author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 15 Sep 2010 00:18:51 +0300 | |
branch | RCL_3 |
changeset 63 | 425d8f4f7fa5 |
permissions | -rw-r--r-- |
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// Copyright (c) 2010 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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@internalComponent |
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*/ |
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#ifndef __TUN_H__ |
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#define __TUN_H__ |
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#include <posthook.h> |
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#include <nifif.h> |
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#include "tunfamily.h" |
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#include "tun.pan" |
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const TUint KProtocolTUN = 145; // number that is unassigned by IANA |
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const TUint KTunTos = 192; // 0xC0; uses the UNUSED 7,8 MSB of Differentiated Services |
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class CProtocolTun; |
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class CTunFlowInfo; |
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class CNifIfBase; |
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class CSapTun : public CServProviderBase |
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/** |
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* Class Derived from CServProviderBase. |
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* Inherit virtual functions from CServProviderBase.This Class is socket support for this |
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* Hook (protocol).Protocol or Hook could be manipulated by the Socket using socket options. |
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* This class will be used to take downlink information from the private client.The SAP will |
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* called for all the Socket opened by the socket. SAP is 1 to 1 with Socket. |
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* we are maintaining a singleton pattern for this SAP |
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**/ |
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{ |
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public: |
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friend class CProtocolTun; |
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protected: |
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CSapTun(); |
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~CSapTun(); |
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public: |
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//static CSapTun* GetInstanceL(); |
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void Ioctl(TUint /*level*/,TUint /* name*/,TDes8* /* anOption*/); |
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void Start(); |
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void Shutdown(TCloseType option); |
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void LocalName(TSockAddr& anAddr) const; |
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TInt SetLocalName(TSockAddr& anAddr); |
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void RemName(TSockAddr& anAddr) const; |
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TInt SetRemName(TSockAddr& anAddr); |
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TInt GetOption(TUint /*level*/,TUint /*name*/,TDes8& /*anOption*/)const; |
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void CancelIoctl(TUint /*aLevel*/,TUint /*aName*/); |
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TInt SetOption(TUint aLevel,TUint aName,const TDesC8& anOption); |
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void ActiveOpen(); |
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void ActiveOpen(const TDesC8& /*aConnectionData*/); |
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TInt PassiveOpen(TUint /*aQueSize*/); |
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TInt PassiveOpen(TUint /*aQueSize*/,const TDesC8& /*aConnectionData*/); |
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void Shutdown(TCloseType /*option*/,const TDesC8& /*aDisconnectionData*/); |
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void AutoBind(); |
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TInt SecurityCheck(MProvdSecurityChecker* aChecker); |
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private: |
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//static CSapTun* iInstance; |
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CProtocolTun* iProtocol; |
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CTunFlowInfo* iFlowInfo; |
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}; //End Class CProtocolSap |
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//CSapTun* CSapTun::iInstance = NULL; |
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class CProtocolTun : public CProtocolPosthook |
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{ |
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friend class CSapTun; |
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public: // Constructors and destructor |
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/** |
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* Constructor. |
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*/ |
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CProtocolTun (); |
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/* |
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* Two Phase Construction |
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*/ |
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static CProtocolTun* NewL(); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CProtocolTun (); |
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public: // Functions from base classes |
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/** |
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* From CProtocolBase |
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* Used as second phase of Two Phase construction |
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* @param aTag Name |
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* @return void |
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*/ |
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void ConstructL (); |
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/** |
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* From CProtocolBase |
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* @since |
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* @param aDesc Descriptor to be filled by this method. |
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* @return void |
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*/ |
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virtual void Identify (TServerProtocolDesc * aDesc) const; |
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/** |
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* Static method that can be invoked from the Protocol Family |
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* @since |
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* @param aDesc Descriptor to be filled by this method. |
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* @return void |
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*/ |
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static void Identify (TServerProtocolDesc & aDesc); |
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/** |
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* From CProtocolPostHook Handles attach to the stack |
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* @since |
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* @return void |
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*/ |
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void NetworkAttachedL(); |
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/** |
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* From CProtocolPostHook Handles detach from the stack |
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* @since |
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* @return void |
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*/ |
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void NetworkDetached(); |
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/** |
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* From MIp6Hook Handles received packets. |
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* @since |
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* @param aPacket Packet received. |
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* @param aInfo Info structure. |
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* @return void |
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*/ |
