--- a/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/src/ncmcomminterfacesenderandreceiver.cpp Tue Aug 31 17:01:47 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,265 +0,0 @@
-/*
-* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-* implementation for read and write data from share chunk LDD
-*
-*/
-
-
-/**
-@internalComponent
-*/
-
-#include "ncmcommunicationinterface.h"
-#include "ncmengine.h"
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "ncmcomminterfacesenderandreceiverTraces.h"
-#endif
-
-
-
-// ======== MEMBER FUNCTIONS ========
-//
-
-CNcmCommInterfaceSenderAndReceiver::CNcmCommInterfaceSenderAndReceiver(RDevUsbcScClient& aPort, CNcmCommunicationInterface& aComm)
- : CActive(CActive::EPriorityStandard),
- iPort(aPort),
- iCommInterface(aComm),
- iState(EUnInit)
- {
- CActiveScheduler::Add(this);
- }
-
-CNcmCommInterfaceSenderAndReceiver* CNcmCommInterfaceSenderAndReceiver::NewL(RDevUsbcScClient& aPort, CNcmCommunicationInterface& aComm)
- {
- return new(ELeave) CNcmCommInterfaceSenderAndReceiver(aPort, aComm);
- }
-
-CNcmCommInterfaceSenderAndReceiver::~CNcmCommInterfaceSenderAndReceiver()
- {
- Stop();
- }
-
-void CNcmCommInterfaceSenderAndReceiver::Start()
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_START_ENTRY, this );
-
- TInt ret = iPort.OpenEndpoint(iEp0Buffer, KEp0Number);
- if (ret != KErrNone)
- {
- OstTrace1( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_START1, "OpenEndpoint error %d", ret);
- iCommInterface.ControlMsgError(EInternalError);
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_START_EXIT, this );
- return;
- }
- iState = EIdle;
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_START_EXIT_DUP1, this );
- }
-
-void CNcmCommInterfaceSenderAndReceiver::Stop()
- {
- OstTraceFunctionEntry0( CNCMCOMMINTERFACESENDERANDRECEIVER_STOP_ENTRY );
-
- iState = EIdle;
- Cancel();
- iEp0Buffer.Close();
- OstTraceFunctionExit0( CNCMCOMMINTERFACESENDERANDRECEIVER_STOP_EXIT );
- }
-
-
-//
-//Read data of aLength from LDD
-//
-
-TInt CNcmCommInterfaceSenderAndReceiver::Read(TRequestStatus& aStatus, TDes8& aBuf, TInt aLength)
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_READ_ENTRY, this );
- OstTrace1( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READ, "CNcmCommInterfaceSenderAndReceiver::Read length %d", aLength );
-
- iCompleteStatus = &aStatus;
- *iCompleteStatus = KRequestPending;
- if (iState != EIdle)
- {
- OstTrace0( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READ_DUP1, "CNcmCommInterfaceSenderAndReceiver Read In Use" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READ_EXIT, this );
- return KErrInUse;
- }
- iReceiveBuf = &aBuf;
- iReceiveBuf->Zero();
- iToReceiveLength = aLength;
- iState = EReceiving;
- ReadData();
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READ_EXIT_DUP1, this );
- return KErrNone;
- }
-
-//
-//write aLength data to ldd
-//
-TInt CNcmCommInterfaceSenderAndReceiver::Write(TRequestStatus& aStatus, TDesC8& aBuf, TInt aLength)
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_ENTRY, this );
- OstTrace1( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE, "CNcmCommInterfaceSenderAndReceiver::Write length %d", aLength );
-
- iCompleteStatus = &aStatus;
- *iCompleteStatus = KRequestPending;
-
- if (iState != EIdle)
- {
- OstTrace0( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE1, "CNcmCommInterfaceSenderAndReceiver::Write in Use" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_EXIT, this );
- return KErrInUse;
- }
-
- TAny *buf;
- TUint size;
- TInt ret = iEp0Buffer.GetInBufferRange(buf, size);
- if (ret != KErrNone)
- {
- OstTrace0( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE2, "CNcmCommInterfaceSenderAndReceiver::Write in Use" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_EXIT_DUP1, this );
- return ret;
- }
- else if (size < aLength)
- {
