Ejemplo n.º 1
0
  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());
    }
  }
Ejemplo n.º 2
0
  private void sendInviteOK(RequestEvent requestEvent, ServerTransaction inviteTid) {
    try {
      logger.info("sendInviteOK: " + inviteTid);
      if (inviteTid.getState() != TransactionState.COMPLETED) {
        logger.info("shootme: Dialog state before OK: " + inviteTid.getDialog().getState());

        SipProvider sipProvider = (SipProvider) requestEvent.getSource();
        Request request = requestEvent.getRequest();
        Response okResponse = protocolObjects.messageFactory.createResponse(Response.OK, request);
        ListeningPoint lp = sipProvider.getListeningPoint(protocolObjects.transport);
        int myPort = lp.getPort();

        Address address =
            protocolObjects.addressFactory.createAddress(
                "Shootme <sip:" + myAddress + ":" + myPort + ">");
        ContactHeader contactHeader = protocolObjects.headerFactory.createContactHeader(address);
        okResponse.addHeader(contactHeader);
        inviteTid.sendResponse(okResponse);
        logger.info("shootme: Dialog state after OK: " + inviteTid.getDialog().getState());
        TestHarness.assertEquals(DialogState.CONFIRMED, inviteTid.getDialog().getState());
      } else {
        logger.info("semdInviteOK: inviteTid = " + inviteTid + " state = " + inviteTid.getState());
      }
    } catch (Exception ex) {
      ex.printStackTrace();
    }
  }
Ejemplo n.º 3
0
  /** Process the invite request. */
  public void processInvite(RequestEvent requestEvent, ServerTransaction serverTransaction) {
    SipProvider sipProvider = (SipProvider) requestEvent.getSource();
    Request request = requestEvent.getRequest();
    try {
      logger.info("shootme: got an Invite sending Trying");
      // logger.info("shootme: " + request);

      ServerTransaction st = requestEvent.getServerTransaction();

      if (st == null) {
        logger.info("null server tx -- getting a new one");
        st = sipProvider.getNewServerTransaction(request);
      }

      logger.info("getNewServerTransaction : " + st);

      String txId = ((ViaHeader) request.getHeader(ViaHeader.NAME)).getBranch();
      this.serverTxTable.put(txId, st);

      // Create the 100 Trying response.
      Response response = protocolObjects.messageFactory.createResponse(Response.TRYING, request);
      ListeningPoint lp = sipProvider.getListeningPoint(protocolObjects.transport);
      int myPort = lp.getPort();

      Address address =
          protocolObjects.addressFactory.createAddress(
              "Shootme <sip:" + myAddress + ":" + myPort + ">");

      // Add a random sleep to stagger the two OK's for the benifit of implementations
      // that may not be too good about handling re-entrancy.
      int timeToSleep = (int) (Math.random() * 1000);

      Thread.sleep(timeToSleep);

      st.sendResponse(response);

      Response ringingResponse =
          protocolObjects.messageFactory.createResponse(Response.RINGING, request);
      ContactHeader contactHeader = protocolObjects.headerFactory.createContactHeader(address);
      response.addHeader(contactHeader);
      ToHeader toHeader = (ToHeader) ringingResponse.getHeader(ToHeader.NAME);
      String toTag =
          actAsNonRFC3261UAS ? null : new Integer((int) (Math.random() * 10000)).toString();
      if (!actAsNonRFC3261UAS) toHeader.setTag(toTag); // Application is supposed to set.
      ringingResponse.addHeader(contactHeader);
      st.sendResponse(ringingResponse);
      Dialog dialog = st.getDialog();
      dialog.setApplicationData(st);

      this.inviteSeen = true;

      new Timer().schedule(new MyTimerTask(requestEvent, st /*,toTag*/), 1000);
    } catch (Exception ex) {
      ex.printStackTrace();
      System.exit(0);
    }
  }
 public void runTask() {
   if (logger.isLoggingEnabled(LogWriter.TRACE_DEBUG)) {
     logger.logDebug(
         "~~~ Starting processing of KeepAliveTimeoutEvent( "
             + peerAddress.getHostAddress()
             + ","
             + peerPort
             + ")...");
   }
   close(true, true);
   if (sipStack instanceof SipStackImpl) {
     for (Iterator<SipProviderImpl> it = ((SipStackImpl) sipStack).getSipProviders();
         it.hasNext(); ) {
       SipProviderImpl nextProvider = (SipProviderImpl) it.next();
       SipListener sipListener = nextProvider.getSipListener();
       ListeningPoint[] listeningPoints = nextProvider.getListeningPoints();
       for (ListeningPoint listeningPoint : listeningPoints) {
         if (sipListener != null
             && sipListener instanceof SipListenerExt
             // making sure that we don't notify each listening point but only the one on which
             // the timeout happened
             && listeningPoint.getIPAddress().equalsIgnoreCase(myAddress)
             && listeningPoint.getPort() == myPort
             && listeningPoint.getTransport().equalsIgnoreCase(getTransport())) {
           ((SipListenerExt) sipListener)
               .processIOException(
                   new IOExceptionEventExt(
                       nextProvider,
                       Reason.KeepAliveTimeout,
                       myAddress,
                       myPort,
                       peerAddress.getHostAddress(),
                       peerPort,
                       getTransport()));
         }
       }
     }
   } else {
     SipListener sipListener = sipStack.getSipListener();
     if (sipListener instanceof SipListenerExt) {
       ((SipListenerExt) sipListener)
           .processIOException(
               new IOExceptionEventExt(
                   this,
                   Reason.KeepAliveTimeout,
                   myAddress,
                   myPort,
                   peerAddress.getHostAddress(),
                   peerPort,
                   getTransport()));
     }
   }
 }
Ejemplo n.º 5
0
 public ViaHeader getStackViaHeader() {
   try {
     ListeningPoint lp = (ListeningPoint) sipStack.getListeningPoints().next();
     String host = sipStack.getIPAddress();
     int port = lp.getPort();
     String transport = lp.getTransport();
     // branch id is assigned by the transaction layer.
     return headerFactory.createViaHeader(host, port, transport, null);
   } catch (Exception e) {
     e.printStackTrace();
     return null;
   }
 }
Ejemplo n.º 6
0
  /**
   * Returns the JAIN-SIP <tt>ListeningPoint</tt> associated to the given transport string.
   *
   * @param transport a string like "UDP", "TCP" or "TLS".
   * @return the LP associated to the given transport.
   */
  @SuppressWarnings("unchecked") // jain-sip legacy code
  public ListeningPoint getLP(String transport) {
    ListeningPoint lp;
    Iterator<ListeningPoint> it = this.stack.getListeningPoints();

