telephonyprotocols/rawipnif/version1/src/BcaController.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:41:59 +0200
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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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// Implements the interface to Bca & flow control.
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// 
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//
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/**
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 @file
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*/
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#include <e32uid.h>
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#include <nifmbuf.h>
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#include <es_ini.h>
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#include "BcaController.h"
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_LIT(KRawIpIniFile, "rawip.ini");
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_LIT(KLinkLit, "link");
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_LIT(KHighmarkLit, "highmark");
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//In order not to flow off SPUD everytime we set the default to 1
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const TUint KDefaultBufferSize=1;
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CBcaController::CBcaController(MControllerObserver& aObserver,
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	CBttLogger* aTheLogger)
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/**
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 * Constructor. 
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 */
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	: iObserver(aObserver),  
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	  iTheLogger(aTheLogger),
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	  iTxFlowControl(EFlowControlOff), 
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	  iTxContextActive(ETrue), 
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	  iSendState(EIdle),
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	  iMaxSendQueueLen(0),
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	  iNumPacketsInSendQueue(0)
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	{
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	iSendQueue.Init();
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	}
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CBcaController::~CBcaController()
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/**
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 * Destructor.
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 */
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	{
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	iSendQueue.Free();
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	iNumPacketsInSendQueue = 0;
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#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
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	delete iIPTagHeader;
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#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
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	}
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void CBcaController::BaseConstructL()
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	{
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	_LOG_L1C1(_L8("CBcaController::BaseConstructL"));
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#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
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	iIPTagHeader = new (ELeave) CIPTagHeader(iTheLogger);
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#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
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	CESockIniData* iniData = NULL;
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	TRAPD(res, iniData = CESockIniData::NewL(KRawIpIniFile));
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	CleanupStack::PushL(iniData);
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	if(res!=KErrNone)
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		{
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		_LOG_L1C2(_L8("RawIp ini file %S not found. Default values will be used."), &KRawIpIniFile);
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		CleanupStack::PopAndDestroy();
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		return;
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		}
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	//here process the file
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	if(!iniData->FindVar(KLinkLit(), KHighmarkLit(), iMaxSendQueueLen))
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		{
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		iMaxSendQueueLen = KDefaultBufferSize;
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		}
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	CleanupStack::PopAndDestroy();
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	}
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void CBcaController::UpdateInternalFlowFlag(TFlowControl aValue)
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/**
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 *  Updates Internal Flow flag and resumes the data flow if
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 *  necessary.
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 *
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 * @param aValue the new state of iInternalFlow
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 */
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	{
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	_LOG_L1C3(_L8("CBcaController::UpdateInternalFlowFlag[NewValue=%d, iSendState=%d]"),
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		aValue, iSendState);
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	if(iTxFlowControl == aValue)
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		{
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		// C32 Sent the same indication signal twice. Nif will ignore it.
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		_LOG_L2C1(_L8("WARNING CBcaController: Received same indication twice"));
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		return;
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		}
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	// Update the flag value.
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	iTxFlowControl = aValue;
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	if(iTxFlowControl == EFlowControlOff)
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		{
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		// If the indication received turned flow control off...
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		if (IsTxPossible() && (iSendState == EIdle))
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   115
			{
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   116
			// ... if the NIF is in the EWaiting state
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   117
			// then the data flow can be resumed. 
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   118
			ResumeSending();
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   119
			}
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   120
		}		
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   121
	else
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   122
		{
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   123
		// if the Flow Control is on we can remove all queued write requests
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   124
		EmptySendQueue();
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   125
		}
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   126
	}
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   127
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   128
void CBcaController::UpdateContextStateFlag(TBool aValue)
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   129
/**
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   130
 *  Updates Context State flag and resumes the data flow if
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   131
 *  necessary.
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   132
 *
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   133
 * @param aValue the new state of iTxContextState
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   134
 */
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   135
	{
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   136
	_LOG_L1C3(_L8("CBcaController::UpdateContextStateFlag[NewValue=%d, OldValue=%d]"),
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   137
		aValue, iTxContextActive);
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   138
	
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   139
	if(iTxContextActive == aValue)
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   140
		{
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   141
		return;
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   142
		}
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   143
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   144
	// Update the flag value.
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   145
	iTxContextActive = aValue;
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   146
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   147
	if(iTxContextActive)
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   148
		{
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   149
		// If the PDP context is active and...
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   150
		if (IsTxPossible() && (iSendState == EIdle))
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parents:
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   151
			{
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			// ... if the NIF is in the EWaiting state
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   153
			// then the data flow can be resumed. 
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   154
			ResumeSending();
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   155
			}
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   156
		}
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   157
	else
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   158
		{
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   159
		// if the PDP context is suspended we can remove all queued write requests
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   160
		EmptySendQueue();
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   161
		}
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   162
	}
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   163
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   164
TInt CBcaController::Send(RMBufChain& aPdu)
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   165
/**
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   166
 *  This method is called by CRawIPNifMain in order to send a packet down
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   167
 * to the BCA. 
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   168
 *
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   169
 *	@param aPdu a data packet
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   170
 */
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   171
	{
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   172
	_LOG_L1C1(_L8(">>CBcaController::Send"));
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   173
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   174
	// Check if NIF is shutting down
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   175
	if (iSendState == EShuttingDown)
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   176
		{
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   177
		_LOG_L2C1(_L8("    ERROR: Nif is shutting down"));
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parents:
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   178
		
