hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/Ctcpportlistener.cpp
branchRCL_3
changeset 59 8ad140f3dd41
--- /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