--- a/usbmgmt/usbmgr/device/classdrivers/ncm/classimplementation/ncmpktdrv/pktdrv/src/ncmntbparser.cpp Tue Aug 31 17:01:47 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,629 +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:
-*
-*/
-
-#include "ncmntbparser.h"
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "ncmntbparserTraces.h"
-#endif
-
-
-#ifdef _DEBUG
-_LIT(KNTBParsePanic, "NtbParsePanic");
-#endif
-
-
-const TUint KNcmNtb16HeadLength = sizeof(TNcmNth16);
-const TUint KNcmNtb16NdpMiniLength = sizeof(TNcmNdp16);
-const TUint KNcmNtb16NdpDatagramOffset = 4 + 2 + 2;//dwSignature + wLength + wNextNdpIndex;
-const TUint KNcmNtb16NdpDatagramLength = 2 + 2;//wDatagram0Index + wDatagram0Length;
-const TUint KNcmNtb16NdpDatagramLenOffset = 2;//wDatagram0Index
-const TUint8 KLetterN = 0x4E;
-const TUint8 KLetterC = 0x43;
-const TUint8 KLetterM = 0x4D;
-const TUint8 KLetterH = 0x48;
-const TUint8 KLetter0 = 0x30;
-
-CNcmNtb16Parser* CNcmNtb16Parser::NewL(MNcmNdpFrameObserver& aObserver)
- {
- return new(ELeave)CNcmNtb16Parser(aObserver);
- }
-
-CNcmNtb16Parser::~CNcmNtb16Parser()
- {
- Reset();
- }
-
-CNcmNtbParser::~CNcmNtbParser()
- {
- }
-
-TUint CNcmNtb16Parser::NtbOutMaxSize() const
- {
- return iMaxSize;
- }
-
-/**
- * Parsing a buffer as NCM Ntb16 data format.
- * NOTE: this function has "memory" because the Shared Chunk LDD can't guarantee the buffer as a whole USB Transfer.
- * this function tries to parse the buffer as much as possible and save the buffer if it can't be parsed exactly.
- * @param [in] aBuf, the buffer to be parsed, which can't be released(free) until the ExpireBuffer() is called.
- * @param [in] aBufLen, the buffer length.
- * @param [in] aZlp, flag of Zlp used to indicate a USB transfer completion.
- * @return KErrNone, no error occurs during parsing this buffer.
- * other, Symbian system error code.
- */
-TInt CNcmNtb16Parser::Parse(const TUint8* aBuf, TInt aBufLen, TBool aZlp)
- {
- TInt ret = KErrNone;
- TInt dataLen = iDataLen + aBufLen - (iQueLen==0?iDataOffset:0);
- OstTraceExt3( TRACE_NORMAL, CNCMNTB16PARSER_PARSE, "==>Parse:aBuf=0x%08x, aBufLen=%d, aZlp=%d.", (TUint)aBuf, aBufLen, aZlp);
- OstTraceExt5( TRACE_NORMAL, CNCMNTB16PARSER_PARSE_DUP01, " iState=%d, dataLen=%d, iDataLen=%d, iQueLen=%d, iDataOffset=%d", iState, dataLen, iDataLen, iQueLen, iDataOffset);
-
- //Zlp comes so late, so updated here.
- if (aZlp)
- {
- iNth.wBlockLength = dataLen;
- __ASSERT_DEBUG(iNth.wBlockLength < iMaxSize, User::Panic(KNTBParsePanic, __LINE__));
- }
-
- switch(iState)
- {
- //iNth is not ready.
- case ENcmNtb16ParseStateUninitialized:
- if (dataLen >= KNcmNtb16HeadLength)
- {
- ret = ParseNcmNtb16Header(aBuf, aBufLen, aZlp);
- }
- else
- {
- ret = QueueBuf(aBuf, aBufLen);
- }
- break;
-
- //iNth is ready, but iNdp not.
- case ENcmNtb16ParseStateNdpParsing:
- if (dataLen >= iNth.wNdpIndex + KNcmNtb16NdpMiniLength)
- {
- ret = ParseNcmNtb16Ndp(aBuf, aBufLen);
- }
- else
- {
- ret = QueueBuf(aBuf, aBufLen);
- }
- break;
-
- //iNdp is ready, try to seek datagram.
