usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatasender.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/inc/ncmdatasender.h Tue Aug 31 17:01:47 2010 +0300
@@ -0,0 +1,143 @@
+/*
+* 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:
+*
+*/
+
+
+/**
+@file
+@internalComponent
+*/
+
+
+#ifndef NCMDATASENDER_H
+#define NCMDATASENDER_H
+
+#include <e32base.h>
+
+#ifndef __OVER_DUMMYUSBSCLDD__
+#include <d32usbcsc.h>
+#else
+#include <dummyusbsclddapi.h>
+#include <usb/testncm/ethinter.h>
+#endif
+
+#include "ncmntbbuilder.h"
+#include "ncmpktdrvcommon.h"
+
+
+class CNcmDataInterface;
+class RDevUsbcScClient;
+class CNcmBufferManager;
+class CNcmNtbBuildPolicy;
+
+
+NONSHARABLE_CLASS(MNcmNtbBuildObserver)
+ {
+public:
+ /**
+ * send a NTB out, this is interface with CNtbBuilder
+ *
+ * @param aBuffer contain a whole NTB.
+ */
+ virtual void SendNtbPayload(TNcmBuffer& aBuffer) = 0;
+ };
+
+
+
+/**
+Responsible for sending Ncm packet data
+*/
+
+NONSHARABLE_CLASS(CNcmDataSender) : public CActive,
+ public MNcmNtbBuildObserver
+
+ {
+public:
+ static CNcmDataSender* NewL(RDevUsbcScClient& aPort, CNcmDataInterface& aParent);
+ ~CNcmDataSender();
+
+public:
+ /** derived from MNcmNtbBuildObserver */
+ void SendNtbPayload(TNcmBuffer& aBuffer);
+
+public:
+ /**
+ * change NtbInMax size
+ *
+ * @param aSize, new NtbInMax size
+ * @param aIsAltZero, is alternate setting 0
+ * @return KErrNone if success,
+ * KErrArgument if the aSize is bigger than 65535,
+ * KErrUnknown if aSize is too bigger and can't create enough buffer block
+ */
+ TInt SetNtbInMaxSize(TInt aSize, TBool aIsAltZero=ETrue);
+ void RunL();
+ void Start();
+ /**
+ * send a ethernet frame
+ *
+ * @param aPacket, the ethernet frame
+ * @return KErrNone if success,
+ * KErrNotReady if sender is not started.
+ * KErrCongestion if there is less buffers, need to start flow control.
+ */
+ TInt Send(RMBufChain& aPacket);
+ void GetNtbParam(TNcmNtbInParam& aParam);
+ void Stop();
+ TInt SetInEpBufferSize(TUint aSize);
+ inline TInt NtbInMaxSize();
+
+private:
+ CNcmDataSender(RDevUsbcScClient& aPort, CNcmDataInterface& aParent);
+ void ConstructL();
+ void SendNtbComplete();
+ TInt StartNewNtb();
+ void DoCancel();
+
+private:
+ RDevUsbcScClient& iPort;
+ CNcmDataInterface& iParent;
+ /**
+ * LDD Endpoint buffer for in NCM in endpoint
+ */
+ TEndpointBuffer iEpOut;
+ /**
+ * store the buffers to be sent to LDD
+ */
+ RArray<TNcmBuffer> iTxArray;
+ /**
+ * store the buffer is on sending
+ */
+ TNcmBuffer iSendingBuffer;
+ /**
+ * there is a buffer currenly on sending
+ */
+ TBool iIsSending;
+ TBool iStarted;
+ CNcmNtbBuilder* iNtbBuilder;
+ CNcmBufferManager* iBufferManager;
+ CNcmNtbBuildPolicy* iBuildPolicy;
+ /**
+ * networking may send packet when data sender is not started, use this to determin if do send resuming when start
+ */
+ TBool iStopSending;
+
+ };
+
+// Inline functions
+#include "ncmdatasender.inl"
+
+#endif //NCMDATASENDER_H