sensorservices/sensorserver/src/server/sensrvmessage.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:53:00 +0200
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/*
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* Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Sensor server message wrapper
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*
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*/
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#include "sensrvdefines.h"
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#include "sensrvtrace.h"
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#include "sensrvmessage.h"
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#include "sensrvsession.h"
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#include "sensrvclientserver.h"
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// -----------------------------------------------------------------------------
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// Two-phased constructor for external message.
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// -----------------------------------------------------------------------------
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//
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CSensrvMessage* CSensrvMessage::NewL()
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::NewL()" ) ) );
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    CSensrvMessage* self = new( ELeave ) CSensrvMessage();
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    // No ConstructL as nothing to do there
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::NewL - return 0x%x" ), self ) );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CSensrvMessage::CSensrvMessage
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// C++ constructor for external message
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// -----------------------------------------------------------------------------
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//
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CSensrvMessage::CSensrvMessage()
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::CSensrvMessage()" ) ) );
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::CSensrvMessage - return" )) );
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    }
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// ---------------------------------------------------------
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// Destructor, completes message with error if not yet done so
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// ---------------------------------------------------------
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//
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CSensrvMessage::~CSensrvMessage()
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::~CSensrvMessage()" ) ) );
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    // if message is not yet completed, complete with error. 
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    // This should never happen if everything works properly
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    if ( iMessage.Handle() )
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        {
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        ERROR_TRACE( ( _L( "Sensor Server - CSensrvMessage::~CSensrvMessage() - ERROR: External message not completed before destruction."  ) ) );
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        iMessage.Complete(KErrGeneral);
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        }
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::~CSensrvMessage - return" ) ) );
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    }
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// -----------------------------------------------------------------------------
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// Initializes the message
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// -----------------------------------------------------------------------------
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//
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void CSensrvMessage::Initialize(const RMessage2& aMessage)
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::Initialize()" ) ) );
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    if (iMessage.Handle())
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        {
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        ERROR_TRACE( ( _L( "Sensor Server - CSensrvMessage::Initialize - ERROR: Previous message not completed, canceling it" ) ) );
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        iMessage.Complete(KErrCancel);
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        }
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    iMessage = aMessage;
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::Initialize - return") ) );
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    }
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// -----------------------------------------------------------------------------
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// Completes the message
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// -----------------------------------------------------------------------------
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//
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void CSensrvMessage::Complete(TInt aReason)
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::Complete(%d)" ), aReason ) );
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    iMessage.Complete(aReason);
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::Complete - return" )) );
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    }
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// -----------------------------------------------------------------------------
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// Returns the session handling this message
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// -----------------------------------------------------------------------------
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//
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CSensrvSession* CSensrvMessage::Session()
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    {
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    CSensrvSession* session = NULL;
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   113
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    session = static_cast<CSensrvSession*>(iMessage.Session());
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   115
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::Session - return 0x%x" ), session ) );
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   117
    
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    return session;
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    }
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   120
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// -----------------------------------------------------------------------------
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// Writes data to message
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// -----------------------------------------------------------------------------
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//
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TInt CSensrvMessage::Write(TInt aParam, const TDesC8& aDes, TInt aOffset)
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::WriteL(aParam: %d, <descriptor>, aOffset: %d)" ), aParam, aOffset ) );
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   128
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#ifdef COMPONENT_TRACE_DEBUG
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    TInt len = aDes.Length();
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       const TUint8* currentByte(aDes.Ptr());
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    HBufC* str = HBufC::New(len*6 + 20);
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    if (str)
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        {
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        str->Des().Append(_L("### <descriptor>: 0x"));
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        for (TInt j=0;j<len;j++)
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            {
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            str->Des().AppendNumUC(*currentByte, EHex);
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            if ( j < (len-1) )
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                {
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                if ( (j%8) == 7 )
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                    {
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                    COMPONENT_TRACE((*str));
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                    str->Des().Delete(0, 1000);
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                    str->Des().Append(_L("###             : 0x"));
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                    }
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                else
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                    {
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                    str->Des().Append(_L(", 0x"));
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                    }
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                }        
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            currentByte++;    
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            }
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        COMPONENT_TRACE((*str));
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        delete str;
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        str = NULL;
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        }
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#endif    
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    TInt err(KErrNone);
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    err = iMessage.Write(aParam, aDes, aOffset);
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   164
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::WriteL - return %d" ), err ) );
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    return err;
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    }
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   169
    
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// -----------------------------------------------------------------------------
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// Gets maximum lenght of descriptor in specified index
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// -----------------------------------------------------------------------------
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//
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TInt CSensrvMessage::GetDesMaxLength(TInt aParam) const
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetDesMaxLengthL(%d)" ), aParam ) );
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    TInt length(0);
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   179
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    length = iMessage.GetDesMaxLength(aParam);
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   181
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetDesMaxLengthL - return: %d" ), length) );
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   183
    
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    return length;
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    }    
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// -----------------------------------------------------------------------------
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// Gets lenght of descriptor in specified index
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// -----------------------------------------------------------------------------
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//
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TInt CSensrvMessage::GetDesLength(TInt aParam) const
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    {
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetDesLength(%d)" ), aParam ) );
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   194
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    TInt lenght(0);
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   196
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    lenght = iMessage.GetDesLength(aParam);
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   198
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetDesLength - return: %d" ), lenght) );
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   200
    
