upnpavcontroller/upnpavcontrollerclient/src/upnpfiledownloadsessionimpl.cpp
changeset 0 7f85d04be362
child 38 5360b7ddc251
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpavcontroller/upnpavcontrollerclient/src/upnpfiledownloadsessionimpl.cpp	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,442 @@
+/*
+* Copyright (c) 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:      Implements download session
+*
+*/
+
+
+
+
+
+
+// INTERNAL INCLUDES
+// upnp stack api
+#include <upnpitem.h>
+#include <upnpelement.h>
+#include <upnpstring.h>
+
+// upnpframework / avcontroller api
+#include "upnpavdevice.h"
+#include "upnpfiletransfersessionobserver.h"
+
+// upnpframework / avcontroller helper api
+#include "upnpconstantdefs.h" // for upnp-specific stuff
+#include "upnpitemutility.h" // FindAttributeByName
+#include "upnpfileutility.h" // FitsInMemory
+
+// avcontroller internal
+#include "upnpfiledownloadsessionimpl.h"
+#include "upnpavcontrollerclient.h"
+#include "upnpfiletransferitem.h"
+
+// EXTERNAL INCLUDES
+
+_LIT( KComponentLogfile, "upnpavcontrollerclient.txt");
+#include "upnplog.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::NewL
+// Two-phase construction
+// --------------------------------------------------------------------------
+CUPnPFileDownloadSessionImpl* CUPnPFileDownloadSessionImpl::NewL(
+    RUPnPAVControllerClient& aServer, const CUpnpAVDevice& aDevice )
+    {
+    CUPnPFileDownloadSessionImpl* self = new (ELeave)
+        CUPnPFileDownloadSessionImpl( aServer );
+    CleanupStack::PushL( self );
+    self->iDevice = CUpnpAVDevice::NewL( aDevice );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::CUPnPFileDownloadSessionImpl
+// Constructor
+// --------------------------------------------------------------------------
+CUPnPFileDownloadSessionImpl::CUPnPFileDownloadSessionImpl(
+    RUPnPAVControllerClient& aServer ) :
+    CActive( EPriorityStandard ),
+    iServer( aServer ),
+    iBufferPtr( 0, 0 ),
+    iBufferPtr2( 0, 0 ),
+    iAlive( ETrue ),
+    iEventPkg( iEvent )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::~CUPnPFileDownloadSessionImpl
+// Destructor
+// --------------------------------------------------------------------------
+CUPnPFileDownloadSessionImpl::~CUPnPFileDownloadSessionImpl()
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::~CUPnPFileDownloadSessionImpl" );
+    
+    CancelAllTransfers();
+    
+    Cancel();
+    iServer.DestroyDownloadSession( (TInt)this );
+    
+    delete iDevice;
+    delete iBuffer;
+    delete iBuffer2;
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::ConstructL
+// Two-phase construction
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::ConstructL()
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::ConstructL" );
+    
+    iBuffer = iDevice->Uuid().AllocL();
+    iBufferPtr.Set( iBuffer->Des() );
+    User::LeaveIfError( iServer.CreateDownloadSession(
+        (TInt)this , iBufferPtr ) );
+    
+    iBuffer2 = HBufC::NewL( KMaxPath );
+    iBufferPtr2.Set( iBuffer2->Des() );    
+    iServer.GetDownloadEvent( (TInt)this, iEventPkg, iStatus, iBufferPtr2 );
+    SetActive();
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::ConstructL
+// From CActive
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::RunL()
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::RunL" );
+
+    TUpnpFileTransferEvent event = iEvent;
+
+    if( iStatus.Int() == KErrNone )
+        {
+        __LOG( "RunL - Activate again" );
+
+        iServer.GetDownloadEvent( (TInt)this, iEventPkg, iStatus,
+            iBufferPtr2 );
+        SetActive();        
+        }
+    else
+        {
+        __LOG1( "RunL - %d", iStatus.Int() );      
+        }              
+    
+    // Handle event and activate again
+    switch( event.iEvent )
+        {
+        case TUpnpFileTransferEvent::ETransferStarted:
+            {
+            if( iObserver )
+                {
+                __LOG( "RunL - ETransferStarted" );
+                
+                // iKey - 1 since it's incremented when we request the
