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// Copyright (c) 1997-2009 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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//
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/**
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@file
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@internalTechnology
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@released
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*/
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#if !defined(__ES_SAP_H__)
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#define __ES_SAP_H__
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#define SYMBIAN_NETWORKING_UPS
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#include <es_prot.h>
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#include <es_sock.h>
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#include <comms-infras/ss_subconnflow.h>
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#include <comms-infras/ss_flowbinders.h>
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#include <comms-infras/ss_nodemessages_dataclient.h>
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namespace ESock
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{
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class CNetworkFlow : public CSubConnectionFlowBase, protected MSessionData, protected MSessionControl,
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protected MFlowBinderControl
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/** Service Access Point for SAPs that have a seperate control side.
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Provides transport services to a single protocol. Several of the calls to
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CServProviderBase have pre-conditions attached to them - for example
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a connection oriented protocol must have its local address set (either by
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a SetLocalName() or AutoBind()) before it is opened. If the socket server
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calls the CServProviderBase in such an erroneous way, the protocol should panic.
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It also provides an interface towards subconnection providers to allow
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SAPs to work with a seperate control path.
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@internalTechnology
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@released Since 9.0 */
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{
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friend class ProtocolManager;
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public:
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IMPORT_C virtual ~CNetworkFlow();
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protected:
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void SetLocalName(TSockAddr& anAddr);
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TInt SetRemName(TSockAddr& anAddr);
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TUint Write(const TDesC8& aDesc,TUint aOptions, TSockAddr* anAddr);
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TInt Write(RMBufChain& aData, TUint aOptions, TSockAddr* anAddr);
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void BindToL(const TCFDataClient::TBindTo& aBindTo);
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NetInterfaces::TInterfaceControl* FetchInterfaceControlL(TSupportedCommsApiExt aInterfaceId);
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protected:
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virtual MFlowBinderControl* DoGetBinderControlL();
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//MFlowBinderControl
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virtual MSessionControl* GetControlL(TInt aSessionType,MSessionControlNotify& aSessionControlNotify);
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virtual void Unbind();
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virtual MSessionData* BindL(MSessionDataNotify& aNotify);
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virtual CSubConnectionFlowBase* Flow(); //returns its own flow
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TBool IsBoundToSession() const
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{
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return iSessionControlNotify || iSessionDataNotify;
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}
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void ProcessDCIdleState();
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protected:
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IMPORT_C CNetworkFlow(CSubConnectionFlowFactoryBase& aFactory, const Messages::TNodeId& aSubConn, CProtocolIntfBase* aProtocolIntf);
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void UpdateDestinationAddress(const TSockAddr& aDest);
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#define SAP_FLAG_FUNCTIONS(name, flag) \
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inline TBool name() { return iStateFlags & flag; } \
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inline void Set##name() { iStateFlags |= flag; } \
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inline void Clear##name() { iStateFlags &= ~flag; }
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#ifdef SYMBIAN_NETWORKING_UPS
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virtual TBool ActivityRunning() = 0;
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#endif
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protected:
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TSockAddr iLocalAddress;
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TSockAddr iRemoteAddress;
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//upper flow
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MSessionControlNotify* iSessionControlNotify;
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MSessionDataNotify* iSessionDataNotify;
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//lower flow
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MFlowBinderControl* iLowerFlow;
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MLowerControl* iLowerControl; //just to keep the lower flow up
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enum TStateFlag
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{
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ELocalAddressSet = 0x00000001,
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ERemoteAddressSet = 0x00000002,
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ENoBearerRunning = 0x00000004,
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EStarted = 0x00000008,
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EIdle = 0x00000080,
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EIdleSent = 0x00000100
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};
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SAP_FLAG_FUNCTIONS(LocalAddressSet, ELocalAddressSet)
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SAP_FLAG_FUNCTIONS(RemoteAddressSet, ERemoteAddressSet)
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SAP_FLAG_FUNCTIONS(NoBearerGuard, ENoBearerRunning)
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SAP_FLAG_FUNCTIONS(Started, EStarted)
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SAP_FLAG_FUNCTIONS(Idle, EIdle)
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SAP_FLAG_FUNCTIONS(IdleSent, EIdleSent)
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TUint iStateFlags;
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};
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} //namespace ESock
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#endif // __ES_SAP_H__
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