@Override
protected void doInvite(SipServletRequest request) throws ServletException, IOException {
if (logger.isInfoEnabled()) {
logger.info("Simple Servlet: Got request:\n" + request.getMethod());
}
SipServletResponse sipServletResponse = request.createResponse(SipServletResponse.SC_RINGING);
sipServletResponse.send();
sipServletResponse = request.createResponse(SipServletResponse.SC_OK);
sipServletResponse.send();
if (CALLEE_SEND_BYE.equalsIgnoreCase(((SipURI) request.getTo().getURI()).getUser())) {
TimerService timer = (TimerService) getServletContext().getAttribute(TIMER_SERVICE);
timer.createTimer(
request.getApplicationSession(), byeDelay, false, request.getSession().getId());
}
}
protected void doRegister(SipServletRequest req) throws ServletException, IOException {
logger.info("Received register request: " + req.getTo());
int response = SipServletResponse.SC_OK;
SipServletResponse resp = req.createResponse(response);
HashMap<String, String> users =
(HashMap<String, String>) getServletContext().getAttribute("registeredUsersMap");
if (users == null) users = new HashMap<String, String>();
getServletContext().setAttribute("registeredUsersMap", users);
Address address = req.getAddressHeader(CONTACT_HEADER);
String fromURI = req.getFrom().getURI().toString();
int expires = address.getExpires();
if (expires < 0) {
expires = req.getExpires();
}
if (expires == 0) {
users.remove(fromURI);
logger.info("User " + fromURI + " unregistered");
} else {
resp.setAddressHeader(CONTACT_HEADER, address);
users.put(fromURI, address.getURI().toString());
logger.info("User " + fromURI + " registered with an Expire time of " + expires);
}
resp.send();
}
public void connectionOpenRequest(MsConnectionEvent event, SipServletRequest inviteRequest) {
logger.info("connection opened " + event);
String sdp = event.getConnection().getLocalDescriptor();
SipServletResponse sipServletResponse = inviteRequest.createResponse(SipServletResponse.SC_OK);
try {
sipServletResponse.setContent(sdp, "application/sdp");
sipServletResponse.send();
} catch (Exception e) {
logger.error(e);
}
provider = ConferenceCenter.getInstance().getProvider();
MsConnection connection = event.getConnection();
MsEndpoint endpoint = connection.getEndpoint();
MsSession session = connection.getSession();
String callerName = inviteRequest.getFrom().getURI().toString();
ConferenceParticipant participant =
new EndpointConferenceParticipant(callerName, endpoint, session, inviteRequest, connection);
String key = ((SipURI) inviteRequest.getTo().getURI()).getUser();
ConferenceCenter.getInstance().getConference(key).joinParticipant(participant);
}
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();
}
protected synchronized void doInvite(final Map<String, String> headers) throws IOException {
if (_cstate == SIPCall.State.INVITING) {
setSIPCallState(SIPCall.State.RINGING);
final SipServletResponse res = _invite.createResponse(SipServletResponse.SC_RINGING);
SIPHelper.addHeaders(res, headers);
res.send();
}
}
protected synchronized void doPrack(final SipServletRequest req) throws IOException {
if (_cstate == SIPCall.State.PROGRESSED) {
final SipServletResponse res = req.createResponse(SipServletResponse.SC_OK);
if (getLocalSDP() != null) {
res.setContent(getLocalSDP(), "application/sdp");
}
res.send();
}
}
protected void doInvite(SipServletRequest req) throws ServletException, IOException {
serverEntryLog();
logger.debug("---doInvite---");
SipServletResponse resp = req.createResponse(180);
resp.send();
// just set timer - we expect a CANCEL to arrive...
