// Process Request received
public void processRequest(jain.protocol.ip.sip.SipEvent requestReceivedEvent) {
Request request = (Request) requestReceivedEvent.getMessage();
long serverTransactionId = requestReceivedEvent.getTransactionId();
System.out.println(
"\n\nRequest received with server transaction id " + serverTransactionId + ":\n" + request);
try {
// If request is not an ACK then try to send an OK Response
if ((!Request.ACK.equals(request.getMethod()))
&& (!Request.REGISTER.equals(request.getMethod()))) {
String body = request.getBodyAsString();
getSipProvider().sendResponse(serverTransactionId, Response.OK, body, "application", "sdp");
}
} catch (TransactionDoesNotExistException e) {
e.printStackTrace();
System.out.println(e.getMessage());
System.exit(-1);
} catch (SipParseException e) {
e.printStackTrace();
System.out.println(e.getMessage());
System.exit(-1);
} catch (SipException e) {
e.printStackTrace();
System.out.println(e.getMessage());
System.exit(-1);
}
System.out.println("Completed processing request!");
}
public void unregister() throws IOException {
if (!isRegistered) {
return;
}
cancelPendingRegistrations();
isRegistered = false;
if (this.registerRequest == null) {
Log.info("Couldn't find the initial register request");
throw new IOException("Couldn't find the initial register request");
}
Request unregisterRequest = (Request) registerRequest.clone();
try {
unregisterRequest.getExpires().setExpires(0);
CSeqHeader cSeqHeader = (CSeqHeader) unregisterRequest.getHeader(CSeqHeader.NAME);
// [issue 1] - increment registration cseq number
// reported by - Roberto Tealdi <*****@*****.**>
cSeqHeader.setSequenceNumber(cSeqHeader.getSequenceNumber() + 1);
} catch (InvalidArgumentException e) {
Log.info("Unable to set Expires Header " + e.getMessage());
return;
}
ClientTransaction unregisterTransaction = null;
try {
unregisterTransaction = sipProvider.getNewClientTransaction(unregisterRequest);
} catch (TransactionUnavailableException e) {
throw new IOException("Unable to create a unregister transaction " + e.getMessage());
}
try {
unregisterTransaction.sendRequest();
} catch (SipException e) {
Log.info("Faied to send unregister request " + e.getMessage());
return;
}
}
// Process Response received
public void processResponse(jain.protocol.ip.sip.SipEvent responseReceivedEvent) {
Response response = (Response) responseReceivedEvent.getMessage();
long clientTransactionId = responseReceivedEvent.getTransactionId();
System.out.println(
"Response received with client transaction id " + clientTransactionId + ":\n" + response);
try {
// Get method of response
String method = response.getCSeqHeader().getMethod();
// Get status code of response
int statusCode = response.getStatusCode();
// If response is a 200 INVITE response, try to send an ACK
if ((statusCode == Response.OK) && (method.equals(Request.INVITE))) {
getSipProvider().sendAck(clientTransactionId);
}
} catch (SipException e) {
e.printStackTrace();
System.err.println(e.getMessage());
System.exit(-1);
}
}
/**
* 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;
}
