PECengine/CoreUtilsLib2/SrvSrc/RPEngMessage.cpp
changeset 0 094583676ce7
equal deleted inserted replaced
-1:000000000000 0:094583676ce7
       
     1 /*
       
     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  RMessage2 wrapper holding general message utils.
       
    15 *
       
    16 */
       
    17 
       
    18 //  INCLUDES
       
    19 #include "RPEngMessage.h"
       
    20 #include "PEngMessagePacker.h"
       
    21 
       
    22 
       
    23 // MACROS
       
    24 /*
       
    25 #define __CHECK_CLIENT_PART_\
       
    26 	RThread client;\
       
    27 	CleanupClosePushL( client );\
       
    28 	iMessage.ClientL( client );\
       
    29 	TInt exitType( client.ExitType() );\
       
    30 	CleanupStack::PopAndDestroy();\
       
    31 	if ( exitType != EExitPending )\
       
    32 	    {\
       
    33 		return;\
       
    34 	    }
       
    35 
       
    36 #define __CHECK_CLIENT_PART_INT\
       
    37 	RThread client;\
       
    38 	CleanupClosePushL( client );\
       
    39 	iMessage.ClientL( client );\
       
    40 	TInt exitType( client.ExitType() );\
       
    41 	CleanupStack::PopAndDestroy();\
       
    42 	if ( exitType != EExitPending )\
       
    43 	    {\
       
    44 		return EFalse;\
       
    45 	    }
       
    46 
       
    47 #define __CHECK_CLIENT_PART_LEAVE\
       
    48 	RThread client;\
       
    49 	CleanupClosePushL( client );\
       
    50 	iMessage.ClientL( client );\
       
    51 	TInt exitType( client.ExitType() );\
       
    52 	if ( exitType != EExitPending )\
       
    53 	    {\
       
    54 		User::Leave( KErrGeneral );\
       
    55 	    }\
       
    56 	CleanupStack::PopAndDestroy();
       
    57 */
       
    58 #define __CHECK_CLIENT_PART_
       
    59 #define __CHECK_CLIENT_PART_INT
       
    60 #define __CHECK_CLIENT_PART_LEAVE
       
    61 
       
    62 
       
    63 // ====================== MEMBER FUNCTIONS ======================================
       
    64 // -----------------------------------------------------------------------------
       
    65 // RPEngMessage::RPEngMessage()
       
    66 // C++ default constructor can NOT contain any code, that
       
    67 // might leave.
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 EXPORT_C RPEngMessage::RPEngMessage()
       
    71         : iMessageValid( EFalse )
       
    72     {
       
    73     }
       
    74 
       
    75 
       
    76 // -----------------------------------------------------------------------------
       
    77 // RPEngMessage::RPEngMessage
       
    78 // C++ constructor can NOT contain any code, that
       
    79 // might leave.
       
    80 // -----------------------------------------------------------------------------
       
    81 //
       
    82 EXPORT_C RPEngMessage::RPEngMessage( const RMessage2& aMessage )
       
    83         : iMessageValid( ETrue ),
       
    84         iMessage( aMessage )
       
    85     {
       
    86     }
       
    87 
       
    88 
       
    89 // -----------------------------------------------------------------------------
       
    90 // RPEngMessage::RPEngMessage()
       
    91 // C++ constructor can NOT contain any code, that
       
    92 // might leave.
       
    93 // -----------------------------------------------------------------------------
       
    94 //
       
    95 EXPORT_C RPEngMessage::RPEngMessage( const RPEngMessage& aMyMessage )
       
    96         : iMessageValid( aMyMessage.iMessageValid ),
       
    97         iMessage( aMyMessage.iMessage )
       
    98     {
       
    99     }
       
   100 
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // RPEngMessage::RPEngMessage()
       
   104 // C++ assignment operator can NOT contain any code, that
       
   105 // might leave.
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 EXPORT_C RPEngMessage& RPEngMessage::operator=(
       
   109     const RPEngMessage & aMessage )
       
