upnpavcontrolpoint/avcpengine/src/upnpdownloadcommand.cpp
branchIOP_Improvements
changeset 40 08b5eae9f9ff
parent 39 6369bfd1b60d
child 41 b4d83ea1d6e2
equal deleted inserted replaced
39:6369bfd1b60d 40:08b5eae9f9ff
     1 /** @file
       
     2 * Copyright (c) 2005-2006 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:  CUpnpDownloadCommand
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "upnpdownloadcommand.h"
       
    20 
       
    21 #include "upnppathresolver.h"
       
    22 #include "upnppathelement.h"
       
    23 #include "upnpavcpmanager.h"
       
    24 #include "upnpavcontrolpoint.h"
       
    25 #include "upnphttpmessagefactory.h"
       
    26 
       
    27 #include "upnpstring.h"
       
    28 
       
    29 #include "upnpavcpenginehelper.h"
       
    30 using namespace UpnpAVCPEngine;
       
    31 
       
    32 _LIT8(KFilterFlag, "res,res@protocolInfo");
       
    33 
       
    34 // Operation option flags
       
    35 const TUint KRemoteAccessOptionGetToStartOfFile = 0x01;
       
    36 
       
    37 // -----------------------------------------------------------------------------
       
    38 // CUpnpDownloadCommand::NewL
       
    39 // Two-phased constructor.
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 CUpnpDownloadCommand* CUpnpDownloadCommand::NewL(CUpnpAVCPManager& aAVCPManager, CUpnpAVCPEngineSession& aSession, const RMessage2& aMessage)
       
    43 	{
       
    44     CUpnpDownloadCommand* self = new( ELeave ) CUpnpDownloadCommand(aAVCPManager, aSession, aMessage);
       
    45     
       
    46     CleanupStack::PushL( self );
       
    47     self->ConstructL();
       
    48     CleanupStack::Pop( self );
       
    49 
       
    50     return self;   
       
    51 	}	
       
    52   
       
    53 // -----------------------------------------------------------------------------
       
    54 // CUpnpDownloadCommand::ConstructL
       
    55 // Symbian 2nd phase constructor can leave.
       
    56 // -----------------------------------------------------------------------------
       
    57 //   
       
    58 void CUpnpDownloadCommand::ConstructL() 
       
    59 	{
       
    60 	CUpnpCommand::BaseConstructL();
       
    61 	} 
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CUpnpDownloadCommand::CUpnpDownloadCommand
       
    65 // C++ default constructor can NOT contain any code, that
       
    66 // might leave.
       
    67 // -----------------------------------------------------------------------------   
       
    68 //     
       
    69 CUpnpDownloadCommand::CUpnpDownloadCommand(CUpnpAVCPManager& aAVCPManager, 
       
    70                    CUpnpAVCPEngineSession& aSession, 
       
    71                    const RMessage2& aMessage):
       
    72                    CUpnpCommand( aAVCPManager,
       
    73                    		     aSession, 
       
    74                    		     aMessage)
       
    75 	{
       
    76 	}
       
    77 
       
    78 // -----------------------------------------------------------------------------
       
    79 // CUpnpDownloadCommand::~CUpnpDownloadCommand
       
    80 // desctructor
       
    81 // -----------------------------------------------------------------------------
       
    82 // 
       
    83 CUpnpDownloadCommand::~CUpnpDownloadCommand()
       
    84 	{
       
    85     delete iObjectId;   
       
    86     delete iDestPath;
       
    87 	}
       
    88 
       
    89 // -----------------------------------------------------------------------------
       
    90 // CUpnpDownloadCommand::SessionId
       
    91 // -----------------------------------------------------------------------------
       
    92 // 
       
    93 TInt CUpnpDownloadCommand::SessionId() 
       
    94 	{
       
    95     return CUpnpCommand::SessionId();   
       
    96 	}
       
    97 
       
    98 // -----------------------------------------------------------------------------
       
