wlan_bearer/wlanengine/wlan_symbian/wlanengine_symbian_3.1/src/wlangenericplugin.cpp
changeset 0 c40eb8fe8501
child 10 0abc8c98be24
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanengine/wlan_symbian/wlanengine_symbian_3.1/src/wlangenericplugin.cpp	Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2008-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Class for instantiating Generic WLAN Plugins
+*
+*/
+
+
+#include <wlanpluginclient.h>
+#include "wlangenericplugin.h"
+#include "am_debug.h"
+
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::CGenericWlanPlugin
+// 
+// -----------------------------------------------------------------------------
+//
+CGenericWlanPlugin::CGenericWlanPlugin()
+    {
+    DEBUG("CGenericWlanPlugin::CGenericWlanPlugin");
+    iPluginArray.Reset();
+    }
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::~CGenericWlanPlugin
+// 
+// -----------------------------------------------------------------------------
+//
+CGenericWlanPlugin::~CGenericWlanPlugin()
+    {
+    DEBUG("CGenericWlanPlugin::~CGenericWlanPlugin");
+    StopPlugins();
+    iPluginArray.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::StopPlugins
+// 
+// -----------------------------------------------------------------------------
+//
+void CGenericWlanPlugin::StopPlugins()
+    {
+    DEBUG("CGenericWlanPlugin::StopPlugins");
+    for (TInt i = 0; i < iPluginArray.Count(); ++i)
+        {
+        if ( iPluginArray[i].iActiveScheduler )
+            {
+            DEBUG3("CGenericWlanPlugin::StopPlugins - iPluginArray[%d] = UID: 0x%08X, ActiveScheduler 0x%08X", 
+                    i, 
+                    iPluginArray[i].iUid, 
+                    iPluginArray[i].iActiveScheduler );
+            iPluginArray[i].iActiveScheduler->Halt( KErrNone );
+            }
+        }
+    iPluginArray.Reset();
+    }
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::StartPlugins
+// 
+// -----------------------------------------------------------------------------
+//
+void CGenericWlanPlugin::StartPlugins()
+    {
+    DEBUG("CGenericWlanPlugin::StartPlugins");
+
+    // List implementations
+    RImplInfoPtrArray implInfoArray;
+
+    TRAPD( listImplementationsError, CGenericWlanPluginClient::ListImplementationsL( implInfoArray ) );
+    if ( listImplementationsError )
+        {
+        DEBUG1("CGenericWlanPlugin::StartPlugins - CGenericWlanPluginClient::ListImplementationsL() failed with error %i", listImplementationsError );
+        implInfoArray.ResetAndDestroy();
+        return;
+        }
+
+    // Get number of implementations
+    const TInt pluginCount( implInfoArray.Count() );
+
+    // Loop implementation info and create instances
+    for (TInt i = 0; i < pluginCount; i++)
+        {
+        // Get next implementation info
+        CImplementationInformation* info = static_cast<CImplementationInformation*>(implInfoArray[i] );
+
+#ifdef _DEBUG
+        // Trace information about plugin
+        DEBUG1( "CGenericWlanPlugin::StartPlugins - Generic WLAN Plugin # %i", i );
+        DEBUG1( "CGenericWlanPlugin::StartPlugins   - ImplementationUid 0x%08X", info->ImplementationUid().iUid );
+        TBuf8<KPrintLineLength> buf8;
+        buf8.Copy( info->DisplayName() );
+        DEBUG1S("CGenericWlanPlugin::StartPlugins   - DisplayName  ", buf8.Length(), buf8.Ptr() );
+        DEBUG1( "CGenericWlanPlugin::StartPlugins   - Version      %i", info->Version() );
+        DEBUG1S("CGenericWlanPlugin::StartPlugins   - DataType     ", info->DataType().Length(), info->DataType().Ptr() );
+        DEBUG1S("CGenericWlanPlugin::StartPlugins   - OpaqueData   ", info->OpaqueData().Length(), info->OpaqueData().Ptr() );
+        DEBUG1( "CGenericWlanPlugin::StartPlugins   - RomOnly      %i", info->RomOnly() );
+        DEBUG1( "CGenericWlanPlugin::StartPlugins   - RomBased     %i", info->RomBased() );
+        DEBUG1( "CGenericWlanPlugin::StartPlugins   - VendorId     0x%08X", info->VendorId().iId );
+#endif
+        CGenericWlanPlugin::TPluginArrayEntry entry;
+        entry.iUid = info->ImplementationUid();
+        // Active scheduler will be updated when thread is started and Active Scheduler is created.
