--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmmanager/cmmgr/cmmplugins/cmpluginwlan/src/cmwlancoveragecheck.cpp	Mon May 03 12:53:07 2010 +0300
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 2009-2010 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:
+*        Implementation of WLAN Coverage Check class
+*
+*/
+
+
+#include <wlanmgmtclient.h>
+
+#include "cmwlancoveragecheck.h"
+#include "cmpluginwlan.h"
+
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "cmwlancoveragecheckTraces.h"
+#endif
+
+
+/**
+* Management frame information element IDs.
+* needed to determine coverage
+*/
+enum T802Dot11InformationElementID
+    {
+    E802Dot11SsidIE                 = 0,
+    E802Dot11SupportedRatesIE       = 1,
+    E802Dot11FhParameterSetIE       = 2,
+    E802Dot11DsParameterSetIE       = 3,
+    E802Dot11CfParameterSetIE       = 4,
+    E802Dot11TimIE                  = 5,
+    E802Dot11IbssParameterSetIE     = 6,
+    E802Dot11CountryIE              = 7,
+    E802Dot11HoppingPatternParamIE  = 8,
+    E802Dot11HoppingPatternTableIE  = 9,
+    E802Dot11RequestIE              = 10,
+
+    E802Dot11ChallengeTextIE        = 16,
+    // Reserved for challenge text extension 17 - 31
+    E802Dot11ErpInformationIE       = 42,
+    E802Dot11ExtendedRatesIE        = 50,
+    E802Dot11AironetIE              = 133,
+    E802Dot11ApIpAddressIE          = 149,
+    E802Dot11RsnIE                  = 221
+    };
+
+
+// ======================= MEMBER FUNCTIONS =================================
+
+// ----------------------------------------------------------------------------
+// CCmWlanCoverageCheck::CCmWlanCoverageCheck()
+// ----------------------------------------------------------------------------
+//
+CCmWlanCoverageCheck::CCmWlanCoverageCheck() : CActive( EPriorityStandard )
+    {
+    OstTraceFunctionEntry1( CCMWLANCOVERAGECHECK_CCMWLANCOVERAGECHECK_ENTRY, this );
+    CActiveScheduler::Add( this );
+    OstTraceFunctionExit1( CCMWLANCOVERAGECHECK_CCMWLANCOVERAGECHECK_EXIT, this );
+    }
+
+// ----------------------------------------------------------------------------
+// CCmWlanCoverageCheck::~CCmWlanCoverageCheck()
+// ----------------------------------------------------------------------------
+//
+CCmWlanCoverageCheck::~CCmWlanCoverageCheck()
+    {
+    OstTraceFunctionEntry1( DUP1_CCMWLANCOVERAGECHECK_CCMWLANCOVERAGECHECK_ENTRY, this );
+    Cancel();
+    OstTraceFunctionExit1( DUP1_CCMWLANCOVERAGECHECK_CCMWLANCOVERAGECHECK_EXIT, this );
+    }
+
+// ----------------------------------------------------------------------------
+// CCmWlanCoverageCheck::DoCancel
+// ----------------------------------------------------------------------------
+//
+void CCmWlanCoverageCheck::DoCancel()
+    {
+    OstTraceFunctionEntry1( CCMWLANCOVERAGECHECK_DOCANCEL_ENTRY, this );
+    iWait.AsyncStop();
+    OstTraceFunctionExit1( CCMWLANCOVERAGECHECK_DOCANCEL_EXIT, this );
+    }
+
+// ----------------------------------------------------------------------------
+// CCmWlanCoverageCheck::RunL
+// ----------------------------------------------------------------------------
+//
+void CCmWlanCoverageCheck::RunL()
+    {
+    OstTraceFunctionEntry1( CCMWLANCOVERAGECHECK_RUNL_ENTRY, this );
+
+    switch ( iProgState )
+        {
+        case EScanning:
+            {
+            if ( iStatus.Int() == KErrNone )
+                {
+                // The list is ready.
