hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/Ctcpportlistener.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/Ctcpportlistener.cpp Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,186 @@
+/*
+* 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: Listens TCP port
+*
+*/
+
+
+// INCLUDE FILES
+#include "Ctcpportlistener.h"
+#include "MTCPPortListenerObserver.h"
+#include <in_sock.h>
+
+#define DEBUG_FILENAME "IPProxyEngine.log"
+#include "DebugPrint.h"
+
+// LOCAL CONSTANTS
+const TInt KMaxConnectionsInQueue = 8;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::CTCPPortListener
+// -----------------------------------------------------------------------------
+//
+CTCPPortListener::CTCPPortListener( TInt aPort,
+ MTCPPortListenerObserver* aObserver ) :
+ CActive( EPriorityStandard ), iObserver( aObserver ), iPort( aPort )
+ {
+ __ASSERT_DEBUG( iObserver, User::Invariant() );
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CTCPPortListener::ConstructL()
+ {
+ //Message slots needed is two per socket (read and write) + 1 for
+ //synchronous requests.
+ User::LeaveIfError(
+ iSocketServer.Connect( 2 * KMaxConnectionsInQueue + 1 ) );
+
+ User::LeaveIfError( iListeningSocket.Open(
+ iSocketServer, KAfInet, KSockStream, KProtocolInetTcp ) );
+
+ iAcceptedSocket = new (ELeave) RSocket;
+ User::LeaveIfError( iAcceptedSocket->Open( iSocketServer ) );
+
+ TSockAddr addr;
+ addr.SetPort( iPort );
+ User::LeaveIfError( iListeningSocket.Bind( addr ) );
+
+ CActiveScheduler::Add( this );
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::NewL
+// -----------------------------------------------------------------------------
+//
+CTCPPortListener* CTCPPortListener::NewL( TInt aPort,
+ MTCPPortListenerObserver* aObserver )
+ {
+ CTCPPortListener* self = CTCPPortListener::NewLC( aPort,
+ aObserver );
+ CleanupStack::Pop();
+
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::NewLC
+// -----------------------------------------------------------------------------
+//
+CTCPPortListener* CTCPPortListener::NewLC( TInt aPort,
+ MTCPPortListenerObserver* aObserver )
+ {
+ CTCPPortListener* self = new( ELeave ) CTCPPortListener( aPort,
+ aObserver );
+ CleanupStack::PushL( self );
+
+ self->ConstructL();
+ return self;
+ }
+
+
+// Destructor
+CTCPPortListener::~CTCPPortListener()
+ {
+ Cancel();
+ iListeningSocket.Close();
+ if ( iAcceptedSocket )
+ {
+ iAcceptedSocket->Close();
+ delete iAcceptedSocket;
+ }
+ iSocketServer.Close();
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::IssueListen
+// -----------------------------------------------------------------------------
+//
+void CTCPPortListener::IssueListen()
+ {
+ __ASSERT_DEBUG( iAcceptedSocket, User::Invariant() );
+
+ iListeningSocket.Listen( KMaxConnectionsInQueue );
+ iListeningSocket.Accept( *iAcceptedSocket, iStatus );
+ SetActive();
+
+ DEBUG_PRINT( DEBUG_STRING(
+ "CTCPPortListener::IssueListen completed, port %d" ), iPort );
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::Port
+// -----------------------------------------------------------------------------
+//
+TInt CTCPPortListener::Port() const
+ {
+ return iPort;
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::RunL
+// -----------------------------------------------------------------------------
+//
+void CTCPPortListener::RunL()
+ {
+ if ( iStatus.Int() == KErrNone )
+ {
+ // Allocate new RSocket first
+ RSocket* next = new ( ELeave ) RSocket;
+ CleanupStack::PushL( next );
+ User::LeaveIfError( next->Open( iSocketServer ) );
+ CleanupClosePushL( *next );
+
+ // temp will be passed to observer
+ RSocket* temp = iAcceptedSocket;
+
+ // Takes ownership of temp immediately
+ iObserver->ConnectionAcceptedL( temp );
+
+ CleanupStack::Pop(); // *next
+ CleanupStack::Pop( next );
+ iAcceptedSocket = next;
+
+ iListeningSocket.Accept( *iAcceptedSocket, iStatus );
+ SetActive();
+ DEBUG_PRINT( DEBUG_STRING(
+ "CTCPPortListener::RunL(), connection accepted, port %d" ), iPort );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CTCPPortListener::DoCancel()
+ {
+ iListeningSocket.CancelAccept();
+ }
+
+// -----------------------------------------------------------------------------
+// CTCPPortListener::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CTCPPortListener::RunError( TInt aError )
+ {
+ iObserver->ObserverLeaved( aError );
+ return KErrNone;
+ }
+
+
+// End of File