public void timeout(ServletTimer timer, SipSession sipSession) {
serverEntryLog();
String reasonPhrase;
if (sipSession.getAttribute("cancelled") != null) {
reasonPhrase = "got cancelled";
} else {
logger.error("***ERROR: didn't receive notification of CANCEL***");
reasonPhrase = "didn't get cancelled";
}
try {
SipServletRequest invite = (SipServletRequest) sipSession.getAttribute("invite");
SipServletResponse resp = invite.createResponse(500, reasonPhrase);
try {
resp.send();
} catch (IOException ex) {
logger.error("***failed to send subsequent request***", ex);
}
logger.error(
"***ERROR: sending final response after CANCEL didn't "
+ "cause IllegalStateException***");
} catch (IllegalStateException ex) {
logger.info(
"===SUCCESS: sending final response after CANCEL " + "cause IllegalStateException===");
}
}
@Observer("connectionOpen")
public void doConnectionOpen(MsConnectionEvent event) throws IOException {
conferenceEndpointName = event.getConnection().getEndpoint().getLocalName();
SipServletRequest request = (SipServletRequest) sipSession.getAttribute("inviteRequest");
SipServletResponse response = request.createResponse(200);
response.setContent(event.getConnection().getLocalDescriptor(), "application/sdp");
response.send();
}
@Override
protected void doBye(SipServletRequest req) {
SipSession session = req.getSession(false);
SipSession linkedSession = (SipSession) session.getAttribute(Constant.LINKED_SESSION);
logger.info("SIP BYE From : " + req.getFrom().toString());
// caller session
if (null != session.getAttribute(Constant.INVITE_USER_REQUEST)) {
doBye(session, req);
}
// callee session
else {
logger.info("callee do bye!");
doBye(linkedSession, req);
}
}
public static SipServletRequest getLinkedRequest(SipServletMessage message) {
SipSession linkedB2BUASession = getLinkedSession(message);
if (linkedB2BUASession != null) {
SipServletRequest linkedRequest =
(SipServletRequest) linkedB2BUASession.getAttribute(B2BUA_LAST_REQUEST);
return linkedRequest;
}
return null;
}
@Override
protected void doAck(SipServletRequest req) throws ServletException, IOException {
SipSession sipSession = req.getSession();
MediaSession ms = (MediaSession) sipSession.getAttribute("MEDIA_SESSION");
try {
MediaGroup mg = ms.createMediaGroup(MediaGroup.PLAYER_RECORDER_SIGNALDETECTOR);
mg.addListener(new MyJoinEventListener());
NetworkConnection nc = (NetworkConnection) sipSession.getAttribute("NETWORK_CONNECTION");
mg.joinInitiate(Direction.DUPLEX, nc, this);
} catch (MsControlException e) {
logger.error(e);
// Clean up media session
terminate(sipSession, ms);
}
}
public static SipServletResponse getLinkedResponse(SipServletMessage message) {
SipSession linkedB2BUASession = getLinkedSession(message);
// if this is an ACK that belongs to a B2BUA session, then we proxy it to the other client
if (linkedB2BUASession != null) {
SipServletResponse response =
(SipServletResponse) linkedB2BUASession.getAttribute(B2BUA_LAST_RESPONSE);
return response;
}
return null;
}
@Override
protected void preprocessState(SipSession session, State state) {
BigInteger version = (BigInteger) session.getAttribute(Constants.VERSION_ATTRIBUTE);
if (version == null) version = BigInteger.ZERO;
else version = version.add(BigInteger.ONE);
Watcherinfo watcherinfo = ((WatcherinfoDocument) state.getContent()).getWatcherinfo();
watcherinfo.setVersion(version);
session.setAttribute(Constants.VERSION_ATTRIBUTE, version);
}
@Override
protected void doBye(SipServletRequest request) throws ServletException, IOException {
logger.info("Got bye");
SipSession session = request.getSession();
SipSession linkedSession = (SipSession) session.getAttribute("LinkedSession");
if (linkedSession != null) {
SipServletRequest bye = linkedSession.createRequest("BYE");
logger.info("Sending bye to " + linkedSession.getRemoteParty());
bye.send();
}
CallStatusContainer calls =
(CallStatusContainer) getServletContext().getAttribute("activeCalls");
