@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);
}
}
/**
* Process a request from a distant contact
*
* @param requestEvent the <tt>RequestEvent</tt> containing the newly received request.
* @return <tt>true</tt> if the specified event has been handled by this processor and shouldn't
* be offered to other processors registered for the same method; <tt>false</tt>, otherwise
*/
@Override
public boolean processRequest(RequestEvent requestEvent) {
synchronized (messageProcessors) {
for (SipMessageProcessor listener : messageProcessors)
if (!listener.processMessage(requestEvent)) return true;
}
// get the content
String content = null;
Request req = requestEvent.getRequest();
try {
content = new String(req.getRawContent(), getCharset(req));
} catch (UnsupportedEncodingException ex) {
if (logger.isDebugEnabled()) logger.debug("failed to convert the message charset");
content = new String(requestEvent.getRequest().getRawContent());
}
// who sent this request ?
FromHeader fromHeader = (FromHeader) requestEvent.getRequest().getHeader(FromHeader.NAME);
if (fromHeader == null) {
logger.error("received a request without a from header");
return false;
}
Contact from =
opSetPersPresence.resolveContactID(fromHeader.getAddress().getURI().toString());
ContentTypeHeader ctheader = (ContentTypeHeader) req.getHeader(ContentTypeHeader.NAME);
String ctype = null;
String cencoding = null;
if (ctheader == null) {
ctype = DEFAULT_MIME_TYPE;
} else {
ctype = ctheader.getContentType() + "/" + ctheader.getContentSubType();
cencoding = ctheader.getParameter("charset");
}
if (cencoding == null) cencoding = DEFAULT_MIME_ENCODING;
Message newMessage = createMessage(content, ctype, cencoding, null);
if (from == null) {
if (logger.isDebugEnabled())
logger.debug(
"received a message from an unknown contact: "
+ fromHeader.getAddress().getURI().toString());
// create the volatile contact
from = opSetPersPresence.createVolatileContact(fromHeader.getAddress().getURI().toString());
}
// answer ok
try {
Response ok =
sipProvider.getMessageFactory().createResponse(Response.OK, requestEvent.getRequest());
SipStackSharing.getOrCreateServerTransaction(requestEvent).sendResponse(ok);
} catch (ParseException exc) {
logger.error("failed to build the response", exc);
} catch (SipException exc) {
logger.error("failed to send the response : " + exc.getMessage(), exc);
} catch (InvalidArgumentException exc) {
if (logger.isDebugEnabled())
logger.debug("Invalid argument for createResponse : " + exc.getMessage(), exc);
}
// fire an event
MessageReceivedEvent msgReceivedEvt =
new MessageReceivedEvent(newMessage, from, System.currentTimeMillis());
fireMessageEvent(msgReceivedEvt);
return true;
}