    99 // CUpnpDownloadCommand::RunError
       
   100 // -----------------------------------------------------------------------------
       
   101 // 
       
   102 void CUpnpDownloadCommand::RunError(TInt aErrorCode) 
       
   103 	{
       
   104     return CUpnpCommand::RunError(aErrorCode);   
       
   105 	}
       
   106 	
       
   107 // -----------------------------------------------------------------------------
       
   108 // CUpnpDownloadCommand::ExecuteL
       
   109 // -----------------------------------------------------------------------------
       
   110 // 
       
   111 void CUpnpDownloadCommand::ExecuteL()
       
   112 	{
       
   113 	//ASSERT(iType == EGetFile);
       
   114     
       
   115     HBufC8* uuid = NULL;
       
   116     HBufC8* srcPath = NULL;
       
   117     HBufC* destPath = NULL;    
       
   118             
       
   119     DEBUGSTRING(("Execute Download command "));
       
   120     	    
       
   121     uuid = ReadDes8FromMessageLC(0); 
       
   122     DEBUGSTRING8(("  uuid: %S",uuid));    
       
   123 	srcPath = ReadDes8FromMessageLC(1);     
       
   124 	DEBUGSTRING8(("  srcPath: %S",srcPath));                    	
       
   125 	destPath = ReadDes16FromMessageLC(2); 		
       
   126 	DEBUGSTRING16(("  destPath: %S",destPath));    
       
   127 
       
   128     TPckg<TFilePosition> posPkg(iPosition);
       
   129 	iMessage.ReadL( 3,posPkg );    
       
   130 	
       
   131     // convert to 8-bit representation 
       
   132     iDestPath = HBufC8::NewL(destPath->Length()); 
       
   133     iDestPath->Des().Copy(*destPath);
       
   134             
       
   135     iPathResolver = &(iAVCPManager.PathResolverL(*uuid, &iSession));
       
   136     	 
       
   137     iPathResolver->ResolveIdL(*srcPath, *this);
       
   138     
       
   139     
       
   140     CleanupStack::PopAndDestroy(destPath);          
       
   141     CleanupStack::PopAndDestroy(srcPath);          
       
   142 	CleanupStack::PopAndDestroy(uuid);          
       
   143 	}
       
   144 
       
   145 // -----------------------------------------------------------------------------
       
   146 // CUpnpDownloadCommand::SetResultL
       
   147 // -----------------------------------------------------------------------------
       
   148 // 
       
   149 void CUpnpDownloadCommand::SetResultL(const RMessage2& /*aMessage*/) 
       
   150 	{
       
   151 	}
       
   152 
       
   153 // -----------------------------------------------------------------------------
       
   154 // CUpnpDownloadCommand::Interpret
       
   155 // -----------------------------------------------------------------------------
       
   156 // 
       
   157 void CUpnpDownloadCommand::InterpretL(TInt aErrorCode, CUpnpAction* aAction) 
       
   158 	{
       
   159 	DEBUGSTRING(("Interpret action response %d", aErrorCode));	
       
   160     HBufC8* resURI = NULL;
       
   161     if (aErrorCode == EHttp200Ok && 
       
   162         iPathResolver->GetResUriL( aAction->ArgumentValue( KResult ), *iObjectId, resURI)) 
       
   163     	{    	    	    	    	
       
   164     
       
   165     	DEBUGSTRING8(("Send HTTP GET request for %S", resURI));
       
   166     	// encode URI
       
   167     	CleanupStack::PushL(resURI);
       
   168     	HBufC8* resURIencoded = UpnpString::StringReplaceL(*resURI, _L8(" "), _L8("%20"));    	
       
   169     	CleanupStack::PopAndDestroy(resURI);
       
   170     	
       
   171         CleanupStack::PushL(resURIencoded);
       
   172         CUpnpHttpMessage* msg = RUpnpHttpMessageFactory::HttpGetL( *resURIencoded );
       
   173         CleanupStack::PopAndDestroy(resURIencoded);
       
   174         
       
   175 	    CleanupStack::PushL( msg );
       
   176 		msg->SetInFilenameL( *iDestPath, ETrue );		
       