+                // download. The reason behind of this is the fact that
+                // httptransfer does not accept value 0 which is legal from
+                // the API point of view
+                iObserver->TransferStarted( event.iKey - 1,
+                    event.iStatus );
+                }
+            break;
+            }
+
+        case TUpnpFileTransferEvent::ETransferCompleted:
+            {
+            if( iObserver )
+                {
+                __LOG( "RunL - ETransferCompleted" );
+                
+                iObserver->TransferCompleted( event.iKey - 1,
+                    event.iStatus, *iBuffer2 );   
+                }                  
+            break;
+            }
+            
+        case TUpnpFileTransferEvent::ETransferProgress:
+            {
+            if( iObserver )
+                {
+                __LOG( "RunL - ETransferProgress" );
+                
+                iObserver->TransferProgress( event.iKey - 1,
+                    event.iParam1, event.iParam2 );
+                }                  
+            break;
+            }
+            
+        case TUpnpFileTransferEvent::EDeviceDisconnected:
+            {
+            CUpnpAVDevice* tmpDev = NULL;
+            UPnPDeviceDisappeared( *tmpDev );
+            break;
+            }
+            
+        default:
+            {
+            __LOG( "RunL - default!" );      
+            break;
+            }
+        
+        }        
+    }
+    
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::DoCancel
+// From CActive
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::DoCancel()
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::DoCancel" );
+    
+    iServer.CancelDownloadEvent( (TInt)this );
+    
+    __LOG( "CUPnPFileDownloadSessionImpl::DoCancel - end" );
+    }
+    
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::RunError
+// From CActive
+// --------------------------------------------------------------------------
+TInt CUPnPFileDownloadSessionImpl::RunError( TInt /*aError*/ )
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::RunError" );
+    
+    return KErrNone;
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::StartDownloadL
+// From CActive
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::StartDownloadL(
+    const CUpnpItem& aItem, TInt aKey )
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::StartDownloadL" );
+    
+    ResetL();
+
+    CUpnpFileTransferItem* item = CUpnpFileTransferItem::NewLC();
+    item->SetTitleL( aItem.Title() );
+    // aKey + 1 
+    // the reason behind of this is the fact that httptransfer
+    // does not accept value 0 which is legal from the API point
+    // of view.    
+    item->SetKey( aKey + 1 );
+
+    // Get the most suitable (original) res-element from the item
+    const CUpnpElement& tmpEl = UPnPItemUtility::ResourceFromItemL( 
+        aItem );
+    
+    if( !UPnPFileUtility::FitsInMemory( tmpEl ) )
+        {
+        User::Leave( KErrDiskFull );
+        }
+
+    item->SetUriL( tmpEl.Value() );    
+
+    // Get the protocolinfo-attribute
+    const CUpnpAttribute* tmpPInfo = UPnPItemUtility::FindAttributeByName(
+        tmpEl, KAttributeProtocolInfo );
+    if( tmpPInfo )
+        {
+        item->SetProtocolInfoL( tmpPInfo->Value() );
+        }
+    else
+        {
+        User::Leave( KErrArgument );
+        }    
+
+    iBuffer = item->ToDes8L();
+    iBufferPtr.Set( iBuffer->Des() );
+    
+    CleanupStack::PopAndDestroy( item );
+    
+    User::LeaveIfError( iServer.StartDownload( (TInt)this, iBufferPtr ) );
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::StartDownloadL
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::StartDownloadL( 
+    const CUpnpElement& aResElement, const CUpnpItem& aItem,
+    RFile& aFile, TInt aKey )
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::StartDownloadL" );
+    
+    ResetL();
+
+    CUpnpFileTransferItem* item = CUpnpFileTransferItem::NewLC();
+    item->SetTitleL( aItem.Title() );
