usbmgmt/usbmgr/usbman/server/SRC/usbmancenrepmanager.cpp
changeset 26 f3a1ae528dee
child 29 59aa7d6e3e0f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/usbman/server/SRC/usbmancenrepmanager.cpp	Fri Jun 25 13:19:39 2010 +0800
@@ -0,0 +1,489 @@
+// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// Implements a utility class which read information from Central Repository
+
+
+
+#include <centralrepository.h>
+#include <usb/usblogger.h>
+#ifdef SYMBIAN_FEATURE_MANAGER
+    #include <featureuids.h>
+    #include <featdiscovery.h>
+#endif
+#include "usbmanprivatecrkeys.h"
+#include "UsbSettings.h"
+#include "CPersonality.h"
+#include "usbmancenrepmanager.h"
+#include "CUsbDevice.h"
+
+
+#ifdef __FLOG_ACTIVE
+_LIT8(KLogComponent, "USBSVR");
+#endif
+ 
+_LIT(KUsbCenRepPanic, "UsbCenRep");
+
+/**
+ * Panic codes for the USB Central Repository Manager
+ */
+enum TUsbCenRepPanic
+    {
+    ECenRepObserverNotStopped = 0,
+    ECenRepObserverAlreadySet,
+    ECenRepConfigError,
+    ECenRepFeatureManagerError,
+    };
+
+// ---------------------------------------------------------------------------
+// Private consctruction   
+// ---------------------------------------------------------------------------
+//
+CUsbManCenRepManager::CUsbManCenRepManager(CUsbDevice& aUsbDevice)
+  : iUsbDevice( aUsbDevice )
+	{
+    LOG_FUNC
+	}
+
+// ---------------------------------------------------------------------------
+// The first phase construction   
+// ---------------------------------------------------------------------------
+//
+CUsbManCenRepManager* CUsbManCenRepManager::NewL(CUsbDevice& aUsbDevice)
+    {
+    LOG_STATIC_FUNC_ENTRY
+    CUsbManCenRepManager* self = new (ELeave) CUsbManCenRepManager(aUsbDevice);
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// The second phase construction   
+// ---------------------------------------------------------------------------
+//
+void CUsbManCenRepManager::ConstructL()
+    {
+    LOG_FUNC
+    // Open the Central Repository
+    iRepository = CRepository::NewL( KCRUidUSBManagerConfiguration );
+    CheckSignatureL();
+    }
+
+// ---------------------------------------------------------------------------
+// Deconstruction   
+// ---------------------------------------------------------------------------
+//
+CUsbManCenRepManager::~CUsbManCenRepManager()
+	{
+    LOG_FUNC
+    delete iRepository;
+	}
+
+// ---------------------------------------------------------------------------
+// Read specific Key whose value type is String   
+// ---------------------------------------------------------------------------
+//
+HBufC* CUsbManCenRepManager::ReadStringKeyLC( TUint32 aKeyId )
+	{
+    LOG_FUNC
+    HBufC* keyBuf = HBufC::NewLC( NCentralRepositoryConstants::KMaxUnicodeStringLength );
+    TPtr key = keyBuf->Des();
+
+    LEAVEIFERRORL( iRepository->Get( aKeyId, key ) );
+	LOGTEXT3(_L("LocSets: ReadStringKeyLC id: %x, val: %S"), aKeyId, &key ); 
+
+    return keyBuf;
+    }
+
+// ---------------------------------------------------------------------------
+// Read specific Key whose value type is TInt   
+// ---------------------------------------------------------------------------
+//
+TInt CUsbManCenRepManager::ReadKeyL( TUint32 aKeyId )
+    {
+    LOG_FUNC
+    TInt key;
+    
+    LEAVEIFERRORL( iRepository->Get( aKeyId, key ) );
+    LOGTEXT3(_L("LocSets: ReadKeyL id: 0x%x, val: 0x%x"), aKeyId, key); 
+
+    return key;
+    }
+
+// ---------------------------------------------------------------------------
+// Check wheather cenrep's version is supported by cenrep manager 
+// ---------------------------------------------------------------------------
+//
+void CUsbManCenRepManager::CheckSignatureL()
+    {
+    LOG_FUNC
+    iSignature = ReadKeyL( KUsbManConfigSign );
+    
+    if ( iSignature < TUsbManagerSupportedVersionMin ||
+            iSignature > TUsbManagerSupportedVersionMax )
+        {
+        LEAVEL(KErrNotSupported);
+        }    
+    }
+
+// ---------------------------------------------------------------------------
+// Read Device configuration table 
+// ---------------------------------------------------------------------------
+//
+void CUsbManCenRepManager::ReadDeviceConfigurationL(CUsbDevice::TUsbDeviceConfiguration& aDeviceConfig)
+    {
+    LOG_FUNC
+    //Only support version four right now.