   110     {
       
   111     iMessageValid = ETrue;
       
   112     iMessage = aMessage.iMessage;
       
   113     return( *this );
       
   114     }
       
   115 
       
   116 
       
   117 // Destructor
       
   118 EXPORT_C RPEngMessage::~RPEngMessage()
       
   119     {
       
   120     }
       
   121 
       
   122 
       
   123 
       
   124 // =============================================================================
       
   125 // =================== Message compete / validation ============================
       
   126 // =============================================================================
       
   127 
       
   128 // -----------------------------------------------------------------------------
       
   129 // RPEngMessage::MessageValid()
       
   130 // Check if client message is still valid
       
   131 // -----------------------------------------------------------------------------
       
   132 //
       
   133 EXPORT_C TBool RPEngMessage::MessageValid() const
       
   134     {
       
   135     if ( !iMessageValid )
       
   136         {
       
   137         return iMessageValid;
       
   138         }
       
   139     __CHECK_CLIENT_PART_INT;
       
   140     return iMessageValid;
       
   141     }
       
   142 
       
   143 
       
   144 // -----------------------------------------------------------------------------
       
   145 // RPEngMessage::Complete()
       
   146 // -----------------------------------------------------------------------------
       
   147 //
       
   148 EXPORT_C void RPEngMessage::Complete( TInt aReason ) const
       
   149     {
       
   150     if ( iMessageValid )
       
   151         {
       
   152         __CHECK_CLIENT_PART_;
       
   153         iMessage.Complete( aReason );
       
   154         }
       
   155 
       
   156     // Once message is completed,
       
   157     // Set flag to empty ==> multiple completing of message do not harm
       
   158     ( const_cast<RPEngMessage*>( this ) )->iMessageValid = EFalse;
       
   159     }
       
   160 
       
   161 
       
   162 
       
   163 
       
   164 // =============================================================================
       
   165 // ================== General message read/write utils =========================
       
   166 // =============================================================================
       
   167 
       
   168 
       
   169 // -----------------------------------------------------------------------------
       
   170 // RPEngMessage::DesLength()
       
   171 // -----------------------------------------------------------------------------
       
   172 //
       
   173 EXPORT_C TInt RPEngMessage::DesLength( TInt aParam ) const
       
   174     {
       
   175     __CHECK_CLIENT_PART_INT;
       
   176     return iMessage.GetDesLength( aParam );
       
   177     }
       
   178 
       
   179 
       
   180 // -----------------------------------------------------------------------------
       
   181 // RPEngMessage::DesMaxLength()
       
   182 // -----------------------------------------------------------------------------
       
   183 //
       
   184 EXPORT_C TInt RPEngMessage::DesMaxLength( TInt aParam ) const
       
   185     {
       
   186     __CHECK_CLIENT_PART_INT;
       
   187     return iMessage.GetDesMaxLength( aParam );
       
   188     }
       
   189 
       
   190 
       
   191 // -----------------------------------------------------------------------------
       
   192 // RPEngMessage::ReadOneDescriptor16L()
       
   193 // -----------------------------------------------------------------------------
       
   194 //
       
   195 EXPORT_C HBufC16* RPEngMessage::ReadOneDescriptor16L( TInt aParam ) const
       
   196     {
       
   197     HBufC16* desBuf = ReadOneDescriptor16LC( aParam );
       
   198     CleanupStack::Pop(); // desBuf
       
   199     return desBuf;
       
   200     }
       
   201 
       
   202 
       
   203 // -----------------------------------------------------------------------------
       
   204 // RPEngMessage::ReadOneDescriptor16L()
       
   205 // -----------------------------------------------------------------------------
       
   206 //
       
   207 EXPORT_C HBufC16* RPEngMessage::ReadOneDescriptor16LC( TInt aParam ) const
       
   208     {
       
   209     __CHECK_CLIENT_PART_LEAVE;
       
   210     TInt length( DesLength( aParam ) );
       
   211     if ( length < 0 )
       
