wlan_bearer/wlanengine/wlan_symbian/wlanengine_symbian_3.1/src/wlangenericplugin.cpp
changeset 0 c40eb8fe8501
child 10 0abc8c98be24
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     1 /*
       
     2 * Copyright (c) 2008-2008 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 the License "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:  Class for instantiating Generic WLAN Plugins
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <wlanpluginclient.h>
       
    20 #include "wlangenericplugin.h"
       
    21 #include "am_debug.h"
       
    22 
       
    23 
       
    24 // -----------------------------------------------------------------------------
       
    25 // CGenericWlanPlugin::CGenericWlanPlugin
       
    26 // 
       
    27 // -----------------------------------------------------------------------------
       
    28 //
       
    29 CGenericWlanPlugin::CGenericWlanPlugin()
       
    30     {
       
    31     DEBUG("CGenericWlanPlugin::CGenericWlanPlugin");
       
    32     iPluginArray.Reset();
       
    33     }
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // CGenericWlanPlugin::~CGenericWlanPlugin
       
    37 // 
       
    38 // -----------------------------------------------------------------------------
       
    39 //
       
    40 CGenericWlanPlugin::~CGenericWlanPlugin()
       
    41     {
       
    42     DEBUG("CGenericWlanPlugin::~CGenericWlanPlugin");
       
    43     StopPlugins();
       
    44     iPluginArray.Close();
       
    45     }
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // CGenericWlanPlugin::StopPlugins
       
    49 // 
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 void CGenericWlanPlugin::StopPlugins()
       
    53     {
       
    54     DEBUG("CGenericWlanPlugin::StopPlugins");
       
    55     for (TInt i = 0; i < iPluginArray.Count(); ++i)
       
    56         {
       
    57         if ( iPluginArray[i].iActiveScheduler )
       
    58             {
       
    59             DEBUG3("CGenericWlanPlugin::StopPlugins - iPluginArray[%d] = UID: 0x%08X, ActiveScheduler 0x%08X", 
       
    60                     i, 
       
    61                     iPluginArray[i].iUid, 
       
    62                     iPluginArray[i].iActiveScheduler );
       
    63             iPluginArray[i].iActiveScheduler->Halt( KErrNone );
       
    64             }
       
    65         }
       
    66     iPluginArray.Reset();
       
    67     }
       
    68 
       
    69 // -----------------------------------------------------------------------------
       
    70 // CGenericWlanPlugin::StartPlugins
       
    71 // 
       
    72 // -----------------------------------------------------------------------------
       
    73 //
       
    74 void CGenericWlanPlugin::StartPlugins()
       
    75     {
       
    76     DEBUG("CGenericWlanPlugin::StartPlugins");
       
    77 
       
    78     // List implementations
       
    79     RImplInfoPtrArray implInfoArray;
       
    80 
       
    81     TRAPD( listImplementationsError, CGenericWlanPluginClient::ListImplementationsL( implInfoArray ) );
       
    82     if ( listImplementationsError )
       
    83         {
       
    84         DEBUG1("CGenericWlanPlugin::StartPlugins - CGenericWlanPluginClient::ListImplementationsL() failed with error %i", listImplementationsError );
       
    85         implInfoArray.ResetAndDestroy();
       
    86         return;
       
    87         }
       
    88 
       
    89     // Get number of implementations
       
    90     const TInt pluginCount( implInfoArray.Count() );
       
    91 
       
    92     // Loop implementation info and create instances
       
    93     for (TInt i = 0; i < pluginCount; i++)
       
    94         {
       
    95         // Get next implementation info
       
    96         CImplementationInformation* info = static_cast<CImplementationInformation*>(implInfoArray[i] );
       
    97 
       
    98 #ifdef _DEBUG
       
    99         // Trace information about plugin
       
   100         DEBUG1( "CGenericWlanPlugin::StartPlugins - Generic WLAN Plugin # %i", i );
       
   101         DEBUG1( "CGenericWlanPlugin::StartPlugins   - ImplementationUid 0x%08X", info->ImplementationUid().iUid );
       
   102         TBuf8<KPrintLineLength> buf8;
       
   103         buf8.Copy( info->DisplayName() );
       
   104         DEBUG1S("CGenericWlanPlugin::StartPlugins   - DisplayName  ", buf8.Length(), buf8.Ptr() );
       
   105         DEBUG1( "CGenericWlanPlugin::StartPlugins   - Version      %i", info->Version() );
       
   106         DEBUG1S("CGenericWlanPlugin::StartPlugins   - DataType     ", info->DataType().Length(), info->DataType().Ptr() );
       
   107         DEBUG1S("CGenericWlanPlugin::StartPlugins   - OpaqueData   ", info->OpaqueData().Length(), info->OpaqueData().Ptr() );
       
   108         DEBUG1( "CGenericWlanPlugin::StartPlugins   - RomOnly      %i", info->RomOnly() );
       
   109         DEBUG1( "CGenericWlanPlugin::StartPlugins   - RomBased     %i", info->RomBased() );
       
   110         DEBUG1( "CGenericWlanPlugin::StartPlugins   - VendorId     0x%08X", info->VendorId().iId );
       
   111 #endif
       
   112         CGenericWlanPlugin::TPluginArrayEntry entry;
       
   113         entry.iUid = info->ImplementationUid();
       
   114         // Active scheduler will be updated when thread is started and Active Scheduler is created.
       
