servicediscoveryandcontrol/pnp/test/upnp/Server/Flow/src/httpserver.cpp
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <ss_glob.h>
       
    17 #include <comms-infras/ss_nodemessages.h>
       
    18 #include <comms-infras/ss_nodemessages_dataclient.h>
       
    19 #include <comms-infras/ss_nodemessages_factory.h>
       
    20 #include <elements/nm_interfaces.h>
       
    21 
       
    22 #include <httpstringconstants.h>
       
    23 #include <httperr.h>
       
    24 #include <http/thttptable.h>
       
    25 #include <http/framework/cheadercodecplugin.h>
       
    26 #include <upnp/tupnptable.h>
       
    27 #include <uriutils.h>
       
    28 
       
    29 #include "app_protintf_msgs.h"
       
    30 #include "httpserver.h"
       
    31 #include "ctransaction.h"
       
    32 #include "httpserverhandler.h"
       
    33 #include "httpevent.h"
       
    34 #include "upnpserverconstants.h"
       
    35 #include "upnplog.h"
       
    36 #include "upnppint.h"
       
    37 #include "upnpmemoryutils.h"
       
    38 
       
    39 __FLOG_STMT(_LIT8(KComponent,"Flow");)
       
    40 
       
    41 using namespace Messages;
       
    42 using namespace ESock;
       
    43 
       
    44 CServiceInfo* CServiceInfo::NewL ( const TDesC8& aUri, MHttpEventObserver& aObserver )
       
    45 	{
       
    46 	CServiceInfo* self = new (ELeave) CServiceInfo ( aObserver );
       
    47 	CleanupStack::PushL ( self );
       
    48 	self->ConstructL ( aUri );
       
    49 	CleanupStack::Pop (); // self
       
    50 	return self;
       
    51 	}
       
    52 
       
    53 TBool CServiceInfo::Match ( const TDesC8& aUri )
       
    54 	{
       
    55 	return ( iUri.CompareF ( aUri ) == 0 );
       
    56 	}
       
    57 
       
    58 TBool CServiceInfo::Match ( const TUriC8& aUri, const TDesC8& aHost ) const
       
    59 	{
       
    60 	// Check host matches
       
    61 	if ( aHost.Length () != 0 )
       
    62 		{
       
    63 		// Search if aHost has the port also.
       
    64 		TInt pos = aHost.Find(_L8(":"));
       
    65 		if((pos != KErrNotFound) && (UriUtils::HostType(aHost.Left(pos)) == UriUtils::EIPv4Host))
       
    66 			{
       
    67 			// Port number is present in aHost
       
    68 			if(iParsedUri.Extract(EUriHost).Compare(aHost.Left(pos)) == 0)
       
    69 				{
       
    70 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriHost Matched")));
       
    71 				
       
    72 				// Check if the port in aHost matches with the port in iParsedUri
       
    73 				if(iParsedUri.Extract(EUriPort).Compare(aHost.Right(aHost.Length()-(pos+1))) !=0 )
       
    74 					{
       
    75 					// Port numbers did not match
       
    76 					LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriPort Not Matched")));	
       
    77 					return EFalse;	
       
    78 					}
       
    79 				}
       
    80 			else
       
    81 				{
       
    82 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriHost Not Matched")));	
       
    83 				return EFalse;
       
    84 				}
       
    85 			}
       
    86 			
       
    87 		else if ( iParsedUri.Extract ( EUriHost ).CompareF ( aHost ) )
       
    88 			{
       
    89 			LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriHost Not Matched")));
       
    90 			return EFalse;
       
    91 			}
       
    92 		}
       
    93 	else
       
    94 		{
       
    95 		// Check if its matches in the Uri
       
    96 		if ( iParsedUri.Compare ( aUri, EUriHost ) )
       
    97 			{
       
    98 			LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriHost Not Matched")));
       
    99 			return EFalse;
       