- case ENcmNtb16ParseStateNdpSeeking:
- ret = ParseNcmNtb16NdpDatagram(aBuf, aBufLen);
- break;
-
- //iNth is ready, ignore the remaining bytes for errors or NULL NDP.
- case ENcmNtb16ParseStateSkipBytes:
- __ASSERT_DEBUG(0==iQueLen, User::Panic(KNTBParsePanic, __LINE__));
- __ASSERT_DEBUG(0==iDataLen||0==iDataOffset, User::Panic(KNTBParsePanic, __LINE__));
- //buffer contains the following NTB data.
- if (dataLen > iNth.wBlockLength)
- {
- iDataOffset += iNth.wBlockLength - iDataLen;
- Reset();
- ret = Parse(aBuf, aBufLen);
- }
- else if (dataLen == iNth.wBlockLength)
- {
- Reset();
- iDataOffset = 0;
- iObserver.ExpireBuffer((TAny*)aBuf);
- }
- else
- {
- iDataLen += aBufLen;
- iObserver.ExpireBuffer((TAny*)aBuf);
- }
- break;
-
- default:
- __ASSERT_DEBUG(0, User::Panic(KNTBParsePanic, __LINE__));
- break;
- }
- OstTraceExt3(TRACE_NORMAL, CNCMNTB16PARSER_PARSE_DUP02, "<==Parse:iDataLen=%d, iQueLen=%d, iDataOffset=%d.", (TInt)iDataLen, iQueLen, iDataOffset);
-
- return ret;
- }
-
-//Reset the parser to clear the queue and indicators.
-void CNcmNtb16Parser::Reset(TInt aType)
- {
- if (ENcmNtb16TypeResetAll == aType)
- {
- iState = ENcmNtb16ParseStateUninitialized;
- iDataLen = 0;
- }
-
- if (iQueLen > 0)
- {
- for (TInt i = 0; i < iQueLen; i++)
- {
- iObserver.ExpireBuffer((TAny*)(iBufQueue[i].Ptr()));
- }
- iBufQueue.Reset();
- iQueLen = 0;
- iDataOffset = 0;
- }
- }
-
-//Search NCM header:"NCMH".
-TInt CNcmNtb16Parser::SearchNcmHead(const TUint8* aBuf, TInt aBufLen)
- {
- TInt dataLen = aBufLen + (iQueLen==0?(0-iDataOffset):iDataLen);
- const TInt KNotFound = 0;
- const TInt KShrinkQueue = 1;
- const TInt KFound = 2;
- TInt ii = 1;//first one(0) has already tested(not matched) before entering this function.
- TInt ret = KNotFound;
-
- const TUint KMatchLastOne = 1;
- const TUint KMatchLastTwo = 2;
- const TUint KMatchLastThree = 3;
-
- while (KNotFound == ret)
- {
- while (ii < dataLen && KLetterN != DataTUint8(ii, aBuf, aBufLen))
- {
- ii++;
- }
- if (ii == dataLen)
- {
- Reset();
- iDataOffset = 0;
- iObserver.ExpireBuffer((TAny*)aBuf);
- return KErrCorrupt;
- }
- else if (ii + KMatchLastOne == dataLen)//last one matched 'N'
- {
- ret = KShrinkQueue;
- }
- else if (ii + KMatchLastTwo == dataLen)
- {
- if (KLetterC == DataTUint8(ii+KMatchLastOne, aBuf, aBufLen))//'NC' matched.
- {
- ret = KShrinkQueue;
- }
- else
- {
- ii++;
- }
- }
- else if (ii + KMatchLastThree == dataLen)
- {
- if (KLetterC != DataTUint8(ii+KMatchLastOne, aBuf, aBufLen))
- {
- ii++;
- }
- else if (KLetterM != DataTUint8(ii+KMatchLastTwo, aBuf, aBufLen))
- {
- ii += 2;
- }
- else //'NCM' matched.
