--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/src/svpemergencyconnection.cpp	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,311 @@
+/*
+* Copyright (c) 2007-2008 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:  Provides connection for emergency call when necessary
+*
+*/
+
+
+
+#include <nifman.h>   // For global variables
+
+#include "svpemergencyconnection.h"
+#include "svplogger.h" // For logging
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CSVPEmergencyConnection
+// ---------------------------------------------------------------------------
+//
+CSVPEmergencyConnection::CSVPEmergencyConnection( 
+    TPriority aPriority, MSVPEmergencyConnectionObserver& aObserver )
+    : CActive( aPriority ), 
+      iObserver( aObserver )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::ConstructL()
+    {
+    SVPDEBUG1("CSVPEmergencyConnection::ConstructL()")
+    
+    User::LeaveIfError( iSocketServer.Connect() );
+    User::LeaveIfError( iConnection.Open( iSocketServer ) );
+    }
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CSVPEmergencyConnection* CSVPEmergencyConnection::NewL( 
+    TPriority aPriority, MSVPEmergencyConnectionObserver& aObserver )
+    {
+    CSVPEmergencyConnection* self = CSVPEmergencyConnection::NewLC( 
+        aPriority, aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+// ---------------------------------------------------------------------------
+// NewLC
+// ---------------------------------------------------------------------------
+//
+CSVPEmergencyConnection* CSVPEmergencyConnection::NewLC( 
+    TPriority aPriority, MSVPEmergencyConnectionObserver& aObserver )
+    {
+    CSVPEmergencyConnection* self = 
+        new( ELeave ) CSVPEmergencyConnection( aPriority, aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+    
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CSVPEmergencyConnection::~CSVPEmergencyConnection()
+    {
+    SVPDEBUG1("CSVPEmergencyConnection::~CSVPEmergencyConnection()")
+    
+    Cancel();
+
+    iConnection.Close();
+    iSocketServer.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// Connects asynchronically with SNAP ID
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::ConnectWithSnapIdL( TUint32 aSnapId )
+    {
+    SVPDEBUG2("CSVPEmergencyConnection::ConnectWithSnapIdL, ID: %d", aSnapId)
+
+    if ( IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+
+    // Start connection
+    iRequestType = ESVPSnapConnect;
+    iSnapConnPref.SetSnap( aSnapId );
+    iConnection.Start( iSnapConnPref, iStatus );
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// Returns the used IAP ID of SNAP connection
+// ---------------------------------------------------------------------------
+//
+TInt CSVPEmergencyConnection::IapId( TUint32& aIapId )
+    {
+    SVPDEBUG1("CSVPEmergencyConnection::IapIdL()")
+    
+    _LIT( KIapId, "IAP\\Id" );
+    TRAPD( error, iConnection.GetIntSetting( KIapId, aIapId ) )
+    return error;
+    }
+
+// ---------------------------------------------------------------------------
+// Connects with IAP ID
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::ConnectL( TUint32 aIapId )
+    {
+    SVPDEBUG2("CSVPEmergencyConnection::ConnectL(), IAP ID: %d", aIapId)
+    
+    if ( IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+    
+    // Start connection
+    iRequestType = ESVPConnect;
+    iConnPref.SetIapId( aIapId );
+    iConnPref.SetDialogPreference( ECommDbDialogPrefDoNotPrompt );
+    iConnection.Start( iConnPref, iStatus );
+    SetActive();
+    }
+
+// ---------------------------------------------------------------------------
+// Requests for SIP proxy address
+// ---------------------------------------------------------------------------
+//
+#ifdef _DEBUG
+void CSVPEmergencyConnection::RequestSipProxyAddressL( TUint32 aIapId )
+#else
+void CSVPEmergencyConnection::RequestSipProxyAddressL( TUint32 /*aIapId*/ )
+#endif // __DEBUG
+    {
+    SVPDEBUG2("CSVPEmergencyConnection::RequestSipProxyAddressL(),\
+        IAP ID: %d", aIapId)
+
+    if ( IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+
+    // Request SIP proxy address
+    iRequestType = ESVPSipProxyAddress;
+    iSipServerAddrBuf().index = 0;
+    iConnection.Ioctl( 
+        KCOLConfiguration, 
+        KConnGetSipServerAddr, // DHCP option 120
+        iStatus, 
+        &iSipServerAddrBuf );
+    SetActive();
+    }
+    
+// ---------------------------------------------------------------------------
+// From class CSVPEmergencyConnection.
+// DoCancel
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::DoCancel()
+    {
+    SVPDEBUG1("CSVPEmergencyConnection::DoCancel()")
+    
+    iRequestType = ESVPNone;
+    iConnection.CancelIoctl();
+    iConnection.Close();
+    }
+    
+// ---------------------------------------------------------------------------
+// From class CActive.