   100 			}
       
   101 		}
       
   102 	// Check path component matches
       
   103 	if ( iParsedUri.Compare ( aUri, EUriPath ) )
       
   104 		{
       
   105 		LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriPath Not Matched")));
       
   106 		return EFalse;
       
   107 		}
       
   108 
       
   109 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("UriPath Matched")));
       
   110 	return ETrue;
       
   111 	}
       
   112 
       
   113 CServiceInfo::CServiceInfo ( MHttpEventObserver& aObserver )
       
   114 : iObserver ( aObserver )
       
   115 	{
       
   116 
       
   117 	}
       
   118 
       
   119 void CServiceInfo::ConstructL ( const TDesC8& aUri )
       
   120 	{
       
   121 	User::LeaveIfError ( iParsedUri.Parse ( aUri ) );
       
   122 	iUri.CreateL ( aUri );
       
   123 	}
       
   124 
       
   125 CServiceInfo::~CServiceInfo ()
       
   126 	{
       
   127 	iUri.Close ();
       
   128 	}
       
   129 
       
   130 MHttpEventObserver& CServiceInfo::Observer () const
       
   131 	{
       
   132 	return iObserver;
       
   133 	}
       
   134 
       
   135 // -------------------------------------------------
       
   136 
       
   137 CServiceInfoArray::CServiceInfoArray ()
       
   138 	{
       
   139 	}
       
   140 
       
   141 CServiceInfoArray::~CServiceInfoArray ()
       
   142 	{
       
   143 	iServiceInfos.ResetAndDestroy ();
       
   144 	}
       
   145 
       
   146 void CServiceInfoArray::AddServiceUriL ( const TDesC8& aUri, MHttpEventObserver& aObserver )
       
   147 	{
       
   148 	TInt position = FindServiceUri ( aUri );
       
   149 	if( position != KErrNotFound )
       
   150 		{
       
   151 		User::Leave ( KErrAlreadyExists );
       
   152 		}
       
   153 
       
   154 	CServiceInfo* info = CServiceInfo::NewL ( aUri, aObserver );
       
   155 	CleanupStack::PushL ( info );
       
   156 	iServiceInfos.AppendL ( info );
       
   157 	CleanupStack::Pop (); // info
       
   158 	}
       
   159 
       
   160 void CServiceInfoArray::RemoveServiceUri ( const TDesC8& aUri )
       
   161    	{
       
   162    	TInt pos = FindServiceUri ( aUri );
       
   163    	if ( pos != KErrNotFound  )
       
   164    		{
       
   165    		CServiceInfo* info = iServiceInfos [ pos ];
       
   166    		iServiceInfos.Remove ( pos );
       
   167    		delete info;
       
   168    		}
       
   169    	}
       
   170 
       
   171 TInt CServiceInfoArray::FindServiceUri ( const TDesC8& aUri )
       
   172 	{
       
   173 	for ( TInt i = 0; i < iServiceInfos.Count(); ++i )
       
   174 		{
       
   175 		if ( iServiceInfos[i]->Match( aUri ) )
       
   176 			return i;
       
   177 		}
       
   178 	return KErrNotFound;
       
   179 	}
       
   180 
       
   181 TInt CServiceInfoArray::MatchServiceUri ( const TUriC8& aUri, const TDesC8& aHost )
       
   182 	{
       
   183 	for ( TInt i = 0; i < iServiceInfos.Count(); ++i )
       
   184 		{
       
   185 		if ( iServiceInfos[i]->Match( aUri, aHost ) )
       
   186 			return i;
       
   187 		}
       
   188 	return KErrNotFound;
       
   189 	}
       
   190 
       
   191 TInt CServiceInfoArray::CountServiceUri ()
       
   192 	{
       
   193 	return iServiceInfos.Count();
       
   194 	}
       
   195 
       
   196 // -------------------------------------------------------------
       
   197 
       
   198 void HttpRequestUtils::ValidateL ( const CRequest& aRequest )
       
   199 	{
       
   200 	User::LeaveIfError ( ValidateMethod ( aRequest ) );
       
   201 	User::LeaveIfError ( ValidateHost ( aRequest ) );
       
   202 	}
       
   203 
       
   204 TInt  HttpRequestUtils::ValidateMethod ( const CRequest& aRequest )
       
   205 	{
       
   206 	// We validate the RFC2616 methods that we support. Currrent we support only
       
   207 	// GET and POST method. Other methods are validated in the protocol flow.
       