+    __ASSERT_DEBUG( ( TUsbManagerSupportedVersionFour == iSignature ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+    
+    //Shall only have on device configuration setting.
+    TUint32 devConfigCount = ReadKeyL( KUsbManDeviceCountIndexKey );
+    __ASSERT_DEBUG( ( devConfigCount == 1 ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+        
+    RArray<TUint32> keyArray;
+    CleanupClosePushL( keyArray );
+    LEAVEIFERRORL( iRepository->FindL( KUsbManDevicePartialKey, KUsbManConfigKeyMask, keyArray ) );
+    
+    TInt keyCount = keyArray.Count();
+    LOGTEXT2( _L("CUsbManCenRepManager::ReadDeviceConfigurationL keyCount of device config = %d"), keyCount );
+    
+    //Get each extension type key value and store in iExtList array
+    for( TInt index = 0; index < keyCount; index++ )
+        {
+        TUint32 key = keyArray[index];
+        TUint32 fieldId = ( key & KUsbManConfigFieldMask );
+        LOGTEXT2( _L("CUsbManCenRepManager::ReadDeviceConfigurationL fieldId = %d"), fieldId );
+        if( fieldId == KUsbManDeviceVendorIdKey )
+            {
+            aDeviceConfig.iVendorId = ReadKeyL( key );
+            }
+        else if( fieldId == KUsbManDeviceManufacturerNameKey )
+            {
+            HBufC* manufacturer = ReadStringKeyLC( key );
+            TPtr manufacturerPtr = manufacturer->Des();
+            aDeviceConfig.iManufacturerName->Des().Copy( manufacturerPtr ); 
+            CleanupStack::PopAndDestroy( manufacturer );
+            }
+        else if( fieldId == KUsbManDeviceProductNameKey )
+            {
+            HBufC* product = ReadStringKeyLC( key );
+            TPtr productName = product->Des();
+            aDeviceConfig.iProductName->Des().Copy( productName ); 
+            CleanupStack::PopAndDestroy( product );
+            }
+        else
+            {
+            _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError );
+            }
+        }
+    CleanupStack::PopAndDestroy( &keyArray );  
+    }
+
+
+// ---------------------------------------------------------------------------
+// Read personality table 
+// ---------------------------------------------------------------------------
+//
+void CUsbManCenRepManager::ReadPersonalitiesL(RPointerArray<CPersonality>& aPersonalities)
+	{
+	LOG_FUNC
+    
+	//Only support version four right now.
+	__ASSERT_DEBUG( ( TUsbManagerSupportedVersionFour == iSignature ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+	
+	// Get the personality count.
+	TUint32 personalityCount = ReadKeyL( KUsbManDevicePersonalitiesCountIndexKey );
+	LOGTEXT2( _L("CUsbManCenRepManager::ReadPersonalitiesL personalityCount = %d"), personalityCount );
+	
+	RArray<TUint32> keyArray;
+	CleanupClosePushL( keyArray ); 
+	
+
+	// Go through all personalities and store them.
+    for( TInt personalityIdx = 0; personalityIdx < personalityCount; personalityIdx++ )
+        {
+        CPersonality* personality = CPersonality::NewL();
+        CleanupStack::PushL( personality );
+        
+        // Find the keys belonging to the personality
+        TUint32 devicePersonalitiesKey = KUsbManDevicePersonalitiesPartialKey | ( personalityIdx << KUsbManPersonalitiesOffset );
+        LEAVEIFERRORL( iRepository->FindL( devicePersonalitiesKey, KUsbManConfigKeyMask, keyArray ) );
+        
+        TInt keyCount = keyArray.Count();
+        LOGTEXT2( _L("CUsbManCenRepManager::ReadPersonalitiesL keyCount of personality = %d"), keyCount );
+        
+        // Get each key value of the personality and store it.
+        for( TInt keyIdx = 0; keyIdx < keyCount; keyIdx++ )
+            {
+            TUint32 key = keyArray[keyIdx];
+            TUint32 fieldId = (key & KUsbManConfigFieldMask);
+            LOGTEXT2( _L("CUsbManCenRepManager::ReadPersonalitiesL key id of personality = %d"), fieldId );
+            switch( fieldId )
+                {
+                case KUsbManDevicePersonalitiesDeviceClassKey:
+                    personality->SetDeviceClass(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesDeviceSubClassKey:
+                    personality->SetDeviceSubClass(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesProtocolKey:
+                    personality->SetDeviceProtocol(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesNumConfigKey:
+                    personality->SetNumConfigurations(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesProductIdKey:
+                    personality->SetProductId(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesBcdDeviceKey:
+                    personality->SetBcdDevice(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesFeatureIdKey:
+                    personality->SetFeatureId(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesPersonalityIdKey:
+                    personality->SetPersonalityId(ReadKeyL( key ));
+                    ReadConfigurationsForPersonalityL( personality->PersonalityId(), *personality );
+                    break;
+                case KUsbManDevicePersonalitiesPropertyKey:
+                    personality->SetProperty(ReadKeyL( key ));
+                    break;
+                case KUsbManDevicePersonalitiesDescriptionKey:
+                    {
+                    HBufC* description;
+                    description = ReadStringKeyLC( key );
+                    personality->SetDescription( description );
+                    CleanupStack::PopAndDestroy( description );
+                    break;
+                    }
+                default:
+                    _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError );
+                    break;
+                }
+            }
+        
+        personality->SetVersion(iSignature);
+        
+        //The following code is to check whether we support this personality. 
