@Override
public synchronized void forwardTo(final Call call, final Map<String, String> headers)
throws SignalException {
if (!(call instanceof SIPCall)) {
throw new UnsupportedOperationException("Cannot forward to non-SIPCall.");
}
if (_req.isInitial()) {
throw new IllegalArgumentException("Cannot forward initial SIP request.");
}
final SIPCallImpl scall = (SIPCallImpl) call;
if (!scall.isAnswered()) {
throw new IllegalStateException("Cannot forward to no-answered call.");
}
this.checkState();
_forwarded = true;
final SipSession session = scall.getSipSession();
final SipServletRequest req = session.createRequest(_req.getMethod());
SIPHelper.addHeaders(req, headers);
SIPHelper.copyContent(_req, req);
SIPHelper.linkSIPMessage(_req, req);
try {
req.send();
} catch (final IOException e) {
throw new SignalException(e);
}
}
@Override
public synchronized void forwardTo(final Endpoint endpoint, final Map<String, String> headers)
throws SignalException, IllegalStateException {
URI target = null;
try {
target = _ctx.getSipFactory().createURI(endpoint.getURI().toString());
} catch (final ServletParseException e) {
throw new IllegalArgumentException(e);
}
this.checkState();
_forwarded = true;
final SipServletRequest req =
_ctx.getSipFactory()
.createRequest(
_req.getApplicationSession(), _req.getMethod(), _req.getFrom(), _req.getTo());
req.setRequestURI(target);
SIPHelper.addHeaders(req, headers);
SIPHelper.copyContent(_req, req);
SIPHelper.linkSIPMessage(_req, req);
try {
req.send();
} catch (final IOException e) {
throw new SignalException(e);
}
}
public void connectionOpenResponse(MsConnectionEvent event, SipServletResponse response) {
logger.info("connection opened " + event);
String sdp = event.getConnection().getLocalDescriptor();
SipServletRequest ack = response.createAck();
try {
ack.setContent(sdp, "application/sdp");
ack.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 = response.getTo().getURI().toString();
ConferenceParticipant participant =
new EndpointConferenceParticipant(callerName, endpoint, session, response, connection);
String key = SipGwtConferenceConsole.CONFERENCE_NAME;
ConferenceCenter.getInstance().getConference(key).joinParticipant(participant);
}
@Override
protected void handleAck(final SIPCallImpl call, final SipServletRequest req) throws Exception {
final SipServletResponse res =
(SipServletResponse) req.getSession().getAttribute(REINVITE_PEER_RES);
final SipServletRequest newReq = res.createAck();
SIPHelper.copyContent(req, newReq);
newReq.send();
}
@Override
protected void unmute(SIPCallImpl call) throws IOException, SdpException {
final SIPCallImpl peer = (SIPCallImpl) call.getLastPeer();
SipServletRequest reInvite = call.getSipSession().createRequest("INVITE");
reInvite.setAttribute(SIPCallDelegate.SIPCALL_UNMUTE_REQUEST, "true");
reInvite.setContent(createSendrecvSDP(call, peer.getRemoteSdp()), "application/sdp");
reInvite.send();
}
@Override
protected void handleReinvite(
final SIPCallImpl call, final SipServletRequest req, final Map<String, String> headers)
throws Exception {
final SIPCallImpl peer = (SIPCallImpl) call.getLastPeer();
final SipServletRequest newReq = peer.getSipSession().createRequest(req.getMethod());
SIPHelper.addHeaders(newReq, headers);
SIPHelper.copyContent(req, newReq);
SIPHelper.linkSIPMessage(req, newReq);
newReq.send();
}
@Override
protected void hold(SIPCallImpl call, boolean send)
throws MsControlException, IOException, SdpException {
final SIPCallImpl peer = (SIPCallImpl) call.getLastPeer();
SipServletRequest reInvite = call.getSipSession().createRequest("INVITE");
reInvite.setAttribute(SIPCallDelegate.SIPCALL_HOLD_REQUEST, "true");