    while (it.hasNext()) {
      lp = it.next();
      // FIXME: JAIN-SIP stack is not consistent with case
      // (reported upstream)
      if (lp.getTransport().toLowerCase().equals(transport.toLowerCase())) return lp;
    }

    throw new IllegalArgumentException("Invalid transport: " + transport);
  }
Ejemplo n.º 7
0
  public ContactHeader getStackContactHeader() {
    try {
      ListeningPoint lp = (ListeningPoint) sipStack.getListeningPoints().next();
      String host = sipStack.getIPAddress();
      int port = lp.getPort();
      String transport = lp.getTransport();

      SipURI sipURI = addressFactory.createSipURI(null, host);
      sipURI.setPort(port);
      sipURI.setTransportParam(transport);
      Address contactAddress = addressFactory.createAddress(sipURI);

      return headerFactory.createContactHeader(contactAddress);
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }
    public void init() {
      SipFactory sipFactory = null;
      sipStack = null;
      sipFactory = SipFactory.getInstance();
      sipFactory.setPathName("gov.nist");
      Properties properties = new Properties();
      // If you want to try TCP transport change the following to
      String transport = "udp";
      String peerHostPort = "127.0.0.1:5070";
      properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/" + transport);
      // If you want to use UDP then uncomment this.
      properties.setProperty("javax.sip.STACK_NAME", "shootist");

      // The following properties are specific to nist-sip
      // and are not necessarily part of any other jain-sip
      // implementation.
      // You can set a max message size for tcp transport to
      // guard against denial of service attack.
      properties.setProperty("gov.nist.javax.sip.DEBUG_LOG", "shootistdebug.txt");
      properties.setProperty("gov.nist.javax.sip.SERVER_LOG", "shootistlog.txt");

      // Drop the client connection after we are done with the transaction.
      properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS", "false");
      // Set to 0 (or NONE) in your production code for max speed.
      // You need 16 (or TRACE) for logging traces. 32 (or DEBUG) for debug + traces.
      // Your code will limp at 32 but it is best for debugging.
      properties.setProperty("gov.nist.javax.sip.TRACE_LEVEL", "DEBUG");
      if (System.getProperty("enableNIO") != null
          && System.getProperty("enableNIO").equalsIgnoreCase("true")) {
        properties.setProperty(
            "gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY",
            NioMessageProcessorFactory.class.getName());
      }
      try {
        // Create SipStack object
        sipStack = sipFactory.createSipStack(properties);
        System.out.println("createSipStack " + sipStack);
      } catch (PeerUnavailableException e) {
        // could not find
        // gov.nist.jain.protocol.ip.sip.SipStackImpl
        // in the classpath
        e.printStackTrace();
        System.err.println(e.getMessage());
        fail("Problem with setup");
      }

      try {
        headerFactory = sipFactory.createHeaderFactory();
        addressFactory = sipFactory.createAddressFactory();
        messageFactory = sipFactory.createMessageFactory();
        udpListeningPoint = sipStack.createListeningPoint("127.0.0.1", 5060, "udp");
        sipProvider = sipStack.createSipProvider(udpListeningPoint);
        Shootist listener = this;
        sipProvider.addSipListener(listener);

        String fromName = "BigGuy";
        String fromSipAddress = "here.com";
        String fromDisplayName = "The Master Blaster";

        String toSipAddress = "there.com";
        String toUser = "******";
        String toDisplayName = "The Little Blister";

        // create >From Header
        SipURI fromAddress = addressFactory.createSipURI(fromName, fromSipAddress);

        Address fromNameAddress = addressFactory.createAddress(fromAddress);
        fromNameAddress.setDisplayName(fromDisplayName);
        FromHeader fromHeader = headerFactory.createFromHeader(fromNameAddress, "12345");