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   179
		aPdu.Free();
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   180
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   181
		return KErrDisconnected;
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   182
		}
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parents:
diff changeset
   183
	
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   184
	// check that this packet isnt too big - If it is, we dont want to send it or
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   185
	// add it to our queue
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   186
	if ((aPdu.Length() - aPdu.First()->Length()) > BcaSendBufferLength())
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parents:
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   187
		{
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   188
		_LOG_L2C1(_L8("Packet is too large - discarding"));
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   189
		_LOG_L1C1(_L8("<<CSender::Send -> Error"));
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   190
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   191
		aPdu.Free();
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   192
		return KErrArgument;
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   193
		}
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parents:
diff changeset
   194
	
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   195
	if (iSendState == ESending)
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   196
		// If this happens, it means that TCP/IP has sent us an IP packet
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parents:
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   197
		// while we're still sending the previous one. 
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   198
		{
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   199
		// check that the queue isnt full NB. this check should not be needed as when the 
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   200
		// queue becomes full the IP layer shouldnt send any more packets until it is told to
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parents:
diff changeset
   201
		if (!IsSendQueueFull())
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parents:
diff changeset
   202
			{
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parents:
diff changeset
   203
			_LOG_L1C1(_L8("    Sender busy, appending packet to queue"));
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parents:
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   204
			//We know that flow control is off and context isnt suspended so can add to queue
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parents:
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   205
			AppendToSendQueue(aPdu);
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parents:
diff changeset
   206
			
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   207
			return IsSendQueueFull() ? KStopSending : KContinueSending;
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   208
			}
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parents:
diff changeset
   209
			
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   210
		_LOG_L1C1(_L8("    Queue is full, upper layer is still sending packets, potential memory problems."));
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parents:
diff changeset
   211
		AppendToSendQueue(aPdu);
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   212
		return KStopSending;
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   213
		}
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parents:
diff changeset
   214
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parents:
diff changeset
   215
	// If we have got here then a write isnt currently happening
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parents:
diff changeset
   216
	// We dont need to check flow control is off and context isnt suspended as the BCA always
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parents:
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   217
	// has room for one packet, so send the packet
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parents:
diff changeset
   218
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parents:
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   219
	if(!IsSendQueueEmpty())
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parents:
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   220
		{
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parents:
diff changeset
   221
		//make sure that we don't change the order of packets!
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parents:
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   222
		//first send what has already been lined up
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parents:
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   223
		RMBufChain tmpPdu;
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parents:
diff changeset
   224
		_LOG_L1C1(_L8("    Packet removed from queue to send"));
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parents:
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   225
		RemoveFromSendQueue(tmpPdu);
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parents:
diff changeset
   226
		AppendToSendQueue(aPdu);
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parents:
diff changeset
   227
		
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parents:
diff changeset
   228
		// Update module state
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diff changeset
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		_LOG_L2C1(_L8("     set State to ESending"));
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		iSendState = ESending;
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   231
		
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		BcaSend(tmpPdu);
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		}
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	else
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		{
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		// Update module state
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		_LOG_L2C1(_L8("     set State to ESending"));
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		iSendState = ESending;
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		BcaSend(aPdu);
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		}
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   242
		
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	_LOG_L2C1(_L8("<<CBcaController::Send - return StopSending/ContinueSending"));
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	return IsSendQueueFull() ? KStopSending : KContinueSending;
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	}
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void CBcaController::SendComplete()	
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/**
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 *  This method is called after a packet was sent to the board. 
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 *  If allowed by flow contol flags the NIF can signal the TCP/IP
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 *  protocol indicating that is available to send more packets.
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 */
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	{
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	_LOG_L1C1(_L8("CBcaController::SendComplete"));
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	_LOG_L2C1(_L8("     set State to EIdle"));
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   256
	