+        if(personality->FeatureId() != KUsbManFeatureNotConfigurable)
+            {
+            if(!IsFeatureSupportedL(personality->FeatureId()))
+                {
+                CleanupStack::PopAndDestroy(personality);
+                continue;           
+                }
+            }
+        
+        //The following code is to check whether we support this personality. It will not include:
+        //1)the personality which contains single class which is not supported
+        //2)the personality which contains multiple classes which are all not supported
+        TBool isPersonalitySupport = EFalse;
+        TInt configurationCount = personality->PersonalityConfigs().Count();
+        for(TInt configurationIdx = 0; configurationIdx < configurationCount; ++configurationIdx)
+            {
+            const RPointerArray<CPersonalityConfigurations>& personalityConfigs = personality->PersonalityConfigs();
+            CPersonalityConfigurations *personalityConfigurations = personalityConfigs[configurationIdx];
+            TInt classesCount = personalityConfigurations->Classes().Count();
+            if(0 != classesCount)
+                {
+                isPersonalitySupport = ETrue;
+                break;
+                }
+            }
+       
+        if(isPersonalitySupport)
+            {
+            LOGTEXT2( _L("CUsbManCenRepManager::ReadPersonalitiesL Personality ID: %d is supported"), personality->PersonalityId() );
+            aPersonalities.Append( personality );
+            CleanupStack::Pop( personality );
+            }
+        else
+            {
+            LOGTEXT2( _L("CUsbManCenRepManager::ReadPersonalitiesL Personality ID: %d is not supported"), personality->PersonalityId() );
+            CleanupStack::PopAndDestroy(personality);
+            }
+        }
+    CleanupStack::PopAndDestroy( &keyArray );  	
+    }
+
+// ---------------------------------------------------------------------------
+// Read configuration table for specific personality
+// ---------------------------------------------------------------------------
+//
+void CUsbManCenRepManager::ReadConfigurationsForPersonalityL(TInt aPersonalityId, CPersonality& aPersonality)
+    {
+    LOG_FUNC
+    RArray<TUint32> configArray;
+    CleanupClosePushL(configArray);
+ 
+    //Only support version four right now.
+    __ASSERT_DEBUG( ( TUsbManagerSupportedVersionFour == iSignature ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+    
+    LEAVEIFERRORL( iRepository->FindEqL( KUsbManDeviceConfigurationsPartialKey, KUsbManConfigFirstEntryMask, aPersonalityId, configArray ) );
+    
+    // Get the configuration count.
+    TUint32 configCount = configArray.Count();
+    TUint32 totalConfigCount = ReadKeyL( KUsbManDeviceConfigurationsCountIndexKey );
+
+    LOGTEXT4( _L("ReadConfigurationsForPersonalityL: aPersonalityId = %d total configCount = %d configArray.Count() = %d"), aPersonalityId, totalConfigCount, configArray.Count());
+    
+    //This is intend to handle one special case that key 0x2ff00's value
+    // equal our target personality id.