   212         {
       
   213         User::Leave( length );
       
   214         }
       
   215     HBufC16* desBuf = HBufC16::NewLC( length );
       
   216     TPtr des = desBuf->Des();
       
   217     iMessage.ReadL( aParam, des );
       
   218     return desBuf;
       
   219     }
       
   220 
       
   221 
       
   222 // -----------------------------------------------------------------------------
       
   223 // RPEngMessage::ReadOneDescriptor()
       
   224 // -----------------------------------------------------------------------------
       
   225 //
       
   226 EXPORT_C TInt RPEngMessage::ReadOneDescriptor( TInt aParam,
       
   227                                                HBufC16*& aDes  ) const
       
   228     {
       
   229     __CHECK_CLIENT_PART_LEAVE;
       
   230     TInt length( DesLength( aParam ) );
       
   231     if ( length < KErrNone )
       
   232         {
       
   233         return length;
       
   234         }
       
   235 
       
   236     aDes = HBufC16::New( length );
       
   237     if ( !aDes )
       
   238         {
       
   239         return KErrNoMemory;
       
   240         }
       
   241 
       
   242     TPtr des = aDes->Des();
       
   243     return iMessage.Read( aParam, des );
       
   244     }
       
   245 
       
   246 // -----------------------------------------------------------------------------
       
   247 // RPEngMessage::ReadOneDescriptor()
       
   248 // -----------------------------------------------------------------------------
       
   249 //
       
   250 EXPORT_C void RPEngMessage::ReadOneDescriptorL( TInt aParam,
       
   251                                                 RBuf& aDes ) const
       
   252     {
       
   253     __CHECK_CLIENT_PART_LEAVE;
       
   254     TInt length( DesLength( aParam ) );
       
   255     User::LeaveIfError( length );
       
   256     if ( length > aDes.MaxLength() )
       
   257         {
       
   258         aDes.ReAllocL( length );
       
   259         }
       
   260     aDes.Zero();
       
   261     return iMessage.ReadL( aParam, aDes );
       
   262     }
       
   263 
       
   264 // -----------------------------------------------------------------------------
       
   265 // RPEngMessage::ReadOneDescriptor8L()
       
   266 // -----------------------------------------------------------------------------
       
   267 //
       
   268 EXPORT_C HBufC8* RPEngMessage::ReadOneDescriptor8L( TInt aParam ) const
       
   269     {
       
   270     __CHECK_CLIENT_PART_LEAVE;
       
   271     HBufC8* desBuf = ReadOneDescriptor8LC( aParam );
       
   272     CleanupStack::Pop( desBuf );
       
   273     return desBuf;
       
   274     }
       
   275 
       
   276 
       
   277 // -----------------------------------------------------------------------------
       
   278 // RPEngMessage::ReadOneDescriptor8LC()
       
   279 // -----------------------------------------------------------------------------
       
   280 //
       
   281 EXPORT_C HBufC8* RPEngMessage::ReadOneDescriptor8LC( TInt aParam ) const
       
   282     {
       
   283     __CHECK_CLIENT_PART_LEAVE;
       
   284     TInt length( DesLength( aParam ) );
       
   285     if ( length < 0 )
       
   286         {
       
   287         User::Leave( length );
       
   288         }
       
   289 
       
   290     HBufC8* desBuf = HBufC8::NewLC( length );
       
   291     TPtr8 des = desBuf->Des();
       
   292     iMessage.ReadL( aParam, des );
       
   293 
       
   294     return desBuf;
       
   295     }
       
   296 
       
   297 
       
   298 // -----------------------------------------------------------------------------
       
   299 // RPEngMessage::ReadOneDescriptor()
       
   300 // -----------------------------------------------------------------------------
       
   301 //
       
   302 EXPORT_C TInt RPEngMessage::ReadOneDescriptor( TInt aParam,
       
   303                                                HBufC8*& aDes ) const
       
   304     {
       
   305     __CHECK_CLIENT_PART_LEAVE;
       
