@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);
}
}
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);
}
/**
*
*
* <pre>
* Alice Proxy Bob Bob(2) HSS
* 1 | INVITE | | | |
* |----------->| | | |
* 2 | | INVITE | | |
* | |--------->| | |
* 3 | | 404 | | |
* | |<---------| | |
* 4 | | ACK | | |
* | |--------->| | |
* 5 | | UDR | | |
* | |--------------------------------->|
* 6 | | | | UDA |
* | |<---------------------------------|
* 7 | | INVITE | | |
* | |--------------------->| |
* 8 | | | 200 | |
* | |<---------------------| |
* 9 | 200 | | | |
* |<-----------| | | |
* 10 | ACK | | | |
* |----------->| | | |
* 11 | | ACK | | |
* | |--------------------->| |
* 12 | BYE | | | |
* |----------->| | | |
* 13 | | BYE | | |
* | |--------------------->| |
* 14 | | | 200 | |
* | |<---------------------| |
* 15 | 200 | | | |
* |<-----------| | | |
* </pre>
*/
@Test
public void testProxyDiameter() throws Throwable {
Endpoint bob = createEndpoint("bob");
UaRunnable callB = new UasScript.NotFound(bob.getUserAgent());
Endpoint bob2 = createEndpoint("bob");
UaRunnable callC = new UasScript.OkBye(bob2.getUserAgent());
callB.start();
callC.start();
SipServletRequest request = _ua.createRequest(SipMethods.INVITE, bob.getUri());
request.setRequestURI(bob.getContact().getURI());
request.addHeader("proxy", bob2.getContact().toString());
Call callA = _ua.createCall(request);
try {
assertThat(callA.waitForResponse(), isSuccess());
callA.createAck().send();
Thread.sleep(200);
callA.createBye().send();
assertThat(callA.waitForResponse(), isSuccess());
callB.assertDone();
callC.assertDone();
} finally {
checkForFailure();
}
}
@Override
public void doTest() throws Throwable {
SipServletRequest invite = waitForInitialRequest();
_ua.createResponse(invite, SipServletResponse.SC_RINGING).send();
SipServletRequest cancel = _dialog.waitForRequest();
assert cancel.getMethod().equals(SipMethods.CANCEL);
}
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 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);
}
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===");
}
}
public SipServletRequest createInitialRequest(String method, Address local, Address remote) {
if (_session != null) throw new IllegalStateException("Session already created");
SipApplicationSession appSession = getFactory().createApplicationSession();
SipServletRequest request = getFactory().createRequest(appSession, method, local, remote);
if (_outboundProxy != null) request.pushRoute(_outboundProxy);
return request;
}
@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 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();
}
public SipServletRequest createRequest(String method) {
if (_session == null) throw new IllegalStateException("Session not created");
SipServletRequest request = _session.createRequest(method);
if (_session.getState() == State.INITIAL && _outboundProxy != null)
request.pushRoute(_outboundProxy);
return request;
}
@Observer("INVITE")
@CreateProcess(definition = "demo")
public void doInvite(SipServletRequest request) throws Exception {
String sdp = new String((byte[]) request.getContent());
request.createResponse(180).send();
sipSession.setAttribute("inviteRequest", request);
if (conferenceEndpointName == null) conferenceEndpointName = "media/trunk/Conference/$";
mediaController.createConnection(conferenceEndpointName).modify("$", sdp);
}
@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
public void doTest() throws Throwable {
SipServletRequest request = waitForInitialRequest();
_ua.createResponse(request, SipServletResponse.SC_OK).send();
request = _dialog.waitForRequest();
assert request.getMethod().equals(SipMethods.ACK);
request = _dialog.waitForRequest();
assert request.getMethod().equals(SipMethods.BYE);
_ua.createResponse(request, SipServletResponse.SC_OK).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
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();
}
public void connectionFailed(MsConnectionEvent arg0) {
logger.error("connection failed " + arg0);
if (sipMessage instanceof SipServletRequest) {
SipServletRequest inviteRequest = (SipServletRequest) sipMessage;
try {
inviteRequest.createResponse(SipServletResponse.SC_SERVER_INTERNAL_ERROR).send();
} catch (IOException e) {
logger.error("Unexpected exception while sending the error response", e);
}
}
}
@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();
}
/**
*
*
* <pre>
* Alice Proxy Bob
* 1 | INVITE | |
* |----------->| |
* 2 | | INVITE |
* | |----------->|
* 3 | | 180 |
* | |<-----------|
* 4 | 180 | |
* |<-----------| |
* 5 | | CANCEL |
* | |----------->|
* 6 | 408 | |
* |<-----------| |
* 7 | | 200/CANCEL |
* | |<-----------|
* 8 | | 487/INVITE |
* | |<-----------|
* 9 | | ACK |
* | |----------->|
* 10 | ACK | |
* |----------->| |
* </pre>
*/
@Test
public void testVirtualBranch() throws Exception {
Endpoint bob = createEndpoint("bob");
UaRunnable callB = new UasScript.RingingCanceled(bob.getUserAgent());
callB.start();
SipServletRequest request = _ua.createRequest(SipMethods.INVITE, bob.getUri());
request.setRequestURI(bob.getContact().getURI());
Call callA = _ua.createCall(request);
assertThat(callA.waitForResponse(), hasStatus(SipServletResponse.SC_REQUEST_TIMEOUT));
checkForFailure();
}
@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);
}
}
private boolean isSipTrunk(SipServletRequest request) {
String deviceAddress = request.getFrom().getValue();
if (deviceAddress.contains("sip_trunk")) {
return true;
}
return false;
}
@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 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);
}
}
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();
}
}
/**
* Ensure that the servlet is not invoked if session is invalidated.
