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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* Symbian platform specific implementation of WLAN scanning.
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*/
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// System includes
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#include <QList>
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#include <cmmanagerdefines_shim.h>
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#include <utf.h>
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// User includes
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#include "wlanqtutils.h"
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#include "wlanqtutilsap.h"
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#include "wlanqtutilsscan.h"
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#include "wlanqtutilsscan_symbian.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "wlanqtutilsscan_symbianTraces.h"
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#endif
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/*!
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\class WlanQtUtilsScanPrivate
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\brief Symbian platform specific implementation of WLAN scanning.
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Symbian platform specific implementation of WLAN scanning.
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*/
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// External function prototypes
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// Local constants
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// Information Element ID for SSID as specified in 802.11.
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static const TUint8 KWlan802Dot11SsidIE = 0;
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// Bit mask for Capability info field to get type (Infra/AdHoc).
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static const TUint8 KWlan802Dot11CapabilityEssMask = 0x0001;
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// ======== LOCAL FUNCTIONS ========
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// ======== MEMBER FUNCTIONS ========
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/*!
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Static factory constructor.
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@param [in,out] wrapper Public implementation class reference.
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@return New instance of the class.
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*/
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WlanQtUtilsScanPrivate *WlanQtUtilsScanPrivate::NewL(WlanQtUtilsScan *wrapper)
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_NEWL_ENTRY);
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WlanQtUtilsScanPrivate *self = new (ELeave) WlanQtUtilsScanPrivate(wrapper);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_NEWL_EXIT);
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return self;
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}
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/*!
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Destructor.
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*/
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WlanQtUtilsScanPrivate::~WlanQtUtilsScanPrivate()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_WLANQTUTILSSCANPRIVATE_ENTRY);
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Cancel();
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delete mWlanMgmtClient;
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mWlanMgmtClient = NULL;
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delete mResults;
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mResults = NULL;
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_WLANQTUTILSSCANPRIVATE_EXIT);
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}
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/*!
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Starts a broadcast scan of available access points.
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*/
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void WlanQtUtilsScanPrivate::Scan()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_SCAN_ENTRY);
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// Scanning while previous scan is not complete is not supported
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Q_ASSERT(!IsActive());
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// Make the scan
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mWlanMgmtClient->GetScanResults(iStatus, *mResults);
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SetActive();
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_SCAN_EXIT);
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}
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/*!
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Starts a direct scan of available access points having given SSID.
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@param ssid SSID to scan.
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*/
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void WlanQtUtilsScanPrivate::Scan(const QString &ssid)
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_SCAN_SSID_ENTRY);
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// Scanning while previous scan is not complete is not supported
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Q_ASSERT(!IsActive());
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// Convert from QString to TBuf8
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TBuf<KWlanMaxSsidLength> buffer(ssid.utf16());
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TInt error = CnvUtfConverter::ConvertFromUnicodeToUtf8(mWlanSsid, buffer);
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qt_symbian_throwIfError(error);
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OstTraceExt1(
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TRACE_NORMAL,
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WLANQTUTILSSCANPRIVATE_SCAN_SSID,
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"WlanQtUtilsScanPrivate::Scan;mWlanSsid=%s",
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mWlanSsid);
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// Make the scan
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mWlanMgmtClient->GetScanResults(mWlanSsid, iStatus, *mResults);
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SetActive();
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_SCAN_SSID_EXIT);
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}
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/*!
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Stops an ongoing scan.
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*/
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void WlanQtUtilsScanPrivate::StopScan()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_STOPSCAN_ENTRY);
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Cancel();
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_STOPSCAN_EXIT);
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}
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/*!
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Scan results handler.
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*/
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void WlanQtUtilsScanPrivate::RunL()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_RUNL_ENTRY);
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QT_TRYCATCH_LEAVING(
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if (iStatus != KErrNone) {
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emit q_ptr->scanFailed(WlanQtUtils::ScanStatusError);
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} else {
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QList< QSharedPointer<WlanQtUtilsAp> > scanResults;
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ExtractScanResults(scanResults);
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// Inform about the results
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emit q_ptr->availableWlanAps(scanResults);
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}
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);
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_RUNL_EXIT);
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}
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/*!