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	iSendState = EIdle;
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   258
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	if (IsTxPossible())
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		ResumeSending();
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	}
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   262
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TBool CBcaController::IsTxPossible()
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/**
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 *  This method returns ETrue if both TX flags are set to ETrue
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 *
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 * @return The Flow control state
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 */
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	{
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	_LOG_L1C3(_L8("CBcaController::IsTxPossible (contextActive %d, flowcontrol %d)"), 
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		iTxContextActive, iTxFlowControl);
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   272
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	if(iTxContextActive && (iTxFlowControl == EFlowControlOff))
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		return ETrue;
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	else
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		return EFalse;
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	}
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   278
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void CBcaController::Process(TDesC8& aPdu)
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/**
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 *  This method will pass on the received data to CBttNifMain. 
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 *
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 * @param aPdu a data packet
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 */
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	{
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	_LOG_L1C1(_L8(">>CBcaController::Process"));
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   287
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	TInt ret;
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   289
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	// Create a packet object.
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	RMBufPacket packet;
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	TRAP(ret, packet.CreateL(aPdu));
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	if (ret != KErrNone)
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		{
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		// Couldn't create package. Packet will be ignored...
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   296
		_LOG_L1C2(_L8("<<CBcaController::Process couldn't create MBuf [ret=%d]"), ret);
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		return;
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		}
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   299
	else
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   300
		// Package created...
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   301
		{
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   302
#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
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		TUint16 protocolCode = iIPTagHeader->RemoveHeader(packet);
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   304
#else
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		TUint16 protocolCode = 0;
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   306
#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
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   307
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		packet.Pack();
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   309
		// Process the packet
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		GetObserver().Process(packet, protocolCode);
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   311
		}
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   312
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   313
	_LOG_L1C1(_L8("<<CBcaController::Process"));
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   314
	}
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   315
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   316
void CBcaController::ResumeSending()
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   317
/**
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   318
 *  Used to indicate to the TCP/IP protocol layer that the NIF is ready to 
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   319
 *	process more packets.
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   320
 */
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   321
	{
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   322
	_LOG_L1C1(_L8("CBcaIoController::ResumeSending"));
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   323
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   324
	// If there are still some packets in the queue to be sent, then carry
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   325
	// on sending them.
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   326
	// NB. we only want to send more packets from the queue if we are currently EIdle
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   327
	if (iSendState == EIdle) 
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   328
		{
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   329
		if(!IsSendQueueEmpty())
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   330
			{
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   331
			RMBufChain tmpPdu;
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   332
			_LOG_L1C1(_L8("    Packet removed from queue to send"));
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parents:
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   333
			RemoveFromSendQueue(tmpPdu);
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parents:
diff changeset
   334
			
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   335
			// Update module state
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   336
			_LOG_L2C1(_L8("     set State to ESending"));
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   337
			iSendState = ESending;
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parents:
diff changeset
   338
			
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   339
			BcaSend(tmpPdu);
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   340
			}
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   341
		if(IsSendQueueEmpty())
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   342
			{
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   343
			iObserver.ResumeSending();
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   344
			}
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parents:
diff changeset
   345
		}
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parents:
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   346
	// if iSendState = ESending - do nothing
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parents:
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   347
	}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
	
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   349
#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
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   350
void CBcaController::SetType(TUint16 aType)
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parents:
diff changeset
   351
{
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parents:
diff changeset
   352
/**
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parents:
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   353
 *  Used to specify the type of the IP header.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
 */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
	_LOG_L1C1(_L8("CBcaController::SetType"));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
	
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
	iIPTagHeader->SetType(aType);	
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parents:
diff changeset
   358
}
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parents:
diff changeset
   359
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
void CBcaController::AddHeader(TDes8& aDes)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
/**
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
 *  Used to add the IP header to the packet before sending to the BCA.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
 */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	_LOG_L1C1(_L8("CBcaController::AddHeader"));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	iIPTagHeader->AddHeader(aDes);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
	}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
TUint16 CBcaController::RemoveHeader(RMBufChain& aPdu)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
/**
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
 *  Used to remove the IP header from the received the packet before sending to the 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
 *  TCP/IP layer.  
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   374
 * @return The IP header that has been removed from the packet
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
 */
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	_LOG_L1C1(_L8("CBcaController::RemoveHeader"));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
	return (iIPTagHeader->RemoveHeader(aPdu));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
	}	
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
TBool CBcaController::IsSendQueueEmpty()
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
/**
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
 *  Indicator of whether the BufferQueue is empty
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
 * @return TBool.  ETrue if bufferQueue is emtpy, EFalse if queue is not empty
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
 */
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	return iSendQueue.IsEmpty();
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
	
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
TBool CBcaController::IsSendQueueFull()
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
/**
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
 *  Indicator of whether the BufferQueue is full
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
 * @return TBool.  ETrue if bufferQueue is full, EFalse if queue is not full
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
 */
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	return iNumPacketsInSendQueue >= iMaxSendQueueLen;
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	}	
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
void CBcaController::AppendToSendQueue(RMBufChain& aPdu)
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
/**
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
 * Appends the packet aPdu to the queue. 
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
 * Increments the packet count. Doesn't do error checking.
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
 * @param aChain buffer chain to be added
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
 */
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
	iSendQueue.Append(aPdu);
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	iNumPacketsInSendQueue++;
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
	}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
TBool CBcaController::RemoveFromSendQueue(RMBufChain& aPdu)
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
/**
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
 * Removes the packet aPdu from the queue. 
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
 * Decrements the packet count.
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
 * @param aChain buffer chain to be added
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
 * @return False if chain is empty
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
 */
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	TBool ret = iSendQueue.Remove(aPdu);
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	if(ret)
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
		{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
		iNumPacketsInSendQueue--;
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
		}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	return ret;
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	}
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
void CBcaController::EmptySendQueue()
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
/**
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
 * Removes all the packets from the send queue. Initializes the
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
 * send queue and sets the packet count to 0.
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
 */
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	{
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
	iSendQueue.Free();
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
	iSendQueue.Init();
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
	iNumPacketsInSendQueue = 0;
3553901f7fa8 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	}