Exemplo n.º 1
0
  /**
   * Responds with <i>resp</i>. This method can be called when the InviteDialog is in D_INVITED or
   * D_BYED states.
   *
   * <p>If the CSeq method is INVITE and the response is 2xx, it moves to state D_ACCEPTED, adds a
   * new listener to the SipProviderListener, and creates new AckTransactionServer
   *
   * <p>If the CSeq method is INVITE and the response is not 2xx, it moves to state D_REFUSED, and
   * sends the response.
   */
  public void respond(Message resp)
        // private void respond(Message resp)
      {
    printLog("inside respond(resp)", LogLevel.MEDIUM);
    String method = resp.getCSeqHeader().getMethod();
    if (method.equals(SipMethods.INVITE)) {
      if (!verifyStatus(statusIs(D_INVITED) || statusIs(D_ReINVITED))) {
        printLog(
            "respond(): InviteDialog not in (re)invited state: No response now", LogLevel.HIGH);
        return;
      }

      int code = resp.getStatusLine().getCode();
      // 1xx provisional responses
      if (code >= 100 && code < 200) {
        invite_ts.respondWith(resp);
        return;
      }
      // For all final responses establish the dialog
      if (code >= 200) { // changeStatus(D_ACCEPTED);
        update(Dialog.UAS, resp);
      }
      // 2xx success responses
      if (code >= 200 && code < 300) {
        if (statusIs(D_INVITED)) changeStatus(D_ACCEPTED);
        else changeStatus(D_ReACCEPTED);
        // terminates the INVITE Transaction server and activates an ACK
        // Transaction server
        invite_ts.terminate();
        ConnectionIdentifier conn_id = invite_ts.getConnectionId();
        ack_ts = new AckTransactionServer(sip_provider, conn_id, resp, this);
        ack_ts.respond();
        // if (statusIs(D_ReACCEPTED))
        // listener.onDlgReInviteAccepted(this);
        // else listener.onDlgAccepted(this);
        return;
      } else
      // 300-699 failure responses
      // if (code>=300)
      {
        if (statusIs(D_INVITED)) changeStatus(D_REFUSED);
        else changeStatus(D_ReREFUSED);
        invite_ts.respondWith(resp);
        // if (statusIs(D_ReREFUSED))
        // listener.onDlgReInviteRefused(this);
        // else listener.onDlgRefused(this);
        return;
      }
    }
    if (method.equals(SipMethods.BYE)) {
      if (!verifyStatus(statusIs(D_BYED))) return;
      bye_ts.respondWith(resp);
    }
  }
Exemplo n.º 2
0
 /**
  * When the AckTransactionServer goes into the "Terminated" state, caused by transaction timeout
  */
 public void onTransAckTimeout(AckTransactionServer ts) {
   printLog("inside onAckSrvTimeout(ts)", LogLevel.LOW);
   if (!verifyStatus(
       statusIs(D_ACCEPTED)
           || statusIs(D_ReACCEPTED)
           || statusIs(D_REFUSED)
           || statusIs(D_ReREFUSED))) return;
   printLog("No ACK received..", LogLevel.HIGH);
   changeStatus(D_CLOSE);
   listener.onDlgClose(this);
 }
Exemplo n.º 3
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  /**
   * Starts a new InviteTransactionClient and initializes the dialog state information.
