--- a/cbsref/csyrefplugins/csy27010/src/PortC32Interface.cpp Tue Aug 31 16:23:08 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,368 +0,0 @@
-//
-// * Copyright 2004 Neusoft America Inc.
-// * All rights reserved.
-// * This component and the accompanying materials are made available
-// * under the terms of the Eclipse Public License v1.0
-// * which accompanies this distribution, and is available
-// * at the URL "http://www.eclipse.org/legal/epl-v10.html".
-// *
-// * Contributors:
-// * Keith Collins (Neusoft America Inc.) original software development and additional code and modifications.
-// * Thomas Gahagen (Neusoft America Inc.) additional code and modifications.
-// * Zhen Yuan (Neusoft America Inc.) additional code and modifications.
-// *
-// * Description: This file contains the implementation for the CPortC32Interface class.
-// * This class contains methods which are invoked by C32 when the
-// * associated client RComm public API is invoked. These methods
-// * are used to create, configure, read, write, and close logical
-// * serial ports. Instances of this class are created by the CSY's
-// * Port Factory.
-//
-
-// PortC32Interface.cpp
-
-/** @file PortC32Interface.cpp
- *
- */
-
-#include <cdbcols.h>
-#include "PortC32Interface.h"
-#include "Portfactory.h"
-#include "Mux0710Protocol.h"
-#include "CsyMsgBufBPFrame.h"
-#include "ChannelMgrCmdData.h"
-#include "CommFrameReaderAo.h"
-#include "CsyDebugLogger.h"
-#include "CsyGlobals.h"
-#include "CommFrameWriterAo.h"
-
-CPortC32Interface* CPortC32Interface::NewL(CPortFactory& aPortFactory,
- CPortFactory::TC32PortInfo& aPortInfo)
-/**
- * This method uses two phase construction and the cleanup stack to create
- * an instance of class CPortC32Interface.
- *
- * @param aPortFactory - Reference to the port factory
- * @param aPortInfo - Reference to the port information
- * @return Pointer to the created instance
- */
- {
- _LOG_L4C1( "CPortC32Interface::NewL");
-
- CPortC32Interface* self = new(ELeave) CPortC32Interface(aPortFactory, aPortInfo);
- TCleanupItem closeSelf(CPortFactory::CloseObject, self);
- CleanupStack::PushL(closeSelf);
- self->ConstructL();
- CleanupStack::Pop(self);
-
- return self;
- }
-
-CPortC32Interface::~CPortC32Interface()
-/**
- * Destructor.
- */
- {
- _LOG_L4C1( ">>CPortC32Interface::~CPortC32Interface");
-
- // let port factory know we are deleted
- iPortFactory.RemoveC32Port(this);
- CompleteOutstandingRequest();
-
- iMuxChannel->Close(this);
-
- if (iReadBuf)
- {
- _LOG_L3C1("Delete read buffer");
- delete iReadBuf;
- }
-
- _LOG_L4C1( "<<CPortC32Interface::~CPortC32Interface");
- }
-
-CPortC32Interface::CPortC32Interface(CPortFactory& aPortFactory,
- CPortFactory::TC32PortInfo& aPortInfo)
-/**
- * Constructor.
- *
- * @param aPortFactory - Reference to the port factory
- * @param aPortInfo - Reference to the port information
- */
-: CPortC32InterfaceBase(aPortFactory, aPortInfo)
- {}
-
-void CPortC32Interface::ConstructL(void)
-/**
- * Safe constructor
- */
- {
- _LOG_L4C1( "CPortC32Interface::ConstructL");
- CPortC32InterfaceBase::ConstructL();
- }
-
-/********************************************************************************/
-/* Start of utility methods for CPortC32InterfaceBase */
-/********************************************************************************/
-
-TInt CPortC32Interface::QueryReceiveBuffer(TInt& aLength) const
-/**
- * Called by C32 when the client queries the size of the receive buffer,
- * which returns the number of receive characters available to be read by
- * the C32 client RComm instance.