SipSession sipSession = req.getSession();
sipSession.setAttribute("invite", req);
timerService.createTimer(
req.getApplicationSession(), 5000, true, UasCancelServlet.class.getName());
}
@Override
public synchronized void accept(final Map<String, String> headers) throws SignalException {
this.checkState();
_accepted = true;
final SipServletResponse res = _req.createResponse(SipServletResponse.SC_OK);
SIPHelper.addHeaders(res, headers);
try {
res.send();
} catch (final IOException e) {
throw new SignalException(e);
}
}
@Override
public synchronized void reject(final Reason reason, final Map<String, String> headers)
throws SignalException {
this.checkState();
_rejected = true;
final SipServletResponse res =
_req.createResponse(reason == null ? Reason.DECLINE.getCode() : reason.getCode());
SIPHelper.addHeaders(res, headers);
try {
res.send();
} catch (final IOException e) {
throw new SignalException(e);
}
}
@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();
}
@Override
public synchronized void reject(final Reason reason, final Map<String, String> headers)
throws SignalException {
checkState();
_rejected = true;
setSIPCallState(SIPCall.State.REJECTED);
terminate(CallCompleteEvent.Cause.DECLINE, null, headers);
try {
final SipServletResponse res =
_invite.createResponse(reason == null ? Reason.DECLINE.getCode() : reason.getCode());
SIPHelper.addHeaders(res, headers);
res.send();
} catch (final IOException e) {
throw new SignalException(e);
}
}
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
public synchronized void redirect(final Endpoint o, final Map<String, String> headers)
throws SignalException {
checkState();
_redirected = true;
setSIPCallState(SIPCall.State.REDIRECTED);
terminate(CallCompleteEvent.Cause.REDIRECT, null, headers);
if (o instanceof SIPEndpoint) {
final SipServletResponse res =
_invite.createResponse(SipServletResponse.SC_MOVED_TEMPORARILY);
res.setHeader("Contact", ((SIPEndpoint) o).getURI().toString());
SIPHelper.addHeaders(res, headers);
try {
res.send();
} catch (final IOException e) {
throw new SignalException(e);
}
} else {
throw new IllegalArgumentException("Unable to redirect the call to a non-SIP participant.");
}
}
@Override
public synchronized void onEvent(final SdpPortManagerEvent event) {
if (getSIPCallState() == SIPCall.State.PROGRESSING) {
try {
final byte[] sdp = event.getMediaServerSdp();
this.setLocalSDP(sdp);
final SipServletResponse res =
getSipInitnalRequest().createResponse(SipServletResponse.SC_SESSION_PROGRESS);
res.setContent(sdp, "application/sdp");
try {
res.sendReliably();
} catch (final Rel100Exception e) {
LOG.warn("", e);
res.send();
}
setSIPCallState(SIPCall.State.PROGRESSED);
this.notifyAll();
} catch (final IOException e) {
LOG.warn("", e);
}
}
super.onEvent(event);
}
@Override
protected void handleReinviteResponse(
final SIPCallImpl call, final SipServletResponse res, final Map<String, String> headers) {
if (res.getRequest().getAttribute(SIPCallDelegate.SIPCALL_HOLD_REQUEST) != null
|| res.getRequest().getAttribute(SIPCallDelegate.SIPCALL_UNHOLD_REQUEST) != null
|| res.getRequest().getAttribute(SIPCallDelegate.SIPCALL_DEAF_REQUEST) != null) {
try {
res.createAck().send();
if (call.getHoldState() == HoldState.Holding) {
call.setHoldState(HoldState.Held);
} else if (call.getHoldState() == HoldState.UnHolding) {
call.setHoldState(HoldState.None);
} else if (call.getDeafState() == HoldState.Deafing) {
call.setDeafState(HoldState.Deafed);
} else if (call.getDeafState() == HoldState.Undeafing) {
call.setDeafState(HoldState.None);
}
} catch (IOException e) {
LOG.error("IOException when sending back ACK.", e);
call.setHoldState(HoldState.None);
call.setDeafState(HoldState.None);
call.fail(e);
} finally {
call.notify();
}
} else if (res.getRequest().getAttribute(SIPCallDelegate.SIPCALL_MUTE_REQUEST) != null
|| res.getRequest().getAttribute(SIPCallDelegate.SIPCALL_UNMUTE_REQUEST) != null) {
// send ACK.
try {
res.createAck().send();
// send the received SDP to peer.
