#if !defined(RESIP_SERVERINVITESESSION_HXX)
#define RESIP_SERVERINVITESESSION_HXX

#include "resiprocate/dum/InviteSession.hxx"
#include "resiprocate/SipMessage.hxx"

#include <deque>

namespace resip
{

class ServerInviteSession: public InviteSession
{
   public:
      typedef Handle<ServerInviteSession> ServerInviteSessionHandle;
      ServerInviteSessionHandle getHandle();

      // send a 3xx
      void redirect(const NameAddrs& contacts, int code=302);

      // send a 1xx - provisional response
      void provisional(int code=180);
      
      /// Called to set the offer that will be used in the next messages that
      /// sends and offer. Does not send an offer
      virtual void provideOffer(const SdpContents& offer);

      /// Called to set the answer that will be used in the next messages that
      /// sends an offer. Does not send an answer
      virtual void provideAnswer(const SdpContents& answer);

      /// Makes the specific dialog end. Will send a BYE (not a CANCEL)
      virtual void end();

      /// Rejects an offer at the SIP level. So this can send a 488 to a
      /// reINVITE or UPDATE
      virtual void reject(int statusCode, WarningCategory *warning = 0);

      //accept a re-invite, etc.  Always 200?
      //this is only applicable to the UAS
      virtual void accept(int statusCode=200);
            
   private:
      friend class Dialog;

      virtual void dispatch(const SipMessage& msg);
      virtual void dispatch(const DumTimeout& timer);

      void dispatchStart(const SipMessage& msg);
      void dispatchOfferOrEarly(const SipMessage& msg);
      void dispatchAccepted(const SipMessage& msg);
      void dispatchWaitingToOffer(const SipMessage& msg);
      void dispatchAcceptedWaitingAnswer(const SipMessage& msg);
      void dispatchOfferReliable(const SipMessage& msg);
      void dispatchNoOfferReliable(const SipMessage& msg);
      void dispatchFirstSentOfferReliable(const SipMessage& msg);
      void dispatchFirstEarlyReliable(const SipMessage& msg);
      void dispatchEarlyReliable(const SipMessage& msg);
      void dispatchSentUpdate(const SipMessage& msg);
      void dispatchSentUpdateAccepted(const SipMessage& msg);
      void dispatchReceivedUpdate(const SipMessage& msg);
      void dispatchReceivedUpdateWaitingAnswer(const SipMessage& msg);
      void dispatchWaitingToTerminate(const SipMessage& msg);
      void dispatchWaitingToHangup(const SipMessage& msg);

      void dispatchCancel(const SipMessage& msg);
      void dispatchBye(const SipMessage& msg);
      void dispatchUnknown(const SipMessage& msg);

      // utilities
      void startRetransmit1xxTimer();
      void sendAccept(int code, SdpContents* sdp); // sends 2xxI
      void sendProvisional(int code);
      void sendUpdate(const SdpContents& sdp);

      ServerInviteSession(DialogUsageManager& dum, Dialog& dialog, const SipMessage& msg);

      // disabled
      ServerInviteSession(const ServerInviteSession&);
      ServerInviteSession& operator=(const ServerInviteSession&);

      // stores the original request
      const SipMessage mFirstRequest;
      SipMessage m1xx; // for 1xx retransmissions
      unsigned long mCurrentRetransmit1xx;
      
      //std::deque<SipMessage> mUnacknowledgedProvisionals; // all of them
      //SipMessage m200; // for retransmission
};

}

#endif

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the

 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact vocal@vovida.org.
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
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 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
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 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
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 *
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