--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mediator/src/Client/MediatorCommandInitiatorBody.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,214 @@
+/*
+* Copyright (c) 2005-2007 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:  An implementation class for issuing Mediator Service commands.
+*
+*/
+
+
+// INCLUDE FILES
+#include    <e32base.h>
+#include    "MediatorCommandInitiatorBody.h"
+#include    "MediatorServerClient.h"
+#include    "Debug.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+CMediatorCommandInitiatorBody::CMediatorCommandInitiatorBody(
+                MMediatorCommandResponseObserver* aObserver )
+    : CActive( EPriorityStandard ),
+      iObserver( aObserver ),
+      iCommandDataPtr( NULL, 0 ),
+      iCategoryBuffer( iCategory ),
+      iStatusBuffer( iResponseStatus ),
+      iCommandBuffer( iCommand )
+    {
+    }
+
+void CMediatorCommandInitiatorBody::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    User::LeaveIfError( iMediatorServer.Connect() );
+    ResetDataBufferL( KMaxCommandData ); 
+    }
+
+CMediatorCommandInitiatorBody* CMediatorCommandInitiatorBody::NewL(
+                MMediatorCommandResponseObserver* aObserver )
+    {
+    CMediatorCommandInitiatorBody* self 
+                = new( ELeave ) CMediatorCommandInitiatorBody( aObserver );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+    
+CMediatorCommandInitiatorBody::~CMediatorCommandInitiatorBody()
+    {
+    Cancel();
+    iMediatorServer.Close();
+    delete iCommandData;
+    }
+
+// -----------------------------------------------------------------------------
+// CMediatorCommandInitiatorBody::DoCancel
+//  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CMediatorCommandInitiatorBody::DoCancel()
+    {
+    TRACE(Print(_L("[Mediator Server]\t CMediatorCommandInitiatorBody::DoCancel\n")));
+    iMediatorServer.Cancel();  
+    }
+
+
+
+
+
+// -----------------------------------------------------------------------------
+// CMediatorCommandInitiatorBody::IssueCommandL
+//  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CMediatorCommandInitiatorBody::IssueCommand( TUid aDomain,
+                                                  TUid aCategory, 
+                                                  TInt aCommandId,
+                                                  TVersion aVersion, 
+                                                  const TDesC8& aData )
+    {
+    TRACE(Print(_L("[Mediator Server]\t CMediatorCommandInitiatorBody::IssueCommandL\n"))); 
+    
+    // Check that we are not already active
+    if ( IsActive() )
+        {
+        ERROR_LOG(_L("[Mediator] CMediatorCommandIntiatorBody::IssueCommand: IsActive returned KErrInUse\n"));
+        return KErrInUse;
+        }
+    
+    // Initiate response waiting before command, otherwise there will be a concurrency problem
+    // with clients that issue response in command handler
+    WaitForCommandResponse();
+    
+    // Send the command to Mediator                                 
+    TInt status = iMediatorServer.IssueCommand( aDomain, 
+                                                aCategory,
+                                                aCommandId, 
+                                                aVersion,
+                                                aData );
+    
+    // Cancel command waiting request
+    if ( status != KErrNone )
+        {
+        ERROR_TRACE(Print(_L("[Mediator] CMediatorCommandIntiatorBody::IssueCommand: status=%d\n"), status ) );
+        // Cancel wait for response in server
+        iMediatorServer.CancelCommand ( aDomain, aCategory, aCommandId );
+        Cancel();
+        }
+    
+    return status;
+    }
+    
+// -----------------------------------------------------------------------------
+// CMediatorCommandInitiatorBody::CancelCommand
+//  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CMediatorCommandInitiatorBody::CancelCommand( TUid aDomain, 
+                                                        TUid aCategory, 
+                                                        TInt aCommandId )
+    {
+    TRACE(Print(_L("[Mediator Server]\t CMediatorCommandInitiatorBody::CancelCommand\n")));
+    
+    // Send the cancellation
+    iMediatorServer.CancelCommand( aDomain, aCategory, aCommandId );
+    Cancel(); // cancel also the pending request, so that subsequent commands will be served 
+    
+    }
+// -----------------------------------------------------------------------------
+// CMediatorCommandInitiatorBody::RunL
+//  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CMediatorCommandInitiatorBody::RunL()
+    {
+    TRACE(Print(_L("[Mediator Server]\t CMediatorCommandInitiatorBody::RunL status %d\n"), iStatus.Int() )); 
+    
+    // in case of error, no callbacks
+    if ( iStatus.Int() >= 0 && iObserver )
+        {
+        // Check the parameter data size. If bigger than expected, fetch it synchronously
+        TInt dataSize = iStatus.Int();
+        if ( dataSize > iCommandDataPtr.MaxLength() )
+            {
+            // Reset data buffer for bigger size
+            ResetDataBufferL( dataSize );
+            
+            // Fetch data from Mediator
+            iMediatorServer.FetchParameterData( iCommandDataPtr );
+            }
+        iObserver->CommandResponseL( iCategory.iDomain,
+                                     iCategory.iCategory,
+                                     iCommand.iCommandId, 
+                                     iResponseStatus,
+                                     *iCommandData );                                  
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMediatorCommandInitiatorBody::WaitForCommandResponse
+//  
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CMediatorCommandInitiatorBody::WaitForCommandResponse()
+    {
+    // To be sure no duplicate requests are raised
+    if ( IsActive() )
+        {
+        return;
+        }
+    iMediatorServer.WaitForCommandResponse( iStatus,
+                                            iCategoryBuffer,
+                                            iCommandBuffer,
+                                            iCommandDataPtr,
+                                            iStatusBuffer );
+    SetActive();                                            
+    }
+
+// -----------------------------------------------------------------------------
+// CMediatorCommandResponder::ResetDataBufferL
+// Starts to receive commands asynchronously
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//    
+void CMediatorCommandInitiatorBody::ResetDataBufferL( TInt aSize )
+    {
+    if ( iCommandData )
+        {
+        delete iCommandData;
+        iCommandData = NULL;
+        }
+    iCommandData = HBufC8::NewL( aSize );
+    iCommandDataPtr.Set( iCommandData->Des() );
+       
+    }
+
+
+//  End of File