1 /*

     2 * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * WLAN Sniffer application main class implementation.

    16 */

    17 

    18 // System includes

    19 

    20 #include <QProcess>

    21 #include <QLocale>

    22 #include <HbStyleLoader>

    23 #include <HbTranslator>

    24 

    25 // User includes

    26 

    27 #include "wlansnifferengine.h"

    28 #include "wlansniffermainwindow.h"

    29 #include "wlansniffer.h"

    30 

    31 #include "OstTraceDefinitions.h"

    32 #ifdef OST_TRACE_COMPILER_IN_USE

    33 #include "wlansnifferTraces.h"

    34 #endif

    35 

    36 /*!

    37     \class WlanSniffer

    38     \brief WLAN Sniffer main class implementation.

    39 */

    40 

    41 // External function prototypes

    42 

    43 // Local constants

    44 

    45 //! Location of WLAN Sniffer custom layout definitions

    46 static const QString WlanSnifferLayoutPath(":/wlansnifferlayout/");

    47 

    48 // ======== LOCAL FUNCTIONS ========

    49 

    50 // ======== MEMBER FUNCTIONS ========

    51 

    52 /*!

    53     Constructor.

    54     

    55     @param [in] argc Parameter count.

    56     @param [in] argv Parameters. 

    57  */

    58 

    59 WlanSniffer::WlanSniffer(int argc, char* argv[]) :

    60     HbApplication(argc, argv),

    61     mEngine(new WlanSnifferEngine(this)),

    62     mTranslator(),

    63     mMainWindow(0)

    64 {

    65     OstTraceFunctionEntry0(WLANSNIFFER_WLANSNIFFER_ENTRY);

    66 

    67     // Start scanning immediately to get the first scan results as soon as

    68     // possible, since the scanning takes time.

    69     if (mEngine->masterWlan() && !mEngine->forceDisableWlan()) {

    70         mEngine->startWlanScanning();

    71     }

    72     

    73     // Register custom layout location

    74     HbStyleLoader::registerFilePath(WlanSnifferLayoutPath);

    75 

    76     // Install localization

    77     mTranslator = QSharedPointer<HbTranslator>(new HbTranslator());

    78     mTranslator->loadCommon();

    79     

    80     mMainWindow = QSharedPointer<WlanSnifferMainWindow>(

    81         new WlanSnifferMainWindow(mEngine));

    82     

    83     // Connect exit handling

    84     bool connectStatus = connect(

    85         mEngine,

    86         SIGNAL(exitTriggered()),

    87         this,

    88         SLOT(exitApplication()));

    89     Q_ASSERT(connectStatus);

    90 

    91     // Start the Wlan Sniffer Keepalive process, if not started yet

    92     // The purpose of the process is to manage Wlan links opened

    93     // by this application, and the process should be running always

    94     // after the first launch of this application.

    95     if (findKeepaliveProcess() == false) {

    96         QProcess::startDetached("wlansnifferkeepalive");

    97     }

    98     

    99     OstTraceFunctionExit0(WLANSNIFFER_WLANSNIFFER_EXIT);

   100 }

   101 

   102 /*!

   103     Destructor.

   104  */

   105 

   106 WlanSniffer::~WlanSniffer()

   107 {

   108     OstTraceFunctionEntry0(WLANSNIFFER_WLANSNIFFERDESTR_ENTRY);

   109 

   110     HbStyleLoader::unregisterFilePath(WlanSnifferLayoutPath);

   111     

   112     OstTraceFunctionExit0(WLANSNIFFER_WLANSNIFFERDESTR_EXIT);

   113 }

   114 

   115 /*!

   116     Function for finding possible running keepalive process.

   117     

   118     @return TRUE if a keepalive process was found running.

   119  */

   120 

   121 bool WlanSniffer::findKeepaliveProcess()

   122 {

   123     OstTraceFunctionEntry0(WLANSNIFFER_FINDKEEPALIVEPROCESS_ENTRY);

   124     

   125     // Try to search the keepalive process

   126     bool found = false;

   127     TFileName executableName;

   128     executableName.Copy(_L("wlansnifferkeepalive*"));

   129     TFindProcess processSearch;

   130     TFullName processFullName;

   131     while (processSearch.Next(processFullName) == KErrNone) {

   132         if (processFullName.Match(executableName) != KErrNotFound) { 

   133             found = true;

   134             break;

   135         }

   136     }

   137     

   138     OstTraceExt1(

   139         TRACE_NORMAL,

   140         WLANSNIFFER_FINDKEEPALIVEPROCESS_RESULT,

   141         "WlanSniffer::findKeepaliveProcess;found=%hhu",

   142         found);

   143     

   144     OstTraceFunctionExit0(WLANSNIFFER_FINDKEEPALIVEPROCESS_EXIT);

   145     return found;

   146 }

   147 

   148 /*!

   149     Slot for handling application exit.

   150  */

   151 

   152 void WlanSniffer::exitApplication()

   153 {

   154     OstTraceFunctionEntry0(WLANSNIFFER_EXITAPPLICATION_ENTRY);

   155     

   156     exit();

   157 

   158     OstTraceFunctionExit0(WLANSNIFFER_EXITAPPLICATION_EXIT);

   159 }