   *
   * @param callee the callee url (and display name)
   * @param caller the caller url (and display name)
   * @param contact the contact url OR the contact username
   * @param session_descriptor SDP body
   * @param icsi the ICSI for this session
   */
  public void invite(
      String callee,
      String caller,
      String contact,
      String session_descriptor,
      String icsi) { // modified by mandrajg
    printLog("inside invite(callee,caller,contact,sdp)", LogLevel.MEDIUM);
    if (!statusIs(D_INIT)) return;
    // else
    NameAddress to_url = new NameAddress(callee);
    NameAddress from_url = new NameAddress(caller);
    SipURL request_uri = to_url.getAddress();

    NameAddress contact_url = null;
    if (contact != null) {
      if (contact.indexOf("sip:") >= 0) contact_url = new NameAddress(contact);
      else
        contact_url =
            new NameAddress(
                new SipURL(contact, sip_provider.getViaAddress(), sip_provider.getPort()));
    } else contact_url = from_url;

    Message invite =
        MessageFactory.createInviteRequest(
            sip_provider,
            request_uri,
            to_url,
            from_url,
            contact_url,
            session_descriptor,
            icsi); // modified by mandrajg
    // do invite
    invite(invite);
  }
Exemplo n.º 4
0
 /**
  * Inherited from TransactionClientListener. When the TransactionClientListener goes into the
  * "Completed" state, receiving a failure response
  *
  * <p>If called for a INVITE transaction, it moves to D_CLOSE state, removes the listener from
  * SipProvider.
  *
  * <p>If called for a BYE transaction, it moves to D_CLOSE state, removes the listener from
  * SipProvider, and fires <i>onClose(this,msg)</i>.
  */
 public void onTransFailureResponse(TransactionClient tc, Message msg) {
   printLog("inside onTransFailureResponse(" + tc.getTransactionId() + ",msg)", LogLevel.LOW);
   if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
     if (!verifyStatus(statusIs(D_INVITING) || statusIs(D_ReINVITING))) return;
     StatusLine statusline = msg.getStatusLine();
     int code = statusline.getCode();
     verifyThat(code >= 300 && code < 700, "error code was expected");
     if (statusIs(D_ReINVITING)) {
       changeStatus(D_CALL);
       listener.onDlgReInviteFailureResponse(this, code, statusline.getReason(), msg);
     } else {
       changeStatus(D_CLOSE);
       if (code >= 300 && code < 400)
         listener.onDlgInviteRedirectResponse(
             this, code, statusline.getReason(), msg.getContacts(), msg);
       else listener.onDlgInviteFailureResponse(this, code, statusline.getReason(), msg);
       listener.onDlgClose(this);
     }
   } else if (tc.getTransactionMethod().equals(SipMethods.BYE)) {
     if (!verifyStatus(statusIs(D_BYEING))) return;
     StatusLine statusline = msg.getStatusLine();
     int code = statusline.getCode();
     verifyThat(code >= 300 && code < 700, "error code was expected");
     changeStatus(InviteDialog.D_CALL);
     listener.onDlgByeFailureResponse(this, code, statusline.getReason(), msg);
   }
 }
Exemplo n.º 5
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 /**
  * Termiante the call. This method should be called when the InviteDialog is in D_CALL state
  *
  * <p>Increments the Cseq, moves to state D_BYEING, and creates new BYE TransactionClient
  */
 public void bye() {
   printLog("inside bye()", LogLevel.MEDIUM);
   if (statusIs(D_CALL)) {
     Message bye = MessageFactory.createByeRequest(this);
     bye(bye);
   }
 }
Exemplo n.º 6
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 /**
  * Inherited from TransactionClientListener. When an TransactionClientListener goes into the
  * "Terminated" state, receiving a 2xx response
  *
  * <p>If called for a INVITE transaction, it updates the dialog information, moves to D_CALL
  * state, add a listener to the SipProvider, creates a new AckTransactionClient(ack,this), and
  * fires <i>onSuccessResponse(this,code,body,msg)</i>.
  *
  * <p>If called for a BYE transaction, it moves to D_CLOSE state, removes the listener from
  * SipProvider, and fires <i>onClose(this,msg)</i>.
