author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 17:02:06 +0300 | |
branch | RCL_3 |
changeset 17 | a828660c511c |
parent 0 | c40eb8fe8501 |
child 18 | d3d7683d16f5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2009 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 the License "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: Active object to send and receive management packets (EAP packets). |
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* |
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*/ |
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/* |
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* %version: 11 % |
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*/ |
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// INCLUDE FILES |
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#include <e32std.h> |
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#include "wlanmgmtframehandler.h" |
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#include "am_debug.h" |
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// ================= MEMBER FUNCTIONS ======================= |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// |
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CWlanMgmtFrameHandler::CWlanMgmtFrameHandler( |
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RWlanLogicalChannel& aServiceProvider, |
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MWlanMgmtFrameCallback& aClient ) : |
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CActive( CActive::EPriorityHigh ), |
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iServiceProvider( aServiceProvider ), |
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iClient( aClient ), |
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iDataBlock( NULL ) |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::CWlanMgmtFrameHandler()" ); |
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} |
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// Static constructor. |
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CWlanMgmtFrameHandler* CWlanMgmtFrameHandler::NewL( |
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RWlanLogicalChannel& aServiceProvider, |
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MWlanMgmtFrameCallback& aClient) |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::NewL()" ); |
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CWlanMgmtFrameHandler* self = |
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new (ELeave) CWlanMgmtFrameHandler( aServiceProvider, aClient ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// Symbian 2nd phase constructor can leave. |
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void CWlanMgmtFrameHandler::ConstructL() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::ConstructL()" ); |
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CActiveScheduler::Add( this ); |
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} |
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// Destructor |
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CWlanMgmtFrameHandler::~CWlanMgmtFrameHandler() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::~CWlanMgmtFrameHandler()" ); |
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Cancel(); |
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TInt ret = KErrNone; |
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if( iServiceProvider.Handle() != KNullHandle ) |
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{ |
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ret = iServiceProvider.ReleaseBuffers(); |
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} |
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if( ret != KErrNone ) |
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{ |
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DEBUG1( "ReleaseBuffers failed, reason=%d", ret ); |
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} |
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iDataBlock = NULL; |
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} |
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::DoCancel |
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// Release synchronise call. Is called by CActive::Cancel() |
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// --------------------------------------------------------- |
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// |
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void CWlanMgmtFrameHandler::DoCancel() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::DoCancel()" ); |
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iServiceProvider.CancelRxRequests(); |
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} |
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::IssueRequest |
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// Request a synchronous call for management packets. |
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// --------------------------------------------------------- |
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// |
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void CWlanMgmtFrameHandler::IssueRequest() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::IssueRequest()" ); |
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iServiceProvider.RequestFrame( iStatus ); |
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SetActive(); |
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} |
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::Start |
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// --------------------------------------------------------- |
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// |
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TInt CWlanMgmtFrameHandler::Start() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::Start()" ); |
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TInt ret = iServiceProvider.InitialiseBuffers( iDataBlock ); |
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if( ret != KErrNone || iDataBlock == NULL ) |
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{ |
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return ret; |
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} |
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IssueRequest(); |
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return KErrNone; |
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} |
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121 |
|
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::Stop |
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// --------------------------------------------------------- |
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// |
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void CWlanMgmtFrameHandler::Stop() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::Stop()" ); |
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Cancel(); |
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TInt ret = iServiceProvider.ReleaseBuffers(); |
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if( ret != KErrNone ) |
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{ |
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DEBUG1( "ERROR: ReleaseBuffers failed with %d", ret ); |
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} |
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} |
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136 |
|
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::RunL |
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// Synchronise call has finished. Send data to client. |
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// --------------------------------------------------------- |
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// |
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void CWlanMgmtFrameHandler::RunL() |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::RunL()" ); |
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|
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// Send all received packets to the client. |
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if ( iDataBlock == NULL ) |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::RunL() iDataBlock=NULL" ); |
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} |
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else |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::RunL() iDataBlock is not NULL" ); |
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TDataBuffer* buffer = NULL; |
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TDataBuffer* frameToFree = NULL; |
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while( ( buffer = iServiceProvider.GetRxFrame( frameToFree ) ) != NULL ) |
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{ |
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DEBUG1( "EAPOL packet received, length=%d", |
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buffer->GetLength() ); |
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|
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iClient.OnFrameReceive( |
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buffer->FrameType(), |
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buffer->GetLength(), |
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buffer->GetBuffer(), |
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buffer->Rcpi() ); |
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|
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frameToFree = buffer; |
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} |
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} |
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// Wait for next packets. |
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IssueRequest(); |
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} |
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|
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// --------------------------------------------------------- |
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// CWlanMgmtFrameHandler::SendFrame |
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// Send a management data frame. |
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// --------------------------------------------------------- |
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// |
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TInt CWlanMgmtFrameHandler::SendFrame( |
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const TDataBuffer::TFrameType aFrameType, |
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const TUint aLength, |
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const TUint8* const aData, |
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TUint8 aUserPriority, |
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const TMacAddress& aDestination, |
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TBool aSendUnencrypted ) |
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{ |
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DEBUG( "CWlanMgmtFrameHandler::SendFrame()" ); |
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|
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// Check is iDataBlock ok. |
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__ASSERT_ALWAYS( |
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iDataBlock != NULL, |
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User::Panic( |
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_L( "CWlanMgmtFrameHandler::SendFrame() - iDataBlock = NULL" ), |
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KErrBadHandle)); |
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|
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// Make sure that TX buffer is empty. |
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iDataBlock->ClearTxDataBuffer(); |
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iDataBlock->AppendTxDataBuffer( |
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aData, |
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aLength, |
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aFrameType, |
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aUserPriority, |
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aSendUnencrypted, |
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&aDestination ); |
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|
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// Make the call synchronous. |
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TRequestStatus status; |
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DEBUG7( "CWlanMgmtFrameHandler::SendFrame() - sending packet to %02X:%02X:%02X:%02X:%02X:%02X with priority %u", |
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aDestination.iMacAddress[0], aDestination.iMacAddress[1], aDestination.iMacAddress[2], |
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aDestination.iMacAddress[3], aDestination.iMacAddress[4], aDestination.iMacAddress[5], |
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aUserPriority ); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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iServiceProvider.WriteFrame( status ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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213 |
User::WaitForRequest( status ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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214 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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215 |
DEBUG1( "CWlanMgmtFrameHandler::SendFrame() - packet sent with status = %d", |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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216 |
status.Int() ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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217 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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218 |
return status.Int(); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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219 |
} |