librecon-1.10-dev 1:1.10.1-2ubuntu1 / usr / include / recon / RemoteParticipant.hxx

#if !defined(RemoteParticipant_hxx)
#define RemoteParticipant_hxx

#include <map>

#include "ConversationManager.hxx"
#include "Participant.hxx"
#include "RemoteParticipantDialogSet.hxx"

#include <rutil/SharedPtr.hxx>
#include <resip/dum/AppDialogSet.hxx>
#include <resip/dum/AppDialog.hxx>
#include <resip/dum/InviteSessionHandler.hxx>
#include <resip/dum/DialogSetHandler.hxx>
#include <resip/dum/SubscriptionHandler.hxx>

namespace resip
{
class DialogUsageManager;
class SipMessage;
}

namespace sdpcontainer
{
class Sdp; 
class SdpMediaLine;
}

namespace recon
{
class ConversationManager;

/**
  This class represent a remote participant.  A remote participant is a 
  participant with a network connection to a remote entity.  This
  implementation is for a SIP / RTP connections.

  Author: Scott Godin (sgodin AT SipSpectrum DOT com)
*/

class RemoteParticipant : public Participant, public resip::AppDialog
{
public:
   RemoteParticipant(ParticipantHandle partHandle,   // UAC
                     ConversationManager& conversationManager, 
                     resip::DialogUsageManager& dum,
                     RemoteParticipantDialogSet& remoteParticipantDialogSet);  

   RemoteParticipant(ConversationManager& conversationManager,            // UAS or forked leg
                     resip::DialogUsageManager& dum,
                     RemoteParticipantDialogSet& remoteParticipantDialogSet);

   virtual ~RemoteParticipant();

   virtual resip::InviteSessionHandle& getInviteSessionHandle() { return mInviteSessionHandle; }
   virtual unsigned int getLocalRTPPort();
   void buildSdpOffer(bool holdSdp, resip::SdpContents& offer);
   virtual bool isHolding() { return mLocalHold; }

   virtual void initiateRemoteCall(const resip::NameAddr& destination);
   virtual void initiateRemoteCall(const resip::NameAddr& destination, resip::SharedPtr<resip::UserProfile>& callingProfile, const std::multimap<resip::Data,resip::Data>& extraHeaders);
   virtual int getConnectionPortOnBridge();
   virtual int getMediaConnectionId();
   virtual void destroyParticipant();
   virtual void addToConversation(Conversation *conversation, unsigned int inputGain = 100, unsigned int outputGain = 100);
   virtual void removeFromConversation(Conversation *conversation);
   virtual void accept();
   virtual void alert(bool earlyFlag);
   virtual void reject(unsigned int rejectCode);
   virtual void redirect(resip::NameAddr& destination);
   virtual void redirectToParticipant(resip::InviteSessionHandle& destParticipantInviteSessionHandle);
   virtual void checkHoldCondition();

   virtual void setPendingOODReferInfo(resip::ServerOutOfDialogReqHandle ood, const resip::SipMessage& referMsg); // OOD-Refer (no Sub)
   virtual void setPendingOODReferInfo(resip::ServerSubscriptionHandle ss, const resip::SipMessage& referMsg); // OOD-Refer (with Sub)
   virtual void acceptPendingOODRefer();
   virtual void rejectPendingOODRefer(unsigned int statusCode);
   virtual void redirectPendingOODRefer(resip::NameAddr& destination);
   virtual void processReferNotify(const resip::SipMessage& notify);

   // Called by RemoteParticipantDialogSet when Related Conversations should be destroyed
   virtual void destroyConversations();
   virtual void adjustRTPStreams(bool sendingOffer=false);

   // DTMF Handler
   virtual void onDtmfEvent(int dtmf, int duration, bool up);

