hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/CSocketReader.cpp
changeset 0 a03f92240627
child 4 73ff0d268e1d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/CSocketReader.cpp	Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,187 @@
+/*
+* Copyright (c) 2009 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:  Socket reader
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "CSocketReader.h"
+#include "MSocketReaderObserver.h"
+#include <badesca.h>
+
+#define DEBUG_FILENAME "IPProxyEngine.log"
+#include "DebugPrint.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSocketReader::CSocketReader
+// -----------------------------------------------------------------------------
+//
+CSocketReader::CSocketReader( RSocket& aSocket,
+        TInt aUDPRemotePort /*= -1*/ ) :
+    CActive( EPriorityStandard ),
+    iSocket( aSocket ),
+    iUDPRemotePort( aUDPRemotePort )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    IssueRead();
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::NewL
+// -----------------------------------------------------------------------------
+//
+CSocketReader* CSocketReader::NewL( RSocket& aSocket,
+        TInt aUDPRemotePort /*= -1*/ )
+    {
+    CSocketReader* self = CSocketReader::NewLC( aSocket, aUDPRemotePort );
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::NewLC
+// -----------------------------------------------------------------------------
+//
+CSocketReader* CSocketReader::NewLC( RSocket& aSocket,
+        TInt aUDPRemotePort /*= -1*/ )
+    {
+    CSocketReader* self = new( ELeave ) CSocketReader( aSocket, aUDPRemotePort );
+    CleanupStack::PushL( self );
+
+    self->ConstructL();
+    return self;
+    }
+
+
+// Destructor
+CSocketReader::~CSocketReader()
+    {
+    Cancel();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CSocketReader::SetObserver
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::SetObserver( MSocketReaderObserver* aObserver )
+    {
+    iObserver = aObserver;
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::IssueRead
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::IssueRead()
+    {
+    DEBUG_PRINT( DEBUG_STRING(
+        "CSocketReader::IssueRead +" ) );
+
+    __ASSERT_ALWAYS( !IsActive() || iStatus != KRequestPending,
+        User::Panic( _L ( "s-reader" ), 1 ) );
+
+    TProtocolDesc desc;
+    TInt err = iSocket.Info( desc );
+    DEBUG_PRINT( DEBUG_STRING(
+        "CSocketReader::IssueRead, err = %d" ), err );
+    DEBUG_PRINT( DEBUG_STRING(
+        "desc.iProtocol = %d, iUDPRemotePort=%d" ), desc.iProtocol, iUDPRemotePort );
+
+    if ( desc.iProtocol == KProtocolInetUdp && iUDPRemotePort > -1 )
+        {
+        // UDP
+        DEBUG_PRINT( DEBUG_STRING(
+            "CSocketReader::IssueRead(), UDP, local port=%d" ), iUDPRemotePort );
+        iSocket.RecvFrom( iReadBuffer, iUDPRemoteAddr, 0, iStatus );
+        }
+    else
+        {
+        // TCP
+        DEBUG_PRINT( DEBUG_STRING(
+            "CSocketReader::IssueRead(), TCP, local port=%d" ), iSocket.LocalPort() );
+        iSocket.RecvOneOrMore( iReadBuffer, 0, iStatus, iReceivedDataLength );
+        }
+
+    SetActive();
+    DEBUG_PRINT( DEBUG_STRING(
+        "CSocketReader::IssueRead() -" ) );
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::Start
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::Start()
+    {
+    DEBUG_PRINT( DEBUG_STRING(
+        "CSocketReader::Start" ) );
+    if ( !IsActive() )
+        {
+        IssueRead();
+        }
+    }
+// -----------------------------------------------------------------------------
+// CSocketReader::RunL
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::RunL()
+    {
+    TInt status = iStatus.Int();
+    if ( status == KErrNone )
+        {
+        iObserver->DataReceivedL( iReadBuffer );
+        iReadBuffer.SetLength( 0 );
+        IssueRead();
+        }
+    else
+        {
+        iObserver->ReaderErrorL( status );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CSocketReader::DoCancel()
+    {
+    iSocket.CancelRead();
+    }
+
+// -----------------------------------------------------------------------------
+// CSocketReader::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CSocketReader::RunError( TInt aError )
+    {
+    iObserver->ObserverLeaved( aError );
+    iReadBuffer.SetLength( 0 );
+    IssueRead();
+    return KErrNone;
+    }
+