        // create To Header
        SipURI toAddress = addressFactory.createSipURI(toUser, toSipAddress);
        Address toNameAddress = addressFactory.createAddress(toAddress);
        toNameAddress.setDisplayName(toDisplayName);
        ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null);

        // create Request URI
        SipURI requestURI = addressFactory.createSipURI(toUser, peerHostPort);

        // Create ViaHeaders

        ArrayList viaHeaders = new ArrayList();
        String ipAddress = udpListeningPoint.getIPAddress();
        ViaHeader viaHeader =
            headerFactory.createViaHeader(
                ipAddress, sipProvider.getListeningPoint(transport).getPort(), transport, null);

        // add via headers
        viaHeaders.add(viaHeader);

        // Create ContentTypeHeader
        ContentTypeHeader contentTypeHeader =
            headerFactory.createContentTypeHeader("application", "sdp");

        // Create a new CallId header
        CallIdHeader callIdHeader = sipProvider.getNewCallId();

        // Create a new Cseq header
        CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE);

        // Create a new MaxForwardsHeader
        MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(70);

        // Create the request.
        Request request =
            messageFactory.createRequest(
                requestURI,
                Request.INVITE,
                callIdHeader,
                cSeqHeader,
                fromHeader,
                toHeader,
                viaHeaders,
                maxForwards);
        // Create contact headers
        String host = "127.0.0.1";

        SipURI contactUrl = addressFactory.createSipURI(fromName, host);
        contactUrl.setPort(udpListeningPoint.getPort());
        contactUrl.setLrParam();

        // Create the contact name address.
        SipURI contactURI = addressFactory.createSipURI(fromName, host);
        contactURI.setPort(sipProvider.getListeningPoint(transport).getPort());

        Address contactAddress = addressFactory.createAddress(contactURI);

        // Add the contact address.
        contactAddress.setDisplayName(fromName);

        contactHeader = headerFactory.createContactHeader(contactAddress);
        request.addHeader(contactHeader);

        // You can add extension headers of your own making
        // to the outgoing SIP request.
        // Add the extension header.
        Header extensionHeader = headerFactory.createHeader("My-Header", "my header value");
        request.addHeader(extensionHeader);

        String sdpData =
            "v=0\r\n"
                + "o=4855 13760799956958020 13760799956958020"
                + " IN IP4  129.6.55.78\r\n"
                + "s=mysession session\r\n"
                + "p=+46 8 52018010\r\n"
                + "c=IN IP4  129.6.55.78\r\n"
                + "t=0 0\r\n"
                + "m=audio 6022 RTP/AVP 0 4 18\r\n"
                + "a=rtpmap:0 PCMU/8000\r\n"
                + "a=rtpmap:4 G723/8000\r\n"
                + "a=rtpmap:18 G729A/8000\r\n"
                + "a=ptime:20\r\n";
        byte[] contents = sdpData.getBytes();

        request.setContent(contents, contentTypeHeader);
        // You can add as many extension headers as you
        // want.

        extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value ");
        request.addHeader(extensionHeader);

        Header callInfoHeader =
            headerFactory.createHeader("Call-Info", "<http://www.antd.nist.gov>");
        request.addHeader(callInfoHeader);

        // Create the client transaction.
        ClientTransaction inviteTid = sipProvider.getNewClientTransaction(request);

        // send the request out.
        inviteTid.sendRequest();

        dialog = inviteTid.getDialog();

      } catch (Exception ex) {
        fail("cannot create or send initial invite");
      }
    }
Ejemplo n.º 9
0
  /** This is a listener method. */
  public void processRequest(RequestEvent requestEvent) {
    Request request = requestEvent.getRequest();
    SipProvider sipProvider = (SipProvider) requestEvent.getSource();
    ServerTransaction serverTransaction = requestEvent.getServerTransaction();
    try {

      if (ProxyDebug.debug)
        ProxyDebug.println(
            "\n****************************************************"
                + "\nRequest "
                + request.getMethod()
                + " received:\n"
                + request.toString());

      if (ProxyDebug.debug) ProxyUtilities.printTransaction(serverTransaction);

      /** **************************************************************************** */
      /** ********************* PROXY BEHAVIOR *********************************** */
      /** **************************************************************************** */

      /*
       * RFC 3261: 16.2: For all new requests, including any with unknown
       * methods, an element intending to proxy the request MUST:
       *
       * 1. Validate the request (Section 16.3)
       *
       * 2. Preprocess routing information (Section 16.4)
       *
       * 3. Determine target(s) for the request (Section 16.5)
       *
       * 4. Forward the request to each target (Section 16.6)
       *
       * 5. Process all responses (Section 16.7)
       */

      /** **************************************************************************** */
      /** *************************** 1. Validate the request (Section 16.3) ********* */
      /** **************************************************************************** */

      /*
       * Before an element can proxy a request, it MUST verify the
       * message's validity
       */

      RequestValidation requestValidation = new RequestValidation(this);
      if (!requestValidation.validateRequest(sipProvider, request, serverTransaction)) {
        // An appropriate response has been sent back by the request
        // validation step, so we just return. The request has been
        // processed!
        if (ProxyDebug.debug)
          ProxyDebug.println(
              "Proxy, processRequest(), the request has not been"
                  + " validated, so the request is discarded "
                  + " (an error code has normally been"
                  + " sent back)");
        return;
      }