+// RunL
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::RunL()
+    {
+    TInt error = iStatus.Int();
+    SVPDEBUG2( "CSVPEmergencyConnection::RunL(), error: %d", error )
+    SVPDEBUG2( "CSVPEmergencyConnection::RunL(), Request type: %d", iRequestType )
+    
+    // execution goes to RunError() if error occured
+    User::LeaveIfError( iStatus.Int() );
+    switch ( iRequestType )
+        {
+        case ESVPSnapConnect:
+            SVPDEBUG1( "CSVPEmergencyConnection::RunL() - ESVPSnapConnect" )
+            iRequestType = ESVPNone;
+            iObserver.SnapConnected();
+            break;
+        
+        case ESVPConnect:
+            SVPDEBUG1( "CSVPEmergencyConnection::RunL() - ESVPConnect" )
+            iRequestType = ESVPNone;
+            iObserver.Connected();
+            break;
+            
+        case ESVPSipProxyAddress:
+            {
+            SVPDEBUG1( "CSVPEmergencyConnection::RunL() - ESVPSipProxyAddress" )
+            iRequestType = ESVPNone;
+            
+            // Copy SIP proxy address in dotted-decimal notation
+            HBufC16* sipProxyAddrBuf = HBufC16::NewLC( 39 ); // CS:1
+            TPtr16 sipProxyAddrPtr = sipProxyAddrBuf->Des();
+            iSipServerAddrBuf().address.Output( sipProxyAddrPtr );
+            SVPDEBUG2(
+                    "CSVPEmergencyConnection::RunL(), iSipServerAddrBuf: %S",
+                    sipProxyAddrBuf )
+            // Call observer
+            iObserver.SipProxyAddressReady( *sipProxyAddrBuf );
+            CleanupStack::PopAndDestroy( sipProxyAddrBuf ); // CS:0
+            break;
+            }
+        case ESVPSipDomainAddress:
+            {
+            SVPDEBUG1( "CSVPEmergencyConnection::RunL() - ESVPSipDomainAddress" )
+            iRequestType = ESVPNone;
+            
+            // Copy SIP proxy domain in dotted-decimal notation
+            HBufC16* sipDomainAddrBuf = HBufC16::NewLC( iSipServerDomainBuf().domainName.Length() ); // CS:1
+            TPtr16 sipDomainAddrPtr = sipDomainAddrBuf->Des();
+            sipDomainAddrPtr.Copy( iSipServerDomainBuf().domainName );
+            SVPDEBUG2(
+                    "CSVPEmergencyConnection::RunL(), iSipDomainAddrBuf: %S",
+                    sipDomainAddrBuf )
+            // Call observer
+            iObserver.SipProxyAddressReady( *sipDomainAddrBuf );
+            CleanupStack::PopAndDestroy( sipDomainAddrBuf ); // CS:0
+            break;
+            }
+            
+        default:
+            SVPDEBUG1( "CSVPEmergencyConnection::RunL() - Default" )
+            iRequestType = ESVPNone;
+            iObserver.ConnectionError( KErrGeneral );
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPEmergencyConnection::RunError
+//
+// ---------------------------------------------------------------------------
+//
+TInt CSVPEmergencyConnection::RunError( TInt aError )
+    {
+    SVPDEBUG2( "CSVPEmergencyConnection::RunError() %d", aError )
+    if ( iRequestType == ESVPSipProxyAddress )
+        {
+        /* 
+         * sip proxy address might be NULL if requested with KConnGetSipServerAddr
+         * and dhcp returns domain name to sip, instead of ipv4 or ipv6 type address.
+         * So try once again with KConnGetSipServerDomain.
+         */
+        SVPDEBUG1( "CSVPEmergencyConnection::RunError() - RequestDomain" )
+        RequestSipServerDomainL();    
+        return KErrNone;
+        }
+    else
+        {
+        iRequestType = ESVPNone;
+        SVPDEBUG2( "CSVPEmergencyConnection::RunError() - Notify Observer ConnectionError( %d )", aError )
+        iObserver.ConnectionError( aError );
+        return KErrNone;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Requests for SIP proxy address
+// ---------------------------------------------------------------------------
+//
+void CSVPEmergencyConnection::RequestSipServerDomainL()
+    {
+    SVPDEBUG1( 
+        "CSVPEmergencyConnection::RequestSipServerDomainL() - Try to get Sip server domain" )
+
+    if ( IsActive() )
+        {
+        User::Leave( KErrInUse );
+        }
+
+    iRequestType = ESVPSipDomainAddress;
+    iSipServerDomainBuf().index = 0;
+    // Request SIP server domain
+    iConnection.Ioctl(
+        KCOLConfiguration,
+        KConnGetSipServerDomain, // domain in textual format
+        iStatus,
+        &iSipServerDomainBuf );
+    SetActive();
+    }