/**
* Put the JAIN-SIP stack in a state where it cannot receive any data and frees the network ports
* used. That is to say remove JAIN-SIP <tt>ListeningPoint</tt>s and <tt>SipProvider</tt>s.
*/
@SuppressWarnings("unchecked") // jain-sip legacy code
private void stopListening() {
try {
this.secureJainSipProvider.removeSipListener(this);
this.stack.deleteSipProvider(this.secureJainSipProvider);
this.secureJainSipProvider = null;
this.clearJainSipProvider.removeSipListener(this);
this.stack.deleteSipProvider(this.clearJainSipProvider);
this.clearJainSipProvider = null;
Iterator<ListeningPoint> it = this.stack.getListeningPoints();
Vector<ListeningPoint> lpointsToRemove = new Vector<ListeningPoint>();
while (it.hasNext()) {
lpointsToRemove.add(it.next());
}
it = lpointsToRemove.iterator();
while (it.hasNext()) {
this.stack.deleteListeningPoint(it.next());
}
this.stack.stop();
if (logger.isTraceEnabled()) logger.trace("stopped listening");
} catch (ObjectInUseException ex) {
logger.fatal("Failed to stop listening", ex);
}
}
/**
* Creates an invite request using the Tested Implementation and then tests creating a cancel for
* the same invite request.
*/
public void testCreateCancel() {
try {
Request invite = createTiInviteRequest(null, null, null);
ClientTransaction tran = null;
try {
tran = tiSipProvider.getNewClientTransaction(invite);
} catch (TransactionUnavailableException exc) {
throw new TiUnexpectedError(
"A TransactionUnavailableException was thrown while trying to "
+ "create a new client transaction",
exc);
}
Request cancel = null;
try {
cancel = tran.createCancel();
} catch (SipException ex) {
ex.printStackTrace();
fail("Failed to create cancel request!");
}
assertEquals(
"The created request did not have a CANCEL method.", cancel.getMethod(), Request.CANCEL);
assertEquals(
"Request-URIs of the original and the cancel request do not match",
cancel.getRequestURI(),
invite.getRequestURI());
assertEquals(
"Call-IDs of the original and the cancel request do not match",
cancel.getHeader(CallIdHeader.NAME),
invite.getHeader(CallIdHeader.NAME));
assertEquals(
"ToHeaders of the original and the cancel request do not match",
cancel.getHeader(ToHeader.NAME),
invite.getHeader(ToHeader.NAME));
assertTrue(
"The CSeqHeader's sequence number of the original and "
+ "the cancel request do not match",
((CSeqHeader) cancel.getHeader(CSeqHeader.NAME)).getSequenceNumber()
== ((CSeqHeader) invite.getHeader(CSeqHeader.NAME)).getSequenceNumber());
assertEquals(
"The CSeqHeader's method of the cancel request was not CANCEL",
((CSeqHeader) cancel.getHeader(CSeqHeader.NAME)).getMethod(),
Request.CANCEL);
assertTrue(
"There was no ViaHeader in the cancel request",
cancel.getHeaders(ViaHeader.NAME).hasNext());
Iterator cancelVias = cancel.getHeaders(ViaHeader.NAME);
ViaHeader cancelVia = ((ViaHeader) cancelVias.next());
ViaHeader inviteVia = ((ViaHeader) invite.getHeaders(ViaHeader.NAME).next());
assertEquals(
"ViaHeaders of the original and the cancel request do not match!", cancelVia, inviteVia);
assertFalse("Cancel request had more than one ViaHeader.", cancelVias.hasNext());
} catch (Throwable exc) {
exc.printStackTrace();
fail(exc.getClass().getName() + ": " + exc.getMessage());
}
assertTrue(new Exception().getStackTrace()[0].toString(), true);
}
/**
* Returns the JAIN-SIP <tt>ListeningPoint</tt> associated to the given transport string.
*
* @param transport a string like "UDP", "TCP" or "TLS".
* @return the LP associated to the given transport.
*/
@SuppressWarnings("unchecked") // jain-sip legacy code
public ListeningPoint getLP(String transport) {
ListeningPoint lp;
Iterator<ListeningPoint> it = this.stack.getListeningPoints();
while (it.hasNext()) {
lp = it.next();
// FIXME: JAIN-SIP stack is not consistent with case
// (reported upstream)
if (lp.getTransport().toLowerCase().equals(transport.toLowerCase())) return lp;
}
throw new IllegalArgumentException("Invalid transport: " + transport);
}
/**
* Removes from the specified list of candidates providers connected to a registrar that does not
* match the IP address that we are receiving a request from.