   306     TInt length( DesLength( aParam ) );
       
   307     if ( length < KErrNone )
       
   308         {
       
   309         return length;
       
   310         }
       
   311 
       
   312     aDes = HBufC8::New( length );
       
   313     if ( !aDes )
       
   314         {
       
   315         return KErrNoMemory;
       
   316         }
       
   317 
       
   318     TPtr8 des = aDes->Des();
       
   319     return iMessage.Read( aParam, des );
       
   320     }
       
   321 
       
   322 // -----------------------------------------------------------------------------
       
   323 // RPEngMessage::ReadOneDescriptor()
       
   324 // -----------------------------------------------------------------------------
       
   325 //
       
   326 EXPORT_C void RPEngMessage::ReadOneDescriptorL( TInt aParam,
       
   327                                                 RBuf8& aDes ) const
       
   328     {
       
   329     __CHECK_CLIENT_PART_LEAVE;
       
   330     TInt length( DesLength( aParam ) );
       
   331     User::LeaveIfError( length );
       
   332     if ( length > aDes.MaxLength() )
       
   333         {
       
   334         aDes.ReAllocL( length );
       
   335         }
       
   336     aDes.Zero();
       
   337     return iMessage.ReadL( aParam, aDes );
       
   338     }
       
   339 
       
   340 // -----------------------------------------------------------------------------
       
   341 // RPEngMessage::WriteOneDescriptorL()
       
   342 // -----------------------------------------------------------------------------
       
   343 //
       
   344 EXPORT_C void RPEngMessage::WriteOneDescriptorL( TInt aParam,
       
   345                                                  const TDesC16& aDes,
       
   346                                                  TInt aOffset /* 0 */ ) const
       
   347     {
       
   348     __CHECK_CLIENT_PART_LEAVE;
       
   349     iMessage.WriteL( aParam, aDes, aOffset );
       
   350     }
       
   351 
       
   352 
       
   353 // -----------------------------------------------------------------------------
       
   354 // RPEngMessage::WriteOneDescriptor()
       
   355 // -----------------------------------------------------------------------------
       
   356 //
       
   357 EXPORT_C TInt RPEngMessage::WriteOneDescriptor( TInt aParam,
       
   358                                                 const TDesC16& aDes,
       
   359                                                 TInt aOffset /* 0 */ ) const
       
   360     {
       
   361     __CHECK_CLIENT_PART_LEAVE;
       
   362     return iMessage.Write( aParam, aDes, aOffset );
       
   363     }
       
   364 
       
   365 
       
   366 // -----------------------------------------------------------------------------
       
   367 // RPEngMessage::WriteOneDescriptorL()
       
   368 // -----------------------------------------------------------------------------
       
   369 //
       
   370 EXPORT_C void RPEngMessage::WriteOneDescriptorL( TInt aParam,
       
   371                                                  const TDesC8& aDes,
       
   372                                                  TInt aOffset /* 0 */ ) const
       
   373     {
       
   374     __CHECK_CLIENT_PART_LEAVE;
       
   375     iMessage.WriteL( aParam, aDes, aOffset );
       
   376     }
       
   377 
       
   378 
       
   379 // -----------------------------------------------------------------------------
       
   380 // RPEngMessage::WriteOneDescriptor(
       
   381 // -----------------------------------------------------------------------------
       
   382 //
       
   383 EXPORT_C TInt RPEngMessage::WriteOneDescriptor( TInt aParam,
       
   384                                                 const TDesC8& aDes,
       
   385                                                 TInt aOffset /* 0 */ ) const
       
   386     {
       
   387     __CHECK_CLIENT_PART_LEAVE;
       
   388     return iMessage.Write( aParam, aDes, aOffset );
       
   389     }
       
   390 
       
   391 
       
   392 
       
   393 
       
   394 
       
   395 // =============================================================================
       
   396 // =========== message read/write descriptor array functions ===================
       
   397 // =============================================================================
       
