) {
System.out.println("OOPS ! I already saw " + dialog.getDialogId());
} else {
this.dialogIds.add(dialog.getDialogId());
}
Request byeRequest = dialog.createRequest(Request.BYE);
ClientTransaction tr = sipProvider.getNewClientTransaction(byeRequest);
// System.out.println("shootme: got an ACK -- sending bye! ");
dialog.sendRequest(tr);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
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());
this.shutDown();
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
/** Process the ACK request, forward it to the other leg. */
public void processAck(RequestEvent requestEvent, ServerTransaction serverTransaction) {
try {
Dialog dialog = serverTransaction.getDialog();
System.out.println("b2bua: got an ACK! ");
System.out.println("Dialog State = " + dialog.getState());
Dialog otherDialog = (Dialog) dialog.getApplicationData();
Request request = otherDialog.createAck(otherDialog.getLocalSeqNumber());
otherDialog.sendAck(request);
} 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);
}
}
/**
* Creates and sends a SUBSCRIBE request to a specific subscription <tt>Address</tt>/Request URI
* if it matches a <tt>Subscription</tt> with an id tag of its Event header of a specific value in
* the list of subscriptions managed by this instance with an Expires header value of zero in
* order to terminate receiving event notifications and removes the specified
* <tt>Subscription</tt> from the list of subscriptions managed by this instance. The removed
* <tt>Subscription</tt> may receive notifications to process the <tt>Request</tt>s and/or
* <tt>Response</tt>s which constitute the signaling session associated with it. If the attempt to
* create the SUBSCRIBE request fails, the associated <tt>Subscription</tt> is not removed from
* the list of subscriptions managed by this instance. If the specified <tt>Address</tt> does not
* identify an existing <tt>Subscription</tt> in the list of subscriptions managed by this
* instance, an assertion may optionally be performed or no reaction can be taken.
*
* @param toAddress a subscription <tt>Address</tt>/Request URI which identifies a
* <tt>Subscription</tt> to be removed from the list of subscriptions managed by this instance
* @param eventId the id tag placed in the Event header of the <tt>Subscription</tt> to be matched
* if there is one or <tt>null</tt> if the <tt>Subscription</tt> should have no id tag in its
* Event header
* @param assertSubscribed <tt>true</tt> to assert if the specified subscription
* <tt>Address</tt>/Request URI does not identify an existing <tt>Subscription</tt> in the
* list of subscriptions managed by this instance; <tt>false</tt> to not assert if the
* mentioned condition is met
* @throws IllegalArgumentException if <tt>assertSubscribed</tt> is <tt>true</tt> and
* <tt>toAddress</tt> and <tt>eventId</tt> do not identify an existing <tt>Subscription</tt>
* in the list of subscriptions managed by this instance
* @throws OperationFailedException if we fail constructing or sending the unSUBSCRIBE request.
*/
public void unsubscribe(Address toAddress, String eventId, boolean assertSubscribed)
throws IllegalArgumentException, OperationFailedException {
Subscription subscription = getSubscription(toAddress, eventId);
if (subscription == null)
if (assertSubscribed)
throw new IllegalArgumentException("trying to unregister a not registered contact");
else return;
Dialog dialog = subscription.getDialog();
// we stop the subscription if we're subscribed to this contact
if (dialog != null) {
String callId = dialog.getCallId().getCallId();
ClientTransaction subscribeTransaction;
try {
subscribeTransaction = createSubscription(subscription, dialog, 0);
} catch (OperationFailedException e) {
if (logger.isDebugEnabled()) logger.debug("failed to create the unsubscription", e);
throw e;
}
// we are not anymore subscribed to this contact
// this ensure that the response of this request will be
// handled as an unsubscription response
removeSubscription(callId, subscription);
try {
dialog.sendRequest(subscribeTransaction);
} catch (SipException e) {
if (logger.isDebugEnabled()) logger.debug("Can't send the request", e);
throw new OperationFailedException(
"Failed to send the subscription message", OperationFailedException.NETWORK_FAILURE, e);
}
}
}
/**
* Creates a new SUBSCRIBE request in the form of a <tt>ClientTransaction</tt> with the parameters
* of a specific <tt>Subscription</tt>.
