author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 18 Aug 2010 09:40:26 +0300 | |
changeset 14 | 896e9dbc5f19 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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: Data transfer interfaces. |
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* |
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*/ |
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#ifndef M_IRDATATRANSFEROBSERVER_H |
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#define M_IRDATATRANSFEROBSERVER_H |
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#include <e32def.h> |
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class RHTTPSession; |
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class MIRDataTransferObserver; |
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|
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|
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/** |
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* Data transfer tracker interface. |
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* |
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* Provides means to attach itself to an existing network session to track the data amounts |
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* transferred through it, and also an API through which raw data amounts can be manually |
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* inputted (this is mainy the case when raw sockets are used directly). |
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* |
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* For getting notifications from the application's data transfer amounts on the core side, |
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* this class supports an observer interface through which data transfer events are notified. |
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*/ |
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NONSHARABLE_CLASS( MIRDataTransferTracker ) |
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{ |
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public: |
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|
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/** |
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* Supported data transfer categories. |
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*/ |
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enum TIRTransferCategory |
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{ |
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/** |
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* The category for the data is unknown. |
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*/ |
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EIRTransferCategoryUnknown, |
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/** |
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* The category for the data is SDS. |
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*/ |
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EIRTransferCategoryIsds, |
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/** |
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* The category for the data is content show. |
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*/ |
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EIRTransferCategoryAudio |
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}; |
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|
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/** |
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* Simple struct to keep hold of all the different data amounts transferred. |
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* |
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* The actual total amount of bytes of transferred data through the connection |
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* is the amount of total bytes sent added to the amount of total bytes received. |
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*/ |
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NONSHARABLE_STRUCT( TIRDataTransferPckg ) |
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{ |
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/** |
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* The total amount of bytes sent originating from all traffic. |
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* This is simply the sum of all the categorized data sent amounts. |
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*/ |
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TInt iBytesSentTotal; |
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/** |
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* The total amount of bytes received originating from all traffic. |
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* This is simply the sum of all the categorized data received amounts. |
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*/ |
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TInt iBytesReceivedTotal; |
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/** |
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* The total amount of bytes sent originating from unknown traffic. |
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*/ |
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TInt iBytesSentUnknown; |
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/** |
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* The total amount of bytes received originating from unknown traffic. |
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*/ |
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TInt iBytesReceivedUnknown; |
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/** |
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* The total amount of bytes sent originating from station directory traffic. |
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*/ |
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TInt iBytesSentIsds; |
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/** |
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* The total amount of bytes received originating from station directory traffic. |
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*/ |
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TInt iBytesReceivedIsds; |
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/** |
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* The total amount of bytes sent originating from content show traffic. |
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*/ |
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TInt iBytesSentAudio; |
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/** |
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* The total amount of bytes received originating from content show traffic. |
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*/ |
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TInt iBytesReceivedAudio; |
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}; |
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public: |
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/** |
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* Sets the observer that is notified of data transfer events. |
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* |
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* @param aObserver The observer to set, or NULL if none. |
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*/ |
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virtual void SetObserver( MIRDataTransferObserver* aObserver ) = 0; |
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/** |
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* Returns the current data transfer amounts. |
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* |
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* This always reflects the current situation, and thereby does not |
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* take the threshold mechanism into account. |
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* |
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* @return The current data transfer amounts. |
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*/ |
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virtual const TIRDataTransferPckg& TransferredData() const = 0; |
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/** |
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* Binds the tracker to an existing and opened HTTP session. |
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* |
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* @param aSession Session to bind the tracker to. |
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* @param aCategory Transfer category to record the data under. |
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*/ |
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virtual void BindL( RHTTPSession aSession, TIRTransferCategory aCategory ) = 0; |
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/** |
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* Notifies of raw bytes transferred through the connection. |
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* |
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* Raw sockets cannot be observer automatically, so if they are used, then manual |
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* notification is required on the user's part. |
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* |
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* @param aBytesSent Bytes sent through the raw socket. |
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* @param aBytesReceived Bytes received through the raw socket. |
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* @param aCategory Transfer category to record the data under. |
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*/ |
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virtual void RawDataTransferredL( TInt aBytesSent, |
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TInt aBytesReceived, TIRTransferCategory aCategory ) = 0; |
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}; |
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/** |
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* Interface which all data transfer events are passed through. |
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*/ |
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class MIRDataTransferObserver |
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{ |
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public: |
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/** |
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* Invoked when a data transfer event occurs. |
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* |
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* The amount of data supplied as the parameter is the absolute amount of data transferred during |
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* the life time of the connection. The threshold after which the call back is invoked is internal, |
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* resulting in that it may not always be instantly called unless a predefined amount of data has |
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* already been transferred since the last call back was made. |
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* |
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* @param aData Data amounts that have been transferred through the connection. |
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*/ |
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virtual void HandleDataTransferEventL( |
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const MIRDataTransferTracker::TIRDataTransferPckg& aData ) = 0; |
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}; |
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#endif // M_IRDATATRANSFEROBSERVER_H |