   115         entry.iActiveScheduler = NULL;
       
   116         iPluginArray.Append( entry );
       
   117         
       
   118         RThread thread;
       
   119         TInt err = thread.Create( info->DisplayName(), GenericWlanPluginThreadMain, KDefaultStackSize, KMinHeapSize, KMaxHeapSize, 
       
   120                 reinterpret_cast<TAny*>( &iPluginArray[ iPluginArray.Count()-1 ] ) /*EOwnerProcess / EOwnerThread*/ );
       
   121         if (err != KErrNone)
       
   122             {
       
   123             DEBUG1("CGenericWlanPlugin::StartPlugins - thread.Create() failed with error %i", err );
       
   124             implInfoArray.ResetAndDestroy();
       
   125             return;
       
   126             }
       
   127         else
       
   128             {
       
   129             thread.Resume();
       
   130             }
       
   131         thread.Close();
       
   132         }
       
   133 
       
   134     // Reset and destroy implementations infos
       
   135     implInfoArray.ResetAndDestroy();
       
   136 
       
   137     DEBUG1("CGenericWlanPlugin::StartPlugins - Started plugin count %i", pluginCount );
       
   138     }
       
   139 
       
   140 // -----------------------------------------------------------------------------
       
   141 // CGenericWlanPlugin::GenericWlanPluginThreadMain
       
   142 // 
       
   143 // -----------------------------------------------------------------------------
       
   144 //
       
   145 TInt CGenericWlanPlugin::GenericWlanPluginThreadMain( TAny* aPluginArrayEntryPtr )
       
   146     {
       
   147     DEBUG("CGenericWlanPlugin::GenericWlanPluginThreadMain()");
       
   148     
       
   149     // Create cleanup stack
       
   150     CTrapCleanup* cleanup = CTrapCleanup::New();
       
   151     if ( !cleanup )
       
   152         {
       
   153         DEBUG("CGenericWlanPlugin::GenericWlanPluginThreadMain() - CTrapCleanup::New() failed. Stopping thread.");
       
   154         User::Exit( KErrNoMemory );
       
   155         }
       
   156     
       
   157     __UHEAP_MARK;
       
   158     
       
   159     TRAPD(createError, LoadGenericWlanPluginL( reinterpret_cast<TPluginArrayEntry *>( aPluginArrayEntryPtr ) ) );
       
   160     if ( createError )
       
   161         {
       
   162         return createError;
       
   163         }
       
   164 
       
   165     __UHEAP_MARKEND;
       
   166     
       
   167     delete cleanup;
       
   168     return KErrNone;
       
   169     }
       
   170 
       
   171 // -----------------------------------------------------------------------------
       
   172 // CGenericWlanPlugin::LoadGenericWlanPluginL
       
   173 // 
       
   174 // -----------------------------------------------------------------------------
       
   175 //
       
   176 void CGenericWlanPlugin::LoadGenericWlanPluginL( TPluginArrayEntry * aPluginArrayEntryPtr )
       
   177     {
       
   178     CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();
       
   179     CleanupStack::PushL(scheduler);
       
   180     CActiveScheduler::Install(scheduler);
       
   181     
       
   182     aPluginArrayEntryPtr->iActiveScheduler = scheduler;
       
   183     
       
   184     // Initialize WLAN plugin
       
   185     CGenericWlanPluginClient* wlanPluginClient( NULL );
       
   186     DEBUG1( "Instantiating CGenericWlanPluginClient(UID 0x%08X)", aPluginArrayEntryPtr->iUid );
       
   187     TRAPD( ret, wlanPluginClient = CGenericWlanPluginClient::NewL( aPluginArrayEntryPtr->iUid ) );
       
   188     // Create new instance of the plugin
       
   189     if( ret == KErrNone )
       
   190         {
       
   191         DEBUG1("CGenericWlanPlugin::LoadGenericWlanPluginL() - wlanPluginClient instance 0x%08X", wlanPluginClient);
       
   192         /*
       
   193          * This thread will run in CActiveScheduler::Start() until CActiveScheduler is stopped.
       
   194          */
       
   195         DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - Starting CActiveScheduler");
       
   196         CActiveScheduler::Start();
       
   197 
       
   198         DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - deleting wlanPluginClient");
       
   199         delete wlanPluginClient;
       
   200         }
       
   201     else
       
   202         {
       
   203         DEBUG1( "CGenericWlanPlugin::LoadGenericWlanPluginL - CGenericWlanPluginClient::NewL leaved with %d, let's ignore it.", ret );
       
   204         }
       
   205     
       
   206     // Delete active scheduler
       
   207     CleanupStack::PopAndDestroy(scheduler);
       
   208     
       
   209     DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - exit");
       
   210     User::Exit( KErrNone );
       
   211     }