   208 
       
   209 	RStringF method = aRequest.Method ();
       
   210 	RStringPool strP = aRequest.StringPool();
       
   211 	
       
   212 	RStringF connect = strP.StringF(HTTP::ECONNECT, THTTPTable::Table());
       
   213 	RStringF del = strP.StringF(HTTP::EDELETE, THTTPTable::Table());
       
   214 	RStringF head = strP.StringF(HTTP::EHEAD, THTTPTable::Table());
       
   215 	RStringF options = strP.StringF(HTTP::EOPTIONS, THTTPTable::Table());
       
   216 	RStringF put = strP.StringF(HTTP::EPUT, THTTPTable::Table());
       
   217 	RStringF trace = strP.StringF(HTTP::ETRACE, THTTPTable::Table());
       
   218 	
       
   219 	if(aRequest.Method() == connect||aRequest.Method() == del||aRequest.Method() == head||
       
   220 	   aRequest.Method() == options||aRequest.Method() == put||aRequest.Method() == trace 
       
   221 	   )
       
   222 		{
       
   223 		return KErrNotSupported;
       
   224 		}
       
   225 	else
       
   226 		{
       
   227 		return KErrNone;
       
   228 		}
       
   229 	}
       
   230 
       
   231 TInt HttpRequestUtils::ValidateHost ( const CRequest& aRequest )
       
   232 	{
       
   233 	if ( !aRequest.IsHTTP10 () )
       
   234 		{
       
   235 		// HTTP/1.1 Host header must be present.
       
   236 		// Relevant information from RFC2616 Sec 14.23
       
   237 		// 1. A client MUST include a Host header field in all HTTP/1.1 request messages .
       
   238 		// 2. If the requested URI does not include an Internet host name for the service being requested, then the Host header
       
   239 		// field MUST be given with an empty value.
       
   240 		// Also from sec 19.6.1.1 - Servers MUST report a 400 (Bad Request) error if an HTTP/1.1 request does not include a Host
       
   241 		// request-header.
       
   242 		// For more information refer the above sections in RFC2616
       
   243 
       
   244 		// Note: ( seee above 2 ) - RFC2616 explicitly is not saying what we should do when we are having Host header field with
       
   245 		// emtpy value. Only it mandates the Host header field MUST be present if it is a HTTP/1.1 request. So we just check
       
   246 		// the presence of Host header field and we will leave rest to URI matching.
       
   247 		if ( !HttpRequestUtils::IsHostPresent ( aRequest ) )
       
   248 			{
       
   249 			return KErrCorrupt;
       
   250 			}
       
   251 		}
       
   252 	return KErrNone;
       
   253 	}
       
   254 
       
   255 TBool HttpRequestUtils::IsHostPresent ( const CRequest& aRequest )
       
   256 	{
       
   257 	CRequest& req = const_cast < CRequest& > ( aRequest );
       
   258 	RRequest request = req.Handle ();
       
   259 	RHTTPHeaders headers = request.GetHeaderCollection ();
       
   260 	RStringF hostStr = aRequest.StringPool ().StringF ( HTTP::EHost, THTTPTable::Table() );
       
   261 	THTTPHdrVal hostValue;
       
   262 	return headers.GetField(hostStr, 0, hostValue) == KErrNone;
       
   263 	}
       
   264 
       
   265 const TDesC8& HttpRequestUtils::HostStr ( const CRequest& aRequest )
       