+                iProgState = EDone;
+                iWait.AsyncStop();
+                }
+            else
+                {
+                // Something went wrong -> no coverage.
+                iWait.AsyncStop();
+                }
+            }
+            break;
+        case EDone:
+            {
+            iWait.AsyncStop();
+            }
+            break;
+        default:
+            {
+            User::Leave( KErrCorrupt );
+            }
+            break;
+        }
+
+    OstTraceFunctionExit1( CCMWLANCOVERAGECHECK_RUNL_EXIT, this );
+    }
+
+// ----------------------------------------------------------------------------
+// CCmWlanCoverageCheck::GetCoverageL
+// ----------------------------------------------------------------------------
+//
+TBool CCmWlanCoverageCheck::GetCoverageL()
+    {
+    OstTraceFunctionEntry0( CCMWLANCOVERAGECHECK_GETCOVERAGEL_ENTRY );
+
+    iProgState = EServiceStatus;
+    iCoverage = EFalse;
+
+    CWlanMgmtClient* wlanMgmt = CWlanMgmtClient::NewL();
+    CleanupStack::PushL( wlanMgmt );
+
+    CWlanScanInfo* scanInfo = CWlanScanInfo::NewL();
+    CleanupStack::PushL( scanInfo );
+
+    iProgState = EScanning;
+
+    wlanMgmt->GetScanResults( iStatus, *scanInfo );
+
+    SetActive();
+    iWait.Start();
+
+    // now we have the results and might start to work on them...
+    if ( iProgState == EDone )
+        { //finished without error, work on the result...
+
+        for ( scanInfo->First(); !scanInfo->IsDone(); scanInfo->Next() )
+            {
+            TBool isHidden( EFalse );
+
+            TUint8 ieLen( 0 );
+            const TUint8* ieData;
+
+            TInt ret = scanInfo->InformationElement( E802Dot11SsidIE, ieLen,
+                                                      &ieData );
+            if ( ret == KErrNone )
+                {
+                isHidden = IsHiddenSsid( ieLen, ieData );
+                if ( !isHidden )
+                    {
+                    // WLAN awailable...stop searching.
+                    iCoverage = ETrue;
+                    break;
+                    }
+                }
+            else
+                {
+                User::Leave( ret );
+                }
+            }
+
+        CleanupStack::PopAndDestroy( 2, wlanMgmt );
+        }
+    else
+        {
+        // Clean the cleanupstack in case status is KErrNone
+        CleanupStack::PopAndDestroy( scanInfo );
+        CleanupStack::PopAndDestroy( wlanMgmt );
+
+        User::LeaveIfError( iStatus.Int() );
+        }
+
+    OstTraceFunctionExit0( CCMWLANCOVERAGECHECK_GETCOVERAGEL_EXIT );
+    return iCoverage;
+    }
+
+// ---------------------------------------------------------
+// CCmWlanCoverageCheck::IsHiddenSsid
+// ---------------------------------------------------------
+//
+TBool CCmWlanCoverageCheck::IsHiddenSsid(
+        TUint aSsidLength,
+        const TUint8* aSsid ) const
+    {
+    OstTraceFunctionEntryExt( CCMWLANCOVERAGECHECK_ISHIDDENSSID_ENTRY, this );
+
+    const TUint8 CSPACE = 0x20;
+    TBool result( EFalse );
+    TBool result2( ETrue );
+
+    if ( !aSsidLength )
+        {
+        result = ETrue;
+        }
+
+    TInt count( 0 );
+    TUint8 temp( 0x00 );
+
+    for ( TUint i( 0 ); i < aSsidLength; ++i )
+        {
+        temp = aSsid[i];
+        count += temp; // in hidden networks characters are: 0x00
+        result2 &= temp == CSPACE ;
+        }
+
+    if ( !count || result2 )
+        {
+        result = ETrue;
+        }
+
+    OstTraceFunctionExitExt( CCMWLANCOVERAGECHECK_ISHIDDENSSID_EXIT, this, result );
+    return result;
+    }
+