- {
- ret = KShrinkQueue;
- }
- }
- else
- {
- if (KLetterC != DataTUint8(ii+KMatchLastOne, aBuf, aBufLen))
- {
- ii ++;
- }
- else if (KLetterM != DataTUint8(ii+KMatchLastTwo, aBuf, aBufLen))
- {
- ii += 2;
- }
- else if (KLetterH != DataTUint8(ii+KMatchLastThree, aBuf, aBufLen))
- {
- ii += 3;
- }
- else
- {
- ret = KFound;
- }
- }
- }
-
- OstTraceExt5(TRACE_NORMAL, CNCMNTB16PARSER_SEARCHNCMHEAD, "Search:ii=%d, dataLen=%d,iDataLen=%d,iDataOffset=%d,iQueLen=%d", ii, dataLen, iDataLen, iDataOffset, iQueLen);
-
- switch(ret)
- {
- case KShrinkQueue:
- {
- TInt err = QueueBuf(aBuf, aBufLen);
- if (KErrNone != err)
- {
- return err;
- }
- }
- //fall-through!! no break!!
- case KFound:
- {
- TInt newOffset = ii + iDataOffset;
- iDataLen += (iDataLen!=0?iDataOffset:0);
- while(iQueLen && iBufQueue[0].Length() <= newOffset)
- {
- iObserver.ExpireBuffer((TAny*)iBufQueue[0].Ptr());
- newOffset -= iBufQueue[0].Length();
- iDataLen -= iBufQueue[0].Length();
- iBufQueue.Remove(0);
- iQueLen--;
- }
- iDataOffset = newOffset;
- iDataLen -= (iQueLen!=0?iDataOffset:0);
- __ASSERT_DEBUG((iQueLen==0&&iDataLen==0)||(iQueLen>0&&iDataLen>0), User::Panic(KNTBParsePanic, __LINE__));
- if (KFound == ret)
- {
- return Parse(aBuf, aBufLen);
- }
- }
- break;
-
- default:
- __ASSERT_DEBUG(0, User::Panic(KNTBParsePanic, __LINE__));
- break;
- }
-
- return KErrNone;
- }
-
-TInt CNcmNtb16Parser::ParseNcmNtb16Header(const TUint8* aBuf, TInt aBufLen, TBool aZlp)
- {
- const TUint KLetterNOffset = 0; //0
- const TUint KLetterCOffset = KLetterNOffset + 1; //1
- const TUint KLetterMOffset = KLetterCOffset + 1; //2
- const TUint KLetterHOffset = KLetterMOffset + 1; //3
- const TUint KHeaderLengthOffset = KLetterHOffset + 1;//4
- const TUint KSequeceOffset = KHeaderLengthOffset + 2;//6
- const TUint KBlockLengthOffset = KSequeceOffset + 2;//8
- const TUint KNdpIndexOffset = KBlockLengthOffset + 2;//10
- //NCMH
- if (KLetterN != DataTUint8(KLetterNOffset, aBuf, aBufLen) ||
- KLetterC != DataTUint8(KLetterCOffset, aBuf, aBufLen) ||
- KLetterM != DataTUint8(KLetterMOffset, aBuf, aBufLen) ||
- KLetterH != DataTUint8(KLetterHOffset, aBuf, aBufLen))
- {
- //NOT a valid NTB header signature. Try to search NCMH in the buffer...
- OstTrace0(TRACE_ERROR, CNCMNTB16PARSER_PARSENCMNTB16HEADER, "BAD error, missed NCMH!!");
- return SearchNcmHead(aBuf, aBufLen);
- }
-
-#ifdef _DEBUG
- iNth.wHeaderLength = DataTUint16(KHeaderLengthOffset, aBuf, aBufLen);
- iNth.wSequence = DataTUint16(KSequeceOffset, aBuf, aBufLen);
- //keep silence for release. not critical error.
- __ASSERT_DEBUG(iNth.wHeaderLength == 0xC, User::Panic(KNTBParsePanic, __LINE__));
-#endif
-
-#ifdef _DEBUG
- OstTrace1(TRACE_NORMAL, CNCMNTB16PARSER_PARSENCMNTB16HEADER_DUP01, "iNth.wBlockLength=%d", DataTUint16(KBlockLengthOffset, aBuf, aBufLen));
-#endif
-
- //using Zlp first.