   266 	{
       
   267 	CRequest& req = const_cast < CRequest& > ( aRequest );
       
   268 	RStringF hostStr = aRequest.StringPool ().StringF ( HTTP::EHost, THTTPTable::Table() );
       
   269 	RHTTPHeaders headers = req.Handle ().GetHeaderCollection ();
       
   270 	THTTPHdrVal hostValue;
       
   271 	if ( headers.GetField(hostStr, 0, hostValue) != KErrNotFound )
       
   272 		{
       
   273 		return hostValue.StrF ().DesC ();
       
   274 		}
       
   275 	return KNullDesC8 ();
       
   276 	}
       
   277 
       
   278 TBool HttpRequestUtils::IsConnectionRequired ( const CRequest& aRequest )
       
   279 	{
       
   280 	TBool bConnRequired = EFalse;
       
   281 	CRequest& req = const_cast < CRequest& > ( aRequest );
       
   282 	RRequest request = req.Handle ();
       
   283 	RHTTPHeaders headers = request.GetHeaderCollection ();
       
   284 	RStringF name = aRequest.StringPool ().StringF ( HTTP::EConnection, THTTPTable::Table() );
       
   285 	THTTPHdrVal value;
       
   286 
       
   287 	if ( request.IsHTTP10 () ) // HTTP 1.0 request,  check for keep alive header value.
       
   288 		{
       
   289 		// Check for Connection: Keep Alive header
       
   290 		if ( headers.GetField ( name, 0, value ) == KErrNone &&
       
   291 				value.Type ( ) == THTTPHdrVal::KStrFVal &&
       
   292 				value.StrF ( ).Index ( THTTPTable::Table() ) == HTTP::EKeepAlive )
       
   293 			{
       
   294 			bConnRequired = ETrue;
       
   295 			}
       
   296 		}
       
   297 	else // HTTP 1.1
       
   298 		{
       
   299 		// Check for Connection: Keep Alive header
       
   300 		if ( headers.GetField ( name, 0, value ) == KErrNone &&
       
   301 				value.Type ( ) == THTTPHdrVal::KStrFVal &&
       
   302 				value.StrF ( ).Index ( THTTPTable::Table() ) == HTTP::EClose )
       
   303 			{
       
   304 			bConnRequired = EFalse;
       
   305 			}
       
   306 		else
       
   307 			{
       
   308 			bConnRequired = ETrue;
       
   309 			}
       
   310 		}
       
   311 	return bConnRequired;
       
   312 	}
       
   313 
       
   314 // --------------------------------------------------------------
       
   315 
       
   316 CHttpServer* CHttpServer::NewL (ESock::CProtocolIntfBase* aProtIntf)
       
   317 	{
       
   318 	CHttpServer* self = new (ELeave)CHttpServer(aProtIntf);
       
   319 	CleanupStack::PushL ( self );
       
   320 	self->ConstructL ();
       
   321 	CleanupStack::Pop ();
       
   322 	return self;
       
   323 	}
       
   324 
       
   325 CHttpServer::CHttpServer (ESock::CProtocolIntfBase* aProtIntf) : 
       
   326 		iStarted ( EFalse ), iIsLeaving ( EFalse ), iProtIntf ( aProtIntf )
       
   327 	{
       
   328 	LOG_NODE_CREATE ( KESockFlowTag, CHttpServer );
       
   329 	}
       
   330 
       
   331 CHttpServer::~CHttpServer ()
       
   332 	{
       
   333 	delete iServiceInfos;
       
   334 	delete iParser;
       
   335 	delete iComposer;
       
   336 	delete iTransaction;
       
   337 	if ( !iMemChunk.IsEmpty() )
       
   338 		iMemChunk.Free ();
       
   339 	iServerHandlerArray.ResetAndDestroy ();
       
   340 	iServiceControlProviderInfos.Reset ();
       
   341 	iServiceControlProviderInfos.Close ();
       
   342 	//delete iCodec;
       
   343 	iStringPool.Close();
       
   344 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("Destroyed CHttpServer")));
       