calls.removeCall(request.getFrom().getURI().toString(), request.getTo().getURI().toString());
calls.removeCall(request.getTo().getURI().toString(), request.getFrom().getURI().toString());
SipServletResponse ok = request.createResponse(SipServletResponse.SC_OK);
ok.send();
}
public void onEvent(PlayerEvent event) {
try {
logger.info("ENDING CALL ");
Player player = event.getSource();
MediaGroup mg = player.getContainer();
if (event.isSuccessful() && (PlayerEvent.PLAY_COMPLETED == event.getEventType())) {
MediaSession session = (MediaSession) sipSession.getAttribute("mediaSession");
session.release();
Thread.sleep(1500);
SipServletRequest byeRequest = sipSession.createRequest("BYE");
byeRequest.send();
}
} catch (Exception e) {
logger.error("Error", e);
}
}
public void timeout(ServletTimer servletTimer) {
String sessionId = (String) servletTimer.getInfo();
logger.info("Timer fired on sip session " + sessionId);
SipSession sipSession = servletTimer.getApplicationSession().getSipSession(sessionId);
if (sipSession != null) {
MediaGroup mediaGroup = (MediaGroup) sipSession.getAttribute("MEDIA_GROUP");
if (mediaGroup != null) {
logger.info("Timer fired, stopping the recording");
try {
mediaGroup.getRecorder().stop();
} catch (MsControlException e) {
logger.info("recording couldn't be stopped", e);
}
}
} else {
logger.info("the session has not been found, it may have been already invalidated");
}
}
private void doBye(SipSession session, SipServletRequest request) {
// send bye to its linked user session and notify
SipSession reqSession = request.getSession(false);
if (null == reqSession.getAttribute(Constant.INVITE_USER_REQUEST)) {
logger.info("callee ok");
SipServletRequest bye = session.createRequest(Constant.BYE);
try {
bye.send();
} catch (IOException e) {
e.printStackTrace();
}
}
// send 200 OK to the session
SipServletResponse resp = request.createResponse(SipServletResponse.SC_OK);
try {
resp.send();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
protected void doSuccessResponse(SipServletResponse resp) throws ServletException, IOException {
logger.info("Got OK");
SipSession session = resp.getSession();
if (resp.getStatus() == SipServletResponse.SC_OK) {
Boolean inviteSent = (Boolean) session.getAttribute("InviteSent");
if (inviteSent != null && inviteSent.booleanValue()) {
return;
}
Address secondPartyAddress = (Address) resp.getSession().getAttribute("SecondPartyAddress");
if (secondPartyAddress != null) {
SipServletRequest invite =
sipFactory.createRequest(
resp.getApplicationSession(),
"INVITE",
session.getRemoteParty(),
secondPartyAddress);
logger.info("Found second party -- sending INVITE to " + secondPartyAddress);
String contentType = resp.getContentType();
if (contentType.trim().equals("application/sdp")) {
invite.setContent(resp.getContent(), "application/sdp");
}
session.setAttribute("LinkedSession", invite.getSession());
invite.getSession().setAttribute("LinkedSession", session);
SipServletRequest ack = resp.createAck();
invite.getSession().setAttribute("FirstPartyAck", ack);
invite.getSession().setAttribute("FirstPartyContent", resp.getContent());
Call call = (Call) session.getAttribute("call");
// The call links the two sessions, add the new session to the call
call.addSession(invite.getSession());
invite.getSession().setAttribute("call", call);
invite.send();
session.setAttribute("InviteSent", Boolean.TRUE);
} else {
String cSeqValue = resp.getHeader("CSeq");
if (cSeqValue.indexOf("INVITE") != -1) {
logger.info("Got OK from second party -- sending ACK");
SipServletRequest secondPartyAck = resp.createAck();
SipServletRequest firstPartyAck =
(SipServletRequest) resp.getSession().getAttribute("FirstPartyAck");
// if (resp.getContentType() != null &&
// resp.getContentType().equals("application/sdp")) {
firstPartyAck.setContent(resp.getContent(), "application/sdp");
secondPartyAck.setContent(
resp.getSession().getAttribute("FirstPartyContent"), "application/sdp");
// }
firstPartyAck.send();
secondPartyAck.send();
}
}
}
}