   // Invite Session Handler /////////////////////////////////////////////////////
   virtual void onNewSession(resip::ClientInviteSessionHandle h, resip::InviteSession::OfferAnswerType oat, const resip::SipMessage& msg);
   virtual void onNewSession(resip::ServerInviteSessionHandle h, resip::InviteSession::OfferAnswerType oat, const resip::SipMessage& msg);
   virtual void onFailure(resip::ClientInviteSessionHandle h, const resip::SipMessage& msg);
   virtual void onEarlyMedia(resip::ClientInviteSessionHandle, const resip::SipMessage&, const resip::SdpContents&);
   virtual void onProvisional(resip::ClientInviteSessionHandle, const resip::SipMessage& msg);
   virtual void onConnected(resip::ClientInviteSessionHandle h, const resip::SipMessage& msg);
   virtual void onConnected(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onConnectedConfirmed(resip::InviteSessionHandle, const resip::SipMessage &msg);
   virtual void onStaleCallTimeout(resip::ClientInviteSessionHandle);
   virtual void onTerminated(resip::InviteSessionHandle h, resip::InviteSessionHandler::TerminatedReason reason, const resip::SipMessage* msg);
   virtual void onRedirected(resip::ClientInviteSessionHandle, const resip::SipMessage& msg);
   virtual void onAnswer(resip::InviteSessionHandle, const resip::SipMessage& msg, const resip::SdpContents&);
   virtual void onOffer(resip::InviteSessionHandle handle, const resip::SipMessage& msg, const resip::SdpContents& offer);
   virtual void onOfferRequired(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onOfferRejected(resip::InviteSessionHandle, const resip::SipMessage* msg);
   virtual void onOfferRequestRejected(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onRemoteSdpChanged(resip::InviteSessionHandle, const resip::SipMessage& msg, const resip::SdpContents& sdp);
   virtual void onInfo(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onInfoSuccess(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onInfoFailure(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onRefer(resip::InviteSessionHandle, resip::ServerSubscriptionHandle, const resip::SipMessage& msg);
   virtual void onReferAccepted(resip::InviteSessionHandle, resip::ClientSubscriptionHandle, const resip::SipMessage& msg);
   virtual void onReferRejected(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void doReferNoSub(const resip::SipMessage& msg);
   virtual void onReferNoSub(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onMessage(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onMessageSuccess(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onMessageFailure(resip::InviteSessionHandle, const resip::SipMessage& msg);
   virtual void onForkDestroyed(resip::ClientInviteSessionHandle);

   // ClientSubscriptionHandler ///////////////////////////////////////////////////
   virtual void onUpdatePending(resip::ClientSubscriptionHandle h, const resip::SipMessage& notify, bool outOfOrder);
   virtual void onUpdateActive(resip::ClientSubscriptionHandle h, const resip::SipMessage& notify, bool outOfOrder);
   virtual void onUpdateExtension(resip::ClientSubscriptionHandle, const resip::SipMessage& notify, bool outOfOrder);
   virtual void onTerminated(resip::ClientSubscriptionHandle h, const resip::SipMessage* notify);
   virtual void onNewSubscription(resip::ClientSubscriptionHandle h, const resip::SipMessage& notify);
   virtual int onRequestRetry(resip::ClientSubscriptionHandle h, int retryMinimum, const resip::SipMessage& notify);

private:       
   void hold();
   void unhold();
   void provideOffer(bool postOfferAccept);
   bool provideAnswer(const resip::SdpContents& offer, bool postAnswerAccept, bool postAnswerAlert);
   bool answerMediaLine(resip::SdpContents::Session::Medium& mediaSessionCaps, const sdpcontainer::SdpMediaLine& sdpMediaLine, resip::SdpContents& answer, bool potential);
   bool buildSdpAnswer(const resip::SdpContents& offer, resip::SdpContents& answer);
   bool formMidDialogSdpOfferOrAnswer(const resip::SdpContents& localSdp, const resip::SdpContents& remoteSdp, resip::SdpContents& newSdp, bool offer);
   void setProposedSdp(const resip::SdpContents& sdp);
   void setLocalSdp(const resip::SdpContents& sdp);
   void setRemoteSdp(const resip::SdpContents& sdp, bool answer=false);
   void setRemoteSdp(const resip::SdpContents& sdp, sdpcontainer::Sdp* remoteSdp);
   virtual void replaceWithParticipant(RemoteParticipant* replacingParticipant);

   resip::DialogUsageManager &mDum;
   resip::InviteSessionHandle mInviteSessionHandle; 
   RemoteParticipantDialogSet& mDialogSet;   
   resip::DialogId mDialogId;

   typedef enum
   {
      Connecting=1, 
      Accepted,
      Connected,
      Redirecting,
      Holding,
      Unholding,
      Replacing,
      PendingOODRefer,
      Terminating
   } State;
   State mState;
   bool mOfferRequired;
   bool mLocalHold;
   bool mRemoteHold;
   void stateTransition(State state);

   resip::AppDialogHandle mReferringAppDialog; 

   resip::SipMessage mPendingOODReferMsg;
   resip::ServerOutOfDialogReqHandle mPendingOODReferNoSubHandle;
   resip::ServerSubscriptionHandle mPendingOODReferSubHandle;

   typedef enum
   {
      None = 0,
      Hold,
      Unhold,
      Redirect,
      RedirectTo
   } PendingRequestType;
   class PendingRequest
   {
   public:
      PendingRequest() : mType(None) {}
      PendingRequestType mType;
      resip::NameAddr mDestination;
      resip::InviteSessionHandle mDestInviteSessionHandle;
   };
   PendingRequest mPendingRequest;
   std::auto_ptr<resip::SdpContents> mPendingOffer;

   sdpcontainer::Sdp* mLocalSdp;
   sdpcontainer::Sdp* mRemoteSdp;

   ConversationMap mRelatedConversations;
};

}

#endif


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