   345 	LOG_NODE_DESTROY(KESockFlowTag, CHttpServer);
       
   346 	}
       
   347 
       
   348 void CHttpServer::ConstructL ()
       
   349 	{
       
   350 	iStringPool.OpenL(TUPnPTable::Table());
       
   351 	iStringPool.OpenL(THTTPTable::Table());
       
   352 	iCodec = CHeaderCodecPlugin::NewL ( KUPnPCodecName, iStringPool );
       
   353 
       
   354 	iParser = CUpnpRequestParser::NewL ( *this );
       
   355 	iComposer = CUpnpResponseComposer::NewL ( *this );
       
   356 	iTransaction = CTransaction::NewL ( *iCodec, iStringPool );
       
   357 	iServiceInfos = new ( ELeave ) CServiceInfoArray;
       
   358 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("Created CHttpServer")));
       
   359 	}
       
   360 
       
   361 void CHttpServer::AddServiceUriL ( const TDesC8& aUri, MHttpEventObserver& aObserver, TNodeCtxId aServiceId, TNodeCtxId aControlProviderId )
       
   362 	{
       
   363 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::AddServiceUriL")));
       
   364 	iServiceInfos->AddServiceUriL ( aUri, aObserver );
       
   365 
       
   366 	if ( iAppProtIntfId == TNodeId::NullId () && iServiceControlProviderInfos.Count () == 0 )
       
   367 		{
       
   368 		CreateListener ();
       
   369 		}
       
   370 
       
   371 	if ( !iStarted )
       
   372 		{
       
   373 		TServiceControlProviderInfo newInfo ( aServiceId, aControlProviderId );
       
   374 		iServiceControlProviderInfos.Append ( newInfo );
       
   375 		}
       
   376 	else
       
   377 		{
       
   378 		RClientInterface::OpenPostMessageClose ( aServiceId, aControlProviderId, ESock::TCFDataClient::TStarted ().CRef () );
       
   379 		}
       
   380 
       
   381 	}
       
   382 
       
   383 TBool CHttpServer::RemoveServiceUri ( const TDesC8& aUri, TNodeCtxId aServiceId, TNodeCtxId aControlProviderId )
       
   384 	{
       
   385 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::RemoveServiceUri")));
       
   386 	iServiceInfos->RemoveServiceUri ( aUri );
       
   387 
       
   388 	if ( iServiceInfos->CountServiceUri () == 0 ) // last service is stopped, so stop listener
       
   389 		{
       
   390 		iLastServiceControlProviderInfo.iServiceId = aServiceId;
       
   391 		iLastServiceControlProviderInfo.iControlProviderId = aControlProviderId;
       
   392 
       
   393 		iIsLeaving = ETrue;
       
   394 		StopServer ();
       
   395 		return ETrue;
       
   396 		}
       
   397 
       
   398 	if ( TNodeId::NullId () != aControlProviderId )
       
   399 		{		
       
   400 		RClientInterface::OpenPostMessageClose ( aServiceId, aControlProviderId, TCFDataClient::TStopped ( 0 ).CRef () );		
       
   401 		}
       
   402 	return EFalse;
       
   403 	}
       
   404 
       
   405 TBool CHttpServer::MatchRequestUri () const
       
   406 	{
       
   407 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::MatchRequestUri")));
       
   408 	CRequest* request = iTransaction->Request ();
       
   409 	return iServiceInfos->MatchServiceUri ( request->Handle ().URI (), HttpRequestUtils::HostStr ( *(iTransaction->Request ()) ) ) != KErrNotFound ? ETrue : EFalse;
       
   410 	}
       
   411 
       
   412 void CHttpServer::CreateListener ()
       
   413 	{
       
   414 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::CreateListener")));
       
   415 	const TInt KAppProtIntfFactoryUid = 0x2000D05B; // Put in common place
       
   416 //	const TInt KGenericContainerIndex = 1;
       
   417 	const TInt KListenPort = 80; // Maybe we should make it as configurable and multiple ports
       
