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();
}
@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 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);
}
private boolean isSipTrunk(SipServletRequest request) {
String deviceAddress = request.getFrom().getValue();
if (deviceAddress.contains("sip_trunk")) {
return true;
}
return false;
}
@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
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);
}
}
/**
* @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;
}