- if (aZlp)
- {
- iNth.wBlockLength = iDataLen + aBufLen - (iQueLen==0?iDataOffset:0);
- __ASSERT_DEBUG(iNth.wBlockLength < iMaxSize, User::Panic(KNTBParsePanic, __LINE__));
- }
- else
- {
- iNth.wBlockLength = DataTUint16(KBlockLengthOffset, aBuf, aBufLen);
- if (0 == iNth.wBlockLength)
- {
- iNth.wBlockLength = iMaxSize;
- }
- }
- iNth.wNdpIndex = DataTUint16(KNdpIndexOffset, aBuf, aBufLen);
-
-#ifdef _DEBUG
- iNth.Dump();
-#endif
-
- if ((iNth.wNdpIndex >= 0xC) &&
- (iNth.wNdpIndex + KNcmNtb16NdpMiniLength <= iNth.wBlockLength))
- {
- iState = ENcmNtb16ParseStateNdpParsing;
- }
- else //underflow or overflow
- {
- Reset(ENcmNtb16TypeResetQueue);
- iState = ENcmNtb16ParseStateSkipBytes;
- }
-
- return Parse(aBuf, aBufLen);
- }
-
-TInt CNcmNtb16Parser::ParseNcmNtb16Ndp(const TUint8* aBuf, TInt aBufLen)
- {
- const TUint KLetterNOffset = 0; //0
- const TUint KLetterCOffset = KLetterNOffset + 1; //1
- const TUint KLetterMOffset = KLetterCOffset + 1; //2
- const TUint KLetterZeroOffset = KLetterMOffset + 1; //3
- const TUint KLengthOffset = KLetterZeroOffset + 1;//4
-
- //NCM0
- if (KLetterN != DataTUint8(iNth.wNdpIndex + KLetterNOffset, aBuf, aBufLen) ||
- KLetterC != DataTUint8(iNth.wNdpIndex+KLetterCOffset, aBuf, aBufLen) ||
- KLetterM != DataTUint8(iNth.wNdpIndex+KLetterMOffset, aBuf, aBufLen) ||
- KLetter0 != DataTUint8(iNth.wNdpIndex+KLetterZeroOffset, aBuf, aBufLen))
- {
- //Not valid NDP! Skip this NTB.
- Reset(ENcmNtb16TypeResetQueue);
- iState = ENcmNtb16ParseStateSkipBytes;
- return Parse(aBuf, aBufLen);
- }
-
- iNdp.wLength = DataTUint16(iNth.wNdpIndex+KLengthOffset, aBuf, aBufLen);
- if (iNdp.wLength < 0x10)
- {
- //Not valid ndp header, Skip this NTB.
- Reset(ENcmNtb16TypeResetQueue);
- iState = ENcmNtb16ParseStateSkipBytes;
- return Parse(aBuf, aBufLen);
- }
- iNdpBound = iNth.wNdpIndex + iNdp.wLength;
-
-#ifdef _DEBUG
- if (iNdpBound > iNth.wBlockLength)
- {
- //warning: overflow..
- }
- const TUint KNextNdpIndexOffset = KLengthOffset + 2;//6
- iNdp.wNextNdpIndex = DataTUint16(iNth.wNdpIndex + KNextNdpIndexOffset, aBuf, aBufLen);
- __ASSERT_DEBUG(iNdp.wNextNdpIndex==0, User::Panic(KNTBParsePanic, __LINE__));
-
- iNdp.Dump();
-#endif
-
- iNdpDataOffset = iNth.wNdpIndex + KNcmNtb16NdpDatagramOffset;
- iState = ENcmNtb16ParseStateNdpSeeking;
- return Parse(aBuf, aBufLen);
- }
-
-//parse NdpDatagram
-TInt CNcmNtb16Parser::ParseNcmNtb16NdpDatagram(const TUint8* aBuf, TInt aBufLen)
- {
- TInt dataLen = aBufLen + (iQueLen==0?(0-iDataOffset):iDataLen);
- TInt ret = KErrNone;
- OstTraceExt3(TRACE_NORMAL, CNCMNTB16PARSER_PARSENCMNTB16NDPDATAGRAM, "ParseNcmNtb16NdpDatagram:iNdpState=%d, iDataLen=%d, dataLen=%d", iNdpState, iDataLen, dataLen);
-
- switch(iNdpState)
- {
- case ENcmNtb16ParseNdpStateUninitialized:
- {
- TUint datagramBound = iNdpDataOffset+ KNcmNtb16NdpDatagramLength;
- if (iNdpDataOffset >= iNdpBound || datagramBound > iNth.wBlockLength)
- {
- //finish this NTB.
