author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 15:36:38 +0300 | |
changeset 49 | f50f4094acd7 |
permissions | -rw-r--r-- |
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// |
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// * Copyright 2004 Neusoft America Inc. |
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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 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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// * Contributors: |
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// * Keith Collins (Neusoft America Inc.) original software development and additional code and modifications. |
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// * Thomas Gahagen (Neusoft America Inc.) additional code and modifications. |
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// * Zhen Yuan (Neusoft America Inc.) additional code and modifications. |
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// * |
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// * Description: This file contains the implementation for the CPortC32Interface class. |
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// * This class contains methods which are invoked by C32 when the |
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// * associated client RComm public API is invoked. These methods |
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// * are used to create, configure, read, write, and close logical |
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// * serial ports. Instances of this class are created by the CSY's |
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// * Port Factory. |
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// |
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// PortC32Interface.cpp |
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/** @file PortC32Interface.cpp |
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* |
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*/ |
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#include <cdbcols.h> |
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#include "PortC32Interface.h" |
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#include "Portfactory.h" |
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#include "Mux0710Protocol.h" |
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#include "CsyMsgBufBPFrame.h" |
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#include "ChannelMgrCmdData.h" |
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#include "CommFrameReaderAo.h" |
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#include "CsyDebugLogger.h" |
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#include "CsyGlobals.h" |
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#include "CommFrameWriterAo.h" |
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|
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CPortC32Interface* CPortC32Interface::NewL(CPortFactory& aPortFactory, |
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CPortFactory::TC32PortInfo& aPortInfo) |
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/** |
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* This method uses two phase construction and the cleanup stack to create |
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* an instance of class CPortC32Interface. |
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* |
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* @param aPortFactory - Reference to the port factory |
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* @param aPortInfo - Reference to the port information |
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* @return Pointer to the created instance |
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*/ |
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{ |
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_LOG_L4C1( "CPortC32Interface::NewL"); |
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CPortC32Interface* self = new(ELeave) CPortC32Interface(aPortFactory, aPortInfo); |
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TCleanupItem closeSelf(CPortFactory::CloseObject, self); |
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CleanupStack::PushL(closeSelf); |
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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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CPortC32Interface::~CPortC32Interface() |
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/** |
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* Destructor. |
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*/ |
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{ |
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_LOG_L4C1( ">>CPortC32Interface::~CPortC32Interface"); |
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// let port factory know we are deleted |
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iPortFactory.RemoveC32Port(this); |
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CompleteOutstandingRequest(); |
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iMuxChannel->Close(this); |
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if (iReadBuf) |
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{ |
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_LOG_L3C1("Delete read buffer"); |
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delete iReadBuf; |
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} |
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_LOG_L4C1( "<<CPortC32Interface::~CPortC32Interface"); |
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} |
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CPortC32Interface::CPortC32Interface(CPortFactory& aPortFactory, |
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CPortFactory::TC32PortInfo& aPortInfo) |
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/** |
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* Constructor. |
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* |
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* @param aPortFactory - Reference to the port factory |
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* @param aPortInfo - Reference to the port information |
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*/ |
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: CPortC32InterfaceBase(aPortFactory, aPortInfo) |
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{} |
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void CPortC32Interface::ConstructL(void) |
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/** |
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* Safe constructor |
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*/ |
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{ |
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_LOG_L4C1( "CPortC32Interface::ConstructL"); |
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CPortC32InterfaceBase::ConstructL(); |
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} |
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/********************************************************************************/ |
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/* Start of utility methods for CPortC32InterfaceBase */ |
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/********************************************************************************/ |
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106 |
|
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TInt CPortC32Interface::QueryReceiveBuffer(TInt& aLength) const |
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108 |
/** |
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* Called by C32 when the client queries the size of the receive buffer, |
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* which returns the number of receive characters available to be read by |
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* the C32 client RComm instance. |
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* |
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* @param aLength - Reference to client's buffer length variable |
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* @return KErrNone |
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*/ |
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116 |
{ |
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_LOG_L4C2( "CPortC32Interface::QueryReceiveBuffer [port=%d]", GetPortNumber()); |
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118 |
|
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aLength = 0; |
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if (iReadBuf) |
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121 |
{ |
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aLength = iReadBuf->iMsg.Length(); |