  */
 public void onTransSuccessResponse(TransactionClient tc, Message msg) {
   printLog("inside onTransSuccessResponse(tc,msg)", LogLevel.LOW);
   if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
     if (!verifyStatus(statusIs(D_INVITING) || statusIs(D_ReINVITING))) return;
     StatusLine statusline = msg.getStatusLine();
     int code = statusline.getCode();
     if (!verifyThat(
         code >= 200 && code < 300 && msg.getTransactionMethod().equals(SipMethods.INVITE),
         "2xx for invite was expected")) return;
     boolean re_inviting = statusIs(D_ReINVITING);
     changeStatus(D_CALL);
     update(Dialog.UAC, msg);
     if (invite_offer) { // invite_req=MessageFactory.createRequest(SipMethods.ACK,dialog_state,sdp.toString());
       // ack=MessageFactory.createRequest(this,SipMethods.ACK,null);
       ack_req = MessageFactory.create2xxAckRequest(this, null);
       AckTransactionClient ack_tc = new AckTransactionClient(sip_provider, ack_req, null);
       ack_tc.request();
     }
     if (!re_inviting) {
       listener.onDlgInviteSuccessResponse(this, code, statusline.getReason(), msg.getBody(), msg);
       listener.onDlgCall(this);
     } else
       listener.onDlgReInviteSuccessResponse(
           this, code, statusline.getReason(), msg.getBody(), msg);
   } else if (tc.getTransactionMethod().equals(SipMethods.BYE)) {
     if (!verifyStatus(statusIs(D_BYEING))) return;
     StatusLine statusline = msg.getStatusLine();
     int code = statusline.getCode();
     verifyThat(code >= 200 && code < 300, "2xx for bye was expected");
     changeStatus(D_CLOSE);
     listener.onDlgByeSuccessResponse(this, code, statusline.getReason(), msg);
     listener.onDlgClose(this);
   }
 }
Exemplo n.º 7
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 /**
  * Inherited from TransactionClientListener. When the TransactionClientListener is in "Proceeding"
  * state and receives a new 1xx response
  *
  * <p>For INVITE transaction it fires <i>onFailureResponse(this,code,reason,body,msg)</i>.
  */
 public void onTransProvisionalResponse(TransactionClient tc, Message msg) {
   printLog("inside onTransProvisionalResponse(tc,mdg)", LogLevel.LOW);
   if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
     StatusLine statusline = msg.getStatusLine();
     listener.onDlgInviteProvisionalResponse(
         this, statusline.getCode(), statusline.getReason(), msg.getBody(), msg);
   }
 }
Exemplo n.º 8
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 /**
  * Cancel the ongoing call request or a call listening. This method should be called when the
  * InviteDialog is in D_INVITING or D_ReINVITING state or in the D_WAITING state
  */
 public void cancel(Message cancel) {
   printLog("inside cancel(cancel)", LogLevel.MEDIUM);
   if (statusIs(D_INVITING) || statusIs(D_ReINVITING)) { // changeStatus(D_CANCELING);
     TransactionClient tc = new TransactionClient(sip_provider, cancel, null);
     tc.request();
   } else if (statusIs(D_WAITING) || statusIs(D_ReWAITING)) {
     invite_ts.terminate();
   }
 }
Exemplo n.º 9
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 /**
  * Cancel the ongoing call request or a call listening. This method should be called when the
  * InviteDialog is in D_INVITING or D_ReINVITING state or in the D_WAITING state
  */
 public void cancel() {
   printLog("inside cancel()", LogLevel.MEDIUM);
   if (statusIs(D_INVITING) || statusIs(D_ReINVITING)) {
     Message cancel = MessageFactory.createCancelRequest(invite_req, this); // modified
     cancel(cancel);
   } else if (statusIs(D_WAITING) || statusIs(D_ReWAITING)) {
     invite_ts.terminate();
   }
 }
Exemplo n.º 10
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 /**
  * Inherited from InviteTransactionServerListener. When an InviteTransactionServer goes into the
  * "Confirmed" state receining an ACK for NON-2xx response
  *
  * <p>It moves to D_CLOSE state and removes the listener from SipProvider.