   398 
       
   399 
       
   400 // -----------------------------------------------------------------------------
       
   401 // RPEngMessage::ReadDescriptorArrayCount
       
   402 // -----------------------------------------------------------------------------
       
   403 //
       
   404 EXPORT_C TInt RPEngMessage::ReadDescriptorArrayCountL( TInt aParam ) const
       
   405     {
       
   406     __CHECK_CLIENT_PART_LEAVE;
       
   407     // read just first element where is stored info about the count
       
   408     TBuf<1> buf;
       
   409     iMessage.ReadL( aParam, buf );
       
   410     return PEngMessagePacker::DesArrayCount( buf );
       
   411     }
       
   412 
       
   413 
       
   414 // -----------------------------------------------------------------------------
       
   415 // RPEngMessage::ReadFirstDescriptorFromArrayL()
       
   416 // -----------------------------------------------------------------------------
       
   417 //
       
   418 EXPORT_C HBufC16* RPEngMessage::ReadFirstDescriptorFromArrayL( TInt aParam ) const
       
   419     {
       
   420     HBufC16* desBuf = ReadOneDescriptor16LC( aParam );
       
   421     HBufC16* ret = PEngMessagePacker::UnpackFirstDesFromArrayL( *desBuf );
       
   422     CleanupStack::PopAndDestroy(); // desBuf
       
   423     return ret;
       
   424     }
       
   425 
       
   426 
       
   427 // -----------------------------------------------------------------------------
       
   428 // RPEngMessage::ReadDescriptorArrayL
       
   429 // -----------------------------------------------------------------------------
       
   430 //
       
   431 EXPORT_C void RPEngMessage::ReadDescriptorArrayL(
       
   432     TInt aParam,
       
   433     CDesCArray& aTargetArray ) const
       
   434     {
       
   435     HBufC16* desBuf = ReadOneDescriptor16LC( aParam );
       
   436     PEngMessagePacker::UnpackDesArrayL( *desBuf, aTargetArray );
       
   437     CleanupStack::PopAndDestroy(); // desBuf
       
   438     }
       
   439 
       
   440 // -----------------------------------------------------------------------------
       
   441 // RPEngMessage::ReadDescriptorArrayL
       
   442 // -----------------------------------------------------------------------------
       
   443 //
       
   444 EXPORT_C HBufC* RPEngMessage::ReadDescriptorArrayLC(
       
   445     TInt aParam,
       
   446     CPtrCArray& aTargetArray ) const
       
   447     {
       
   448     HBufC16* desBuf = ReadOneDescriptor16LC( aParam );
       
   449     PEngMessagePacker::UnpackDesArrayL( *desBuf, aTargetArray );
       
   450     return desBuf;
       
   451     }
       
   452 
       
   453 // -----------------------------------------------------------------------------
       
   454 // RPEngMessage::WriteDescriptorArrayL(
       
   455 // -----------------------------------------------------------------------------
       
   456 //
       
   457 EXPORT_C void RPEngMessage::WriteDescriptorArrayL(
       
   458     TInt aParam,
       
   459     const MDesCArray& aSourceArray ) const
       
   460     {
       
   461     HBufC16* bufDes = PEngMessagePacker::PackDesArrayL( aSourceArray );
       
   462     CleanupStack::PushL( bufDes );
       
   463     WriteOneDescriptorL( aParam, *bufDes );
       
   464     CleanupStack::PopAndDestroy( ); //bufDes
       
   465     }
       
   466 
       
   467 
       
   468 
       
   469 
       
   470 // =============================================================================
       
   471 // =========== message read/write RArray<TInt> functions =======================
       
   472 // =============================================================================
       
   473 
       
   474 // -----------------------------------------------------------------------------
       
   475 // RPEngMessage::WriteTIntArrayL
       
   476 // -----------------------------------------------------------------------------
       