- *
- * @param aLength - Reference to client's buffer length variable
- * @return KErrNone
- */
- {
- _LOG_L4C2( "CPortC32Interface::QueryReceiveBuffer [port=%d]", GetPortNumber());
-
- aLength = 0;
- if (iReadBuf)
- {
- aLength = iReadBuf->iMsg.Length();
- _LOG_L4C2("iReadBuf aLength=%d", aLength);
- }
- else if (!iFramesWaitingToBeReadList.IsEmpty())
- {
- CCsyMsgBufBpFrame* frame = iFramesWaitingToBeReadList.First();
- if ((frame)&&(frame->iMsg.Length() >= (KAdvOptionHeaderSize + KChecksumSize)))
- {
-#ifdef _27010ADVANCEOPTION
- aLength = frame->iMsg.Length() - (KAdvOptionHeaderSize + KChecksumSize);
-#else
- aLength = frame->iMsg.Length() - (KBasicOptionHeaderSize + KChecksumSize);
-#endif
- _LOG_L4C2("iFramesWaitingToBeReadList aLength=%d", aLength);
- }
- }
-
- return KErrNone;
- }
-
-void CPortC32Interface::ResetBuffers(TUint aFlags)
-/**
- * Called by C32 when the client requests to reset the buffers,
- * by removing all receive and/or transmit messages according to
- * the specified flags.
- *
- * @param aFlags Indicate which buffers (receive and/or transmit) should be reset
- */
- {
- _LOG_L4C2(">>CPortC32Interface::ResetBuffers [aFlags=%d]", aFlags);
- _LOG_L4C2("[port=%d]", GetPortNumber());
-
- if (aFlags & KCommResetRx)
- {
- _LOG_L4C1("Removing all messages intended for the C32 client");
-
- RemoveWaitingAllFrames();
- }
-
- if (aFlags & KCommResetTx)
- {
- _LOG_L4C1("Removing all messages intended for the modem");
-
- GetMuxChannel()->WriteCancel();
- }
-
- _LOG_L4C1("<<CPortC32Interface::ResetBuffers");
- }
-
-void CPortC32Interface::SendFrameToClient(CCsyMsgBufBpFrame* aFrame)
-/**
- * This method is called by a CSY Channel object when it has a single
- * frame to send to a C32 client RComm object.
- *
- * @param aFrame - Pointer to message to send to client
- */
- {
- _LOG_L4C2( "CPortC32Interface::SendFrameToClient [port=%d]", GetPortNumber());
-
- if (aFrame)
- {
- // check if queue is empty
- TBool trigger = iFramesWaitingToBeReadList.IsEmpty();
-
- iFramesWaitingToBeReadList.AddLast(*aFrame);
- if (trigger)
- {
- _LOG_L4C1("No packets already waiting");
- if (iIsReadInProgress)
- {
- _LOG_L4C1("A read is outstanding");
- ReadFromBufOrQueue();
- }
- }
-
- // inform client new data is available
- SetDataAvailable();
- }
- else
- {
- //MAF __ASSERT_DEBUG(EFalse, PANIC(KPanicIllegalState));
- }
- }
-
-TBool CPortC32Interface::ReadFromBufOrQueue()
-/**
- * This method is called to read from buffer or the frame list
- * It will read as much as possible.