   418 	TAppProtIntfQuery query ( KProtocolInetTcp, KListenPort );
       
   419 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::CreateListener - Posting message TCFMessage::TFindOrCreateFactoryObject")));
       
   420 	
       
   421 	TCFFactory::TFindOrCreatePeer foMsg ( TCFPlayerRole::EDataPlane, TUid::Uid( KAppProtIntfFactoryUid ), &query );
       
   422 //    foMsg.PostTo ( SockManGlobals::Get()->GetPlaneFC ( EDataPlane, KGenericContainerIndex ) );
       
   423     TNodeId containerId = static_cast<CUPnPProtocolIntfBase*>(iProtIntf)->GetAppProtIntfContainerId();
       
   424     if(containerId != TNodeId::NullId ( ))
       
   425     	{    	
       
   426     	RClientInterface::OpenPostMessageClose ( NodeId (), containerId, foMsg );
       
   427     	}
       
   428 	}
       
   429 
       
   430 
       
   431 
       
   432 void CHttpServer::ReceivedL ( const TRuntimeCtxId& /*aSender*/, const TNodeId& /*aRecipient*/, TSignatureBase& aMessage )
       
   433 	{
       
   434 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL")));
       
   435 
       
   436 	if ( aMessage.MessageId ().Realm () == TCFFactory::ERealmId )
       
   437 		{
       
   438 		if ( aMessage.MessageId().MessageId()  == TCFFactory::TPeerFoundOrCreated::EId )
       
   439 			{
       
   440 			LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TCFMessage::TFOCreated")));
       
   441 			const TCFFactory::TPeerFoundOrCreated & msg = message_cast < const TCFFactory::TPeerFoundOrCreated  > ( aMessage );
       
   442 			iAppProtIntfId = msg.iNodeId;			
       
   443 			RClientInterface::OpenPostMessageClose ( TNodeCtxId ( MeshMachine::KActivityNull, NodeId () ), iAppProtIntfId, TAppProtIntfMessage::TJoin ().CRef () );
       
   444 			}
       
   445 		}
       
   446 	else
       
   447 		{
       
   448 		switch ( aMessage.MessageId().MessageId() )
       
   449 			{
       
   450 			case TAppProtIntfMessage::TJoinComplete::EId:
       
   451 				{
       
   452 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TAppProtIntfMessage::TJoinComplete")));
       
   453 
       
   454 				// We joined. Now we started listening for incomming connections
       
   455 				iStarted = ETrue;
       
   456 
       
   457 				for ( TInt i = 0; i < iServiceControlProviderInfos.Count (); i++ )
       
   458 					{
       
   459 					RClientInterface::OpenPostMessageClose ( iServiceControlProviderInfos[i].iServiceId, iServiceControlProviderInfos[i].iControlProviderId, TCFDataClient::TStarted ().CRef () );			
       
   460 					}
       
   461 				iServiceControlProviderInfos.Reset ();
       
   462 				}
       
   463 			break;
       
   464 
       
   465 			case TAppProtIntfMessage::TNewConnection::EId:
       
   466 				{
       
   467 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TAppProtIntfMessage::TNewConnection")));
       
   468 
       
   469 				TAppProtIntfMessage::TNewConnection& currentMsg = message_cast < TAppProtIntfMessage::TNewConnection > ( aMessage );
       
   470 
       
   471 				if ( !iIsLeaving )
       
   472 					{
       
   473 		        	RMemoryAllocator allocator(static_cast<CUPnPProtocolIntfBase *>( iProtIntf )->GetMemoryChunkManager());
       
   474 		        	if ( iMemChunk.IsEmpty() )
       
   475 		        		{
       
   476 		        		TUPnPMemoryUtils::CreateMemChunk(iMemChunk, currentMsg.iData, allocator);
       
   477 						RMemChunk memChunk = iMemChunk;
       
   478 						iParser->ParseRequest ( memChunk, iTransaction->Request() );
       
   479 		        		}
       
   480 		        	else
       
   481 		        		{
       
   482 		        		//In case of More data parse only new data and then append to iMemChunk.
       