reInvite.setContent(createSendonlySDP(call, peer.getRemoteSdp()), "application/sdp");
reInvite.send();
peer.hold();
}
@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);
}
}
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();
}
}
}
}
/**
* @param request
* @param client
* @param toClient
* @throws IOException
*/
public static boolean redirectToB2BUA(
final SipServletRequest request,
final Client client,
Client toClient,
DaoManager storage,
SipFactory sipFactory)
throws IOException {
request.getSession().setAttribute("lastRequest", request);
if (logger.isInfoEnabled()) {
logger.info("B2BUA (p2p proxy): Got request:\n" + request.getMethod());
logger.info(
String.format(
"B2BUA: Proxying a session between %s and %s", client.getUri(), toClient.getUri()));
}
if (daoManager == null) {
daoManager = storage;
}
String user = ((SipURI) request.getTo().getURI()).getUser();
final RegistrationsDao registrations = daoManager.getRegistrationsDao();
final Registration registration = registrations.getRegistration(user);
if (registration != null) {
final String location = registration.getLocation();
SipURI to;
SipURI from;
try {
to = (SipURI) sipFactory.createURI(location);
from =
(SipURI)
sipFactory.createURI(
(registrations.getRegistration(client.getLogin())).getLocation());
final SipSession incomingSession = request.getSession();
// create and send the outgoing invite and do the session linking
incomingSession.setAttribute(B2BUA_LAST_REQUEST, request);
SipServletRequest outRequest =
sipFactory.createRequest(
request.getApplicationSession(),
request.getMethod(),
request.getFrom().getURI(),
request.getTo().getURI());
outRequest.setRequestURI(to);
if (request.getContent() != null) {
final byte[] sdp = request.getRawContent();
String offer = null;
if (request.getContentType().equalsIgnoreCase("application/sdp")) {
// Issue 308: https://telestax.atlassian.net/browse/RESTCOMM-308
String externalIp = request.getInitialRemoteAddr();
// Issue 306: https://telestax.atlassian.net/browse/RESTCOMM-306
final String initialIpBeforeLB = request.getHeader("X-Sip-Balancer-InitialRemoteAddr");
try {
if (initialIpBeforeLB != null && !initialIpBeforeLB.isEmpty()) {
offer = patch(sdp, initialIpBeforeLB);
} else {
offer = patch(sdp, externalIp);
}
} catch (SdpException e) {
logger.error("Unexpected exception while patching sdp ", e);
}
}
if (offer != null) {
outRequest.setContent(offer, request.getContentType());
} else {
outRequest.setContent(sdp, request.getContentType());
}
}
final SipSession outgoingSession = outRequest.getSession();
if (request.isInitial()) {
incomingSession.setAttribute(B2BUA_LINKED_SESSION, outgoingSession);
outgoingSession.setAttribute(B2BUA_LINKED_SESSION, incomingSession);
}
outgoingSession.setAttribute(B2BUA_LAST_REQUEST, outRequest);
request.createResponse(100).send();
// Issue #307: https://telestax.atlassian.net/browse/RESTCOMM-307
request.getSession().setAttribute("toInetUri", to);
outRequest.send();
outRequest.getSession().setAttribute("fromInetUri", from);
final CallDetailRecord.Builder builder = CallDetailRecord.builder();
builder.setSid(Sid.generate(Sid.Type.CALL));
builder.setDateCreated(DateTime.now());
builder.setAccountSid(client.getAccountSid());
builder.setTo(toClient.getFriendlyName());
builder.setCallerName(client.getFriendlyName());
builder.setFrom(client.getFriendlyName());
// builder.setForwardedFrom(callInfo.forwardedFrom());
// builder.setPhoneNumberSid(phoneId);
builder.setStatus(CallStateChanged.State.QUEUED.name());
builder.setDirection("Client-To-Client");
builder.setApiVersion(client.getApiVersion());
builder.setPrice(new BigDecimal("0.00"));
// TODO implement currency property to be read from Configuration
builder.setPriceUnit(Currency.getInstance("USD"));
