datacommsserver/esockserver/test/providers/dummy/inc/dummypr_network_flow.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:22:25 +0200
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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// Dummy network flow
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// 
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//
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/**
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 @file
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 @internalComponent
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*/
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#if !defined(__DUMMYPR_NETWORK_FLOW_H__)
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#define __DUMMYPR_NETWORK_FLOW_H__
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#include "dummypr_factory.h"
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#include <comms-infras/ss_protflow.h>
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#include <comms-infras/ss_subconnflow.h>
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#include <comms-infras/es_sap.h>
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#include <comms-infras/nifif.h>
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#include <comms-infras/ss_nodemessages_dataclient.h>
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#include <comms-infras/ss_nodemessages_flow.h>
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namespace ESock
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{
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_LIT(KDummyProtocolName, "dummy");
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_LIT(KDumberProtocolName, "dumber");
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class CDummyNetworkFlow : public CSubConnectionFlowBase,
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	public MSessionData,
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	public MSessionControl,
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	public MFlowBinderControl,
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	public MSessionControlNotify,
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	public MSessionDataNotify
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/**
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@internalComponent
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@released since v9.6
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 */
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	{
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    friend class CSocket;
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public:
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    typedef CDummyNetworkFlowFactory FactoryType; //for factoryobject_cast to work
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	static CDummyNetworkFlow* NewL(CSubConnectionFlowFactoryBase& aFactory, const Messages::TNodeId& aSubConn, CProtocolIntfBase* aProtocolIntf);
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	void SetSSP(CServProviderBase& aSSP);
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	inline CServProviderBase* Provider();
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protected:
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	// Lifetime
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	CDummyNetworkFlow(CSubConnectionFlowFactoryBase& aFactory, const Messages::TNodeId& aSubConn, CProtocolIntfBase* aProtocolIntf);
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	virtual ~CDummyNetworkFlow();
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	void SetSockType(TUint aSockType);
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	TInt LockToConnectionInfo();
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	// MSessionData
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	virtual TUint Write(const TDesC8& aDesc,TUint aOptions, TSockAddr* anAddr);
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	virtual TInt Write(RMBufChain& aData, TUint aOptions, TSockAddr* anAddr);
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	virtual void GetData(TDes8& aDesc, TUint aOptions, TSockAddr* anAddr);
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	virtual TInt GetData(RMBufChain& aData, TUint aLength, TUint aOptions, TSockAddr* anAddr);
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	// MSessionControl
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	virtual void Start();
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	virtual void LocalName(TSockAddr& anAddr) const;
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	virtual void SetLocalName(TSockAddr& anAddr);
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	virtual void RemName(TSockAddr& anAddr) const;
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	virtual TInt SetRemName(TSockAddr& anAddr);
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	virtual TInt GetOption(TUint aLevel,TUint aName,TDes8& anOption) const;
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	virtual void Ioctl(TUint aLevel,TUint aName,TDes8* anOption);
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	virtual void CancelIoctl(TUint aLevel,TUint aName);
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	virtual TInt SetOption(TUint aLevel, TUint aName,const TDesC8 &anOption);
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	virtual void ActiveOpen();
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	virtual void ActiveOpen(const TDesC8& aConnectionData);
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	virtual TInt PassiveOpen(TUint aQueueSize);
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	virtual TInt PassiveOpen(TUint aQueueSize,const TDesC8& aConnectionData);
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	virtual void Shutdown(MSessionControl::TCloseType aOption);
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	virtual void Shutdown(MSessionControl::TCloseType aOption, const TDesC8& aDisconnectionData);
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	virtual void AutoBind();
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	virtual TInt SecurityCheck(MProvdSecurityChecker* aSecurityChecker);
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    // MFlowBinderControl
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    //session binders for CSocket
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    virtual MSessionControl* GetControlL(TInt aSessionType,MSessionControlNotify& aSessionControlNotify);
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    virtual MSessionData* BindL(MSessionDataNotify& aNotify);
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    virtual void Unbind();
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    virtual CSubConnectionFlowBase& CloneFlowL();
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	virtual CSubConnectionFlowBase* Flow();
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private:
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	// MSessionControlNotify