  */
 public void onTransFailureAck(InviteTransactionServer ts, Message msg) {
   printLog("inside onTransFailureAck(ts,msg)", LogLevel.LOW);
   if (!verifyStatus(statusIs(D_REFUSED) || statusIs(D_ReREFUSED))) return;
   if (statusIs(D_ReREFUSED)) {
     changeStatus(D_CALL);
   } else {
     changeStatus(D_CLOSE);
     listener.onDlgClose(this);
   }
 }
Exemplo n.º 11
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 /**
  * Re-invites the remote user.
  *
  * <p>Starts a new InviteTransactionClient and changes the dialog state information
  */
 public void reInvite(Message invite) {
   printLog("inside reInvite(invite)", LogLevel.MEDIUM);
   if (!statusIs(D_CALL)) return;
   // else
   changeStatus(D_ReINVITING);
   invite_req = invite;
   update(Dialog.UAC, invite_req);
   InviteTransactionClient invite_tc = new InviteTransactionClient(sip_provider, invite_req, this);
   invite_tc.request();
 }
Exemplo n.º 12
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 /**
  * Termiante the call. This method should be called when the InviteDialog is in D_CALL state
  *
  * <p>Increments the Cseq, moves to state D_BYEING, and creates new BYE TransactionClient
  */
 public void bye(Message bye) {
   printLog("inside bye(bye)", LogLevel.MEDIUM);
   if (statusIs(D_CALL)) {
     changeStatus(D_BYEING);
     // dialog_state.incLocalCSeq(); // done by
     // MessageFactory.createRequest()
     TransactionClient tc = new TransactionClient(sip_provider, bye, this);
     tc.request();
     // listener.onDlgByeing(this);
   }
 }
Exemplo n.º 13
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 /**
  * Inherited from TransactionClientListener. When the TransactionClient goes into the "Terminated"
  * state, caused by transaction timeout
  */
 public void onTransTimeout(TransactionClient tc) {
   printLog("inside onTransTimeout(tc,msg)", LogLevel.LOW);
   if (tc.getTransactionMethod().equals(SipMethods.INVITE)) {
     if (!verifyStatus(statusIs(D_INVITING) || statusIs(D_ReINVITING))) return;
     cancel(); // modified
     changeStatus(D_CLOSE);
     listener.onDlgTimeout(this);
     listener.onDlgClose(this);
   } else if (tc.getTransactionMethod().equals(SipMethods.BYE)) {
     if (!verifyStatus(statusIs(D_BYEING))) return;
     changeStatus(D_CLOSE);
     listener.onDlgClose(this);
   }
 }
Exemplo n.º 14
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 /**
  * Inherited from TransactionServerListener. When the TransactionServer goes into the "Trying"
  * state receiving a request
  *
  * <p>If called for a INVITE transaction, it initializes the dialog information, <br>
  * moves to D_INVITED state, and add a listener to the SipProvider, <br>
  * and fires <i>onInvite(caller,body,msg)</i>.
  */
 public void onTransRequest(TransactionServer ts, Message req) {
   printLog("inside onTransRequest(ts,msg)", LogLevel.LOW);
   if (ts.getTransactionMethod().equals(SipMethods.INVITE)) {
     if (!verifyStatus(statusIs(D_WAITING))) return;
     changeStatus(D_INVITED);
     invite_req = req;
     update(Dialog.UAS, invite_req);
     listener.onDlgInvite(
         this,
         invite_req.getToHeader().getNameAddress(),
         invite_req.getFromHeader().getNameAddress(),
         invite_req.getBody(),
         invite_req);
   }
 }
Exemplo n.º 15
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 /**
  * Re-invites the remote user.