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_LOG_L4C2("iReadBuf aLength=%d", aLength); |
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} |
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else if (!iFramesWaitingToBeReadList.IsEmpty()) |
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126 |
{ |
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CCsyMsgBufBpFrame* frame = iFramesWaitingToBeReadList.First(); |
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if ((frame)&&(frame->iMsg.Length() >= (KAdvOptionHeaderSize + KChecksumSize))) |
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129 |
{ |
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#ifdef _27010ADVANCEOPTION |
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aLength = frame->iMsg.Length() - (KAdvOptionHeaderSize + KChecksumSize); |
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#else |
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aLength = frame->iMsg.Length() - (KBasicOptionHeaderSize + KChecksumSize); |
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#endif |
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_LOG_L4C2("iFramesWaitingToBeReadList aLength=%d", aLength); |
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136 |
} |
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137 |
} |
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138 |
|
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return KErrNone; |
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} |
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141 |
|
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void CPortC32Interface::ResetBuffers(TUint aFlags) |
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/** |
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* Called by C32 when the client requests to reset the buffers, |
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* by removing all receive and/or transmit messages according to |
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* the specified flags. |
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* |
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* @param aFlags Indicate which buffers (receive and/or transmit) should be reset |
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*/ |
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150 |
{ |
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_LOG_L4C2(">>CPortC32Interface::ResetBuffers [aFlags=%d]", aFlags); |
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_LOG_L4C2("[port=%d]", GetPortNumber()); |
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153 |
|
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if (aFlags & KCommResetRx) |
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155 |
{ |
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_LOG_L4C1("Removing all messages intended for the C32 client"); |
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157 |
|
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RemoveWaitingAllFrames(); |
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} |
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160 |
|
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if (aFlags & KCommResetTx) |
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162 |
{ |
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_LOG_L4C1("Removing all messages intended for the modem"); |
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164 |
|
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GetMuxChannel()->WriteCancel(); |
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166 |
} |
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167 |
|
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_LOG_L4C1("<<CPortC32Interface::ResetBuffers"); |
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} |
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170 |
|
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void CPortC32Interface::SendFrameToClient(CCsyMsgBufBpFrame* aFrame) |
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/** |
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* This method is called by a CSY Channel object when it has a single |
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* frame to send to a C32 client RComm object. |
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* |
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* @param aFrame - Pointer to message to send to client |
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*/ |
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178 |
{ |
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_LOG_L4C2( "CPortC32Interface::SendFrameToClient [port=%d]", GetPortNumber()); |
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180 |
|
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if (aFrame) |
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182 |
{ |
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// check if queue is empty |
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TBool trigger = iFramesWaitingToBeReadList.IsEmpty(); |
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185 |
|
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iFramesWaitingToBeReadList.AddLast(*aFrame); |
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if (trigger) |
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188 |
{ |
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_LOG_L4C1("No packets already waiting"); |
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if (iIsReadInProgress) |
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191 |
{ |
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_LOG_L4C1("A read is outstanding"); |
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ReadFromBufOrQueue(); |
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} |
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195 |
} |
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196 |
|
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// inform client new data is available |
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SetDataAvailable(); |
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199 |
} |
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200 |
else |
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201 |
{ |
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//MAF __ASSERT_DEBUG(EFalse, PANIC(KPanicIllegalState)); |
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203 |
} |
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204 |
} |
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205 |
|
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TBool CPortC32Interface::ReadFromBufOrQueue() |
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/** |
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208 |
* This method is called to read from buffer or the frame list |
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|
209 |
* It will read as much as possible. |
f50f4094acd7
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|
210 |
* |
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|
211 |
* @return ETrue if complete the read request |
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Revision: 201027
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|
212 |
*/ |
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|
213 |
{ |
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Revision: 201027
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|
214 |
_LOG_L4C2( ">>CPortC32Interface::ReadFromBufOrQueue [port=%d]",GetPortNumber()); |
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|
215 |
|
f50f4094acd7
Revision: 201027
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|
216 |
TBool completedTheReadRequest = EFalse; |
f50f4094acd7
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|
217 |
|
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|
218 |
TInt err = KErrGeneral; |
f50f4094acd7
Revision: 201027
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diff
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|
219 |
TBool cont; |
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Revision: 201027
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|
220 |
do |
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Revision: 201027
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diff
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|
221 |
{ |
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Revision: 201027
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diff
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|
222 |
cont = EFalse; |
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Revision: 201027
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|
223 |
if(iReadBuf==NULL) |
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Revision: 201027
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diff
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|
224 |
{ |