*
* @param subscription the <tt>Subscription</tt> to be described in a SUBSCRIBE request
* @param dialog the <tt>Dialog</tt> with which this request should be associated
* @param expires the subscription duration of the SUBSCRIBE request to be created
* @return a new <tt>ClientTransaction</tt> initialized with a new SUBSCRIBE request which matches
* the parameters of the specified <tt>Subscription</tt> and is associated with the specified
* <tt>Dialog</tt>
* @throws OperationFailedException if the message could not be generated
*/
private ClientTransaction createSubscription(
Subscription subscription, Dialog dialog, int expires) throws OperationFailedException {
Request req = messageFactory.createRequest(dialog, Request.SUBSCRIBE);
// Address
Address toAddress = dialog.getRemoteTarget();
// no Contact field
if (toAddress == null) toAddress = dialog.getRemoteParty();
// MaxForwards
MaxForwardsHeader maxForwards = protocolProvider.getMaxForwardsHeader();
req.setHeader(maxForwards);
/*
* Create the transaction and then add the via header as recommended by
* the jain-sip documentation at
* http://snad.ncsl.nist.gov/proj/iptel/jain-sip-1.2/javadoc
* /javax/sip/Dialog.html#createRequest(String).
*/
ClientTransaction transac = null;
try {
transac = protocolProvider.getDefaultJainSipProvider().getNewClientTransaction(req);
} catch (TransactionUnavailableException ex) {
logger.error(
"Failed to create subscriptionTransaction.\n"
+ "This is most probably a network connection error.",
ex);
throw new OperationFailedException(
"Failed to create the subscription transaction",
OperationFailedException.NETWORK_FAILURE);
}
populateSubscribeRequest(req, subscription, expires);
return transac;
}
/** Refreshes the <tt>Subscription</tt> associated with this <tt>TimerTask</tt>. */
@Override
public void run() {
Dialog dialog = subscription.getDialog();
if (dialog == null) {
logger.warn(
"null dialog associated with " + subscription + ", can't refresh the subscription");
return;
}
ClientTransaction transac = null;
try {
transac = createSubscription(subscription, dialog, subscriptionDuration);
} catch (OperationFailedException e) {
logger.error("Failed to create subscriptionTransaction.", e);
return;
}
try {
dialog.sendRequest(transac);
} catch (SipException e) {
logger.error("Can't send the request", e);
}
}
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);
}
}
/** Process the any in dialog request - MESSAGE, BYE, INFO, UPDATE. */
public void processInDialogRequest(
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("b2bua: got a bye sending OK.");
Response response = messageFactory.createResponse(200, request);
serverTransactionId.sendResponse(response);
System.out.println("Dialog State is " + serverTransactionId.getDialog().getState());
Dialog otherLeg = (Dialog) dialog.getApplicationData();
Request otherBye = otherLeg.createRequest(request.getMethod());
ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(otherBye);
clientTransaction.setApplicationData(serverTransactionId);
serverTransactionId.setApplicationData(clientTransaction);
otherLeg.sendRequest(clientTransaction);
} catch (Exception ex) {
ex.printStackTrace();
System.exit(0);
}
}
public void sendSubscribe(String localURL, String buddyURI, boolean EXPIRED) {
try {
logger.debug("Sending SUBSCRIBE in progress to the buddy: " + buddyURI);
int proxyPort = imUA.getProxyPort();
String proxyAddress = imUA.getProxyAddress();
String imProtocol = imUA.getIMProtocol();
SipStack sipStack = imUA.getSipStack();
SipProvider sipProvider = imUA.getSipProvider();
MessageFactory messageFactory = imUA.getMessageFactory();
HeaderFactory headerFactory = imUA.getHeaderFactory();
AddressFactory addressFactory = imUA.getAddressFactory();
// Request-URI:
// URI requestURI=addressFactory.createURI(buddyURI);
SipURI requestURI = addressFactory.createSipURI(null, proxyAddress);
requestURI.setPort(proxyPort);
requestURI.setTransportParam(imProtocol);
// Call-Id:
CallIdHeader callIdHeader = null;
// CSeq:
CSeqHeader cseqHeader = null;
// To header:
ToHeader toHeader = null;
// From Header:
FromHeader fromHeader = null;
// Via header
String branchId = Utils.generateBranchId();
ViaHeader viaHeader =
headerFactory.createViaHeader(
imUA.getIMAddress(), imUA.getIMPort(), imProtocol, branchId);
Vector viaList = new Vector();
viaList.addElement(viaHeader);
PresenceManager presenceManager = imUA.getPresenceManager();
Presentity presentity = presenceManager.getPresentity(buddyURI);
Dialog dialog = null;
if (presentity != null) dialog = presentity.getDialog();
if (dialog != null) {
// We have to remove the subscriber and the Presentity related
// with this Buddy...
