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 * Private implementation of wrapper for Symbian Esock library.

    16 */

    17 

    18 // System includes

    19 

    20 #include <e32base.h>

    21 #include <es_sock.h>

    22 #include <in_sock.h>

    23 #include <extendedconnpref.h>

    24 

    25 // User includes

    26 

    27 #include "wlanqtutilsesockwrapper.h"

    28 #include "wlanqtutilsesockwrapper_symbian.h"

    29 

    30 #include "OstTraceDefinitions.h"

    31 #ifdef OST_TRACE_COMPILER_IN_USE

    32 #include "wlanqtutilsesockwrapper_symbianTraces.h"

    33 #endif

    34 

    35 /*!

    36     \class WlanQtUtilsWlanQtUtilsEsockWrapperPrivate

    37     \brief Private implementation of wrapper for Symbian Esock library.

    38 

    39     Provides functionality to connect and disconnect IAPs.

    40 */

    41 

    42 // External function prototypes

    43 

    44 // Local constants

    45 

    46 // ======== LOCAL FUNCTIONS ========

    47 

    48 // ======== MEMBER FUNCTIONS ========

    49 

    50 /*!

    51     Constructor.

    52     

    53     @param [in] wrapper Wrapper to report progress to.

    54  */

    55 

    56 WlanQtUtilsEsockWrapperPrivate::WlanQtUtilsEsockWrapperPrivate(

    57     WlanQtUtilsEsockWrapper *wrapper) :

    58     CActive(EPriorityStandard),

    59     iConnectionActive(EFalse),

    60     q_ptr(wrapper)

    61 {

    62     OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_ENTRY, this);

    63 

    64     CActiveScheduler::Add(this);

    65     

    66     // Establish a session to Socket Server. Errors in Socket Server

    67     // connection are fatal so just throw them as exceptions

    68     qt_symbian_throwIfError(iSocketServer.Connect());

    69 

    70     OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_EXIT, this);

    71 }

    72 

    73 /*!

    74     Destructor.

    75  */

    76 

    77 WlanQtUtilsEsockWrapperPrivate::~WlanQtUtilsEsockWrapperPrivate()

    78 {

    79     OstTraceFunctionEntry1(DUP1_WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_ENTRY, this);

    80 

    81     // Close any possibly ongoing connection

    82     Cancel();

    83     // Close Socket Server session

    84     iSocketServer.Close();

    85     

    86     OstTraceFunctionExit1(DUP1_WLANQTUTILSESOCKWRAPPERPRIVATE_WLANQTUTILSESOCKWRAPPERPRIVATE_EXIT, this);

    87 }

    88 

    89 /*!

    90    Starts connection creation to given IAP.

    91 

    92    @param [in] iapId IAP ID to connect.

    93  */

    94 

    95 void WlanQtUtilsEsockWrapperPrivate::ConnectIap(int iapId)

    96 {

    97     OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP_ENTRY, this);

    98     

    99     // Cancel a (possibly) ongoing previous request

   100     Cancel();

   101     

   102     OstTrace1(

   103         TRACE_NORMAL,

   104         WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP,

   105         "WlanQtUtilsEsockWrapperPrivate::connectIap;iapId=%d",

   106         iapId );

   107     

   108     // Open an RConnection object. Errors in RConnection opening are

   109     // fatal so just throw them as exceptions

   110     qt_symbian_throwIfError(iConnection.Open(iSocketServer));

   111     

   112     // Create overrides for connection preferences to force opening of the

   113     // given IAP without any user prompts.

   114     TConnPrefList prefList;

   115     TExtendedConnPref prefs;

   116     prefs.SetIapId(iapId);

   117     prefs.SetNoteBehaviour(TExtendedConnPref::ENoteBehaviourConnSilent);

   118     QT_TRAP_THROWING(prefList.AppendL(&prefs));

   119      

   120     // Start a connection with connection preferences

   121     iConnection.Start(prefList, iStatus);

   122 

   123     iConnectionActive = ETrue;

   124     

   125     SetActive();

   126     

   127     OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_CONNECTIAP_EXIT, this);

   128 }

   129 

   130 /*!

   131    Disconnects connection, if one is active.

   132  */

   133 

   134 void WlanQtUtilsEsockWrapperPrivate::DisconnectIap()

   135 {      

   136     OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_ENTRY, this);

   137     

   138     if (iConnectionActive) {

   139         OstTrace0(

   140             TRACE_NORMAL,

   141             WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_DISCONNECT,

   142             "WlanQtUtilsEsockWrapperPrivate::disconnectIap Disconnecting connection");

   143         

   144         iConnectionActive = EFalse;

   145         iConnection.Close();            

   146     } else {

   147         OstTrace0(

   148             TRACE_NORMAL,

   149             WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_IGNORED,

   150             "WlanQtUtilsEsockWrapperPrivate::disconnectIap Ignored since no active connection");

   151     }

   152     

   153     OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_DISCONNECTIAP_EXIT, this);

   154 }

   155 

   156 /*!

   157    From CActive: called when async request (RConnection::Start())

   158    has been completed.

   159  */

   160 

   161 void WlanQtUtilsEsockWrapperPrivate::RunL()

   162 {

   163     OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL_ENTRY, this);

   164 

   165     OstTrace1(

   166         TRACE_NORMAL,

   167         WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL,

   168         "WlanQtUtilsEsockWrapperPrivate::RunL;iStatus=%d", iStatus.Int());

   169     

   170     bool success;

   171     if (iStatus == KErrNone) {

   172         success = true;

   173     } else {

   174         success = false;

   175         iConnectionActive = EFalse;

   176     }

   177     

   178     // Report to public wrapper

   179     q_ptr->updateConnection(success, iStatus.Int());

   180     

   181     OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_RUNL_EXIT, this);

   182 }

   183 

   184 /*!

   185    From CActive: called when active object is cancelled.

   186  */

   187 

   188 void WlanQtUtilsEsockWrapperPrivate::DoCancel()

   189 {

   190     OstTraceFunctionEntry1(WLANQTUTILSESOCKWRAPPERPRIVATE_DOCANCEL_ENTRY, this);

   191     

   192     // Disconnect, if needed.

   193     DisconnectIap();

   194     

   195     OstTraceFunctionExit1(WLANQTUTILSESOCKWRAPPERPRIVATE_DOCANCEL_EXIT, this);

   196 }