1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).

     1 // Copyright (c) 1994-2010 Nokia Corporation and/or its subsidiary(-ies).

   273 	if (aLength2 > 0)

   276 	if (aLength2>0)

   274 		{

   277 		xtra = PadValue(aLength2);		// Round data upto a multiple of 4

   275 		xtra = 4 - (aLength2&0x3);		// Round data upto a multiple of 4

   276 		if (xtra==4)

   277 			{

   278 			xtra=0;

   279 			}

   280 		}

   328 	if (aLength2 > 0)

   325 	if (aLength2>0 && aData2!=NULL)

   333 

   330 #if defined(_DEBUG)

   331 	else if (aLength2>0 && aData2==NULL)

   332 		{

   333 		iAppendDataLength = aLength2;

   334 		}

   335 #endif

   346 void RWsBuffer::Write(TInt handle,TUint opcode,const TAny *pData, TInt length)

   348 /**

   347 	{

   349 Writes data sent in aData of length aLength1 for the specifed aOpcode

   348 	DoWrite(handle, opcode, iAutoFlush, NULL, pData, length);

   350 into wserv buffer. It also takes an TIpcArgs by which you can send additional 

   349 	}

   351 data. But one thing needs to be noted that if aIpcArgs has some content then 

   350 

   352 this function flushes the wserv buffer.

   351 void RWsBuffer::Write(TInt handle,TUint opcode,const TAny *pData, TInt length,const TAny *pData2, TInt length2)

   353 

   352 	{

   354 @param aHandle aHandle of class derived from MWsClientClass

   353 	DoWrite(handle, opcode, iAutoFlush, NULL, pData, length, pData2, length2);

   355 @param aOpcode Opcode for the current command

   356 @param aData Data to be added to the buffer

   357 @param aLength Length of the data to be added to buffer

   358 @param aIpcArgs Additional data sent from client to server. It has default argument NULL.

   359 				And if some data is sent in aIpcArgs, it flushes wserv buffer

   360 */

   361 void RWsBuffer::Write(TInt aHandle, TUint aOpcode, const TAny *aData, TInt aLength, const TIpcArgs* aIpcArgs/*=NULL*/)

   362 	{

   363 	TBool flush = (aIpcArgs != NULL ? ETrue : iAutoFlush);	// If aIpcArgs contains data then we do explicit flush

   364 	DoWrite(aHandle, aOpcode, flush, aIpcArgs, aData, aLength);

   365 	}

   366 

   367 /**

   368 Writes data sent in aData and aData2 of lengths aLength1 and aLength2 

   369 for the specifed aOpcode into wserv buffer. It also takes an TIpcArgs by which 

   370 you can send additional data. But one thing needs to be noted that if aIpcArgs 

   371 has some content then this function flushes the wserv buffer.

   372 

   373 @param aHandle Handle of class derived from MWsClientClass

   374 @param aOpcode Opcode for the current command

   375 @param aData Data to be added to the buffer

   376 @param aLength Length of the data to be added to buffer

   377 @param aData2 second Data to be added to the buffer

   378 @param aLength2 Length of the second data to be added to buffer

   379 @param aIpcArgs Additional data sent from client to server. It has default argument NULL.

   380 				And if some data is sent in aIpcArgs, it flushes wserv buffer

   381 */

   382 void RWsBuffer::Write(TInt aHandle, TUint aOpcode, const TAny *aData, TInt aLength, const TAny *aData2, TInt aLength2, const TIpcArgs* aIpcArgs/*=NULL*/)

   383 	{

   384 	__ASSERT_DEBUG(!((aIpcArgs != NULL) &&  (aLength2 > 0 && aData2 == NULL)), Assert(EW32AssertBufferLogic));

   385 	TBool flush = iAutoFlush;

   386 	if (aLength2 > 0 && aData2 == NULL)

   387 		{

   388 		flush = EFalse;		// if just length2 is sent then we should not flush

   389 		}

   390 	else if (aIpcArgs != NULL)

   391 		{

   392 		flush = ETrue;		// If aIpcArgs contains data then we do explicit flush

   393 		}

   394 	DoWrite(aHandle, aOpcode, flush, aIpcArgs, aData, aLength, aData2, aLength2);

   395 	}

   396 

   397 /**

   398 Appends data directly to wserv buffer for the current command. So this function 

   399 should be used after adding the current command. 

   400 

   401 @param aData Data to be added to the buffer

   402 @param aLength Length of the data to be added to buffer. Make sure that its length

   403 		is less than availabe buffer.

   404 @param aFinished EFalse, adds data to buffer and disables flushing even if auto flush is on, 

   405 				 basically this notfies that more data is pending to be added.

   406 				 ETrue, adds data to buffer and resume normal service for flushing

   407 				 ie. Signals that this is the last bit of data to be added

   408 

   409 Note: When data is added using this API, it pads out buffer to multiple of 4 bytes  

   410 */

   411 void RWsBuffer::AppendData(const TAny *aData,TInt aLength,TBool aFinished)

   412 	{

   413 	__ASSERT_ALWAYS(iBuf.MaxLength()-iBuf.Length()>=PaddedValue(aLength),Assert(EW32AssertBufferLogic));

   414 #if defined(_DEBUG)

   415 	// Check if this function is called only after setting iAppendDataLength

   416 	__ASSERT_DEBUG(iAppendDataLength > 0, Assert(EW32AssertBufferLogic));

   417 	// Check if length passed in is less then iAppendDataLength

   418 	__ASSERT_DEBUG(iAppendDataLength >= aLength, Assert(EW32AssertBufferLogic));

   419 	if (aFinished)

   420 		iAppendDataLength = 0; 

   421 	else

   422 		iAppendDataLength -= aLength;

   423 #endif

   424 	iBuf.Append((TUint8*)(aData),aLength);

   425 	iBuf.AppendFill(0,PadValue(iBuf.Length()));		// Padout out buffer to multiple of 4 bytes

   426 	if (aFinished && iAutoFlush)

   427 		Flush(NULL);