--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voipplugins/dhcppositionprovider/src/dhcpserveripaddressresolver.cpp	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,179 @@
+/*
+* Copyright (c) 2007 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:  Resolve ip address of the DHCP server at the WLAN network
+*
+*/
+
+
+#include <e32std.h>
+#include <es_sock.h>
+#include "dhcppsylogging.h"
+#include "dhcpconstants.h"
+#include "dhcpserveripaddressresolver.h"
+
+const TInt KDhcpPeriodicTimerInterval05Sec(500000);
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CDhcpPsyDhcpServerIPResolver* CDhcpPsyDhcpServerIPResolver::NewL( RConnection& aConnection,
+        TRequestStatus& aStatus )
+    {
+    TRACESTRING ( "CDhcpPsyDhcpServerIPResolver::NewL" );
+    CDhcpPsyDhcpServerIPResolver* self = new( ELeave ) CDhcpPsyDhcpServerIPResolver(
+        aConnection, aStatus );
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CDhcpPsyDhcpServerIPResolver::~CDhcpPsyDhcpServerIPResolver()
+    {
+    TRACESTRING( "CDhcpPsyDhcpServerIPResolver::~CDhcpPsyDhcpServerIPResolver" );
+    Cancel();
+    delete iPeriodicTimer;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ onstructor
+// ---------------------------------------------------------------------------
+//
+CDhcpPsyDhcpServerIPResolver::CDhcpPsyDhcpServerIPResolver( RConnection& aConnection,
+        TRequestStatus& aStatus) : CActive ( EPriorityStandard ), iConnection(aConnection),
+        iClientStatus (aStatus)
+    {
+    TRACESTRING( "CDhcpPsyDhcpServerIPResolver::CDhcpPsyDhcpServerIPResolver" );
+    CActiveScheduler::Add( this );
+    iInetAddress.Init (KAfInet6);
+    }
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CDhcpPsyDhcpServerIPResolver::ConstructL()
+    {
+    TRACESTRING( "CDhcpPsyDhcpServerIPResolver::ConstructL" );
+    iClientStatus = KRequestPending;
+    iPckg().iAddr.SetFamily( KAfInet6 );    // Ipv 6, contains support both
+                                            // ipv4 and ipv6 versions
+                                            //
+    iConnection.Ioctl( KCOLConfiguration, KConnGetServerAddr,
+        iStatus, &iPckg );
+
+    SetActive ();
+
+    // Initialize the periodic timer.
+    iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityIdle);
+    // Start the periodic timer, when ever the time elapsed
+    // the PeriodicTimerCallBack() will get called.
+    iPeriodicTimer->Start(KDhcpPeriodicTimerInterval05Sec,
+            KDhcpPeriodicTimerInterval05Sec, TCallBack(PeriodicTimerCallBack,
+            this));
+
+    }
+
+// ---------------------------------------------------------------------------
+// RunL
+// ---------------------------------------------------------------------------
+//
+void CDhcpPsyDhcpServerIPResolver::RunL()
+    {
+    TRACESTRING( "CDhcpPsyDhcpServerIPResolver::RunL");
+    iDhcpResponseReceived = ETrue;
+    TInt result = iStatus.Int();
+    TRACESTRING2( "CDhcpPsyDhcpServerIPResolver::RunL, result %d",result);
+    if (result==KErrNone)
+        {
+        iInetAddress = TInetAddr::Cast(iPckg().iAddr);
+        }
+    iPeriodicTimer->Cancel();
+    CompleteRequest (result);
+    }
+
+// ---------------------------------------------------------------------------
+// DhcpServerAddress
+// ---------------------------------------------------------------------------
+//
+TInetAddr& CDhcpPsyDhcpServerIPResolver::DhcpServerInetAddress ()
+    {
+    TRACESTRING2 ( "CDhcpPsyDhcpServerIPResolver::DhcpServerInetAddress, %u ",
+            iInetAddress.Address());
+    return iInetAddress;
+    }
+
+// ---------------------------------------------------------------------------
+// DoCancel
+// ---------------------------------------------------------------------------
+//
+void CDhcpPsyDhcpServerIPResolver::DoCancel()
+    {
+    TRACESTRING( "CDhcpPsyDhcpServerIPResolver::DoCancel" );
+    iConnection.CancelIoctl();
+    if (iPeriodicTimer)
+        {
+        iPeriodicTimer->Cancel();
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CDhcpPsyDhcpServerIPResolver::CancelOutstandigRequest
+// ----------------------------------------------------------------------------
+//
+void CDhcpPsyDhcpServerIPResolver::CancelOutstandigRequest ()
+    {
+    TRACESTRING ( "CDhcpPsyDhcpServerIPResolver::CancelOutstandigRequest ");
+    iConnection.CancelIoctl();
+    if (!iDhcpResponseReceived)
+        {
+        // If real dhcp server can't found, we have to use the broadcast address
+        // Most probaply, device is behind of wlan subnet which has not own dhcp server.
+        iInetAddress.SetAddress(KInetAddrBroadcast);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CDhcpPsyDhcpServerIPResolver::CompleteRequest
+// ----------------------------------------------------------------------------
+//
+void CDhcpPsyDhcpServerIPResolver::CompleteRequest (TInt aStatusCode)
+    {
+    TRACESTRING2 ( "CDhcpPsyDhcpServerIPResolver::CompleteRequest, status %d ",
+            aStatusCode);
+    TRequestStatus* status = &iClientStatus;
+    User::RequestComplete(status, aStatusCode);
+    }
+
+// ----------------------------------------------------------------------------
+// CDhcpPsyDhcpServerIPResolver::PeriodicTimerCallBack
+// ----------------------------------------------------------------------------
+//
+TInt CDhcpPsyDhcpServerIPResolver::PeriodicTimerCallBack(TAny* aAny)
+    {
+    TRACESTRING ( "CDhcpPsyDhcpServerIPResolver::PeriodicTimerCallBack ");
+    CDhcpPsyDhcpServerIPResolver* self = STATIC_CAST(CDhcpPsyDhcpServerIPResolver*, aAny);
+    // Cancel outstanding requests
+    self->CancelOutstandigRequest();
+    return KErrNone;
+    }
+
+// End of file