- OstTrace0( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE3, "write data is bigger than ldd buffer size" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_EXIT_DUP2, this );
- return KErrArgument;
- }
-
- TPtr8 writeBuf((TUint8 *)buf, size);
- writeBuf.Copy(aBuf.Ptr(), aLength);
- ret = iEp0Buffer.WriteBuffer(buf, writeBuf.Size(), ETrue, iStatus);
- if (ret != KErrNone)
- {
- OstTrace1( TRACE_FATAL, CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE4, "WriteBuffer error %d", ret );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_EXIT_DUP3, this );
- return ret;
- }
- iState = ESending;
- SetActive();
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_WRITE_EXIT_DUP4, this );
- return KErrNone;
- }
-
-
-
-//
-//Read data from USB share chunk LDD
-//
-void CNcmCommInterfaceSenderAndReceiver::ReadData()
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA_ENTRY, this );
- TInt ret;
- TAny* buf;
- TUint8* receivebuf;
- TUint receiveLen;
- TBool zlp;
-
- FOREVER
- {
- ret = iEp0Buffer.GetBuffer(buf, receiveLen, zlp, iStatus, iToReceiveLength);
- receivebuf = (TUint8*)buf;
- if (ret == TEndpointBuffer::KStateChange)
- {
- OstTrace0( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA, "receive state change, discard it" );
- continue;
- }
-
- else if (ret == KErrCompletion)
- {
- OstTrace1( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA1, "read data length %d from ldd", receiveLen );
- if (receiveLen > iToReceiveLength)
- {
- User::RequestComplete(iCompleteStatus, KErrOverflow);
- iState = EIdle;
- OstTrace0( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA2,"data from ldd is bigger than receive buffer" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA_EXIT, this );
- return;
- }
-
- iReceiveBuf->Append(receivebuf, receiveLen);
- iToReceiveLength -= receiveLen;
- if (!iToReceiveLength)
- {
- User::RequestComplete(iCompleteStatus, KErrNone);
- iState = EIdle;
- OstTrace0( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA3,"Complete read request" );
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA_EXIT_DUP1, this );
- return;
- }
- continue;
- }
- else if (ret == KErrNone)
- {
- break;
- }
- else
- {
- OstTrace1( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA4, "GetBuffer error %d", ret);
- User::RequestComplete(iCompleteStatus, KErrNone);
- iState = EIdle;
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA_EXIT_DUP2, this );
- return;
- }
- }
- SetActive();
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_READDATA_EXIT_DUP3, this );
- }
-
-//
-//RunL, looply receive data from share chunk LDD until receive all required data
-//
-void CNcmCommInterfaceSenderAndReceiver::RunL()
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_RUNL_ENTRY, this );
- if(iStatus.Int() != KErrNone)
- {
- if (KErrCancel == iStatus.Int() )
- {
- OstTrace0( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_RUNL,"CNcmCommInterfaceSenderAndReceiver, control channel is cancelled" );
- }
- else
- {
- OstTrace1( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_RUNL1, "CNcmCommInterfaceSenderAndReceiver::RunL error %d", iStatus.Int());
- }
- User::RequestComplete(iCompleteStatus, iStatus.Int());
- }
- else
- {
- if (iState == EReceiving)
- {
- ReadData();
- }
- else if (iState == ESending)
- {
- User::RequestComplete(iCompleteStatus, KErrNone);
- iState = EIdle;
- OstTrace0( TRACE_NORMAL, CNCMCOMMINTERFACESENDERANDRECEIVER_RUNL2,"Complete write request" );
- }
- }
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_RUNL_EXIT, this );
- }
-
-//
-//Cancel the outgoing read request
-//
-void CNcmCommInterfaceSenderAndReceiver::DoCancel()
- {
- OstTraceFunctionEntry1( CNCMCOMMINTERFACESENDERANDRECEIVER_DOCANCEL_ENTRY, this );
- iPort.ReadCancel(KUsbcScEndpointZero);
- iPort.WriteCancel(KUsbcScEndpointZero);
- OstTraceFunctionExit1( CNCMCOMMINTERFACESENDERANDRECEIVER_DOCANCEL_EXIT, this );
- }