examples/SFExamples/RecipeEx/inc/MobilityEngine.h

// Symbian Foundation Example Code
// 
// This software is in the public domain. No copyright is claimed, and you 
// may use it for any purpose without license from the Symbian Foundation.
// No warranty for any purpose is expressed or implied by the authors or
// the Symbian Foundation. 


#ifndef __MOBILITYENGINE_H__
#define __MOBILITYENGINE_H__

#include <e32base.h>    
#include <e32std.h>     
#include <CommDbConnPref.h>
#include <es_sock.h>
#include <cdbcols.h>
#include <commdb.h>
#include <cdbtemp.h>
#include <comms-infras/cs_mobility_apiext.h>

// Forward declarations
class CLogContainer;
class CIAPConnectWaitDialog;
class CIAPConnectProgressNotifier;
class CTextResolver;

class CMobilityEngine : public CActive, public MMobilityProtocolResp
        {
        
public: // Construction / Destruction
        
        static CMobilityEngine* NewL(CLogContainer* aLogView);

        static CMobilityEngine* NewLC(CLogContainer* aLogView);

        ~CMobilityEngine();
        
public:
        
        void ConnectL();
        
        void Disconnect();
        
        TBool IsIdle();
        
public:  // From MMobilityProtocolResp
    void PreferredCarrierAvailable(TAccessPointInfo aOldAPInfo,
                                   TAccessPointInfo aNewAPInfo,
                                   TBool aIsUpgrade,
                                   TBool aIsSeamless);
    
    void NewCarrierActive(TAccessPointInfo aNewAPInfo, TBool aIsSeamless);
    
    void Error(TInt aError);    

private: // More construction
        
        CMobilityEngine(CLogContainer* aLogView);

        void ConstructL();

private: // From CActive
        
        void RunL();

        void DoCancel();

        TInt RunError(TInt aError);

private:
        void HandleNewCarrierActiveL();
        void ConnectSocketL();
        void AsyncDisconnect();
        void LogAddressL(const TSockAddr& aAddr);
        TPtrC GetHost() const;
        TUint GetPort() const;

        enum TState
                {
                EIdle,
                EStartingConnection,
                EResolvingAddress,
                ESocketConnecting,
                ESocketConnected,
                EChangingCarrier,
                EAsyncDisconnect
                };
        TState iState;
        TBool iAddrResolved;
        TBool iAcceptOnConnect;

        CLogContainer* iLogView;

        TCommDbConnPref iPref;
        RConnection iConnection;
        RSocketServ iSocketServ;
        CTextResolver* iTextResolver;
        CActiveCommsMobilityApiExt* iMobility;  

        HBufC* iHostAndPort; // host [:port]
        TNameEntry iNameEntry;
        RHostResolver iResolver;
        RSocket iRoamingSocket;
        };

#endif // MOBILITYENGINE_H

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