- *
- * @return ETrue if complete the read request
- */
- {
- _LOG_L4C2( ">>CPortC32Interface::ReadFromBufOrQueue [port=%d]",GetPortNumber());
-
- TBool completedTheReadRequest = EFalse;
-
- TInt err = KErrGeneral;
- TBool cont;
- do
- {
- cont = EFalse;
- if(iReadBuf==NULL)
- {
- //Read data from the frame list
- if (!iFramesWaitingToBeReadList.IsEmpty())
- {
- _LOG_L4C1("Set to first item");
- iReadBuf = iFramesWaitingToBeReadList.First();
- if (iReadBuf)
- {
- _LOG_L4C1("iReadBuf not null");
- // remove msg buf from client list
- iFramesWaitingToBeReadList.Remove(*iReadBuf);
-
- // subtract checksum field
- TInt frameLength = iReadBuf->iMsg.Length();
- _LOG_L4C2("New read buffer frameLength=%d",frameLength);
-
- if (frameLength >= KBasicOptionHeaderSize)
- {
- iReadBuf->iMsg.SetLength(frameLength - KChecksumSize);
-
- // remove leading header ints from frame
-#ifdef _27010ADVANCEOPTION
- iReadBuf->iMsg.Delete(0, KAdvOptionHeaderSize);
-#else
- iReadBuf->iMsg.Delete(0, KBasicOptionHeaderSize);
-#endif
- }
- else
- {
- _LOG_L4C1("Incorrect frame size - freeing read buffer");
- iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf);
- iReadBuf = NULL;
- }
- }
- }
- }
- if (iReadBuf)
- {
- TInt length = -1;
- if (iClientLength - iPos < iReadBuf->iMsg.Length())
- {
- length = iClientLength - iPos;
- _LOG_L4C2("length = %d",length);
- }
-
- if (iConfig.iTerminatorCount > 0)
- {
- _LOG_L4C2("iTerminatorCount = %d",iConfig.iTerminatorCount);
-
- // First find terminator
- TInt terminatorLoc = -1;
- TInt loc;
- for (TInt i=0; i< iConfig.iTerminatorCount;i++)
- {
- loc = iReadBuf->iMsg.LocateF(iConfig.iTerminator[i]);
- if (loc > KErrNotFound)
- {
- if (terminatorLoc == KErrNotFound)
- {
- terminatorLoc = loc;
- }
- else
- {
- terminatorLoc = Min(loc,terminatorLoc);
- }
- }
- }
- if (terminatorLoc>KErrNotFound)
- {
- if (length > KErrNotFound)
- length = Min(terminatorLoc + 1,length);
- else
- length = terminatorLoc + 1;
- }
- _LOG_L4C2("length = %d",length);
- }
-
- _LOG_L4C2("Read buf length %d",iReadBuf->iMsg.Length());
-
- if ((iReadBuf->iMsg.Length() >= length) && (length > -1))
- {
- _LOG_L2C2("complete partial read: # %d ", length);
-
- iPartialReadBuf.Copy(&iReadBuf->iMsg[0], length);
- iReadBuf->iMsg.Delete(0, length);
-
- err = IPCWrite(iClientBuffer, iPartialReadBuf, iPos);
- if (err)
- {
- _LOG_L1C2("** IPCWrite Error %d **",err);
- }
-
- CompleteReadRequest(err);
- err = KErrGeneral;
-
- completedTheReadRequest = ETrue;
- iPos = 0;
-
- if (iReadBuf->iMsg.Length()==0)
- {
- _LOG_L4C1("All data used - freeing read buffer");
- iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf);
- iReadBuf = NULL;
- }
- }
- else
- {
- err = IPCWrite(iClientBuffer, iReadBuf->iMsg, iPos);
- if (err)
- {
- _LOG_L1C2("** IPCWrite Error %d **",err);
- }
-
- _LOG_L4C3( "Read: iPos = %d, add %d bytes", iPos, iReadBuf->iMsg.Length());
-
- //try read next frame in the list
- cont = ETrue;
- iPos += iReadBuf->iMsg.Length();
-
- _LOG_L4C1("Freeing read buffer");
- iPortFactory.GetMux0710Protocol()->AddFrameFreeQ(iReadBuf);
- iReadBuf = NULL;
- }
- }
- }
- while (cont);
-
- if (iPos>0)
- {
- if (iOneOrMore)
- {
- CompleteReadRequest(err);
- iPos = 0;
- completedTheReadRequest = ETrue;
- }
- else
- {
- //normal read and have not filled the buffer yet
- _LOG_L4C3( "Not filled buffer yet iPos = %d, iClientLength = %d", iPos, iClientLength);
- }
- }
-
- _LOG_L4C2( "<<CPortC32Interface::ReadFromBufOrQueue [completedTheReadRequest=%d]",completedTheReadRequest);
- return completedTheReadRequest;
- }
\ No newline at end of file