      // Let's check if the ACK is for the proxy: if there is no Route
      // header: it is mandatory for the ACK to be forwarded
      if (request.getMethod().equals(Request.ACK)) {
        ListIterator routes = request.getHeaders(RouteHeader.NAME);

        if (routes == null || !routes.hasNext()) {
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(), "
                    + "the request is an ACK"
                    + " targeted for the proxy, we ignore it");
          return;
        }
        /* added code */
        CallID call_id = (CallID) request.getHeader(CallID.CALL_ID);
        String call_id_str = call_id.getCallId();
        TimeThreadController.Start(call_id_str);
        /* end of added code */

      }

      if (serverTransaction == null) {
        String method = request.getMethod();
        // Methods that creates dialogs, so that can
        // generate transactions
        if (method.equals(Request.INVITE) || method.equals(Request.SUBSCRIBE)) {
          try {
            serverTransaction = sipProvider.getNewServerTransaction(request);
            TransactionsMapping transactionsMapping =
                (TransactionsMapping) serverTransaction.getDialog().getApplicationData();
            if (transactionsMapping == null) {
              transactionsMapping = new TransactionsMapping(serverTransaction);
            }
          } catch (TransactionAlreadyExistsException e) {
            if (ProxyDebug.debug)
              ProxyDebug.println(
                  "Proxy, processRequest(), this request" + " is a retransmission, we drop it!");
          }
        }
      }

      /** ************************************************************************ */
      /** **** 2. Preprocess routing information (Section 16.4) ****************** */
      /** ************************************************************************ */

      /*
       * The proxy MUST inspect the Request-URI of the request. If the
       * Request-URI of the request contains a value this proxy previously
       * placed into a Record-Route header field (see Section 16.6 item
       * 4), the proxy MUST replace the Request-URI in the request with
       * the last value from the Route header field, and remove that value
       * from the Route header field. The proxy MUST then proceed as if it
       * received this modified request. ..... (idem to below:) 16.12. The
       * proxy will inspect the URI in the topmost Route header field
       * value. If it indicates this proxy, the proxy removes it from the
       * Route header field (this route node has been reached).
       */

      ListIterator routes = request.getHeaders(RouteHeader.NAME);
      if (routes != null) {
        if (routes.hasNext()) {
          RouteHeader routeHeader = (RouteHeader) routes.next();
          Address routeAddress = routeHeader.getAddress();
          SipURI routeSipURI = (SipURI) routeAddress.getURI();

          String host = routeSipURI.getHost();
          int port = routeSipURI.getPort();

          if (sipStack.getIPAddress().equals(host)) {
            Iterator lps = sipStack.getListeningPoints();
            while (lps != null && lps.hasNext()) {
              ListeningPoint lp = (ListeningPoint) lps.next();
              if (lp.getPort() == port) {
                if (ProxyDebug.debug)
                  ProxyDebug.println(
                      "Proxy, processRequest(),"
                          + " we remove the first route form "
                          + " the RouteHeader;"
                          + " it matches the proxy");
                routes.remove();
                break;
              }
            }
          }
        }
      }

      /*
       * If the Request-URI contains a maddr parameter, the proxy MUST
       * check to see if its value is in the set of addresses or domains
       * the proxy is configured to be responsible for. If the Request-URI
       * has a maddr parameter with a value the proxy is responsible for,
       * and the request was received using the port and transport
       * indicated (explicitly or by default) in the Request-URI, the
       * proxy MUST strip the maddr and any non-default port or transport
       * parameter and continue processing as if those values had not been
       * present in the request.
       */

      URI requestURI = request.getRequestURI();
      if (requestURI.isSipURI()) {
        SipURI requestSipURI = (SipURI) requestURI;
        if (requestSipURI.getMAddrParam() != null) {
          // The domain the proxy is configured to be responsible for
          // is defined
          // by stack_domain parameter in the configuration file:
          if (configuration.hasDomain(requestSipURI.getMAddrParam())) {
            if (ProxyDebug.debug)
              ProxyDebug.println(
                  "Proxy, processRequest(),"
                      + " The maddr contains a domain we are responsible for,"
                      + " we remove the mAddr parameter from the original"
                      + " request");
            // We have to strip the madr parameter:
            requestSipURI.removeParameter("maddr");
            // We have to strip the port parameter:
            if (requestSipURI.getPort() != 5060 && requestSipURI.getPort() != -1) {
              requestSipURI.setPort(5060);
            }
            // We have to strip the transport parameter:
            requestSipURI.removeParameter("transport");
          } else {
            // The Maddr parameter is not a domain we have to take
            // care of, we pass this check...
          }
        } else {
          // No Maddr parameter, we pass this check...
        }
      } else {
        // No SipURI, so no Maddr parameter, we pass this check...
      }

      /** *************************************************************************** */
      /** *********** 3. Determine target(s) for the request (Section 16.5) ********* */
      /** ************************************************************************** */
      /*
       * The set of targets will either be predetermined by the contents
       * of the request or will be obtained from an abstract location
       * service. Each target in the set is represented as a URI.
       */

      Vector targetURIList = new Vector();
      URI targetURI;