   483 						RMemChunk mChunk;
       
   484 						TUPnPMemoryUtils::CreateMemChunk(mChunk, currentMsg.iData, allocator);
       
   485 						RMemChunk memChunk = mChunk;
       
   486 						iParser->ParseRequest ( memChunk, iTransaction->Request() );
       
   487 						iMemChunk.Append(mChunk);
       
   488 			        	}
       
   489 					}
       
   490 				}
       
   491 			break;
       
   492 
       
   493 			case TAppProtIntfMessage::TTransferConnection::EId:
       
   494 				{
       
   495 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TAppProtIntfMessage::TTransferConnection")));
       
   496 				// Now we are going to accept the connection. Create a new server handler and reset the parser
       
   497 				TAppProtIntfMessage::TTransferConnection& msg = message_cast < TAppProtIntfMessage::TTransferConnection > ( aMessage );
       
   498 
       
   499 				TransferConnectionL ( msg.iSocket, msg.iData );
       
   500 				}
       
   501 			break;
       
   502 
       
   503 			case TAppProtIntfMessage::TLeaveComplete::EId:
       
   504 				{
       
   505 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TAppProtIntfMessage::TLeaveComplete")));
       
   506 
       
   507 				// post dataclient stopped to controlprovider
       
   508 				if ( TNodeId::NullId () != iLastServiceControlProviderInfo.iControlProviderId )
       
   509 					{
       
   510 					RClientInterface::OpenPostMessageClose ( iLastServiceControlProviderInfo.iServiceId, iLastServiceControlProviderInfo.iControlProviderId, TCFDataClient::TStopped ( 0 ).CRef () );
       
   511 					}
       
   512 
       
   513 				// post destroy to service provider				
       
   514 				RClientInterface::OpenPostMessageClose ( NodeId (), iAppProtIntfId, TAppProtIntfMessage::TDestroy ().CRef () );
       
   515 					
       
   516 				// make self destruction
       
   517 				delete this;
       
   518 				}
       
   519 			break;
       
   520 
       
   521 			case TAppProtIntfMessage::TError::EId:
       
   522 				{
       
   523 				LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::ReceivedL - TAppProtIntfMessage::TError")));
       
   524 				//Note! Nothing to do if already leaving state,
       
   525 				// else need to send error to control clients and do listener cleanup
       
   526 				}
       
   527 			break;
       
   528 
       
   529 			default:
       
   530 			break;
       
   531 			}
       
   532 		}
       
   533 	}
       
   534 
       
   535 void CHttpServer::StopServer ()
       
   536 	{
       
   537 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::StopServer - Posting message TAppProtIntfMessage::TLeave")));
       
   538 	RClientInterface::OpenPostMessageClose ( TNodeCtxId ( MeshMachine::KActivityNull, NodeId () ), iAppProtIntfId, TAppProtIntfMessage::TClientLeavingRequest ().CRef () );				
       
   539 	}
       
   540 
       
   541 void CHttpServer::GotHeaders()
       
   542 	{
       
   543 	TRAPD(err, HttpRequestUtils::ValidateL(*(iTransaction->Request())));
       
   544 	if(err == KErrCorrupt)
       
   545 		{
       
   546 		// Generate an error response. 400 Bad Request
       
   547 		CHttpServerHandler::CreateResponse ( *(iTransaction->Response ()), HTTPStatus::EBadRequest );
       
   548 		iComposer->ComposeResponse ( iTransaction->Response () );
       
   549 		}
       
   550 
       
   551 	// If we are accepting the connection application protocol interface will
       
   552 	// send a TTransferConnection msg. In other case we will send a 404 Not Found response
       
   553 	else if ( MatchRequestUri () )
       
   554 		{
       
   555 		RClientInterface::OpenPostMessageClose ( TNodeCtxId ( MeshMachine::KActivityNull, NodeId () ), iAppProtIntfId, TAppProtIntfMessage::TAcceptConnection ().CRef () );	
       
   556 		}
       
   557 	else
       
   558 		{
       
   559 		// Generate an error response. 404 Not Found
       
   560 		CHttpServerHandler::CreateResponse ( *(iTransaction->Response ()), HTTPStatus::ENotFound );
       
   561 		iComposer->ComposeResponse ( iTransaction->Response () );
       
   562 		}
       
   563 	// We can reset the parser now as we completed the URI matching.
       