*
* @param candidates the list of providers we've like to filter.
* @param request the request that we are currently dispatching
*/
private void filterByAddress(List<ProtocolProviderServiceSipImpl> candidates, Request request) {
Iterator<ProtocolProviderServiceSipImpl> iterPP = candidates.iterator();
while (iterPP.hasNext()) {
ProtocolProviderServiceSipImpl candidate = iterPP.next();
if (candidate.getRegistrarConnection() == null) {
// RegistrarLess connections are ok
continue;
}
if (!candidate.getRegistrarConnection().isRegistrarless()
&& !candidate.getRegistrarConnection().isRequestFromSameConnection(request)) {
iterPP.remove();
}
}
}
@Override
public void run() {
try {
logger.logEntry();
// From
FromHeader fromHeader = null;
try {
// this keep alive task only makes sense in case we have
// a registrar so we deliberately use our AOR and do not
// use the getOurSipAddress() method.
fromHeader =
provider
.getHeaderFactory()
.createFromHeader(
provider.getRegistrarConnection().getAddressOfRecord(),
SipMessageFactory.generateLocalTag());
} catch (ParseException ex) {
// this should never happen so let's just log and bail.
logger.error("Failed to generate a from header for " + "our register request.", ex);
return;
}
// Call ID Header
CallIdHeader callIdHeader = provider.getDefaultJainSipProvider().getNewCallId();
// CSeq Header
CSeqHeader cSeqHeader = null;
try {
cSeqHeader =
provider.getHeaderFactory().createCSeqHeader(getNextCSeqValue(), Request.OPTIONS);
} catch (ParseException ex) {
// Should never happen
logger.error("Corrupt Sip Stack", ex);
return;
} catch (InvalidArgumentException ex) {
// Should never happen
logger.error("The application is corrupt", ex);
return;
}
// To Header
ToHeader toHeader = null;
try {
// this request isn't really going anywhere so we put our
// own address in the To Header.
toHeader = provider.getHeaderFactory().createToHeader(fromHeader.getAddress(), null);
} catch (ParseException ex) {
logger.error("Could not create a To header for address:" + fromHeader.getAddress(), ex);
return;
}
// MaxForwardsHeader
MaxForwardsHeader maxForwardsHeader = provider.getMaxForwardsHeader();
// Request
Request request = null;
try {
// create a host-only uri for the request uri header.
String domain = ((SipURI) toHeader.getAddress().getURI()).getHost();
// request URI
SipURI requestURI = provider.getAddressFactory().createSipURI(null, domain);
// Via Headers
ArrayList<ViaHeader> viaHeaders = provider.getLocalViaHeaders(requestURI);
request =
provider
.getMessageFactory()
.createRequest(
requestURI,
Request.OPTIONS,
callIdHeader,
cSeqHeader,
fromHeader,
toHeader,
viaHeaders,
maxForwardsHeader);
if (logger.isDebugEnabled()) logger.debug("Created OPTIONS request " + request);
} catch (ParseException ex) {
logger.error("Could not create an OPTIONS request!", ex);
return;
}
Iterator<String> supportedMethods = provider.getSupportedMethods().iterator();
// add to the allows header all methods that we support
while (supportedMethods.hasNext()) {
String method = supportedMethods.next();
// don't support REGISTERs
if (method.equals(Request.REGISTER)) continue;
request.addHeader(provider.getHeaderFactory().createAllowHeader(method));
}
Iterator<String> events = provider.getKnownEventsList().iterator();
synchronized (provider.getKnownEventsList()) {
while (events.hasNext()) {
String event = events.next();
request.addHeader(provider.getHeaderFactory().createAllowEventsHeader(event));
}
}
// Transaction
ClientTransaction optionsTrans = null;
try {
optionsTrans = provider.getDefaultJainSipProvider().getNewClientTransaction(request);
} catch (TransactionUnavailableException ex) {
logger.error("Could not create options transaction!\n", ex);
return;
}
try {
optionsTrans.sendRequest();
if (logger.isDebugEnabled()) logger.debug("sent request= " + request);
} catch (SipException ex) {
logger.error("Could not send out the options request!", ex);
if (ex.getCause() instanceof IOException) {
// IOException problem with network
disconnect();
}
return;
}
} catch (Exception ex) {
logger.error("Cannot send OPTIONS keep alive", ex);
}
}