+        entry.iActiveScheduler = NULL;
+        iPluginArray.Append( entry );
+        
+        RThread thread;
+        TInt err = thread.Create( info->DisplayName(), GenericWlanPluginThreadMain, KDefaultStackSize, KMinHeapSize, KMaxHeapSize, 
+                reinterpret_cast<TAny*>( &iPluginArray[ iPluginArray.Count()-1 ] ) /*EOwnerProcess / EOwnerThread*/ );
+        if (err != KErrNone)
+            {
+            DEBUG1("CGenericWlanPlugin::StartPlugins - thread.Create() failed with error %i", err );
+            implInfoArray.ResetAndDestroy();
+            return;
+            }
+        else
+            {
+            thread.Resume();
+            }
+        thread.Close();
+        }
+
+    // Reset and destroy implementations infos
+    implInfoArray.ResetAndDestroy();
+
+    DEBUG1("CGenericWlanPlugin::StartPlugins - Started plugin count %i", pluginCount );
+    }
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::GenericWlanPluginThreadMain
+// 
+// -----------------------------------------------------------------------------
+//
+TInt CGenericWlanPlugin::GenericWlanPluginThreadMain( TAny* aPluginArrayEntryPtr )
+    {
+    DEBUG("CGenericWlanPlugin::GenericWlanPluginThreadMain()");
+    
+    // Create cleanup stack
+    CTrapCleanup* cleanup = CTrapCleanup::New();
+    if ( !cleanup )
+        {
+        DEBUG("CGenericWlanPlugin::GenericWlanPluginThreadMain() - CTrapCleanup::New() failed. Stopping thread.");
+        User::Exit( KErrNoMemory );
+        }
+    
+    __UHEAP_MARK;
+    
+    TRAPD(createError, LoadGenericWlanPluginL( reinterpret_cast<TPluginArrayEntry *>( aPluginArrayEntryPtr ) ) );
+    if ( createError )
+        {
+        return createError;
+        }
+
+    __UHEAP_MARKEND;
+    
+    delete cleanup;
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CGenericWlanPlugin::LoadGenericWlanPluginL
+// 
+// -----------------------------------------------------------------------------
+//
+void CGenericWlanPlugin::LoadGenericWlanPluginL( TPluginArrayEntry * aPluginArrayEntryPtr )
+    {
+    CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();
+    CleanupStack::PushL(scheduler);
+    CActiveScheduler::Install(scheduler);
+    
+    aPluginArrayEntryPtr->iActiveScheduler = scheduler;
+    
+    // Initialize WLAN plugin
+    CGenericWlanPluginClient* wlanPluginClient( NULL );
+    DEBUG1( "Instantiating CGenericWlanPluginClient(UID 0x%08X)", aPluginArrayEntryPtr->iUid );
+    TRAPD( ret, wlanPluginClient = CGenericWlanPluginClient::NewL( aPluginArrayEntryPtr->iUid ) );
+    // Create new instance of the plugin
+    if( ret == KErrNone )
+        {
+        DEBUG1("CGenericWlanPlugin::LoadGenericWlanPluginL() - wlanPluginClient instance 0x%08X", wlanPluginClient);
+        /*
+         * This thread will run in CActiveScheduler::Start() until CActiveScheduler is stopped.
+         */
+        DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - Starting CActiveScheduler");
+        CActiveScheduler::Start();
+
+        DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - deleting wlanPluginClient");
+        delete wlanPluginClient;
+        }
+    else
+        {
+        DEBUG1( "CGenericWlanPlugin::LoadGenericWlanPluginL - CGenericWlanPluginClient::NewL leaved with %d, let's ignore it.", ret );
+        }
+    
+    // Delete active scheduler
+    CleanupStack::PopAndDestroy(scheduler);
+    
+    DEBUG("CGenericWlanPlugin::LoadGenericWlanPluginL() - exit");
+    User::Exit( KErrNone );
+    }