   564 	// Reset the parser as we don't need to parse anymore
       
   565 	iParser->ResetParser ();
       
   566 	}
       
   567 
       
   568 void CHttpServer::DataParsed ()
       
   569 	{
       
   570 	RClientInterface::OpenPostMessageClose ( NodeId (), iAppProtIntfId, TAppProtIntfMessage::TMoreData ().CRef () );	
       
   571 	}
       
   572 
       
   573 void CHttpServer::ParserError ( TInt /*aError*/ )
       
   574 	{
       
   575 	// Reset the parser as we don't need to parse anymore
       
   576 	iParser->ResetParser ();
       
   577 	// Generate an error response. 400 Bad request
       
   578 	CHttpServerHandler::CreateResponse ( *(iTransaction->Response ()), HTTPStatus::EBadRequest );
       
   579 	iComposer->ComposeResponse ( iTransaction->Response () );
       
   580 	}
       
   581 
       
   582 void CHttpServer::MessageDataReadyL ( RBuf8& aData )
       
   583 	{
       
   584 	RMBufChain data;	//Need to Check
       
   585 	data.CreateL(aData);
       
   586 	RejectConnection ( data );
       
   587 	iComposer->ResponseDataSent ();
       
   588  	iComposer->ResetComposer (); // composer's DataState is left in WaitingForRelease, so Reset it
       
   589 	}
       
   590 
       
   591 void CHttpServer::ComposerError ( TInt /*aError*/ )
       
   592 	{
       
   593 	RMBufChain data;
       
   594 	RejectConnection ( data );
       
   595 	iComposer->ResetComposer ();
       
   596 	}
       
   597 
       
   598 void CHttpServer::RejectConnection ( RMBufChain& aData )
       
   599 	{
       
   600 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::RejectConnection")));
       
   601 	
       
   602 	// Sending an eror response.
       
   603 	TAppProtIntfMessage::TRejectConnection msg ( aData );
       
   604 	RClientInterface::OpenPostMessageClose ( NodeId (), iAppProtIntfId, msg );
       
   605 	
       
   606 	// Reset our current transaction
       
   607 	iTransaction->Reset ();
       
   608 	}
       
   609 
       
   610 
       
   611 void CHttpServer::TransferConnectionL ( RInternalSocket& aSocket, RMBufChain& aData )
       
   612 	{
       
   613 	LOG(ESockLogExternal::Printf(KSubsysHttpServer, KComponent, _L8("CHttpServer::TransferConnectionL")));
       
   614 
       
   615 	if ( iIsLeaving )
       
   616 		{
       
   617 		aSocket.Close ();
       
   618 		}
       
   619 	else
       
   620 		{
       
   621 		CChunkManager* chunkMgr = static_cast<CUPnPProtocolIntfBase *>( iProtIntf )->GetMemoryChunkManager();
       
   622 		CHttpServerHandler* serverHandler = CHttpServerHandler::NewL ( aSocket, iMemChunk, *iServiceInfos, iServerHandlerArray, *iCodec, iStringPool, chunkMgr );
       
   623 		CleanupStack::PushL ( serverHandler );
       
   624 		iServerHandlerArray.AppendL ( serverHandler );
       
   625 		CleanupStack::Pop (); // serverHandler
       
   626 
       
   627 		iTransaction->Reset ();
       
   628 		}
       
   629 	aData.Free ();
       
   630 	
       
   631 	}