      /*
       * If the Request-URI of the request contains an maddr parameter,
       * the Request-URI MUST be placed into the target set as the only
       * target URI, and the proxy MUST proceed to Section 16.6.
       */

      if (requestURI.isSipURI()) {
        SipURI requestSipURI = (SipURI) requestURI;
        if (requestSipURI.getMAddrParam() != null) {
          targetURI = requestURI;
          targetURIList.addElement(targetURI);
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(),"
                    + " the only target is the Request-URI (mAddr parameter)");

          // 4. Forward the request statefully:
          requestForwarding.forwardRequest(
              targetURIList, sipProvider, request, serverTransaction, true);

          return;
        }
      }

      /*
       * If the domain of the Request-URI indicates a domain this element
       * is not responsible for, the Request-URI MUST be placed into the
       * target set as the only target, and the element MUST proceed to
       * the task of Request Forwarding (Section 16.6).
       */

      if (requestURI.isSipURI()) {
        SipURI requestSipURI = (SipURI) requestURI;
        if (!configuration.hasDomain(requestSipURI.getHost())) {
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(),"
                    + " we are not responsible for the domain: Let's check if we have"
                    + " a registration for this domain from another proxy");

          // We have to check if another proxy did not registered
          // to us, in this case we have to use the contacts provided
          // by the registered proxy to create the targets:
          if (registrar.hasDomainRegistered(request)) {
            targetURIList = registrar.getDomainContactsURI(request);
            if (targetURIList != null && !targetURIList.isEmpty()) {
              if (ProxyDebug.debug) {
                ProxyDebug.println(
                    "Proxy, processRequest(), we have"
                        + " a registration for this domain from another proxy");
              }
              // 4. Forward the request statefully:
              requestForwarding.forwardRequest(
                  targetURIList, sipProvider, request, serverTransaction, true);
              return;

            } else {
              targetURIList = new Vector();
              ProxyDebug.println(
                  "Proxy, processRequest(),"
                      + " we are not responsible for the domain: the only target"
                      + " URI is given by the request-URI");
              targetURI = requestURI;
              targetURIList.addElement(targetURI);
            }
          } else {
            ProxyDebug.println(
                "Proxy, processRequest(),"
                    + " we are not responsible for the domain: the only target"
                    + " URI is given by the request-URI");
            targetURI = requestURI;
            targetURIList.addElement(targetURI);
          }

          // 4. Forward the request statelessly:
          requestForwarding.forwardRequest(
              targetURIList, sipProvider, request, serverTransaction, false);

          return;
        } else {
          ProxyDebug.println(
              "Proxy, processRequest(),"
                  + " we are responsible for the domain... Let's find the contact...");
        }
      }

      // we use a SIP registrar:
      if (request.getMethod().equals(Request.REGISTER)) {
        if (ProxyDebug.debug) ProxyDebug.println("Incoming request Register");
        // we call the RegisterProcessing:
        registrar.processRegister(request, sipProvider, serverTransaction);
        // Henrik: let the presenceserver do some processing too
        if (isPresenceServer()) {
          presenceServer.processRegisterRequest(sipProvider, request, serverTransaction);
        }

        return;
      }

      /*
       * If we receive a subscription targeted to a user that is
       * publishing its state here, send to presence server
       */
      if (isPresenceServer() && (request.getMethod().equals(Request.SUBSCRIBE))) {
        ProxyDebug.println("Incoming request Subscribe");

        if (presenceServer.isStateAgent(request)) {
          Request clonedRequest = (Request) request.clone();
          presenceServer.processSubscribeRequest(sipProvider, clonedRequest, serverTransaction);
        } else {
          // Do we know this guy?

          targetURIList = registrar.getContactsURI(request);
          if (targetURIList == null) {
            // If not respond that we dont know him.
            ProxyDebug.println(
                "Proxy: received a Subscribe request to "
                    + " a user in our domain that was not found, "
                    + " responded 404");
            Response response = messageFactory.createResponse(Response.NOT_FOUND, request);
            if (serverTransaction != null) serverTransaction.sendResponse(response);
            else sipProvider.sendResponse(response);
            return;
          } else {
            ProxyDebug.println(
                "Trying to forward subscribe to "
                    + targetURIList.toString()
                    + "\n"
                    + request.toString());
            requestForwarding.forwardRequest(
                targetURIList, sipProvider, request, serverTransaction, false);
          }
        }
        return;
      }

      /** Received a Notify. TOADD: Check if it match active VirtualSubscriptions and update it */
      if (isPresenceServer() && (request.getMethod().equals(Request.NOTIFY))) {
        System.out.println("Incoming request Notify");

        Response response = messageFactory.createResponse(481, request);
        response.setReasonPhrase("Subscription does not exist");
        if (serverTransaction != null) serverTransaction.sendResponse(response);
        else sipProvider.sendResponse(response);
        ProxyDebug.println("Proxy: received a Notify request. Probably wrong, responded 481");
        return;
      }

      if (isPresenceServer() && (request.getMethod().equalsIgnoreCase("PUBLISH"))) {

        System.out.println("Incoming request Publish");

