author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:03:15 +0200 | |
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/* |
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* Copyright (c) 2004-2009 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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#ifndef __CSIPEXSOCKETENGINE_H__ |
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#define __CSIPEXSOCKETENGINE_H__ |
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// INCLUDES |
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#include "SIPExTimeOutTimer.h" |
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#include "SIPExSocketEngineObserver.h" |
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#include "SIPEXReaderNotifier.h" |
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#include "SIPExWriterNotifier.h" |
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#include "SIPExTimeOutNotify.h" |
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#include <in_sock.h> // SInetAddr |
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// FORWARD DECLARATIONS |
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class MSIPExSocketEngineObserver; |
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class CSIPExSocketReader; |
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class CSIPExSocketWriter; |
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class CSIPExTimeOutTimer; |
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// CLASS DECLARATIONS |
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/** |
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* Implements socket connections. |
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*/ |
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class CSIPExSocketEngine |
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: public CActive, |
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public MSIPExTimeOutNotify, |
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public MSIPExReaderNotifier, |
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public MSIPExWriterNotifier |
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{ |
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public: |
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/** |
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* Static constructor |
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* @param aObserver A reference to the socket engine observer. |
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*/ |
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IMPORT_C static CSIPExSocketEngine* NewL( MSIPExSocketEngineObserver& aObserver ); |
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/** |
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* Static constructor. On return the instance is left to the CleanupStack |
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* @param aObserver A reference to the socket engine observer. |
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*/ |
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IMPORT_C static CSIPExSocketEngine* NewLC( MSIPExSocketEngineObserver& aObserver ); |
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/** |
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* Destructor |
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*/ |
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IMPORT_C ~CSIPExSocketEngine(); |
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public: // From base classes |
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/** |
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* Connecting the socket to the aIPAddress. |
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* @param aIapId An iap id used for connection |
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* @param aIPAddress An ip address where to connect. |
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*/ |
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IMPORT_C void ConnectL( const TUint32 aIapId, const TInetAddr& aIPAddress ); |
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/** |
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* Writes to the socket. |
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* @param aTxt A text to write to the socket. |
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*/ |
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IMPORT_C void Write( const TDesC8& aTxt ); |
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/** |
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* Reads from the socket. |
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*/ |
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IMPORT_C void Read(); |
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/** |
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* Closing the socket. |
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*/ |
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IMPORT_C void Stop(); |
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/** |
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* Starts listening local game port |
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* @param aIapId The IAP id of the active accesspoint. |
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* @return A local address |
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*/ |
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IMPORT_C TInetAddr& StartListeningL( const TUint32 aIapId ); |
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public: |
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/** |
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* Socket engine state enumerations. |
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*/ |
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enum TSocketEngineState |
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{ |
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ENotConnected, |
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EConnecting, |
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EConnected, |
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EListening, |
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ETimedOut |
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}; |
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|
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protected: // From base classes |
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|
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// From MSIPExTimeOutNotify |
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/** |
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* From MSIPExTimeOutNotify |
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* Destructor |
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*/ |
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void TimerExpired(); |
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|
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// From MSIPExReaderNotifier |
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|
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/** |
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* From MSIPExReaderNotifier |
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*/ |
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void MessageReceived( TDesC8& aBuffer ); |
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|
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/** |
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* From MSIPExReaderNotifier |
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*/ |
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void ErrorInReading( TInt aError ); |
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|
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// From MSIPExWriterNotifier |
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|
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/** |
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* From MSIPExWriterNotifier |
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*/ |
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void WriteDone(); |
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|
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/** |
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* From MSIPExWriterNotifier |
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*/ |
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void ErrorInWriting( TInt aError ); |
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|
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protected: // From base classes |
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|
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/** |
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* From CActive |
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* Cancels any outstanding request. |
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*/ |
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void DoCancel(); |
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|
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/** |
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* From CActive |
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* Handles the completion of the active request. |
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*/ |
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void RunL(); |
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|
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private: // New functions |
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|
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/** |
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* Changes the new state to iState and notifies observer. |
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* @param aNewState A new state of socket engine |
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*/ |
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void ChangeStateAndNotify( TSocketEngineState aNewState ); |
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|
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/** |
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* Activates PDP ctx of passed iap |
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* @param aIapId The IAP id of the activated accesspoint. |
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*/ |
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void StartInterfaceL( const TUint32 aIapId ); |
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|
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/** |
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* Gets the local IP address with host resolver. |
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* The address is set to the iAddress variable. |
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*/ |
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void ResolveLocalIPAddressL(); |
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|
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private: |
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|
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/** |
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* Destructor |
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*/ |
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CSIPExSocketEngine( MSIPExSocketEngineObserver& aObserver ); |
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|
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/** |
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* Destructor |
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*/ |
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void ConstructL(); |
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|
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private: |
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// Member variables |
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|
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// The reference to the socket engine observer |
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MSIPExSocketEngineObserver& iObserver; |
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|
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// Sockets |
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RSocketServ iSocketServer; |
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RConnection iConnection; |
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RSocket iDataSocket; |
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RSocket iListenSocket; |
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|
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|
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// |
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CSIPExSocketReader* iReader; |
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CSIPExSocketWriter* iWriter; |
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CSIPExTimeOutTimer* iTimer; |
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|
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// Socket engine's state |
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TSocketEngineState iState; |
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|
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// The remote address |
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TInetAddr iAddress; |
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}; |
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#endif // __CSIPEXSOCKETENGINE_H__ |
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// End of file |