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    return lenght;
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    }    
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   203
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   204
// -----------------------------------------------------------------------------
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// Gets maximum lenght of descriptor in specified index
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// -----------------------------------------------------------------------------
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//
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TSecureId CSensrvMessage::SecureId() const    
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    {
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    TUint32 sid(0);
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   211
    
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    sid = iMessage.SecureId();
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   213
    
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    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::SecureId - return 0x%x" ), sid ) );    
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   215
    
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    return TSecureId(sid);    
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    }
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   218
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// -----------------------------------------------------------------------------
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// Read data from wrapped message. 
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// -----------------------------------------------------------------------------
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//     
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TInt CSensrvMessage::Read( const TInt aParam, TDes8 &aDes ) const
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   224
    {
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   225
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::ReadL(aParam: %d, <descriptor>)" ), aParam ) );
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   226
    
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   227
    TInt err(KErrNone);
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   228
    
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   229
    err = iMessage.Read( aParam, aDes );
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parents:
diff changeset
   230
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   231
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::ReadL - return %d" ), err) );    
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   232
    
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   233
    return err;
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   234
    }
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parents:
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   235
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   236
// -----------------------------------------------------------------------------
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   237
// Read integer data from wrapped message. 
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   238
// -----------------------------------------------------------------------------
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   239
//     
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   240
void CSensrvMessage::ReadInt( const TInt aParam, TInt &aInt ) const
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   241
    {
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   242
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::ReadInt(aParam: %d, <target>)" ), aParam ) );
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parents:
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   243
    
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   244
    switch(aParam)
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   245
        {
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   246
        case 0:
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   247
            aInt = iMessage.Int0();
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   248
            break;
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   249
        case 1:
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   250
            aInt = iMessage.Int1();
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   251
            break;
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   252
        case 2:
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   253
            aInt = iMessage.Int2();
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   254
            break;
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parents:
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   255
        case 3:
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   256
            aInt = iMessage.Int3();
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   257
            break;
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parents:
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   258
        default:
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parents:
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   259
            User::Panic(KSensrvPanicCategory, ESensrvPanicOutOfBounds);
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   260
            break;               
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parents:
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   261
        }
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parents:
diff changeset
   262
        
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parents:
diff changeset
   263
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::ReadInt - return, aInt: %d" ), aInt) );    
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parents:
diff changeset
   264
    }
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parents:
diff changeset
   265
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parents:
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   266
// ---------------------------------------------------------------------------
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   267
// Gets channel id from message. 
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   268
// ---------------------------------------------------------------------------
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parents:
diff changeset
   269
//
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parents:
diff changeset
   270
TInt CSensrvMessage::GetChannelId(TSensrvChannelId& aChannelId) const    
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parents:
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   271
    {
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parents:
diff changeset
   272
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetChannelId(<retval>)" ) ) );
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parents:
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   273
    
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parents:
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   274
    TInt err(KErrNone);
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parents:
diff changeset
   275
    
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parents:
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   276
    // Make sure message type supports channel id.
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parents:
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   277
    TInt function = Function();
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parents:
diff changeset
   278
    
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parents:
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   279
    if (   function == ESensrvSrvReqOpenChannel 
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parents:
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   280
        || function == ESensrvSrvReqCloseChannel 
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parents:
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   281
        || function == ESensrvSrvReqStartListening 
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parents:
diff changeset
   282
        || function == ESensrvSrvReqStopListening 
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parents:
diff changeset
   283
        || function == ESensrvSrvReqAsyncChannelData
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parents:
diff changeset
   284
        || function == ESensrvSrvReqGetProperty
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parents:
diff changeset
   285
        || function == ESensrvSrvReqSetProperty
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parents:
diff changeset
   286
        || function == ESensrvSrvReqAsyncPropertyData
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parents:
diff changeset
   287
        || function == ESensrvSrvReqStopPropertyListening
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   288
        || function == ESensrvSrvReqGetAllProperties 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
        || function == ESensrvSrvReqAddConditionSet
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
        || function == ESensrvSrvReqRemoveConditionSet
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
        || function == ESensrvSrvReqStartConditionListening
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
        || function == ESensrvSrvReqStopConditionListening
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
        || function == ESensrvSrvReqAsyncConditionMet
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
       )
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
        {
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   296
        // Read required channel id from message
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
        // Channel id is always on message parameter KSensrvChannelIdSlot, i.e. slot zero.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
        aChannelId = iMessage.Int0();
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   299
        }
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parents:
diff changeset
   300
    else
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
        err = KErrNotSupported;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
        }
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   304
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetChannelId - return %d, channel id: %d" ), err, aChannelId) );
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parents:
diff changeset
   306
    
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parents:
diff changeset
   307
    return err;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
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parents:
diff changeset
   310
// ---------------------------------------------------------------------------
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parents:
diff changeset
   311
// Gets client security info from message. 
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parents:
diff changeset
   312
// ---------------------------------------------------------------------------
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parents:
diff changeset
   313
//
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
void CSensrvMessage::GetSecurityInfo(TSecurityInfo& aSecurityInfo) const    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
    {
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetSecurityInfo(<retval>)" ) ) );
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   317
    
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   318
    // Read required channel id from message
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
    aSecurityInfo.Set(iMessage);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
    COMPONENT_TRACE( ( _L( "Sensor Server - CSensrvMessage::GetSecurityInfo - return" ) ) );
4e1aa6a622a0 Revision: 201003
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parents:
diff changeset
   322
    }
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323