  *
  * <p>Starts a new InviteTransactionClient and changes the dialog state information
  *
  * <p>Parameters: <br>
  * - contact : the contact url OR the contact username; if null, the previous contact is used <br>
  * - session_descriptor : the message body
  */
 public void reInvite(String contact, String session_descriptor) {
   printLog("inside reInvite(contact,sdp)", LogLevel.MEDIUM);
   if (!statusIs(D_CALL)) return;
   // else
   Message invite = MessageFactory.createInviteRequest(this, session_descriptor);
   if (contact != null) {
     NameAddress contact_url;
     if (contact.indexOf("sip:") >= 0) contact_url = new NameAddress(contact);
     else
       contact_url =
           new NameAddress(
               new SipURL(contact, sip_provider.getViaAddress(), sip_provider.getPort()));
     invite.setContactHeader(new ContactHeader(contact_url));
   }
   reInvite(invite);
 }
Exemplo n.º 16
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 /**
  * Responds with <i>code</i> and <i>reason</i>. This method can be called when the InviteDialog is
  * in D_INVITED, D_ReINVITED states
  */
 public void respond(int code, String reason, String contact, String sdp) {
   printLog("inside respond(" + code + "," + reason + ")", LogLevel.MEDIUM);
   if (statusIs(D_INVITED) || statusIs(D_ReINVITED)) {
     NameAddress contact_address = null;
     if (contact != null) contact_address = new NameAddress(contact);
     Message resp = MessageFactory.createResponse(invite_req, code, reason, contact_address);
     resp.setBody(sdp);
     respond(resp);
   } else
     printWarning(
         "Dialog isn't in \"invited\" state: cannot respond ("
             + code
             + "/"
             + getStatus()
             + "/"
             + getDialogID()
             + ")",
         LogLevel.MEDIUM);
 }
Exemplo n.º 17
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 /**
  * Signals that the phone is ringing. This method should be called when the InviteDialog is in
  * D_INVITED or D_ReINVITED state
  */
 public void ring(String sdp) { // modified
   printLog("inside ring()", LogLevel.MEDIUM);
   respond(180, SipResponses.reasonOf(180), null, sdp);
 }
Exemplo n.º 18
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 /**
  * Accepts the incoming call. This method should be called when the InviteDialog is in D_INVITED
  * or D_ReINVITED state
  */
 public void accept(String contact, String sdp) {
   printLog("inside accept(sdp)", LogLevel.MEDIUM);
   respond(200, SipResponses.reasonOf(200), contact, sdp);
 }
Exemplo n.º 19
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 /**
  * Refuses the incoming call. This method should be called when the InviteDialog is in D_INVITED
  * or D_ReINVITED state
  */
 public void refuse(int code, String reason) {
   printLog("inside refuse(" + code + "," + reason + ")", LogLevel.MEDIUM);
   respond(code, reason, null, null);
 }
Exemplo n.º 20
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 /**
  * Inherited from class SipProviderListener. Called when a new message is received (out of any
  * ongoing transaction) for the current InviteDialog. Always checks for out-of-date methods (CSeq
  * header sequence number).
  *
  * <p>If the message is ACK(2xx/INVITE) request, it moves to D_CALL state, and fires
  * <i>onDlgAck(this,body,msg)</i>.
  *
  * <p>If the message is 2xx(INVITE) response, it create a new AckTransactionClient
  *
  * <p>If the message is BYE, it moves to D_BYED state, removes the listener from SipProvider,
  * fires onDlgBye(this,msg) then it responds with 200 OK, moves to D_CLOSE state and fires
  * onDlgClose(this)
  */
 public void onReceivedMessage(SipProvider sip_provider, Message msg) {
   printLog("inside onReceivedMessage(sip_provider,message)", LogLevel.MEDIUM);
   if (msg.isRequest()
       && !(msg.isAck() || msg.isCancel())
       && msg.getCSeqHeader().getSequenceNumber() <= getRemoteCSeq()) {
     printLog("Request message is too late (CSeq too small): Message discarded", LogLevel.HIGH);
     return;
   }
   // invite received
   if (msg.isRequest() && msg.isInvite()) {
     verifyStatus(statusIs(D_INIT) || statusIs(D_CALL));
     // NOTE: if the invite_ts.listen() is used, you should not arrive
     // here with the D_INIT state..