        ProxyDebug.println("Proxy: received a Publish request.");
        Request clonedRequest = (Request) request.clone();

        if (presenceServer.isStateAgent(clonedRequest)) {
          ProxyDebug.println("PresenceServer.isStateAgent");
        } else {
          ProxyDebug.println("PresenceServer is NOT StateAgent");
        }

        if (presenceServer.isStateAgent(clonedRequest)) {
          presenceServer.processPublishRequest(sipProvider, clonedRequest, serverTransaction);
        } else {
          Response response = messageFactory.createResponse(Response.NOT_FOUND, request);
          if (serverTransaction != null) serverTransaction.sendResponse(response);
          else sipProvider.sendResponse(response);
        }
        return;
      }

      // Forward to next hop but dont reply OK right away for the
      // BYE. Bye is end-to-end not hop by hop!
      if (request.getMethod().equals(Request.BYE)) {

        if (serverTransaction == null) {
          if (ProxyDebug.debug) ProxyDebug.println("Proxy, null server transaction for BYE");
          return;
        }

        /* added code */
        CallID call_id = (CallID) request.getHeader(CallID.CALL_ID);
        String call_id_str = call_id.getCallId();
        long end_time = TimeThreadController.Stop(call_id_str);

        To tou = (To) request.getHeader(ToHeader.NAME);
        From fromu = (From) request.getHeader(FromHeader.NAME);

        String FromUser = fromu.getUserAtHostPort();
        String ToUser = tou.getUserAtHostPort();

        StringBuffer sb = new StringBuffer(FromUser);
        int endsAt = sb.indexOf("@");
        String FromUsername = sb.substring(0, endsAt);
        sb = new StringBuffer(ToUser);
        endsAt = sb.indexOf("@");
        String ToUsername = sb.substring(0, endsAt);
        BillStrategyApply bill = new BillStrategyApply(new StandardBillPolicy());
        long start_time = TimeThreadController.getStartTime();
        java.sql.Timestamp s = new java.sql.Timestamp(start_time);
        System.out.println("START TIME POU BIKE :" + s.toString());
        BigDecimal cost = bill.executeStrategy(1, 2, start_time, end_time);
        ProcessBill.updateCallDB(FromUsername, ToUsername, start_time, end_time, cost);

        /* end of added code */

        Dialog d = serverTransaction.getDialog();
        TransactionsMapping transactionsMapping = (TransactionsMapping) d.getApplicationData();
        Dialog peerDialog = (Dialog) transactionsMapping.getPeerDialog(serverTransaction);
        Request clonedRequest = (Request) request.clone();
        FromHeader from = (FromHeader) clonedRequest.getHeader(FromHeader.NAME);
        from.removeParameter("tag");
        ToHeader to = (ToHeader) clonedRequest.getHeader(ToHeader.NAME);
        to.removeParameter("tag");
        ViaHeader via = this.getStackViaHeader();
        clonedRequest.addHeader(via);
        if (peerDialog.getState() != null) {
          ClientTransaction newct = sipProvider.getNewClientTransaction(clonedRequest);
          transactionsMapping.addMapping(serverTransaction, newct);
          peerDialog.sendRequest(newct);
          return;
        } else {
          // the peer dialog is not yet established so bail out.
          // this is a client error - client is sending BYE
          // before dialog establishment.
          if (ProxyDebug.debug) ProxyDebug.println("Proxy, bad dialog state - BYE dropped");
          return;
        }
      }

      /*
       * If the target set for the request has not been predetermined as
       * described above, this implies that the element is responsible for
       * the domain in the Request-URI, and the element MAY use whatever
       * mechanism it desires to determine where to send the request. ...
       * When accessing the location service constructed by a registrar,
       * the Request-URI MUST first be canonicalized as described in
       * Section 10.3 before being used as an index.
       */
      if (requestURI.isSipURI()) {
        SipURI requestSipURI = (SipURI) requestURI;
        Iterator iterator = requestSipURI.getParameterNames();
        if (ProxyDebug.debug)
          ProxyDebug.println("Proxy, processRequest(), we canonicalized" + " the request-URI");
        while (iterator != null && iterator.hasNext()) {
          String name = (String) iterator.next();
          requestSipURI.removeParameter(name);
        }
      }

      if (registrar.hasRegistration(request)) {

        targetURIList = registrar.getContactsURI(request);

        // We fork only INVITE
        if (targetURIList != null
            && targetURIList.size() > 1
            && !request.getMethod().equals("INVITE")) {
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(), the request "
                    + " to fork is not an INVITE, so we will process"
                    + " it with the first target as the only target.");
          targetURI = (URI) targetURIList.firstElement();
          targetURIList = new Vector();
          targetURIList.addElement(targetURI);
          // 4. Forward the request statefully to the target:
          requestForwarding.forwardRequest(
              targetURIList, sipProvider, request, serverTransaction, true);
          return;
        }

        if (targetURIList != null && !targetURIList.isEmpty()) {
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(), the target set"
                    + " is the set of the contacts URI from the "
                    + " location service");

          To to = (To) request.getHeader(ToHeader.NAME);
          From from = (From) request.getHeader(FromHeader.NAME);

          String FromUser = from.getUserAtHostPort();
          String ToUser = to.getUserAtHostPort();