+    item->SetUriL( aResElement.Value() );
+    item->SetKey( aKey + 1 );
+
+    const CUpnpAttribute* pInfo = UPnPItemUtility::FindAttributeByName(
+        aResElement, KAttributeProtocolInfo );
+    if( pInfo )
+        {
+        item->SetProtocolInfoL( pInfo->Value() );
+        }
+    else
+        {
+        User::Leave( KErrArgument );
+        }   
+
+    iBuffer = item->ToDes8L();
+    iBufferPtr.Set( iBuffer->Des() );
+    
+    CleanupStack::PopAndDestroy( item );
+    
+    User::LeaveIfError( iServer.StartDownload( (TInt)this, iBufferPtr,
+        aFile ) );
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::SetObserver
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::SetObserver(
+    MUPnPFileTransferSessionObserver& aObserver )
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::SetObserver" );
+    
+    iObserver = &aObserver;
+    }
+     
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::RemoveObserver
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::RemoveObserver()
+    {
+    iObserver = NULL;
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::Observer
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+MUPnPFileTransferSessionObserver* CUPnPFileDownloadSessionImpl::Observer()
+    const
+    {
+    return iObserver;
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::StartTrackingProgressL
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::StartTrackingProgressL( TInt aKey )
+    {
+    ResetL();
+    User::LeaveIfError( iServer.StartTrackingDownloadProgress(
+        (TInt)this, aKey + 1 ) );
+                   
+    }
+    
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::CancelTransfer
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::CancelTransfer( TInt aKey )
+    {
+    iServer.CancelDownload( (TInt)this, aKey + 1 ); // Ignore error
+    }
+    
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::CancelAllTransfers
+// See upnpfiledownloadsessionimpl.h
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::CancelAllTransfers()
+    {
+    iServer.CancelAllDownloads( (TInt)this ); // Ignore error
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::UPnPDeviceDiscovered
+// Device discovered
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::UPnPDeviceDiscovered(
+    const CUpnpAVDevice& /*aDevice*/ )
+    {
+    // No implementation needed
+    }
+
+  
+// --------------------------------------------------------------------------
+// CUPnPFileUploadSessionImpl::UPnPDeviceDisappeared
+// Device disappeared
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::UPnPDeviceDisappeared(
+    const CUpnpAVDevice& /*aDevice*/ )
+    {
+    __LOG( "CUPnPAVBrowsingSessionImpl::UPnPDeviceDisappeared" );
+    
+    iAlive = EFalse;
+    if( iObserver )
+        {
+        iObserver->MediaServerDisappeared( 
+            MUPnPAVSessionObserverBase::EDisconnected );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileUploadSessionImpl::WLANConnectionLost
+// Connection lost
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::WLANConnectionLost()
+    {
+    __LOG( "CUPnPAVBrowsingSessionImpl::WLANConnectionLost" );
+    
+    iAlive = EFalse;
+    if( iObserver )    
+        {
+        iObserver->MediaServerDisappeared( 
+            MUPnPAVSessionObserverBase::EWLANLost );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::Device
+// Returns used device
+// --------------------------------------------------------------------------
+const CUpnpAVDevice& CUPnPFileDownloadSessionImpl::Device() const
+    {
+    return *iDevice;
+    }
+    
+// --------------------------------------------------------------------------
+// CUPnPFileDownloadSessionImpl::ResetL
+// Reset
+// --------------------------------------------------------------------------
+void CUPnPFileDownloadSessionImpl::ResetL()
+    {
+    __LOG( "CUPnPFileDownloadSessionImpl::ResetL" );
+    
+    if( !iAlive )
+        {
+        User::Leave( KErrDisconnected );
+        }
+
+    delete iBuffer; iBuffer = NULL;
+    }    
+
+// end of file