datacommsserver/esockserver/inc/ss_connectionsession.h
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 /**
       
    17  @file
       
    18  @internalTechnology
       
    19 */
       
    20 
       
    21 #ifndef SYMBIAN_SS_CONNECTIONSESSION_H
       
    22 #define SYMBIAN_SS_CONNECTIONSESSION_H
       
    23 
       
    24 #include <comms-infras/ss_metaconnprov.h>
       
    25 #include <comms-infras/ss_connselect.h>
       
    26 #include <comms-infras/ss_common.h>
       
    27 #include <elements/sd_std.h>
       
    28 #include <comms-infras/es_availability.h>
       
    29 #include <es_prot.h>
       
    30 #include <comms-infras/es_connectionservparameterbundle.h>
       
    31 
       
    32 namespace ESock
       
    33 {
       
    34 
       
    35 const TUint KMaxNotificationQueueLength = 8; // seems to be a popular value round these parts
       
    36 
       
    37 
       
    38 const TUint ETierStatusActivity = 1;
       
    39 const TUint ETierNotificationActivity = 2;
       
    40 
       
    41 
       
    42 /**
       
    43 Server side representation of RConnectionServ.
       
    44 @class CConnectionSession
       
    45 @internalTechnology
       
    46 */
       
    47 NONSHARABLE_CLASS(CConnectionSession) : public Den::CWorkerSession, public MProvdSecurityChecker, public Messages::ASimpleNodeIdBase
       
    48 	{
       
    49 public:
       
    50 	static CConnectionSession* NewL(TProcessId aProcessId, TUidType aUid, Den::TSessionUniqueId aSessionUniqueId);
       
    51 	virtual ~CConnectionSession();
       
    52 
       
    53 protected:
       
    54 	CConnectionSession(TUidType aUid, Den::TSessionUniqueId aSessionUniqueId);
       
    55 
       
    56 protected:
       
    57 	void CompleteMessage(const RMessage2& aMessage, TInt aResult);
       
    58 
       
    59 protected:
       
    60 	void Error(TInt aError);
       
    61 
       
    62 	virtual void ReceivedL(const Messages::TRuntimeCtxId& aSender, const Messages::TNodeId& aRecipient, Messages::TSignatureBase& aMessage);
       
    63 
       
    64 	void ProviderUp(const Messages::TNodeId& aProvider);
       
    65 
       
    66 private:
       
    67     // Client message implementations
       
    68 	void StartAttachToTierManager(const RMessage2& aMessage);
       
    69 
       
    70 	void EnumerateConnectionsL();
       
    71 	void GetConnectionInfoL();
       
    72 
       
    73 	// Availability
       
    74 	void RegisterForAvailabilityL();
       
    75 	void CancelAvailability(TInt aReason = KErrCancel);
       
    76 	void ProcessAvailabilityL(Messages::TSignatureBase& aCFMessage);
       
    77 	void ProcessError(TUint16 aActId, Messages::TSignatureBase& aCFMessage);
       
    78 	void ProcessError(TUint16 aActId, TInt aErrCode);
       
    79 
       
    80 	// Availability helpers
       
    81 	void PopAvailabilityQueue();
       
    82 
       
    83 	const Messages::TNodeId& ServiceProvider() const
       
    84 	{
       
    85     	return iTierManager;
       
    86 	}
       
    87 
       
    88 	inline const Messages::TNodeId& ServiceProviderL() const
       
    89 		{
       
    90 		const Messages::TNodeId& sp = ServiceProvider();
       
    91 		if(sp.IsNull())
       
    92 			{
       
    93 			// must be attached to something!
       
    94 			//  log something here
       
    95 			User::Leave(KErrNotReady);
       
    96 			}
       
    97 		return sp;
       
    98 		}
       
    99 
       
   100 
       
   101 	void LeaveServiceProvider();
       
   102     void HandleTierStatus(const Messages::TSignatureBase& aCFMessage);
       
   103     void HandleTierNotification(const Messages::TSignatureBase& aCFMessage);
       
   104 	void AttachToTierManager(const Messages::TNodeId& aTierManager);
       
   105 
       
   106 	virtual void CommsApiExtBindIfaceL(const RMessage2& aMessage);
       
   107 	virtual void CommsApiExtIfaceSendReceiveL(const RMessage2& aMessage);
       
   108 	virtual void CloseExtensionInterface(const RMessage2& aMessage);
       
   109 	virtual void CancelAndCloseAllClientExtIfaces();
       
   110 
       
   111 	void PanicClient(TESockPanic aPanic);
       
   112 	static void PanicClient(const RMessage2& aMessage,TESockPanic aPanic);
       
   113 
       
   114 	virtual void ServiceL(const RMessage2& aMessage);
       
   115 
       
   116 public:
       
   117 	// Methods implementing MProvdSecurityChecker methods
       
   118 	virtual TInt CheckPolicy(const TSecurityPolicy& aPolicy, const char *aDiagnostic);
       
   119 
       
   120 private:
       
   121 	TUint iTierId;
       
   122 	Messages::TNodeId iTierManager; // associated tier manager (if any)
       
   123 
       
   124 	RMessage2 iAttachMessage;
       
   125 	RMessage2 iStatusMessage;
       
   126 	CRefCountOwnedParameterBundle* iStatusBundle;
       
   127 
       
   128 	TBool iNotificationActive;
       
   129 	RMessage2 iNotificationMessage;
       
   130 	RPointerArray<CRefCountOwnedParameterBundle> iNotificationQueue; // queue of availability events received
       
   131 	};
       
   132 
       
   133 } // namespace ESock
       
   134 
       
   135 #endif
       
   136 //SYMBIAN_SS_CONNECTIONSESSION_H
       
   137