private FromHeader getFromHeader() throws IOException { if (fromHeader != null) { return fromHeader; } try { SipURI fromURI = (SipURI) addressFactory.createURI("sip:" + proxyCredentials.getUserName() + "@" + registrar); fromURI.setTransportParam(sipProvider.getListeningPoint().getTransport()); fromURI.setPort(sipProvider.getListeningPoint().getPort()); Address fromAddress = addressFactory.createAddress(fromURI); fromAddress.setDisplayName(proxyCredentials.getUserDisplay()); fromHeader = headerFactory.createFromHeader(fromAddress, Integer.toString(hashCode())); } catch (ParseException e) { throw new IOException( "A ParseException occurred while creating From Header! " + e.getMessage()); } return fromHeader; }
private ArrayList getLocalViaHeaders() throws IOException { /* * We can't keep a cached copy because the callers * of this method change the viaHeaders. In particular * a branch may be added which causes INVITES to fail. */ if (viaHeaders != null) { return viaHeaders; } ListeningPoint lp = sipProvider.getListeningPoint(); viaHeaders = new ArrayList(); try { String addr = lp.getIPAddress(); ViaHeader viaHeader = headerFactory.createViaHeader(addr, lp.getPort(), lp.getTransport(), null); viaHeader.setRPort(); viaHeaders.add(viaHeader); return viaHeaders; } catch (ParseException e) { throw new IOException( "A ParseException occurred while creating Via Headers! " + e.getMessage()); } catch (InvalidArgumentException e) { throw new IOException( "Unable to create a via header for port " + lp.getPort() + " " + e.getMessage()); } }
private MaxForwardsHeader getMaxForwardsHeader() throws IOException { if (maxForwardsHeader != null) { return maxForwardsHeader; } try { maxForwardsHeader = headerFactory.createMaxForwardsHeader(MAX_FORWARDS); return maxForwardsHeader; } catch (InvalidArgumentException e) { throw new IOException( "A problem occurred while creating MaxForwardsHeader " + e.getMessage()); } }
private ContactHeader getRegistrationContactHeader() throws IOException { if (contactHeader != null) { return contactHeader; } try { SipURI contactURI = (SipURI) addressFactory.createURI( "sip:" + proxyCredentials.getUserName() + "@" + proxyCredentials.getHost()); contactURI.setTransportParam(sipProvider.getListeningPoint().getTransport()); contactURI.setPort(sipProvider.getListeningPoint().getPort()); Address contactAddress = addressFactory.createAddress(contactURI); contactAddress.setDisplayName(proxyCredentials.getUserDisplay()); contactHeader = headerFactory.createContactHeader(contactAddress); return contactHeader; } catch (ParseException e) { throw new IOException( "A ParseException occurred while creating From Header! " + " " + e.getMessage()); } }
private void register() throws IOException { Log.info("Registering with " + registrar); FromHeader fromHeader = getFromHeader(); Address fromAddress = fromHeader.getAddress(); // Request URI SipURI requestURI = null; try { requestURI = addressFactory.createSipURI(null, registrar); } catch (ParseException e) { throw new IOException("Bad registrar address:" + registrar + " " + e.getMessage()); } // requestURI.setPort(registrarPort); try { requestURI.setTransportParam(sipProvider.getListeningPoint().getTransport()); } catch (ParseException e) { throw new IOException( sipProvider.getListeningPoint().getTransport() + " is not a valid transport! " + e.getMessage()); } CallIdHeader callIdHeader = sipProvider.getNewCallId(); CSeqHeader cSeqHeader = null; try { cSeqHeader = headerFactory.createCSeqHeader(1, Request.REGISTER); } catch (ParseException e) { // Should never happen throw new IOException("Corrupt Sip Stack " + e.getMessage()); } catch (InvalidArgumentException e) { // Should never happen throw new IOException("The application is corrupt "); } ToHeader toHeader = null; try { String proxyWorkAround = System.getProperty("com.sun.mc.softphone.REGISTRAR_WORKAROUND"); if (proxyWorkAround != null && proxyWorkAround.toUpperCase().equals("TRUE")) { SipURI toURI = (SipURI) (requestURI.clone()); toURI.setUser(System.getProperty("user.name")); toHeader = headerFactory.createToHeader(addressFactory.createAddress(toURI), null); } else { toHeader = headerFactory.createToHeader(fromAddress, null); } } catch (ParseException e) { throw new IOException( "Could not create a To header for address:" + fromHeader.getAddress() + " " + e.getMessage()); } ArrayList viaHeaders = getLocalViaHeaders(); MaxForwardsHeader maxForwardsHeader = getMaxForwardsHeader(); Request request = null; try { request = messageFactory.createRequest( requestURI, Request.REGISTER, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwardsHeader); } catch (ParseException e) { throw new IOException("Could not create the register request! " + e.getMessage()); } ExpiresHeader expHeader = null; for (int retry = 0; retry < 2; retry++) { try { expHeader = headerFactory.createExpiresHeader(expires); } catch (InvalidArgumentException e) { if (retry == 0) { continue; } throw new IOException( "Invalid registrations expiration parameter - " + expires + " " + e.getMessage()); } } request.addHeader(expHeader); ContactHeader contactHeader = getRegistrationContactHeader(); request.addHeader(contactHeader); try { SipURI routeURI = (SipURI) addressFactory.createURI("sip:" + proxyCredentials.getProxy() + ";lr"); RouteHeader routeHeader = headerFactory.createRouteHeader(addressFactory.createAddress(routeURI)); request.addHeader(routeHeader); } catch (Exception e) { Log.error("Creating registration route error ", e); } ClientTransaction regTrans = null; try { regTrans = sipProvider.getNewClientTransaction(request); } catch (TransactionUnavailableException e) { throw new IOException( "Could not create a register transaction!\n" + "Check that the Registrar address is correct! " + e.getMessage()); } try { sipCallId = callIdHeader.getCallId(); sipServerCallback.addSipListener(sipCallId, this); registerRequest = request; regTrans.sendRequest(); Log.debug("Sent register request " + registerRequest); if (expires > 0) { scheduleReRegistration(); } } catch (Exception e) { throw new IOException("Could not send out the register request! " + e.getMessage()); } this.registerRequest = request; }