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|
225 |
//Read data from the frame list |
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Revision: 201027
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|
226 |
if (!iFramesWaitingToBeReadList.IsEmpty()) |
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|
227 |
{ |
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228 |
_LOG_L4C1("Set to first item"); |
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Revision: 201027
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|
229 |
iReadBuf = iFramesWaitingToBeReadList.First(); |
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230 |
if (iReadBuf) |
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|
231 |
{ |
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|
232 |
_LOG_L4C1("iReadBuf not null"); |
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Revision: 201027
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|
233 |
// remove msg buf from client list |
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|
234 |
iFramesWaitingToBeReadList.Remove(*iReadBuf); |
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|
235 |
|
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Revision: 201027
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|
236 |
// subtract checksum field |
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Revision: 201027
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|
237 |
TInt frameLength = iReadBuf->iMsg.Length(); |
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Revision: 201027
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|
238 |
_LOG_L4C2("New read buffer frameLength=%d",frameLength); |
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Revision: 201027
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|
239 |
|
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Revision: 201027
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|
240 |
if (frameLength >= KBasicOptionHeaderSize) |
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|
241 |
{ |
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Revision: 201027
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|
242 |
iReadBuf->iMsg.SetLength(frameLength - KChecksumSize); |
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Revision: 201027
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|
243 |
|
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Revision: 201027
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|
244 |
// remove leading header ints from frame |
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Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
245 |
#ifdef _27010ADVANCEOPTION |
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Revision: 201027
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|
246 |
iReadBuf->iMsg.Delete(0, KAdvOptionHeaderSize); |
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Revision: 201027
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|
247 |
#else |
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Revision: 201027
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|
248 |
iReadBuf->iMsg.Delete(0, KBasicOptionHeaderSize); |
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Revision: 201027
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|
249 |
#endif |
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|
250 |
} |
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Revision: 201027
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|
251 |
else |
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Revision: 201027
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|
252 |
{ |
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Revision: 201027
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|
253 |
_LOG_L4C1("Incorrect frame size - freeing read buffer"); |
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Revision: 201027
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|
254 |
iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf); |
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Revision: 201027
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|
255 |
iReadBuf = NULL; |
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Revision: 201027
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|
256 |
} |
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Revision: 201027
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|
257 |
} |
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Revision: 201027
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|
258 |
} |
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Revision: 201027
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|
259 |
} |
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Revision: 201027
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|
260 |
if (iReadBuf) |
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Revision: 201027
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|
261 |
{ |
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Revision: 201027
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|
262 |
TInt length = -1; |
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Revision: 201027
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|
263 |
if (iClientLength - iPos < iReadBuf->iMsg.Length()) |
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Revision: 201027
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|
264 |
{ |
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Revision: 201027
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|
265 |
length = iClientLength - iPos; |
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Revision: 201027
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|
266 |
_LOG_L4C2("length = %d",length); |
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Revision: 201027
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|
267 |
} |
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Revision: 201027
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parents:
diff
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|
268 |
|
f50f4094acd7
Revision: 201027
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|
269 |
if (iConfig.iTerminatorCount > 0) |
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Revision: 201027
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|
270 |
{ |
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Revision: 201027
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|
271 |
_LOG_L4C2("iTerminatorCount = %d",iConfig.iTerminatorCount); |
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|
272 |
|
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Revision: 201027
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parents:
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|
273 |
// First find terminator |
f50f4094acd7
Revision: 201027
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|
274 |
TInt terminatorLoc = -1; |
f50f4094acd7
Revision: 201027
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|
275 |
TInt loc; |
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Revision: 201027
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|
276 |
for (TInt i=0; i< iConfig.iTerminatorCount;i++) |
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Revision: 201027
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|
277 |
{ |
f50f4094acd7
Revision: 201027
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|
278 |
loc = iReadBuf->iMsg.LocateF(iConfig.iTerminator[i]); |
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Revision: 201027
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|
279 |
if (loc > KErrNotFound) |
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Revision: 201027
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|
280 |
{ |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
281 |
if (terminatorLoc == KErrNotFound) |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
282 |
{ |
f50f4094acd7
Revision: 201027
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parents:
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|
283 |
terminatorLoc = loc; |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
284 |
} |
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Revision: 201027
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parents:
diff
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|
285 |
else |
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Revision: 201027
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parents:
diff
changeset
|
286 |
{ |
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Revision: 201027
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diff
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|
287 |
terminatorLoc = Min(loc,terminatorLoc); |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
288 |
} |
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Revision: 201027
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parents:
diff
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|
289 |
} |
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Revision: 201027
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parents:
diff
changeset
|
290 |
} |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
291 |
if (terminatorLoc>KErrNotFound) |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
{ |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
293 |
if (length > KErrNotFound) |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
294 |
length = Min(terminatorLoc + 1,length); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
else |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
296 |
length = terminatorLoc + 1; |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
} |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
_LOG_L4C2("length = %d",length); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
} |
f50f4094acd7
Revision: 201027
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parents:
diff
changeset
|
300 |
|
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
_LOG_L4C2("Read buf length %d",iReadBuf->iMsg.Length()); |
f50f4094acd7
Revision: 201027
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parents:
diff
changeset
|
302 |
|
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
303 |
if ((iReadBuf->iMsg.Length() >= length) && (length > -1)) |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
{ |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
_LOG_L2C2("complete partial read: # %d ", length); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
|
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
307 |
iPartialReadBuf.Copy(&iReadBuf->iMsg[0], length); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
308 |
iReadBuf->iMsg.Delete(0, length); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
|
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
err = IPCWrite(iClientBuffer, iPartialReadBuf, iPos); |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
if (err) |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
{ |
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_LOG_L1C2("** IPCWrite Error %d **",err); |
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|
314 |
} |
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|
315 |
|
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316 |
CompleteReadRequest(err); |
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|
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err = KErrGeneral; |
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|
318 |
|
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completedTheReadRequest = ETrue; |
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iPos = 0; |
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|
321 |
|
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if (iReadBuf->iMsg.Length()==0) |
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|
323 |
{ |
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Revision: 201027
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_LOG_L4C1("All data used - freeing read buffer"); |
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325 |
iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf); |
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iReadBuf = NULL; |
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|
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} |
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|
328 |
} |
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329 |
else |
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|
330 |
{ |
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Revision: 201027
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err = IPCWrite(iClientBuffer, iReadBuf->iMsg, iPos); |
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if (err) |
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|
333 |
{ |
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Revision: 201027
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_LOG_L1C2("** IPCWrite Error %d **",err); |
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parents:
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|
335 |
} |
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|
336 |
|
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_LOG_L4C3( "Read: iPos = %d, add %d bytes", iPos, iReadBuf->iMsg.Length()); |
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|
338 |
|
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339 |
//try read next frame in the list |
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cont = ETrue; |
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iPos += iReadBuf->iMsg.Length(); |
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|
342 |
|
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Revision: 201027
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|
343 |
_LOG_L4C1("Freeing read buffer"); |
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parents:
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|
344 |
iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf); |
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Revision: 201027
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|
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iReadBuf = NULL; |
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|
346 |
} |
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parents:
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|
347 |
} |
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parents:
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|
348 |
} |
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Revision: 201027
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|
349 |
while (cont); |
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Revision: 201027
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|
350 |
|
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|
351 |
if (iPos>0) |
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|
352 |
{ |
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Revision: 201027
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parents:
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|
353 |
if (iOneOrMore) |
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parents:
diff
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|
354 |
{ |
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Revision: 201027
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parents:
diff
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|
355 |
CompleteReadRequest(err); |
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Revision: 201027
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parents:
diff
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|
356 |
iPos = 0; |
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Revision: 201027
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parents:
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|
357 |
completedTheReadRequest = ETrue; |
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Revision: 201027
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parents:
diff
changeset
|
358 |
} |
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Revision: 201027
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parents:
diff
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|
359 |
else |
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Revision: 201027
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parents:
diff
changeset
|
360 |
{ |
f50f4094acd7
Revision: 201027
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parents:
diff
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|
361 |
//normal read and have not filled the buffer yet |
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
362 |
_LOG_L4C3( "Not filled buffer yet iPos = %d, iClientLength = %d", iPos, iClientLength); |
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parents:
diff
changeset
|
363 |
} |
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Revision: 201027
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parents:
diff
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|
364 |
} |
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Revision: 201027
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parents:
diff
changeset
|
365 |
|
f50f4094acd7
Revision: 201027
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
366 |
_LOG_L4C2( "<<CPortC32Interface::ReadFromBufOrQueue [completedTheReadRequest=%d]",completedTheReadRequest); |
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Revision: 201027
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parents:
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|
367 |
return completedTheReadRequest; |
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Revision: 201027
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parents:
diff
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|
368 |
} |