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    void ConnectComplete();
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	void ConnectComplete(const TDesC8& aConnectData);
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    void ConnectComplete(CSubConnectionFlowBase& anSSP);
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	void ConnectComplete(CSubConnectionFlowBase& anSSP,const TDesC8& aConnectData);
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	void CanClose(MSessionControlNotify::TDelete aDelete=MSessionControlNotify::EDelete);
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    void CanClose(const TDesC8& aDisconnectData,MSessionControlNotify::TDelete aDelete=MSessionControlNotify::EDelete);
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	TInt Error(TInt anError,TUint anOperationMask);
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	void Disconnect( );
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	void Disconnect(TDesC8& aDisconnectData);
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	void IoctlComplete(TDesC8* aBuf);
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	void DisconnectFromListener(CSubConnectionFlowBase& aSSP);
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	void SetLocalNameComplete();
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	// MSessionDataNotify
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	void NewData(TUint aCount);
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	void CanSend();
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protected:
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	// CSubConnectionFlowBase
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	virtual MFlowBinderControl* DoGetBinderControlL();
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	// Messages::ANode
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	virtual void ReceivedL(
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		const Messages::TRuntimeCtxId& aSender,
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		const Messages::TNodeId& aRecipient,
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		Messages::TSignatureBase& aMessage
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		);
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    // Local methods
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    void SubConnectionError(
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		const Messages::TEBase::TError& errorMsg,
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		TUint anOperationMask = (MSocketNotify::EErrorSend | MSocketNotify::EErrorConnect));
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	void BindToL(TCFDataClient::TBindTo& aBindTo);
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	void Rejoin(const TCFFlow::TRejoin& aRejoinMessage);
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	void StartFlow();
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	void StopFlow(TCFDataClient::TStop& aMessage);
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	void ProcessDCIdleState();
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	void CompleteStart(TInt aError);
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	void Destroy();
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	void PostNoBearer();
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	// Inline methods
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	TBool NoBearerGuard() const { return iNoBearerRunning; }
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	void SetNoBearerGuard() { iNoBearerRunning = ETrue; }
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	void ClearNoBearerGuard() { iNoBearerRunning = EFalse; }
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	void ClearUseBearerErrors() { iUseBearerErrors = EFalse; }
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	TBool IsStopped() { return iIsStopped; }
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	TBool IsHostResolver() const { return EFalse; }
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	void SetIfInfo(const TSoIfConnectionInfo& aInfo) { iIfInfo = aInfo; }
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    TBool IsBoundToSession() const {return  iSessionControlNotify || iSessionDataNotify; }
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	TBool ActivityRunning()	{return NoBearerGuard();}
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private:
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	// Flow binders
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	MFlowBinderControl* iLowerFlow;
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	MLowerControl* iLowerControl; //just to keep the lower flow up
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	// Lower session binding
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	MSessionControl* iFlowShim;
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	MSessionData* iFlowShimData;
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	// Upper session binding
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	MSessionControlNotify* iSessionControlNotify;
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	MSessionDataNotify* iSessionDataNotify;
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	Messages::RRequestOriginator iStartRequest;
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	// Local properties
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	TSoIfConnectionInfo iIfInfo;
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	TUint iUseBearerErrors:1;		// error the socket on Error() upcalls from bearer rather than StopFlow() calls from SCPR
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	TUint iIsStopped:1;				// DataClientStop has been received.
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	TUint iIsStarting:1;
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	TBool iNoBearerRunning:1;		// NoBearer message has been issued to SCPR
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	TUint iStartActivityId:16;		// If iIsStarting is set, iStartActivityId contains activity id that opened the TCFDataClient::TStarted channel
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	TBool iIsStarted:1;
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	enum TDCIdleState
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		{
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		EClientsPresent = 0, // presumption is we're always created for a client (ie HR or socket)
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		EIdle = 1,
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		EIdleSent = 2
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		};
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	TDCIdleState iDCIdle:2;
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	};
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}
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#endif	// __DUMMYPR_NETWORK_FLOW_H__
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