   477 //
       
   478 EXPORT_C void RPEngMessage::WriteTIntArrayL(
       
   479     TInt aParam,
       
   480     RArray<TInt>& aTargetArray ) const
       
   481     {
       
   482     HBufC16* desBuf = PEngMessagePacker::PackTIntArrayL( aTargetArray );
       
   483     CleanupStack::PushL( desBuf );
       
   484     WriteOneDescriptorL( aParam, *desBuf );
       
   485     CleanupStack::PopAndDestroy( ); // desBuf
       
   486     }
       
   487 
       
   488 
       
   489 
       
   490 // =============================================================================
       
   491 // =========== RMessage2 take over functions ===================================
       
   492 // =============================================================================
       
   493 
       
   494 // -----------------------------------------------------------------------------
       
   495 // RPEngMessage::Int0()
       
   496 // -----------------------------------------------------------------------------
       
   497 //
       
   498 EXPORT_C TInt RPEngMessage::Int0() const
       
   499     {
       
   500     return iMessage.Int0();
       
   501     }
       
   502 
       
   503 
       
   504 // -----------------------------------------------------------------------------
       
   505 // RPEngMessage::Int1()
       
   506 // -----------------------------------------------------------------------------
       
   507 //
       
   508 EXPORT_C TInt RPEngMessage::Int1() const
       
   509     {
       
   510     return iMessage.Int1();
       
   511     }
       
   512 
       
   513 
       
   514 // -----------------------------------------------------------------------------
       
   515 // RPEngMessage::Int2()
       
   516 // -----------------------------------------------------------------------------
       
   517 //
       
   518 EXPORT_C TInt RPEngMessage::Int2() const
       
   519     {
       
   520     return iMessage.Int2();
       
   521     }
       
   522 
       
   523 
       
   524 // -----------------------------------------------------------------------------
       
   525 // RPEngMessage::Int3()
       
   526 // -----------------------------------------------------------------------------
       
   527 //
       
   528 EXPORT_C TInt RPEngMessage::Int3() const
       
   529     {
       
   530     return iMessage.Int3();
       
   531     }
       
   532 
       
   533 
       
   534 // -----------------------------------------------------------------------------
       
   535 // RPEngMessage::Panic()
       
   536 // -----------------------------------------------------------------------------
       
   537 //
       
   538 EXPORT_C void RPEngMessage::Panic( const TDesC& aCategory,
       
   539                                    TInt aReason ) const
       
   540     {
       
   541     iMessage.Panic( aCategory, aReason );
       
   542     }
       
   543 
       
   544 // -----------------------------------------------------------------------------
       
   545 // RPEngMessage::Kill()
       
   546 // -----------------------------------------------------------------------------
       
   547 //
       
   548 EXPORT_C void RPEngMessage::Kill( TInt aReason ) const
       
   549     {
       
   550     iMessage.Kill( aReason );
       
   551     }
       
   552 
       
   553 
       
   554 // -----------------------------------------------------------------------------
       
   555 // RPEngMessage::Terminate()
       
   556 // -----------------------------------------------------------------------------
       
   557 //
       
   558 EXPORT_C void RPEngMessage::Terminate( TInt aReason ) const
       
   559     {
       
   560     iMessage.Terminate( aReason );
       
   561     }
       
   562 
       
   563 
       
   564 // -----------------------------------------------------------------------------
       
   565 // RPEngMessage::Function()
       
   566 // -----------------------------------------------------------------------------
       
   567 //
       
   568 EXPORT_C TInt RPEngMessage::Function() const
       
   569     {
       
   570     return iMessage.Function();
       
   571     }
       
   572 
       
   573 
       
   574 // -----------------------------------------------------------------------------
       
   575 // RPEngMessage::Client()
       
   576 // -----------------------------------------------------------------------------
       
   577 //
       
   578 EXPORT_C TInt RPEngMessage::Client( RThread& aClient,
       
   579                                     TOwnerType aOwnerType ) const
       
   580     {
       
   581     return iMessage.Client( aClient, aOwnerType );
       
   582     }
       
   583 
       
   584 
       
   585 // End of File
       
   586 
       
   587