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virtual TInt ApplyL (RMBufHookPacket & /* aPacket */ ,RMBufRecvInfo & /* aInfo */ ); |
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/** |
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* From MIp6Hook Handles outbound opening. |
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* @since |
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* @param aHead Flow-specific precomputed data. |
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* @param aFlow Flow. |
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* @return void |
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*/ |
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virtual MFlowHook *OpenL (TPacketHead & aHead, CFlowContext * aFlow); |
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/** |
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* NewSAPL function to create a CSapTun instance |
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* and use for setting up the LocalAddress Information |
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* @param aProtocol ignored in our case. |
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* @return instance of the CServProviderBase instance CSapFullTunnel |
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*/ |
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CServProviderBase* NewSAPL(TUint aProtocol); |
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|
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/** |
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* Cancels the Sap creation |
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* @param the Sap instance that has to be removed |
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*/ |
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// void CancelSap(CSapTun *aSap); |
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|
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/** |
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* Sets the NifBase instances to be used for Control functionality |
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* @param the NifBase instance that will be retained. |
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*/ |
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void SetCNifBase(CNifIfBase* aNifBase) |
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{ |
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iNifBase = aNifBase; |
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} |
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|
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void SetAppPortNum(TUint aPort) |
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{ |
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iAppPortNum = aPort; |
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iPortSet = ETrue; |
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} |
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|
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TBool IsPortSet() |
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{ |
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return iPortSet; |
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} |
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|
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|
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private: |
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TUint iAppPortNum; // Tunnel port configured. |
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TBool iPortSet; //Bool to check whether the port is set/not. |
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RPointerArray<CSapTun> iSapList; // List of SAP instances created. |
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CNifIfBase* iNifBase; // CNifBase* instance |
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CTunFlowInfo* iFlowinfo; // instance of the Flow Hook |
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CSapTun* iSapInstance; // instance of sap |
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|
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}; |
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/** |
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* TUN Driver flow hook |
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* Outbound Flow hook and performs actions on the packets |
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* destined for the Virtual Tunnel Nif. |
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*/ |
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class CTunFlowInfo : public CBase, public MFlowHook |
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{ |
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friend class CProtocolTun; |
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friend class CSapTun; |
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public: // Constructors & destructors |
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/** |
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* Constructor. |
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*/ |
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CTunFlowInfo(); |
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/** |
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* Copy Constructor. |
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*/ |
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CTunFlowInfo(CTunFlowInfo* aInstance ) |
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:iAppPortNum(aInstance -> iAppPortNum) |
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{} |
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/** |
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* Destructor. |
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*/ |
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~CTunFlowInfo(); |
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public: // Functions from base classes |
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/** |
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* From MFlowHook Open and Close implements reference counting system. |
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* @since |
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* @param |
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* @return void |
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*/ |
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void Open (); |
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/** |
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* From MFlowHook Informs stack if the hook is ready. Can update address |
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* information. |
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* @since |
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* @param aHead Address information of the flow. |
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* @return TInt 0 => ready, >0 => pending, <0 => error. |
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*/ |
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TInt ReadyL (TPacketHead & aHead); |
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/** |
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* Called by IP when processing outbound packet. |
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* @since |
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* @param aPacket Complete packet |
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* @param aInfo Information block associated with the packet |
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* @return TInt 0 => processed, <0 => discarded, >0 => restart processing |
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*/ |
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TInt ApplyL (RMBufSendPacket & aPacket, RMBufSendInfo & aInfo); |
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/** |
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* From MFlowHook Open and Close implements reference counting system. |
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* @since |
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* @param |
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* @return void |
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*/ |
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void Close (); |
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void SetAppPortNum(TUint aPort) |
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{ |
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iAppPortNum = aPort; |
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} |
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private: // Data |
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TInt iRef; // Reference count |
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TUint iAppPortNum; // Tunnel port configured. |
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}; |
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#endif //__TUN_H__ |