final StringBuilder buffer = new StringBuilder();
buffer.append("/").append(client.getApiVersion()).append("/Accounts/");
buffer.append(client.getAccountSid().toString()).append("/Calls/");
buffer.append(client.getSid().toString());
final URI uri = URI.create(buffer.toString());
builder.setUri(uri);
CallDetailRecordsDao records = daoManager.getCallDetailRecordsDao();
CallDetailRecord callRecord = builder.build();
records.addCallDetailRecord(callRecord);
incomingSession.setAttribute(CDR_SID, callRecord.getSid());
outgoingSession.setAttribute(CDR_SID, callRecord.getSid());
return true; // successfully proxied the SIP request between two registered clients
} catch (ServletParseException badUriEx) {
if (logger.isInfoEnabled()) {
logger.info(
String.format("B2BUA: Error parsing Client Contact URI: %s", location), badUriEx);
}
}
}
return false;
}
@Override
protected void doInviteResponse(
final SipServletResponse res, final SIPCallImpl call, final Map<String, String> headers)
throws Exception {
try {
if (_call2.equals(call)) {
if (SIPHelper.isProvisionalResponse(res)) {
call.setSIPCallState(SIPCall.State.ANSWERING);
if (res.getStatus() == SipServletResponse.SC_SESSION_PROGRESS) {
if (SIPHelper.getRawContentWOException(res) != null) {
((SIPOutgoingCall) _call1)
.call(res.getRawContent(), _call2.getSipSession().getApplicationSession());
_invitedCall1 = true;
}
try {
res.createPrack().send();
} catch (Rel100Exception ex) {
LOG.warn(ex.getMessage());
} catch (IllegalStateException ex) {
LOG.warn(ex.getMessage());
}
}
} else if (SIPHelper.isSuccessResponse(res)) {
_response = res;
if (!_invitedCall1) {
((SIPOutgoingCall) _call1)
.call(res.getRawContent(), _call2.getSipSession().getApplicationSession());
}
} else if (SIPHelper.isErrorResponse(res)) {
Exception ex = getExceptionByResponse(res);
done(getJoinCompleteCauseByResponse(res), ex);
_call2.disconnect(true, getCallCompleteCauseByResponse(res), ex, null);
}
} else if (_call1.equals(call)) {
if (SIPHelper.isProvisionalResponse(res)) {
call.setSIPCallState(SIPCall.State.ANSWERING);
if (res.getStatus() == SipServletResponse.SC_SESSION_PROGRESS) {
if (SIPHelper.getRawContentWOException(res) != null) {
SipServletRequest ack2 = null;
if (_response != null) {
final SipServletResponse origRes = _response;
_response = null;
ack2 = origRes.createAck();
SIPHelper.copyContent(res, ack2);
}
ack2.send();
_ackedCall2 = true;
}
try {
res.createPrack().send();
} catch (Rel100Exception ex) {
LOG.warn("", ex);
}
}
} else if (SIPHelper.isSuccessResponse(res)) {
final SipServletRequest ack1 = res.createAck();
ack1.send();
if (!_ackedCall2) {
SipServletRequest ack2 = null;
if (_response != null) {
final SipServletResponse origRes = _response;
_response = null;
ack2 = origRes.createAck();
SIPHelper.copyContent(res, ack2);
}
ack2.send();
}
_call2.setSIPCallState(State.ANSWERED);
_call1.setSIPCallState(State.ANSWERED);
_call1.linkCall(_call2, JoinType.DIRECT, _direction);
done(JoinCompleteEvent.Cause.JOINED, null);
} else if (SIPHelper.isErrorResponse(res)) {
Exception ex = getExceptionByResponse(res);
done(getJoinCompleteCauseByResponse(res), ex);
_call1.disconnect(true, getCallCompleteCauseByResponse(res), ex, null);
_call2.disconnect(true, getCallCompleteCauseByResponse(res), ex, null);
}
}
} catch (final Exception e) {
done(JoinCompleteEvent.Cause.ERROR, e);
_call1.fail(e);
_call2.fail(e);
throw e;
}
}
/**
* Synchronously ends this dialog.
*
* @param request
* @throws IOException
*/
public void terminate(SipServletRequest request) throws IOException {
if (_session == null) return;
request.send();
_sessionHandler.waitForFinalResponse();
}
@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;
}
}
}