final SIPCallImpl peer = (SIPCallImpl) call.getLastPeer();
synchronized (peer) {
if (call.getMuteState() == HoldState.Muting) {
peer.setDeafState(HoldState.Deafing);
} else {
peer.setDeafState(HoldState.Undeafing);
}
SipServletRequest reInvite = peer.getSipSession().createRequest("INVITE");
reInvite.setAttribute(SIPCallDelegate.SIPCALL_DEAF_REQUEST, "true");
reInvite.setContent(res.getRawContent(), "application/sdp");
reInvite.send();
while (peer.getDeafState() != HoldState.Deafed && peer.getDeafState() != HoldState.None) {
try {
peer.wait();
} catch (InterruptedException e) {
LOG.warn(
"InterruptedException when wait make peer deaf, the peer's DeafState "
+ peer.getDeafState());
}
}
// set call deaf state
if (call.getMuteState() == HoldState.Muting) {
peer.setDeafState(HoldState.Deafed);
call.setMuteState(HoldState.Muted);
} else if (call.getMuteState() == HoldState.UnMuting) {
peer.setDeafState(HoldState.None);
call.setMuteState(HoldState.None);
}
}
} catch (IOException e1) {
LOG.error("IOException", e1);
call.setMuteState(HoldState.None);
call.fail(e1);
} finally {
call.notify();
}
} else {
try {
final SipServletRequest req = res.getRequest();
final SipServletRequest newReq = (SipServletRequest) SIPHelper.getLinkSIPMessage(req);
if (newReq != null) {
SIPHelper.unlinkSIPMessage(req);
final SipServletResponse newRes =
newReq.createResponse(res.getStatus(), res.getReasonPhrase());
SIPHelper.addHeaders(newRes, headers);
SIPHelper.copyContent(res, newRes);
if (SIPHelper.isReinvite(newRes)) {
newRes.getSession().setAttribute(REINVITE_PEER_RES, res);
}
newRes.send();
}
} catch (final Exception e) {
LOG.warn("", e);
return;
}
}
}
@Override
public void execute(final Object message) throws Exception {
if (logger.isInfoEnabled()) {
logger.info("UssdInterpreter Processing INFO request");
}
final NotificationsDao notifications = storage.getNotificationsDao();
SipServletRequest info = (SipServletRequest) message;
SipServletResponse okay = info.createResponse(200);
okay.send();
UssdInfoRequest ussdInfoRequest = new UssdInfoRequest(info);
String ussdText = ussdInfoRequest.getMessage();
if (ussdCollectAction != null && !ussdCollectAction.isEmpty() && ussdText != null) {
URI target = null;
try {
target = URI.create(ussdCollectAction);
} catch (final Exception exception) {
final Notification notification =
notification(ERROR_NOTIFICATION, 11100, ussdCollectAction + " is an invalid URI.");
notifications.addNotification(notification);
sendMail(notification);
final StopInterpreter stop = new StopInterpreter();
source.tell(stop, source);
return;
}
final URI base = request.getUri();
final URI uri = UriUtils.resolve(base, target);
// Parse "method".
String method = "POST";
Attribute attribute = null;
try {
attribute = verb.attribute("method");
} catch (Exception e) {
}
if (attribute != null) {
method = attribute.value();
if (method != null && !method.isEmpty()) {
if (!"GET".equalsIgnoreCase(method) && !"POST".equalsIgnoreCase(method)) {
final Notification notification =
notification(
WARNING_NOTIFICATION,
14104,
method + " is not a valid HTTP method for <Gather>");
notifications.addNotification(notification);
method = "POST";
}
} else {
method = "POST";
}
}
final List<NameValuePair> parameters = parameters();
parameters.add(new BasicNameValuePair("Digits", ussdText));
request = new HttpRequestDescriptor(uri, method, parameters);
downloader.tell(request, source);
ussdCollectTag = null;
ussdLanguageTag = null;
ussdMessageTags = new LinkedBlockingQueue<Tag>();
return;
} else if (ussdInfoRequest
.getUssdMessageType()
.equals(UssdMessageType.unstructuredSSNotify_Response)) {
UssdRestcommResponse ussdRestcommResponse = new UssdRestcommResponse();
ussdRestcommResponse.setErrorCode("1");
ussdRestcommResponse.setIsFinalMessage(true);
ussdCall.tell(ussdRestcommResponse, source);
return;
}
// Ask the parser for the next action to take.