     // however state D_INIT has been included for robustness against
     // further changes.
     if (statusIs(D_INIT)) changeStatus(D_INVITED);
     else changeStatus(D_ReINVITED);
     invite_req = msg;
     invite_ts = new InviteTransactionServer(sip_provider, invite_req, this);
     // ((TransactionServer)transaction).listen();
     update(Dialog.UAS, invite_req);
     if (statusIs(D_INVITED))
       listener.onDlgInvite(
           this,
           invite_req.getToHeader().getNameAddress(),
           invite_req.getFromHeader().getNameAddress(),
           invite_req.getBody(),
           invite_req);
     else listener.onDlgReInvite(this, invite_req.getBody(), invite_req);
   } else
   // ack (of 2xx of INVITE)
   if (msg.isRequest() && msg.isAck()) {
     if (!verifyStatus(statusIs(D_ACCEPTED) || statusIs(D_ReACCEPTED))) return;
     changeStatus(D_CALL);
     // terminates the AckTransactionServer
     ack_ts.terminate();
     listener.onDlgAck(this, msg.getBody(), msg);
     listener.onDlgCall(this);
   } else
   // keep sending ACK (if already sent) for any "200 OK" received
   if (msg.isResponse()) {
     if (!verifyStatus(statusIs(D_CALL))) return;
     int code = msg.getStatusLine().getCode();
     verifyThat(code >= 200 && code < 300, "code 2xx was expected");
     if (ack_req != null) {
       AckTransactionClient ack_tc = new AckTransactionClient(sip_provider, ack_req, null);
       ack_tc.request();
     }
   } else
   // bye received
   if (msg.isRequest() && msg.isBye()) {
     if (!verifyStatus(statusIs(D_CALL) || statusIs(D_BYEING))) return;
     changeStatus(D_BYED);
     bye_ts = new TransactionServer(sip_provider, msg, this);
     // automatically sends a 200 OK
     Message resp = MessageFactory.createResponse(msg, 200, SipResponses.reasonOf(200), null);
     respond(resp);
     listener.onDlgBye(this, msg);
     changeStatus(D_CLOSE);
     listener.onDlgClose(this);
   } else
   // cancel received
   if (msg.isRequest() && msg.isCancel()) {
     if (!verifyStatus(statusIs(D_INVITED) || statusIs(D_ReINVITED))) return;
     // create a CANCEL TransactionServer and send a 200 OK (CANCEL)
     TransactionServer ts = new TransactionServer(sip_provider, msg, null);
     // ts.listen();
     ts.respondWith(MessageFactory.createResponse(msg, 200, SipResponses.reasonOf(200), null));
     // automatically sends a 487 Cancelled
     Message resp =
         MessageFactory.createResponse(invite_req, 487, SipResponses.reasonOf(487), null);
     respond(resp);
     listener.onDlgCancel(this, msg);
   } else
   // any other request received
   if (msg.isRequest()) {
     TransactionServer ts = new TransactionServer(sip_provider, msg, null);
     // ts.listen();
     ts.respondWith(MessageFactory.createResponse(msg, 405, SipResponses.reasonOf(405), null));
   }
 }
Exemplo n.º 21
0
 /**
  * Redirects the incoming call , specifing the <i>code</i> and <i>reason</i>. This method can be
  * called when the InviteDialog is in D_INVITED or D_ReINVITED state
  */
 public void redirect(int code, String reason, String contact) {
   printLog("inside redirect(" + code + "," + reason + "," + contact + ")", LogLevel.MEDIUM);
   respond(code, reason, contact, null);
 }
Exemplo n.º 22
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 /**
  * Refuses the incoming call. This method should be called when the InviteDialog is in D_INVITED
  * or D_ReINVITED state
  */
 public void refuse() {
   printLog("inside refuse()", LogLevel.MEDIUM);
   // refuse(480,"Temporarily Unavailable");
   // refuse(603,"Decline");
   refuse(403, SipResponses.reasonOf(403));
 }