author | Simon Howkins <simonh@symbian.org> |
Thu, 18 Nov 2010 15:05:52 +0000 | |
branch | RCL_3 |
changeset 76 | 40780c2f3a6b |
parent 0 | 5a93021fdf25 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006-2008 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: A package class for CConnMonWlanNetwork objects. |
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* |
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*/ |
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|
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#include <e32std.h> |
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#include <rconnmon.h> |
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|
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#include "log.h" |
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// ======== MEMBER FUNCTIONS ======== |
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|
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CConnMonWlanNetworksPtrArrayPckg::CConnMonWlanNetworksPtrArrayPckg( |
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const RPointerArray<CConnMonWlanNetwork>& aRef, |
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TUint aBufSize ) |
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{ |
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LOGENTRFN("CConnMonWlanNetworksPtrArrayPckg::CConnMonWlanNetworksPtrArrayPckg()") |
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|
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const TUint KItemLengthFieldSize = 1; |
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|
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// First 2 elements in buffer will contain the total number of objects and the number of transfered objects |
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TUint currentPosition( 2 ); |
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TInt totalItemCount = aRef.Count(); |
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LOGIT2("CConnMonWlanNetworksPtrArrayPckg: buffer size %d, item count %d", aBufSize, totalItemCount) |
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|
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// Create a temporary pointer array table for buffer objects |
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RPointerArray<HBufC> items; |
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|
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for ( TUint i = 0; i < totalItemCount; ++i ) |
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{ |
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const HBufC* item( aRef[i]->ToBuf() ); |
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if ( item ) |
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{ |
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// Check if there is room in buffer for the next item |
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if ( ( currentPosition + KItemLengthFieldSize + item->Length() ) > aBufSize ) |
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{ |
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LOGIT4("Buffer full, current position %d, item length %d, buffer size %d, i %d", |
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currentPosition, item->Length(), aBufSize, i) |
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delete item; |
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item = NULL; |
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break; |
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} |
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currentPosition += KItemLengthFieldSize + item->Length(); |
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items.Append( item ); |
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} |
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} |
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|
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// Check that given buffer length (aBufSize) is not smaller than one |
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// item (CConnMonWlanNetwork) + aRef count + items count + item length |
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if ( items.Count() == 0 && totalItemCount > 0 ) |
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{ |
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aBufSize = 2; // aRef.Count(), items.Count() |
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} |
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|
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// Allocate memory for buffer |
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iBuf = HBufC::New( aBufSize ); |
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if ( !iBuf ) |
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{ |
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LOGIT("CConnMonWlanNetworksPtrArrayPckg: out of memory error") |
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} |
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else |
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{ |
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// Add total and transferred counts to buffer |
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iBuf->Des().Append( totalItemCount ); // Total amount of objects |
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iBuf->Des().Append( items.Count() ); // Amount of objects in buffer |
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|
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// Add item length and item data to buffer |
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for ( TUint i = 0; i < items.Count(); ++i ) |
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{ |
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iBuf->Des().Append( items[i]->Length() ); |
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iBuf->Des().Append( *items[i] ); |
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} |
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LOGIT1("Used buffer %d", iBuf->Length()) |
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} |
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items.ResetAndDestroy(); |
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|
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LOGEXITFN("CConnMonWlanNetworksPtrArrayPckg::CConnMonWlanNetworksPtrArrayPckg()") |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C CConnMonWlanNetworksPtrArrayPckg::CConnMonWlanNetworksPtrArrayPckg( |
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TUint aBufSize ) |
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{ |
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iBuf = HBufC::New( aBufSize ); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C CConnMonWlanNetworksPtrArrayPckg::~CConnMonWlanNetworksPtrArrayPckg() |
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{ |
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delete iBuf; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Unpacking |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C void CConnMonWlanNetworksPtrArrayPckg::UnpackToL( |
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RPointerArray<CConnMonWlanNetwork>& aRef ) const |
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{ |
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LOGENTRFN("CConnMonWlanNetworksPtrArrayPckg::UnpackToL()") |
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|
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if ( !iBuf || iBuf->Length() < 2 ) |
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{ |
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User::Leave( KErrBadDescriptor ); |
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} |
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|
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TUint index( 0 ); |
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TUint total( (*iBuf)[index++] ); // Total amount of objects |
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TUint count( (*iBuf)[index++] ); // Amount of objects in buffer |
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LOGIT2("UnpackToL: total %d, in buffer %d", total, count) |
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|
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for ( TUint i = 0; i < count; ++i ) |
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{ |
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TUint len( (*iBuf)[index++] ); |
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TPtrC ptr( iBuf->Mid( index, len ) ); |
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index += len; |
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|
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CConnMonWlanNetwork* wlanNet = CConnMonWlanNetwork::NewL(); |
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CleanupStack::PushL( wlanNet ); |
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TInt err = CConnMonWlanNetwork::FromPtrC( ptr, wlanNet ); |
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if ( err != KErrNone ) |
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{ |
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LOGIT2("UnpackToL: error <%d> reading data, stopping. i %d", err, i) |
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CleanupStack::Pop( wlanNet ); |
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break; |
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} |
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|
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User::LeaveIfError( aRef.Append( wlanNet ) ); |
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CleanupStack::Pop( wlanNet ); |
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} |
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|
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LOGEXITFN("CConnMonWlanNetworksPtrArrayPckg::UnpackToL()") |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Getter |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C HBufC* CConnMonWlanNetworksPtrArrayPckg::Buf() const |
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{ |
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return iBuf; |
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} |
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|
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// End-of-file |