+    if(totalConfigCount == aPersonalityId)
+        {
+        --configCount;
+        }
+    
+    TInt keyCount = 0;
+    if(TUsbManagerSupportedVersionFour == iSignature)
+        {
+        keyCount = KUsbManDeviceConfigurationsKeyCountVersionFour;
+        }
+    
+    // Go through all configurations belonging to this personality 'aPersonalityId'
+    for ( TInt configIdx = 0; configIdx < configCount; configIdx++ )
+        {
+        CPersonalityConfigurations* config = new ( ELeave ) CPersonalityConfigurations;
+        CleanupStack::PushL( config );
+        TUint32 key = configArray[configIdx];
+
+        // Get each key value in the configuration and store it
+        for ( TInt keyIdx = 0; keyIdx < keyCount; keyIdx++ )
+            {
+            TUint32 fieldId = ( (key + keyIdx ) & KUsbManConfigFieldMask );
+            TInt keyValue = -1;
+            LOGTEXT4( _L("ReadConfigurationsForPersonalityL fieldId = %d configIdx = %d keyIdx = %d"), fieldId, configIdx, keyIdx );
+            
+            if(KUsbManDeviceConfigurationsPersonalityIdKey == fieldId)
+                {
+                TRAPD( err, keyValue = ReadKeyL( key + keyIdx ) );
+                if( err == KErrNone )
+                    {
+                    __ASSERT_DEBUG( ( keyValue == aPersonalityId ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+                    config->SetPersonalityId( keyValue );
+                    }
+                }
+            else if(KUsbManDeviceConfigurationsIdKey == fieldId)
+                {
+                TRAPD( err, keyValue = ReadKeyL( key + keyIdx ) );
+                if( err == KErrNone )
+                    {
+                    config->SetConfigId(keyValue);
+                    }
+                }
+            else if(KUsbManDeviceConfigurationsClassUidsKey == fieldId)
+                {
+                HBufC* keyValueBuf = ReadStringKeyLC( key + keyIdx );                
+                TPtr keyPtr = keyValueBuf->Des();
+                
+                RArray<TUint> classUids;
+                CleanupClosePushL( classUids );
+
+                iUsbDevice.ConvertUidsL( keyPtr, classUids );
+                TInt uidsCnt = classUids.Count();
+                 
+                // Get featureId of each class and store each class.
+                TInt featureId = KUsbManFeatureNotConfigurable;
+                CPersonalityConfigurations::TUsbClasses usbClass;                     
+                for ( TInt uidIdx = 0; uidIdx < uidsCnt; uidIdx++ )
+                    {
+                    usbClass.iClassUid = TUid::Uid( classUids[uidIdx] );
+                    usbClass.iFeatureId = featureId; // By default
+                    if ( IsClassConfigurableL( classUids[uidIdx], featureId ) )
+                        {                                
+                        usbClass.iFeatureId = featureId;
+                        if(IsFeatureSupportedL(featureId))
+                            {
+                            config->AppendClassesL( usbClass );
+                            }
+                        }
+                    else
+                        {
+                        config->AppendClassesL( usbClass );
+                        }
+                    }
+
+                CleanupStack::PopAndDestroy( &classUids ); // close uid array 
+                CleanupStack::PopAndDestroy( keyValueBuf );
+                }
+            else
+                {
+                _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError );
+                }
+            }
+        aPersonality.AppendPersonalityConfigsL( config );
+
+        CleanupStack::Pop( config );
+        }
+
+    CleanupStack::PopAndDestroy( &configArray );     
+    }
+
+// ---------------------------------------------------------------------------
+// Check the class belonging to a personality configurable or not.
+// ---------------------------------------------------------------------------
+//
+TBool CUsbManCenRepManager::IsClassConfigurableL(TUint aClassId, TInt& aFeatureId)
+    {
+    LOG_FUNC
+    TBool classConfigurable = EFalse;
+    RArray<TUint32> keyArray;
+    CleanupClosePushL(keyArray);
+    
+    TInt err = iRepository->FindEqL( KUsbManDeviceConfigurableClassesPartialKey, KUsbManConfigFirstEntryMask, (TInt)aClassId, keyArray );
+    LOGTEXT3( _L("CUsbManCenRepManager::IsClassConfigurableL: aClassId = 0x%x err = %d "), aClassId, err);
+    switch ( err )
+        {
+        case KErrNotFound:
+            break;
+        case KErrNone:
+            {
+            __ASSERT_DEBUG( ( keyArray.Count() == 1 ), _USB_PANIC( KUsbCenRepPanic, ECenRepConfigError ) );
+            // The array size always is 1, so here using 0 as index.
+            aFeatureId = ReadKeyL( keyArray[0] | KUsbManDeviceConfigurableClassesFeatureIdKey );
+            classConfigurable = ETrue;
+            break;
+            }
+        default:
+            LEAVEL( err );
+            break;
+        }    
+    
+    CleanupStack::PopAndDestroy( &keyArray );     
+    return classConfigurable;
+    }
+
+// ---------------------------------------------------------------------------
+// Check the class belonging to a personality support or not.
+// ---------------------------------------------------------------------------
+//
+TBool CUsbManCenRepManager::IsFeatureSupportedL(TInt aFeatureId)
+    {
+    LOG_FUNC
+#ifdef SYMBIAN_FEATURE_MANAGER
+    if(CFeatureDiscovery::IsFeatureSupportedL(TUid::Uid(aFeatureId)))
+        {
+        LOGTEXT2( _L("CUsbManCenRepManager::IsFeatureSupportedL featureId = 0x%x supported"), aFeatureId );
+        return ETrue;
+        }
+    else
+        {
+        LOGTEXT2( _L("CUsbManCenRepManager::IsFeatureSupportedL featureId = 0x%x not supported"), aFeatureId );
+        return EFalse;
+        }
+#else
+    _USB_PANIC( KUsbCenRepPanic, ECenRepFeatureManagerError )
+#endif    
+    }