*
* <p>See http://jira.cipango.org/browse/CIPANGO-121
*
* <pre>
* Alice Proxy Bob
* 1 | INVITE | |
* |----------->| |
* 2 | | INVITE |
* | |--------->|
* 3 | | 200 |
* | |<---------|
* 4 | 200 | |
* |<-----------| |
* 5 | ACK | |
* |----------->| |
* 6 | | ACK |
* | |--------->|
* 7 | BYE | |
* |----------->| |
* 8 | | BYE |
* | |--------->|
* 9 | | 200 |
* | |<---------|
* 10 | 200 | |
* |<-----------| |
* </pre>
*/
@Test
public void testInvalidateBefore200() throws Exception {
Endpoint bob = createEndpoint("bob");
UaRunnable callB = new UasScript.OkBye(bob.getUserAgent());
callB.start();
SipServletRequest request = _ua.createRequest(SipMethods.INVITE, bob.getUri());
request.setRequestURI(bob.getContact().getURI());
Call callA = _ua.createCall(request);
assertThat(callA.waitForResponse(), isSuccess());
callA.createAck().send();
callA.createBye().send();
SipServletResponse response = callA.waitForResponse();
assertThat(response, isSuccess());
assertThat(response.getHeader("error"), is(nullValue()));
}
/** Invoked for SIP INVITE requests. */
@Override
protected void doInvite(final SipServletRequest req) throws ServletException, IOException {
if (req.isInitial()) {
// Get a reference to the Proxy helper.
final Proxy proxy = req.getProxy();
// Set Proxy parameters to control various aspects of the proxying
// operation:
proxy.setRecordRoute(true);
proxy.setSupervised(true);
// Set the flag indicates the working mode. True for Follow-Me; false for
// Find-me.
proxy.setParallel(m_parallel);
// Proxies a SIP request to the specified set of destinations.
proxy.proxyTo(m_targets);
}
}
private void initialize(SipServletRequest request) throws ServletException {
if (_session != null) throw new ServletException("Dialog already started");
_sessionHandler = new SessionHandler();
_session = request.getSession();
_session.setAttribute(MessageHandler.class.getName(), _sessionHandler);
_session.setAttribute(INITIAL_REQUEST_ATTRIBUTE, request);
_sessionHandler.setTimeout(_timeout);
_sessionHandler.setCredentials(_credentials);
}
/**
* Ensures that - DNS resolution is done using NAPTR and SRV in proxy mode; - retry is done if a
* 503 is received.
*
* <p>To run this test, the DNS server for domain cipango.voip should be configured with
*
* <pre>
* bob IN NAPTR 90 40 "s" "SIP+D2U" "" _sip._udp.bob
* _sip._udp.bob SRV 0 0 5064 local
* _sip._udp.bob SRV 5 0 5063 local
* </pre>
*
* Note:This test is marked as ignored as it requires a specific DNS configuration.
*/
@Ignore
public void dnsCase() throws Exception {
final Endpoint bob = createEndpoint("bob");
bob.getUserAgent()
.setDefaultHandler(
new MessageHandler() {
public void handleRequest(SipServletRequest request)
throws IOException, ServletException {
SipServletResponse response =
bob.getUserAgent().createResponse(request, SipServletResponse.SC_ACCEPTED);
response.addHeader("X-Dns", "ok");
response.send();
}
public void handleResponse(SipServletResponse response)
throws IOException, ServletException {}
});
final Endpoint bob2 = createEndpoint("bob");
bob2.getUserAgent()
.setDefaultHandler(
new MessageHandler() {
public void handleRequest(SipServletRequest request)
throws IOException, ServletException {
SipServletResponse response =
bob.getUserAgent()
.createResponse(request, SipServletResponse.SC_SERVICE_UNAVAILABLE);
response.send();
}
public void handleResponse(SipServletResponse response)
throws IOException, ServletException {}
});
SipServletRequest request = _ua.createRequest(SipMethods.MESSAGE, bob.getUri());
request.setRequestURI(_sipClient.getFactory().createURI("sip:bob.cipango.voip"));
Call call = _ua.createCall(request);
assertThat(call.waitForResponse(), hasStatus(SipServletResponse.SC_ACCEPTED));
checkForFailure();
}
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();
}
}
/**
*
*
* <pre>
* Alice Proxy Proxy Bob
* 1 | INVITE | | |
* |------------>| | |
* 2 | |INVITE tel:1234 | |
* | |---------------->| |
* 3 | | | INVITE |
* | | |--------->|
* 4 | | | 603 |
* | | |<---------|
* 5 | | 603 | |
* | |<----------------| |
* 6 | 603 | | |
* |<------------| | |
* 7 | ACK | | |
* |------------>| | |
* 8 | |ACK | |
* | |---------------->| |
* 9 | | | ACK |
* | | |--------->|
* </pre>
*/
@Test
public void testTelUri() throws Exception {
final Endpoint bob = createEndpoint("bob");
bob.getUserAgent()
.setDefaultHandler(
new MessageHandler() {
public void handleRequest(SipServletRequest request)
throws IOException, ServletException {
assertThat(request.getHeader("req-uri"), containsString("tel:1234"));
bob.getUserAgent().createResponse(request, SipServletResponse.SC_DECLINE).send();
}
public void handleResponse(SipServletResponse response)
throws IOException, ServletException {}
});
SipServletRequest request = _ua.createRequest(SipMethods.INVITE, bob.getUri());
request.setRequestURI(bob.getContact().getURI());
Call call = _ua.createCall(request);
assertThat(call.waitForResponse(), hasStatus(SipServletResponse.SC_DECLINE));
}