- Reset(ENcmNtb16TypeResetQueue);
- iState = ENcmNtb16ParseStateSkipBytes;
- ret = Parse(aBuf, aBufLen);
- }
- else if (datagramBound <= dataLen)
- {
- iDatagramIndex = DataTUint16(iNdpDataOffset, aBuf, aBufLen);
- iDatagramLength = DataTUint16(iNdpDataOffset+KNcmNtb16NdpDatagramLenOffset, aBuf, aBufLen);
- OstTraceExt2(TRACE_NORMAL, CNCMNTB16PARSER_PARSENCMNTB16NDPDATAGRAM_DUP01, "Index=%d, Length=%d", iDatagramIndex, iDatagramLength);
- // NULL NDP;
- if (iDatagramIndex == 0 || iDatagramLength == 0)
- {
- Reset(ENcmNtb16TypeResetQueue);
- iState = ENcmNtb16ParseStateSkipBytes;
- ret = Parse(aBuf, aBufLen);
- }
- else if (iDatagramIndex + iDatagramLength <= iNth.wBlockLength)
- {
- TRAPD(err, iPacket.CreateL(iDatagramLength));
- if (KErrNone == err)
- {
- iNdpState = ENcmNtb16ParseNdpStateDatagramed;
- ret = ParseNcmNtb16NdpDatagram(aBuf, aBufLen);
- }
- else
- {
- iPacket.Free();
-
- iNdpDataOffset += KNcmNtb16NdpDatagramLength;//skip this ethernet frame, do nothing else.
- ret = ParseNcmNtb16NdpDatagram(aBuf, aBufLen);
- }
-
- }
- else
- {
- //skip this datagram because of overflow.
- iNdpDataOffset += KNcmNtb16NdpDatagramLength;
- ret = ParseNcmNtb16NdpDatagram(aBuf, aBufLen);
- }
- }
- else
- {
- ret = QueueBuf(aBuf, aBufLen);
- }
- }
- break;
-
- case ENcmNtb16ParseNdpStateDatagramed:
- ret = DataPacket(aBuf, aBufLen);
- if (KErrCompletion == ret)
- {
- iPacket.Pack();
- iObserver.ProcessEtherFrame(iPacket);
-
- iNdpDataOffset += KNcmNtb16NdpDatagramLength;
- iNdpState = ENcmNtb16ParseNdpStateUninitialized;
- ret = ParseNcmNtb16NdpDatagram(aBuf, aBufLen);
- }
- break;
- }
-
- return ret;
- }
-
-//queue buffer.
-TInt CNcmNtb16Parser::QueueBuf(const TUint8* aBuf, TInt aBufLen)
- {
- __ASSERT_DEBUG(iQueLen==0?(iDataLen==0):ETrue, User::Panic(KNTBParsePanic, __LINE__));
- TPtrC8 ptr(aBuf, aBufLen);
- TInt ret = iBufQueue.Append(ptr);
- if(KErrNone != ret)
- {
- OstTrace1(TRACE_ERROR, CNCMNTB16PARSER_QUEUEBUF, "Append Queue Error: ret=%d!!", ret);
- Reset();
- return ret;
- }
- iDataLen += aBufLen - (iQueLen==0?iDataOffset:0);
- iQueLen ++;
- return KErrNone;
- }
-
-TUint8 CNcmNtb16Parser::DataTUint8(TUint aOffset, const TUint8* aBuf, TInt aBufLen)
- {
- if (0 == iQueLen)
- {
- return aBuf[iDataOffset + aOffset];
- }
- else if (iDataLen <= aOffset)
- {
- return aBuf[aOffset - iDataLen];
- }
- else
- {
- TInt i = 1;
- TPtrC8* pPtr = &iBufQueue[0];
- TUint totalOffset = pPtr->Length() - iDataOffset;
- while(totalOffset <= aOffset)
- {
- pPtr = &iBufQueue[i];
- totalOffset += pPtr->Length();
- i++;
- __ASSERT_DEBUG(i<=iQueLen, User::Panic(KNTBParsePanic, __LINE__));
- }
