private void startListener() {
try {
if (scn != null) scn.close();
// <i><b>listen to requests on port 5060</b></i>
scn = (SipConnectionNotifier) Connector.open("sip:5080");
scn.setListener(this);
} catch (IOException ex) {
// <i><b>handle IOException</b></i>
}
}
private void stopListener() {
try {
if (scn != null) scn.close();
scn = null;
} catch (IOException ex) {
// <i><b>handle IOException</b></i>
}
}
public void notifyRequest(SipConnectionNotifier sn) {
try {
ssc = scn.acceptAndOpen(); // <i><b>blocking</b></i>
if (ssc.getMethod().equals("BYE")) {
// <i><b>respond 200 OK to BYE</b></i>
ssc.initResponse(200);
ssc.send();
str = new StringItem("Other side hang-up!", "");
form.append(str);
}
form.append("Closing notifier...");
form.removeCommand(byeCmd);
form.addCommand(restartCmd);
scn.close();
} catch (IOException ex) {
// <i><b>handle IOException</b></i>
}
}
/**
* Sets appropriate CSeq and Via headers in the given request preparing it for sending.
*
* @param clonedRequest the request to modify
*/
public synchronized void setRequestHeaders(Request clonedRequest) {
// RFC 3261, section 10.2.4, Refreshing Bindings:
// "A UA SHOULD use the same Call-ID for all registrations during a
// single boot cycle".
//
// Call-Id header was added in SipClientConnectionImpl.send()
// when the initial request was sent. This is the reason why
// Call-Id header is not added here.
// Update the CSeq header. RFC 3261, p. 58:
// A UA MUST increment the CSeq value by one for each
// REGISTER request with the same Call-ID.
CSeqHeader cseq = clonedRequest.getCSeqHeader();
if (cseq != null) {
cseq.setSequenceNumber(cseq.getSequenceNumber() + 1);
} else {
// log an error
if (Logging.REPORT_LEVEL <= Logging.ERROR) {
Logging.report(
Logging.ERROR,
LogChannels.LC_JSR180,
"RefreshTask.run(): The request doesn't " + "contain CSeq header!");
}
}
// ViaHeader
clonedRequest.removeHeader(ViaHeader.NAME);
Vector viaHeaders = new Vector();
try {
ViaHeader viaHeader =
StackConnector.headerFactory.createViaHeader(
sipConnectionNotifier.getLocalAddress(),
sipConnectionNotifier.getLocalPort(),
((SipConnectionNotifierImpl) sipConnectionNotifier)
.getSipProvider()
.getListeningPoint()
.getTransport(),
null);
viaHeaders.addElement(viaHeader);
} catch (ParseException ex) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't create Via header: " + ex);
}
} catch (IOException ioe) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't create Via header: " + ioe);
}
}
try {
clonedRequest.setVia(viaHeaders);
} catch (SipException ex) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_JSR180,
"RefreshTask.run(): can't set Via header: " + ex);
}
}
}