   177     	msg->SetHttpPriority( EPriorityLess );
       
   178     	
       
   179     	if (iPosition.iStart != 0 || iPosition.iLength != 0 ) 
       
   180     		{
       
   181     		DEBUGSTRING8(("  Use ramge header. From %d to %d (flag:%d) ", 
       
   182     			iPosition.iStart, iPosition.iLength, iPosition.iFlags));
       
   183     		iUseRange = ETrue;
       
   184     		if (iPosition.iFlags == KRemoteAccessOptionGetToStartOfFile)
       
   185     			msg->SetRangeL(iPosition.iStart, iPosition.iLength, ETrue);
       
   186     		else 
       
   187     			msg->SetRangeL(iPosition.iStart, iPosition.iLength, EFalse);    	    
       
   188     		}	
       
   189     	
       
   190         iAVCPManager.SendL(msg);  
       
   191         iSessionId = msg->SessionId();
       
   192         iAVCPManager.RegisterForHttp(*this);         
       
   193         
       
   194         CleanupStack::PopAndDestroy( msg );              
       
   195     	}
       
   196     else 
       
   197     	{
       
   198     	DEBUGSTRING8(("   No resouse URI found"));
       
   199         iMessage.Complete(KErrAbort); 
       
   200         delete this;
       
   201     	}   
       
   202 	}
       
   203 
       
   204 // -----------------------------------------------------------------------------
       
   205 // CUpnpDownloadCommand::Interpret
       
   206 // -----------------------------------------------------------------------------
       
   207 // 
       
   208 void CUpnpDownloadCommand::InterpretL(TInt aErrorCode, CUpnpHttpMessage* /*aMessage*/) 
       
   209 	{
       
   210 	DEBUGSTRING(("HTTP Interpret %d", aErrorCode));	
       
   211     if (aErrorCode == KHttpGetStarted) 
       
   212     	{
       
   213       	// transfer pending   
       
   214       	return;
       
   215     	}
       
   216     iAVCPManager.UnregisterForHttp(*this); 
       
   217     if (aErrorCode == EHttp200Ok || aErrorCode == EHttpPartialContent) 
       
   218     	{
       
   219     	if (iUseRange && aErrorCode == EHttp200Ok) 
       
   220     		{
       
   221     		iPosition.iLength = 0;
       
   222     	    TPckg<TFilePosition> posPkg(iPosition);
       
   223 			iMessage.WriteL( 3,posPkg );
       
   224     		}
       
   225        	iMessage.Complete(KErrNone); 
       
   226        	delete this;
       
   227     	}
       
   228     else  
       
   229     	{
       
   230        	iMessage.Complete(KErrAbort);         
       
   231        	delete this;
       
   232     	}    
       
   233 	}	
       
   234 
       
   235 // -----------------------------------------------------------------------------
       
   236 // CUpnpDownloadCommand::ResolvedId
       
   237 // -----------------------------------------------------------------------------
       
   238 // 
       
   239 void CUpnpDownloadCommand::ResolvedIdL(TInt aErrCode, CUpnpPathElement* aIdElement)
       
   240 	{
       
   241     DEBUGSTRING(("ResolvedId %d", aErrCode));    
       
   242     if (aErrCode == KErrNone)  
       
   243     	{
       
   244         iObjectId = aIdElement->Id().AllocL();
       
   245                     
       
   246         iSessionId = iAVCPManager.CdsBrowseActionL(iPathResolver->UUID(), *iObjectId, KBrowseMetadata,KFilterFlag , 0, 0, KNullDesC8);    
       
   247       
       
   248         iAVCPManager.RegisterForAction(*this);        
       
   249     	}
       
   250     else 
       
   251     	{
       
   252         iMessage.Complete(KErrNotFound);
       
   253         delete this;
       
   254     	}
       
   255 };
       
   256 
       
   257 //End of File