final GetNextVerb next = GetNextVerb.instance();
parser.tell(next, self());
}
/**
* @param response
* @throws IOException
*/
public static void forwardResponse(final SipServletResponse response) throws IOException {
if (logger.isInfoEnabled()) {
logger.info(String.format("B2BUA: Got response: \n %s", response));
}
CallDetailRecordsDao records = daoManager.getCallDetailRecordsDao();
// container handles CANCEL related responses no need to forward them
if (response.getStatus() == 487
|| (response.getStatus() == 200 && response.getMethod().equalsIgnoreCase("CANCEL"))) {
if (logger.isDebugEnabled()) {
logger.debug("response to CANCEL not forwarding");
}
// Update CallDetailRecord
SipServletRequest request =
(SipServletRequest) getLinkedSession(response).getAttribute(B2BUA_LAST_REQUEST);
CallDetailRecord callRecord =
records.getCallDetailRecord((Sid) request.getSession().getAttribute(CDR_SID));
if (callRecord != null) {
logger.info("CDR found! Updating");
callRecord = callRecord.setStatus(CallStateChanged.State.CANCELED.name());
final DateTime now = DateTime.now();
callRecord = callRecord.setEndTime(now);
final int seconds =
(int) (DateTime.now().getMillis() - callRecord.getStartTime().getMillis()) / 1000;
callRecord = callRecord.setDuration(seconds);
records.updateCallDetailRecord(callRecord);
}
return;
}
// forward the response
response.getSession().setAttribute(B2BUA_LAST_RESPONSE, response);
SipServletRequest request =
(SipServletRequest) getLinkedSession(response).getAttribute(B2BUA_LAST_REQUEST);
SipServletResponse resp = request.createResponse(response.getStatus());
CallDetailRecord callRecord =
records.getCallDetailRecord((Sid) request.getSession().getAttribute(CDR_SID));
if (response.getContent() != null) {
final byte[] sdp = response.getRawContent();
String offer = null;
if (response.getContentType().equalsIgnoreCase("application/sdp")) {
// Issue 306: https://telestax.atlassian.net/browse/RESTCOMM-306
Registration registration =
daoManager.getRegistrationsDao().getRegistration(callRecord.getTo());
final String externalIp = registration.getLocation().split(":")[1].split("@")[1];
try {
logger.debug("Got original address from Registration :" + externalIp);
offer = patch(sdp, externalIp);
} catch (SdpException e) {
logger.error("Unexpected exception while patching sdp ", e);
}
if (offer != null) {
resp.setContent(offer, response.getContentType());
} else {
resp.setContent(sdp, response.getContentType());
}
}
}
resp.send();
// CallDetailRecord callRecord = records.getCallDetailRecord((Sid)
// request.getSession().getAttribute(CDR_SID));
if (callRecord != null) {
logger.info("CDR found! Updating");
if (!request.getMethod().equalsIgnoreCase("BYE")) {
if (response.getStatus() == 100 || response.getStatus() == 180) {
callRecord = callRecord.setStatus(CallStateChanged.State.RINGING.name());
} else if (response.getStatus() == 200 || response.getStatus() == 202) {
callRecord = callRecord.setStatus(CallStateChanged.State.IN_PROGRESS.name());
callRecord = callRecord.setAnsweredBy(((SipURI) response.getTo().getURI()).getUser());
final DateTime now = DateTime.now();
callRecord = callRecord.setStartTime(now);
} else if (response.getStatus() == 486 || response.getStatus() == 600) {
callRecord = callRecord.setStatus(CallStateChanged.State.BUSY.name());
} else if (response.getStatus() > 400) {
callRecord = callRecord.setStatus(CallStateChanged.State.FAILED.name());
}
} else {
callRecord = callRecord.setStatus(CallStateChanged.State.COMPLETED.name());
final DateTime now = DateTime.now();
callRecord = callRecord.setEndTime(now);
final int seconds =
(int) ((DateTime.now().getMillis() - callRecord.getStartTime().getMillis()) / 1000);
callRecord = callRecord.setDuration(seconds);
}
records.updateCallDetailRecord(callRecord);
}
}