- return pPtr->Ptr()[pPtr->Length() + aOffset - totalOffset];
- }
- }
-
-TUint16 CNcmNtb16Parser::DataTUint16(TUint aOffset, const TUint8* aBuf, TInt aBufLen)
- {
- if (0 == iQueLen)
- {
- return LittleEndian::Get16(aBuf + aOffset + iDataOffset);
- }
- else if (iDataLen <= aOffset)
- {
- return LittleEndian::Get16(aBuf + aOffset - iDataLen);
- }
- else
- {
- TUint16 ret = 0;
- TInt i = 1;
- TPtrC8* pPtr = &iBufQueue[0];
- TUint totalOffset = pPtr->Length() - iDataOffset;
-
- while(totalOffset <= aOffset)
- {
- pPtr = &iBufQueue[i];
- totalOffset += pPtr->Length();
- i++;
- __ASSERT_DEBUG(i<=iQueLen, User::Panic(KNTBParsePanic, __LINE__));
- }
- ret = pPtr->Ptr()[pPtr->Length() + aOffset - totalOffset];
- if (totalOffset > aOffset + 1)
- {
- ret += ((pPtr->Ptr()[pPtr->Length() + aOffset - totalOffset + 1])<<8)&0xFF00;
- }
- else if (i < iQueLen)
- {
- pPtr = &iBufQueue[i];
- ret += ((pPtr->Ptr()[0])<<8)&0xFF00;
- }
- else
- {
- ret += (aBuf[0]<<8)&0xFF00;
- }
-
- return ret;
- }
- }
-
-TInt CNcmNtb16Parser::DataPacket(const TUint8* aBuf, TInt aBufLen)
- {
- TInt dataLen = aBufLen + (iQueLen==0?(0-iDataOffset):iDataLen);
- OstTraceExt5(TRACE_NORMAL, CNCMNTB16PARSER_DATAPACKET, "DataPacket:dataLen=%d, index=%d, len=%d, iDataLen=%d, iDataOffset=%d", dataLen, iDatagramIndex, iDatagramLength, iDataLen, iDataOffset);
- if (dataLen < iDatagramIndex + iDatagramLength)
- {
- return QueueBuf(aBuf, aBufLen);
- }
-
- if (0 == iQueLen)
- {
- iPacket.CopyIn(TPtrC8(aBuf + iDatagramIndex + iDataOffset, iDatagramLength));
- }
- else if (iDataLen <= iDatagramIndex)
- {
- iPacket.CopyIn(TPtrC8(aBuf + iDatagramIndex - iDataLen, iDatagramLength));
- }
- else
- {
- TInt i = 1;
- TPtrC8* pPtr = &iBufQueue[0];
- TUint totalOffset = pPtr->Length() - iDataOffset;
-
- while (totalOffset <= iDatagramIndex)
- {
- pPtr = &iBufQueue[i];
- totalOffset += pPtr->Length();
- i++;
- __ASSERT_DEBUG(i<=iQueLen, User::Panic(KNTBParsePanic, __LINE__));
- }
- if (totalOffset >= iDatagramIndex + iDatagramLength)
- {
- iPacket.CopyIn(TPtrC8(pPtr->Ptr() + pPtr->Length() + iDatagramIndex - totalOffset, iDatagramLength));
- }
- else
- {
- TInt len = totalOffset - iDatagramIndex;
- iPacket.CopyIn(TPtrC8(pPtr->Ptr() + pPtr->Length() + iDatagramIndex - totalOffset, len));
-
- while(i < iQueLen && iBufQueue[i].Length() + len <= iDatagramLength)
- {
- iPacket.CopyIn(iBufQueue[i], len);
- len += iBufQueue[i].Length();
- i++;
- }
-
- if (len < iDatagramLength)
- {
- if (i < iQueLen)
- {
- iPacket.CopyIn(TPtrC8(iBufQueue[i].Ptr(), iDatagramLength-len), len);
- }
- else
- {
- iPacket.CopyIn(TPtrC8(aBuf, iDatagramLength - len), len);
- }
- }
- }
- }
-
- return KErrCompletion;
- }