          StringBuffer sb = new StringBuffer(FromUser);
          int endsAt = sb.indexOf("@");
          String FromUsername = sb.substring(0, endsAt);
          sb = new StringBuffer(ToUser);
          endsAt = sb.indexOf("@");
          String ToUsername = sb.substring(0, endsAt);

          if (!block.CheckBlock(FromUsername, ToUsername)) {
            Response response =
                messageFactory.createResponse(Response.TEMPORARILY_UNAVAILABLE, request);
            if (serverTransaction != null) serverTransaction.sendResponse(response);
            else sipProvider.sendResponse(response);
            return;
          }
          /*
           * // ECE355 Changes - Aug. 2005. // Call registry service,
           * get response (uri - wsdl). // if response is not null
           * then // do our staff // send to caller decline message by
           * building a decline msg // and attach wsdl uri in the
           * message body // else .. continue the logic below ...
           *
           *
           * // Lets assume that wsdl_string contains the message with
           * all the // service names and uri's for each service in
           * the required format
           *
           * // Query for web services for the receiver of INVITE //
           * Use WebServices class to get services for org
           *
           * String messageBody = "" ; WebServicesQuery wsq = null ;
           * wsq = WebServicesQuery.getInstance();
           *
           * // Get services info for receiver // A receiver is
           * represented as an organization in the Service Registry
           *
           * To to = (To)request.getHeader(ToHeader.NAME); String
           * toAddress = to.getUserAtHostPort();
           *
           * // Remove all characters after the @ sign from To address
           * StringBuffer sb = new StringBuffer(toAddress); int endsAt
           * = sb.indexOf("@"); String orgNamePattern =
           * sb.substring(0, endsAt);
           *
           *
           * Collection serviceInfoColl =
           * wsq.findServicesForOrg(orgNamePattern);
           *
           * // If services are found for this receiver (Org), build
           * DECLINE message and // send to client if (serviceInfoColl
           * != null) { if (serviceInfoColl.size()!= 0 ){
           * System.out.println("Found " + serviceInfoColl.size() +
           * " services for o rg " + orgNamePattern) ; // Build
           * message body for DECLINE message with Service Info
           * messageBody = serviceInfoColl.size()+ " -- " ;
           *
           * Iterator servIter = serviceInfoColl.iterator(); while
           * (servIter.hasNext()) { ServiceInfo servInfo =
           * (ServiceInfo)servIter.next(); messageBody = messageBody +
           * servInfo.getDescription()+ " " + servInfo.getWsdluri() +
           * " " + servInfo.getEndPoint()+ " -- ";
           *
           *
           * System.out.println("Name: " + servInfo.getName()) ;
           * System.out.println("Providing Organization: " +
           * servInfo.getProvidingOrganization()) ;
           * System.out.println("Description: " +
           * servInfo.getDescription()) ;
           * System.out.println("Service End Point " +
           * servInfo.getEndPoint()) ; System.out.println("wsdl wri "
           * + servInfo.getWsdluri()) ;
           * System.out.println("---------------------------------");
           *
           *
           *
           * }
           *
           * System.out.println("ServiceInfo - Message Body  " +
           * messageBody) ;
           *
           * // Build and send DECLINE message with web service info
           *
           * ContentTypeHeader contentTypeHeader = new ContentType(
           * "text", "plain");
           *
           * Response response = messageFactory.createResponse(
           * Response.DECLINE, request, contentTypeHeader,
           * messageBody);
           *
           *
           *
           * if (serverTransaction != null)
           * serverTransaction.sendResponse(response); else
           * sipProvider.sendResponse(response); return; } else
           * System.out.println("There are no services for org " +
           * orgNamePattern) ;
           *
           * }
           *
           * // End of ECE355 change
           */

          // 4. Forward the request statefully to each target Section
          // 16.6.:
          requestForwarding.forwardRequest(
              targetURIList, sipProvider, request, serverTransaction, true);

          return;
        } else {
          // Let's continue and try the default hop.
        }
      }

      // The registrar cannot help to decide the targets, so let's use
      // our router: the default hop!
      ProxyDebug.println(
          "Proxy, processRequest(), the registrar cannot help"
              + " to decide the targets, so let's use our router: the default hop");
      Router router = sipStack.getRouter();
      if (router != null) {
        ProxyHop hop = (ProxyHop) router.getOutboundProxy();
        if (hop != null) {
          if (ProxyDebug.debug)
            ProxyDebug.println(
                "Proxy, processRequest(), the target set" + " is the defaut hop: outbound proxy");

          // Bug fix contributed by Joe Provino
          String user = null;

          if (requestURI.isSipURI()) {
            SipURI requestSipURI = (SipURI) requestURI;
            user = requestSipURI.getUser();
          }

          SipURI hopURI = addressFactory.createSipURI(user, hop.getHost());
          hopURI.setTransportParam(hop.getTransport());
          hopURI.setPort(hop.getPort());
          targetURI = hopURI;
          targetURIList.addElement(targetURI);

          // 4. Forward the request statelessly to each target Section
          // 16.6.:
          requestForwarding.forwardRequest(
              targetURIList, sipProvider, request, serverTransaction, false);

          return;
        }
      }

      /*
       * If the target set remains empty after applying all of the above,
       * the proxy MUST return an error response, which SHOULD be the 480
       * (Temporarily Unavailable) response.
       */
      Response response = messageFactory.createResponse(Response.TEMPORARILY_UNAVAILABLE, request);
      if (serverTransaction != null) serverTransaction.sendResponse(response);
      else sipProvider.sendResponse(response);

      if (ProxyDebug.debug)
        ProxyDebug.println(
            "Proxy, processRequest(), unable to set "
                + " the targets, 480 (Temporarily Unavailable) replied:\n"
                + response.toString());