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Cancels an outstanding request.
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*/
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void WlanQtUtilsScanPrivate::DoCancel()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_DOCANCEL_ENTRY);
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mWlanMgmtClient->CancelGetScanResults();
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_DOCANCEL_EXIT);
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}
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/*!
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Constructor.
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@param [in,out] wrapper Public implementation class reference.
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*/
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WlanQtUtilsScanPrivate::WlanQtUtilsScanPrivate(WlanQtUtilsScan *wrapper) :
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CActive(EPriorityStandard),
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q_ptr(wrapper),
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mWlanMgmtClient(NULL),
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mResults(NULL)
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{
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OstTraceFunctionEntry0(DUP1_WLANQTUTILSSCANPRIVATE_WLANQTUTILSSCANPRIVATE_ENTRY);
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OstTraceFunctionExit0(DUP1_WLANQTUTILSSCANPRIVATE_WLANQTUTILSSCANPRIVATE_EXIT);
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}
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/*!
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Second phase constructor.
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*/
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void WlanQtUtilsScanPrivate::ConstructL()
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{
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OstTraceFunctionEntry0(WLANQTUTILSSCANPRIVATE_CONSTRUCTL_ENTRY);
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CActiveScheduler::Add(this);
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mWlanMgmtClient = CWlanMgmtClient::NewL();
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mResults = CWlanScanInfo::NewL();
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OstTraceFunctionExit0(WLANQTUTILSSCANPRIVATE_CONSTRUCTL_EXIT);
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}
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/*
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Extracts scan results and stores them into the given AP list.
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@param [out] scanResults Scan result list.
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*/
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void WlanQtUtilsScanPrivate::ExtractScanResults(
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QList< QSharedPointer<WlanQtUtilsAp> > &scanResults)
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{
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for (mResults->First(); !mResults->IsDone(); mResults->Next()) {
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// Create an access point for each result
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QSharedPointer<WlanQtUtilsAp> ap(new WlanQtUtilsAp());
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// SSID
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QString ssid = ExtractSsid();
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// Skip over hidden networks. There is no spec for what
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// their names will contain, but at least names with only
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// null characters and whitespace characters are seen
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// in real life.
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if (ssid.trimmed().isEmpty()) {
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continue;
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}
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ap->setValue(WlanQtUtilsAp::ConfIdSsid, ssid);
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// BSSID
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QByteArray bssid = ExtractBssid();
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ap->setValue(WlanQtUtilsAp::ConfIdBssid, bssid);
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// Signal strength
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ap->setValue(
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WlanQtUtilsAp::ConfIdSignalStrength,
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(int)mResults->RXLevel());
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// Connection Mode
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CMManagerShim::WlanConnMode connMode;
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if (mResults->Capability() & KWlan802Dot11CapabilityEssMask) {
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connMode = CMManagerShim::Infra;
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} else {
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connMode = CMManagerShim::Adhoc;
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}
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ap->setValue(WlanQtUtilsAp::ConfIdConnectionMode, (int)connMode);
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// Security Mode parameters
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StoreSecMode(ap, mResults->ExtendedSecurityMode());
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// Hidden attribute
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// These scan results do not tell if the AP is hidden or not
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ap->setValue(WlanQtUtilsAp::ConfIdHidden, false);
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// WPS support
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TBool wpsSupported = mResults->IsProtectedSetupSupported();
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ap->setValue(
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WlanQtUtilsAp::ConfIdWpsSupported,
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(wpsSupported == EFalse) ? false : true);
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// Append the AP to scan result list
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scanResults.append(ap);
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}
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}
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/*!
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Extracts and cleans up the WLAN SSID from current scan result element.
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@return SSID string.
