clientregistration.hxx

这是国外的resip协议栈

#if !defined(RESIP_CLIENTREGISTRATION_HXX)
#define RESIP_CLIENTREGISTRATION_HXX

#include "resip/dum/NonDialogUsage.hxx"
#include "resip/stack/NameAddr.hxx"
#include "resip/stack/SipMessage.hxx"
#include "resip/dum/NetworkAssociation.hxx"

namespace resip
{

class SipMessage;
class BaseCreator;

//!dcm! -- shutdown/deletion API -- end?
class ClientRegistration: public NonDialogUsage
{
   public:
      //ClientRegistration(DialogUsageManager& dum, DialogSet& dialog,
      //SipMessage& req);
      ClientRegistration(DialogUsageManager& dum, DialogSet& dialog, SharedPtr<SipMessage> req);
      ClientRegistrationHandle getHandle();

      /** Adds a registration binding, using the registration from the UserProfile */
      void addBinding(const NameAddr& contact);

      /** Adds a registration binding, using the specified registration time */
      void addBinding(const NameAddr& contact, UInt32 registrationTime);

      /** Removes one particular binding */
      void removeBinding(const NameAddr& contact);

      /** Removes all bindings associated with the AOR - even those that may have been
          by a another UA.  Note:  Set's contact header to '*'.  Set flag to true
          to end the usage when complete.  */
      void removeAll(bool stopRegisteringWhenDone=false);

      /** Removes all bindings added by addBinding.  Set flag to true to end the usage 
          when complete */
      void removeMyBindings(bool stopRegisteringWhenDone=false);


      /** Request a manual refresh of the registration.  If 0 then default to using original 
          expires value (to remove use removeXXX() instead) */
      void requestRefresh(UInt32 expires = 0);  
      
      /** kills the usgage, does not unregister, call removeMyBindings to unregister */
      void stopRegistering(); 
      
      /** returns a list of contacts added by addBinding */
      const NameAddrs& myContacts();

      /** returns a list of all contacts for this AOR - may include those added by other UA's */
      const NameAddrs& allContacts();

      /** returns the number of seconds until the registration expires - relative */
      UInt32 whenExpires() const; 
      
      /** Calls removeMyBindings and ends usage when complete */
      virtual void end();

      /**
       * Provide asynchronous method access by using command
       */
      void removeMyBindingsCommand(bool stopRegisteringWhenDone=false);
      virtual void endCommand();


      virtual void dispatch(const SipMessage& msg);
      virtual void dispatch(const DumTimeout& timer);
   
      virtual std::ostream& dump(std::ostream& strm) const;

   protected:
      virtual ~ClientRegistration();

   private:
      typedef enum
      {
         Querying,
         Adding,
         Refreshing,
         Registered,
         Removing,
         RetryAdding,    // Waiting to retry an add
         RetryRefreshing, // Waiting to retry a refresh
         None // for queued only
      } State;

      SharedPtr<SipMessage> tryModification(ClientRegistration::State state);
      void internalRequestRefresh(UInt32 expires = 0);  // 0 defaults to using original expires value (to remove use removeXXX() instead)

      friend class DialogSet;

      //SipMessage& mLastRequest;
      SharedPtr<SipMessage> mLastRequest;
      NameAddrs mMyContacts; // Contacts that this UA is requesting 
      NameAddrs mAllContacts; // All the contacts Registrar knows about 
      unsigned int mTimerSeq; // expected timer seq (all < are stale)

      State mState;
      bool mEndWhenDone;
      bool mUserRefresh;
      UInt32 mRegistrationTime;
      UInt64 mExpires;
      State mQueuedState;
      SharedPtr<SipMessage> mQueuedRequest;

      NetworkAssociation mNetworkAssociation;
      
      // disabled
      ClientRegistration(const ClientRegistration&);
      ClientRegistration& operator=(const ClientRegistration&);
};
 
}

#endif

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