    } catch (Exception ex) {
      try {
        if (ProxyDebug.debug) {
          ProxyDebug.println("Proxy, processRequest(), internal error, " + "exception raised:");
          ProxyDebug.logException(ex);
          ex.printStackTrace();
        }

        // This is an internal error:
        // Let's return a 500 SERVER_INTERNAL_ERROR
        Response response = messageFactory.createResponse(Response.SERVER_INTERNAL_ERROR, request);
        if (serverTransaction != null) serverTransaction.sendResponse(response);
        else sipProvider.sendResponse(response);

        if (ProxyDebug.debug)
          ProxyDebug.println(
              "Proxy, processRequest(),"
                  + " 500 SERVER_INTERNAL_ERROR replied:\n"
                  + response.toString());
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }
Ejemplo n.º 10
0
  public ClientTransaction call(SipURI destination) {
    try {

      String fromName = "B2BUA";
      String fromSipAddress = "here.com";
      String fromDisplayName = "B2BUA";

      String toSipAddress = "there.com";
      String toUser = "******";
      String toDisplayName = "Target";

      // create >From Header
      SipURI fromAddress = addressFactory.createSipURI(fromName, fromSipAddress);

      Address fromNameAddress = addressFactory.createAddress(fromAddress);
      fromNameAddress.setDisplayName(fromDisplayName);
      FromHeader fromHeader =
          headerFactory.createFromHeader(
              fromNameAddress, new Long(counter.getAndIncrement()).toString());

      // create To Header
      SipURI toAddress = addressFactory.createSipURI(toUser, toSipAddress);
      Address toNameAddress = addressFactory.createAddress(toAddress);
      toNameAddress.setDisplayName(toDisplayName);
      ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null);

      // create Request URI
      SipURI requestURI = destination;

      // Create ViaHeaders

      ArrayList viaHeaders = new ArrayList();
      String ipAddress = listeningPoint.getIPAddress();
      ViaHeader viaHeader =
          headerFactory.createViaHeader(
              ipAddress, sipProvider.getListeningPoint(transport).getPort(), transport, null);

      // add via headers
      viaHeaders.add(viaHeader);

      // Create ContentTypeHeader
      ContentTypeHeader contentTypeHeader =
          headerFactory.createContentTypeHeader("application", "sdp");

      // Create a new CallId header
      CallIdHeader callIdHeader = sipProvider.getNewCallId();

      // Create a new Cseq header
      CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(1L, Request.INVITE);

      // Create a new MaxForwardsHeader
      MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(70);

      // Create the request.
      Request request =
          messageFactory.createRequest(
              requestURI,
              Request.INVITE,
              callIdHeader,
              cSeqHeader,
              fromHeader,
              toHeader,
              viaHeaders,
              maxForwards);
      // Create contact headers
      String host = "127.0.0.1";

      SipURI contactUrl = addressFactory.createSipURI(fromName, host);
      contactUrl.setPort(listeningPoint.getPort());
      contactUrl.setLrParam();

      // Create the contact name address.
      SipURI contactURI = addressFactory.createSipURI(fromName, host);
      contactURI.setPort(sipProvider.getListeningPoint(transport).getPort());

      Address contactAddress = addressFactory.createAddress(contactURI);

      // Add the contact address.
      contactAddress.setDisplayName(fromName);

      ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress);
      request.addHeader(contactHeader);

      // You can add extension headers of your own making
      // to the outgoing SIP request.
      // Add the extension header.
      Header extensionHeader = headerFactory.createHeader("My-Header", "my header value");
      request.addHeader(extensionHeader);

      String sdpData =
          "v=0\r\n"
              + "o=4855 13760799956958020 13760799956958020"
              + " IN IP4  129.6.55.78\r\n"
              + "s=mysession session\r\n"
              + "p=+46 8 52018010\r\n"
              + "c=IN IP4  129.6.55.78\r\n"
              + "t=0 0\r\n"
              + "m=audio 6022 RTP/AVP 0 4 18\r\n"
              + "a=rtpmap:0 PCMU/8000\r\n"
              + "a=rtpmap:4 G723/8000\r\n"
              + "a=rtpmap:18 G729A/8000\r\n"
              + "a=ptime:20\r\n";
      byte[] contents = sdpData.getBytes();

      request.setContent(contents, contentTypeHeader);
      // You can add as many extension headers as you
      // want.

      extensionHeader = headerFactory.createHeader("My-Other-Header", "my new header value ");
      request.addHeader(extensionHeader);

      Header callInfoHeader = headerFactory.createHeader("Call-Info", "<http://www.antd.nist.gov>");
      request.addHeader(callInfoHeader);

      // Create the client transaction.
      ClientTransaction inviteTid = sipProvider.getNewClientTransaction(request);

      System.out.println("inviteTid = " + inviteTid);

      // send the request out.

      inviteTid.sendRequest();

      return inviteTid;

    } catch (Exception ex) {
      System.out.println(ex.getMessage());
      ex.printStackTrace();
    }
    return null;
  }