presenceManager.removePresentity(buddyURI);
Subscriber subscriber = presenceManager.getSubscriber(buddyURI);
if (subscriber == null) {
// It means that the guy does not have us in his buddy list
// nothing to do!!!
} else {
presenceManager.removeSubscriber(buddyURI);
}
Address localAddress = dialog.getLocalParty();
Address remoteAddress = dialog.getRemoteParty();
fromHeader = headerFactory.createFromHeader(localAddress, dialog.getLocalTag());
toHeader = headerFactory.createToHeader(remoteAddress, dialog.getRemoteTag());
long cseq = dialog.getLocalSeqNumber();
cseqHeader = headerFactory.createCSeqHeader(cseq, "MESSAGE");
callIdHeader = dialog.getCallId();
} else {
String localTag = Utils.generateTag();
Address toAddress = addressFactory.createAddress(buddyURI);
Address fromAddress = addressFactory.createAddress(localURL);
fromHeader = headerFactory.createFromHeader(fromAddress, localTag);
toHeader = headerFactory.createToHeader(toAddress, null);
// CSeq:
cseqHeader = headerFactory.createCSeqHeader(1L, "SUBSCRIBE");
callIdCounter++;
// Call-ID:
callIdHeader =
(CallIdHeader)
headerFactory.createCallIdHeader("nist-sip-im-subscribe-callId" + callIdCounter);
}
// MaxForwards header:
MaxForwardsHeader maxForwardsHeader = headerFactory.createMaxForwardsHeader(70);
Request request =
messageFactory.createRequest(
requestURI,
"SUBSCRIBE",
callIdHeader,
cseqHeader,
fromHeader,
toHeader,
viaList,
maxForwardsHeader);
RouteHeader rh = this.imUA.getRouteToProxy();
request.setHeader(rh);
// Contact header:
SipURI sipURI = addressFactory.createSipURI(null, imUA.getIMAddress());
sipURI.setPort(imUA.getIMPort());
sipURI.setTransportParam(imUA.getIMProtocol());
Address contactAddress = addressFactory.createAddress(sipURI);
ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress);
request.setHeader(contactHeader);
ExpiresHeader expiresHeader = null;
if (EXPIRED) {
expiresHeader = headerFactory.createExpiresHeader(0);
} else {
expiresHeader = headerFactory.createExpiresHeader(presenceManager.getExpiresTime());
}
request.setHeader(expiresHeader);
// WE have to add a new Header: "Event"
Header eventHeader = headerFactory.createHeader("Event", "presence");
request.setHeader(eventHeader);
// Add Acceptw Header
Header acceptHeader = headerFactory.createHeader("Accept", "application/pidf+xml");
request.setHeader(acceptHeader);
// ProxyAuthorization header if not null:
ProxyAuthorizationHeader proxyAuthHeader = imUA.getProxyAuthorizationHeader();
if (proxyAuthHeader != null) request.setHeader(proxyAuthHeader);
ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request);
if (dialog != null) {
dialog.sendRequest(clientTransaction);
} else {
clientTransaction.sendRequest();
}
logger.debug("IMSubscribeProcessing, sendSubscribe(), SUBSCRIBE sent:\n" + request);
} catch (Exception ex) {
ex.printStackTrace();
}
}
/** Process the ACK request. Send the bye and complete the call flow. */
public void processAck(RequestEvent requestEvent, ServerTransaction serverTransaction) {
System.out.println("shootme: got an ACK! ");
System.out.println("Dialog State = " + dialog.getState());
}
public void processDialogTerminated(DialogTerminatedEvent dialogTerminatedEvent) {
System.out.println("Dialog terminated event recieved");
Dialog d = dialogTerminatedEvent.getDialog();
System.out.println("Local Party = " + d.getLocalParty());
}