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*/
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QString WlanQtUtilsScanPrivate::ExtractSsid()
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{
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// Get the SSID in raw data format
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TUint8 ieLen;
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const TUint8* ieData;
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TInt ret = mResults->InformationElement(KWlan802Dot11SsidIE, ieLen, &ieData);
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// Convert into QString
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QString ssid;
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if (ret == KErrNone && ieLen > 0) {
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// Trace the buffer as data to ease low level debugging
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OstTraceData(
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TRACE_DUMP,
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WLANQTUTILSSCANPRIVATE_EXTRACTSSID_DATA,
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"WlanQtUtilsScanPrivate::ExtractSsid data 0x%{hex8[]}",
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ieData,
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ieLen);
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ssid = QString::fromUtf8((char *)ieData, ieLen);
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#ifdef OST_TRACE_COMPILER_IN_USE
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TPtrC16 string(ssid.utf16(), ssid.length());
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OstTraceExt1(
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TRACE_DUMP,
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WLANQTUTILSSCANPRIVATE_EXTRACTSSID_STRING,
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"WlanQtUtilsScanPrivate::ExtractSsid string;ssid=%S",
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string);
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#endif
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}
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// Remove nul characters
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ssid.remove(QChar());
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return ssid;
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}
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/*!
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Extracts the WLAN BSSID from current scan result element.
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@return BSSID array.
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*/
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QByteArray WlanQtUtilsScanPrivate::ExtractBssid()
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{
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TWlanBssid wlanBssid;
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mResults->Bssid(wlanBssid);
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QByteArray bssid;
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for (int i = 0; i < (int)wlanBssid.Length(); i++) {
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bssid[i] = (char)wlanBssid[i];
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}
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#ifdef OST_TRACE_COMPILER_IN_USE
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QString bssidHex(bssid.toHex());
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TPtrC16 string(bssidHex.utf16(), bssidHex.length());
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OstTraceExt1(
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TRACE_DUMP,
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WLANQTUTILSSCANPRIVATE_EXTRACTBSSID,
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"WlanQtUtilsScanPrivate::ExtractBssid;bssid=%S",
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string);
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#endif
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return bssid;
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}
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/*!
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Stores Security mode parameters to \a ap class.
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@param [in,out] ap Access Point object to where the configuration is stored.
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@param [in] secMode Security mode to store.
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*/
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void WlanQtUtilsScanPrivate::StoreSecMode(
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QSharedPointer<WlanQtUtilsAp> ap,
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TUint wlanSecMode)
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{
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CMManagerShim::WlanSecMode secMode = CMManagerShim::WlanSecModeOpen;
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ap->setValue(WlanQtUtilsAp::ConfIdWpaPskUse, false);
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switch (wlanSecMode) {
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case EWlanConnectionExtentedSecurityModeWepOpen:
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case EWlanConnectionExtentedSecurityModeWepShared:
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secMode = CMManagerShim::WlanSecModeWep;
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break;
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case EWlanConnectionExtentedSecurityMode802d1x:
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secMode = CMManagerShim::WlanSecMode802_1x;
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break;
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case EWlanConnectionExtentedSecurityModeWpa:
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secMode = CMManagerShim::WlanSecModeWpa;
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break;
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case EWlanConnectionExtentedSecurityModeWpaPsk:
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secMode = CMManagerShim::WlanSecModeWpa;
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ap->setValue(WlanQtUtilsAp::ConfIdWpaPskUse, true);
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break;
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case EWlanConnectionExtentedSecurityModeWpa2:
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secMode = CMManagerShim::WlanSecModeWpa2;
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break;
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case EWlanConnectionExtentedSecurityModeWpa2Psk:
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secMode = CMManagerShim::WlanSecModeWpa2;
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ap->setValue(WlanQtUtilsAp::ConfIdWpaPskUse, true);
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break;
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case EWlanConnectionExtentedSecurityModeWapi:
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case EWlanConnectionExtentedSecurityModeWapiPsk:
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secMode = CMManagerShim::WlanSecModeWapi;
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break;
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case EWlanConnectionExtentedSecurityModeOpen:
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secMode = CMManagerShim::WlanSecModeOpen;
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break;
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#ifndef QT_NO_DEBUG
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default:
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// Invalid security mode detected
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Q_ASSERT(0);
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break;
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#endif
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}
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ap->setValue(WlanQtUtilsAp::ConfIdSecurityMode, secMode);
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}
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