mtptransports/mtpptpiptransport/ptpipdatatypes/src/tptpipstartdatapayload.cpp
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 /**
       
    17  @internalComponent
       
    18 */
       
    19 
       
    20 #include "ptpipdatatypes.h"
       
    21 #include "tptpipstartdatapayload.h"
       
    22 
       
    23 	
       
    24 // Dataset element metadata.
       
    25 const TPTPIPTypeStartDataPayload::TElementInfo TPTPIPTypeStartDataPayload::iElementMetaData[ENumElements] = 
       
    26     {
       
    27         {EMTPTypeUINT32, 0,  KMTPTypeUINT32Size},  // Transaction Id
       
    28         {EMTPTypeUINT64, 4,  KMTPTypeUINT64Size}   // Total Data size
       
    29     };
       
    30 
       
    31 /**
       
    32  Constructor.
       
    33  */
       
    34 EXPORT_C TPTPIPTypeStartDataPayload::TPTPIPTypeStartDataPayload() :
       
    35 	iElementInfo(iElementMetaData, ENumElements),
       
    36 	iBuffer(KSize)
       
    37 	{
       
    38 	SetBuffer(iBuffer);
       
    39 	}
       
    40 
       
    41 /**
       
    42  Resets the dataset.
       
    43  */
       
    44 EXPORT_C void TPTPIPTypeStartDataPayload::Reset()
       
    45 	{
       
    46 	TMTPTypeFlatBase::Reset();
       
    47 	}
       
    48 
       
    49 /**
       
    50  Sets the transaction id.
       
    51  */
       
    52 EXPORT_C void TPTPIPTypeStartDataPayload::SetUint32(TInt aElementId, TUint32 aData)
       
    53 	{
       
    54 	__ASSERT_DEBUG((aElementId == ETransactionId), User::Invariant());
       
    55 	TMTPTypeFlatBase::SetUint32(aElementId, aData);
       
    56 	}
       
    57 
       
    58 /**
       
    59  Gets the transaction id
       
    60  */
       
    61 EXPORT_C TUint32 TPTPIPTypeStartDataPayload::Uint32(TInt aElementId) const
       
    62 	{
       
    63 	__ASSERT_DEBUG((aElementId == ETransactionId), User::Invariant());
       
    64 	return TMTPTypeFlatBase::Uint32(aElementId);
       
    65 	}
       
    66 
       
    67 /**
       
    68  Sets the 64 bit size of total data in the data phase. 
       
    69  */
       
    70 EXPORT_C void TPTPIPTypeStartDataPayload::SetUint64(TInt aElementId, TUint64 aData)
       
    71 	{
       
    72 	__ASSERT_DEBUG((aElementId == ETotalSize), User::Invariant());
       
    73 	TMTPTypeFlatBase::SetUint64(aElementId, aData);
       
    74 	}
       
    75 
       
    76 /**
       
    77  Gets the 64 bit size of the total data in the data phase. 
       
    78  */
       
    79 EXPORT_C TUint64 TPTPIPTypeStartDataPayload::Uint64(TInt aElementId) const
       
    80 	{
       
    81 	__ASSERT_DEBUG((aElementId == ETotalSize), User::Invariant());
       
    82 	return TMTPTypeFlatBase::Uint64(aElementId);
       
    83 	}
       
    84 
       
    85 /**
       
    86  todo
       
    87  */
       
    88 EXPORT_C TInt TPTPIPTypeStartDataPayload::FirstReadChunk(TPtrC8& aChunk) const
       
    89 	{
       
    90 	TInt ret(TMTPTypeFlatBase::FirstReadChunk(aChunk));
       
    91 	return ret;
       
    92 	}
       
    93 
       
    94 EXPORT_C TUint64 TPTPIPTypeStartDataPayload::Size() const
       
    95 	{
       
    96 	return KSize;
       
    97 	}
       
    98 
       
    99 EXPORT_C TUint TPTPIPTypeStartDataPayload::Type() const
       
   100 	{
       
   101 	return EPTPIPTypeStartDataPayload;
       
   102 	}
       
   103 
       
   104 EXPORT_C TBool TPTPIPTypeStartDataPayload::CommitRequired() const
       
   105 	{
       
   106 	return ETrue;
       
   107 	}
       
   108 
       
   109 /**
       
   110  todo: nothing to do here?
       
   111  */
       
   112 EXPORT_C MMTPType* TPTPIPTypeStartDataPayload::CommitChunkL(TPtr8& /*aChunk*/)
       
   113 	{
       
   114 	return NULL;
       
   115 	}
       
   116 
       
   117 EXPORT_C const TMTPTypeFlatBase::TElementInfo& TPTPIPTypeStartDataPayload::ElementInfo(TInt aElementId) const
       
   118 	{
       
   119 	return iElementInfo[aElementId];
       
   120 	}
       
   121