upnp/upnpstack/upnphttptransfer/src/httpdownloader.cpp
changeset 0 f5a58ecadc66
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnp/upnpstack/upnphttptransfer/src/httpdownloader.cpp	Tue Feb 02 01:12:20 2010 +0200
@@ -0,0 +1,180 @@
+/** @file
+* 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:  Handles downloads
+*
+*/
+
+
+// System include files
+#include <es_sock.h>
+
+// User include files
+#include "httpdownloader.h"
+#include "httpdownloadworker.h"
+#include "httptransferbase.h"
+#include "httptransferobserver.h"
+#include "httpworkerobserver.h"
+
+// Constants
+const TUint KMaxParallelTransfers = 5;
+
+// ======== MEMBER FUNCTIONS ========
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::CHttpDownloader()
+// --------------------------------------------------------------------------
+//
+CHttpDownloader::CHttpDownloader( 
+                       MHttpTransferObserver& aObserver,
+                       TUint aIAPId,
+                       TUint aBufferSize,
+                       TUint aParallelTransfers = KDefaultParallelTransfers )
+    {
+    iObserver = &aObserver;
+    iIAPId = aIAPId;
+    iBufferSize = aBufferSize;
+
+    if ( aParallelTransfers <= 0 )
+        {
+        iParallelTransfers = KDefaultParallelTransfers;
+        }
+    else if ( aParallelTransfers > KMaxParallelTransfers )
+        {
+        iParallelTransfers = KMaxParallelTransfers;
+        }
+    else
+        {
+        iParallelTransfers = aParallelTransfers;
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::ConstructL()
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+void CHttpDownloader::ConstructL()
+    {
+    
+    for ( TInt i=0; i < iParallelTransfers; i++ )
+        {
+        iWorkerArray.Append( CHttpDownloadWorker::NewL( *iObserver,
+                                                        iIAPId,
+                                                        iBufferSize,
+                                                        *this ) );
+        }
+
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::NewL()
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+EXPORT_C CHttpDownloader* CHttpDownloader::NewL( 
+                                        MHttpTransferObserver& aObserver,
+                                        TUint aIAPId,
+                                        TUint aBufferSize,
+                                        TUint aParallelTransfers )
+    {
+    CHttpDownloader* self = CHttpDownloader::NewLC( aObserver, 
+                                                    aIAPId, 
+                                                    aBufferSize,
+                                                    aParallelTransfers );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::NewLC()
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+EXPORT_C CHttpDownloader* CHttpDownloader::NewLC( 
+                                         MHttpTransferObserver& aObserver,
+                                         TUint aIAPId,
+                                         TUint aBufferSize,
+                                         TUint aParallelTransfers )
+
+    {
+    CHttpDownloader* self = 
+                new( ELeave ) CHttpDownloader( aObserver, 
+                                               aIAPId,
+                                               aBufferSize,
+                                               aParallelTransfers );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::~CHttpDownloader()
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+CHttpDownloader::~CHttpDownloader()
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::DownloadFileL
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CHttpDownloader::DownloadFileL( const TDesC8& aUri, 
+                                              const TDesC& aTargetPath, 
+                                              TAny* aKey )
+    {
+    // if aKey already exists -> leave
+    for ( TInt i=0; i < iFileQueue.Count(); i++ )
+        {
+        if ( iFileQueue[i]->Key() == aKey )
+            {
+            User::Leave( KErrAlreadyExists );
+            }
+        }
+
+    // Add new CHttpFile into the iFileQueue
+    CreateAndQueueHttpFileL( aUri, aTargetPath, aKey );
+
+    // Activate new request
+    ActivateNewTransferRequest();
+    }
+
+// --------------------------------------------------------------------------
+// CHttpDownloader::DownloadFileL
+// (See comments in header file)
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CHttpDownloader::DownloadFileL( const TDesC8& aUri, 
+                                              const RFile& aFileHandle, 
+                                              TAny* aKey )
+    {
+    // if aKey already exists -> leave
+    for ( TInt i=0; i < iFileQueue.Count(); i++ )
+        {
+        if ( iFileQueue[i]->Key() == aKey )
+            {
+            User::Leave( KErrAlreadyExists );
+            }
+        }
+
+    // Add new CHttpFile into the iFileQueue
+    CreateAndQueueHttpFileL( aUri, aFileHandle, aKey );
+
+    // Activate new request
+    ActivateNewTransferRequest();
+    }
+
+// end of file