memspy/Engine/Source/ThreadAndProcess/MemSpyEngineObjectProcess.cpp
changeset 48 516af714ebb4
parent 45 185201be11b0
child 55 f2950aff7424
--- a/memspy/Engine/Source/ThreadAndProcess/MemSpyEngineObjectProcess.cpp	Thu Sep 02 22:05:40 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,651 +0,0 @@
-/*
-* Copyright (c) 2009 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:
-*
-*/
-
-#include <memspy/engine/memspyengineobjectprocess.h>
-
-// System includes
-#include <e32svr.h>
-#include <u32std.h>
-
-// Driver includes
-#include <memspy/driver/memspydriverclient.h>
-#include <memspy/driver/memspydriverpanics.h> // for terminate
-
-// User includes
-#include <memspy/engine/memspyengine.h>
-#include <memspy/engine/memspyengineutils.h>
-#include <memspy/engine/memspyengineobjectthread.h>
-
-// Literal constants
-_LIT( KMemSpyUnknownProcessName, "Unknown" );
-_LIT( KMemSpyUnknownExitCategory, "Unknown ExitCat" );
-_LIT( KMemSpyStandardProcessExtension, ".exe" );
-
-
-CMemSpyProcess::CMemSpyProcess( TProcessId aId, CMemSpyEngine& aEngine  )
-:   iId( aId ), iEngine( aEngine )
-    {
-    }
-
-
-CMemSpyProcess::~CMemSpyProcess()
-    {
-#ifdef _DEBUG
-    if  ( iName != NULL )
-        {
-        RDebug::Print(_L( "MEMSPY - dtor - CMemSpyProcess() - this: 0x%08x, name: %S"), this, iName);
-        }
-    else
-        {
-        RDebug::Printf( "MEMSPY - dtor - CMemSpyProcess() - this: 0x%08x", this );
-        }
-#endif
-
-    CloseAllThreads();
-    iThreads.Close();
-    delete iName;
-    delete iInfo;
-    }
-
-
-void CMemSpyProcess::ConstructL()
-    {
-    iInfo = new(ELeave) TMemSpyDriverProcessInfo();
-
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    RProcess process;
-    User::LeaveIfError( driver.OpenProcess( iId, process ) );
-    CleanupClosePushL( process );
-
-    // Find the threads before we start tinkering with the process
-    // name
-    LocateThreadsL( process );
-
-    // Now build the process name
-    RefreshL( process );
-
-    CleanupStack::PopAndDestroy( &process );
-
-    
-#ifdef _DEBUG
-    if  ( iName != NULL )
-        {
-        RDebug::Print(_L( "MEMSPY - ctor - CMemSpyProcess() - this: 0x%08x, name: %S"), this, iName);
-        }
-    else
-        {
-        RDebug::Printf( "MEMSPY - ctor - CMemSpyProcess() - this: 0x%08x", this );
-        }
-#endif
-    }
-
-
-EXPORT_C CMemSpyProcess* CMemSpyProcess::NewL( const CMemSpyProcess& aCopyMe )
-    {
-    CMemSpyProcess* self = NewL( aCopyMe.Id(), aCopyMe.iEngine );
-    return self;
-    }
-
-
-CMemSpyProcess* CMemSpyProcess::NewL( TProcessId aId, CMemSpyEngine& aEngine )
-    {
-    CMemSpyProcess* self = CMemSpyProcess::NewL( aId, aEngine );
-    CleanupStack::Pop( self );
-    return self;
-    }
-
-
-CMemSpyProcess* CMemSpyProcess::NewLC( TProcessId aId, CMemSpyEngine& aEngine )
-    {
-    CMemSpyProcess* self = new(ELeave) CMemSpyProcess( aId, aEngine );
-    CleanupClosePushL( *self );
-    self->ConstructL();
-    return self;
-    }
-
-
-EXPORT_C void CMemSpyProcess::Close()
-    {
-    if  ( !OpenOrCloseInProgress() )
-        {
-        const TInt ac = AccessCount();
-        SetOpenOrCloseInProgress( ETrue );
-
-        // Calling close can do a "delete this" so make sure
-        // we don't try to access the object again in that situation...
-        CMemSpyEngineObject::Close();
-        if  ( ac - 1 > 0 )
-            {
-            SetOpenOrCloseInProgress( EFalse );
-            }
-        else
-            {
-            // We don't care - we've just been deleted!
-            }
-        }
-    }
-
-
-EXPORT_C void CMemSpyProcess::Open()
-    {
-    if  ( !OpenOrCloseInProgress() )
-        {
-        SetOpenOrCloseInProgress( ETrue );
-        CMemSpyEngineObject::Open();
-        SetOpenOrCloseInProgress( EFalse );
-        }
-    }
-
-
-EXPORT_C TInt CMemSpyProcess::MdcaCount() const
-    {
-    return iThreads.Count();
-    }
-
-
-EXPORT_C TPtrC CMemSpyProcess::MdcaPoint(TInt aIndex) const
-    {
-    const CMemSpyThread* thread = iThreads[ aIndex ];
-    return TPtrC( thread->NameForListBox() );
-    }
-
-
-EXPORT_C TInt CMemSpyProcess::ThreadIndexById( TThreadId aId ) const
-    {
-    TInt index = KErrNotFound;
-    //
-    const TInt count = iThreads.Count();
-    for( TInt i=0; i<count; i++ )
-        {
-        const CMemSpyThread* thread = iThreads[ i ];
-        if  ( thread->Id() == aId )
-            {
-            index = i;
-            break;
-            }
-        }
-    //
-    return index;
-    }
-
-
-EXPORT_C CMemSpyThread& CMemSpyProcess::ThreadByIdL( TThreadId aId ) const
-    {
-    CMemSpyThread* ret = NULL;
-    //
-    const TInt count = iThreads.Count();
-    for( TInt i=0; i<count; i++ )
-        {
-        CMemSpyThread* thread = iThreads[ i ];
-        if  ( thread->Id() == aId )
-            {
-            ret = thread;
-            break;
-            }
-        }
-    //
-    if  ( ret == NULL )
-        {
-        User::Leave( KErrNotFound );
-        }
-    //
-    return *ret;
-    }
-
-
-
-EXPORT_C TPtrC CMemSpyProcess::Name() const
-    {
-    // Just return the pure name, minus the leading tab
-    TPtrC pRet( iName->Mid(2) );
-    
-    // Find the last tab position
-    TInt pos = pRet.Locate(TChar('\t'));
-    if  ( pos > 0 )
-        {
-        pRet.Set( pRet.Left( pos ) );
-        }
-    //    
-    return pRet;
-    }
-
-
-EXPORT_C CMemSpyThread& CMemSpyProcess::At( TInt aIndex ) const
-    {
-    CMemSpyThread* ret = iThreads[ aIndex ];
-    return *ret;
-    }
-
-
-EXPORT_C void CMemSpyProcess::TerminateL()
-    {
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    RProcess process;
-    User::LeaveIfError( driver.OpenProcess( iId, process ) );
-    process.Terminate( EPanicForcedTerminate );
-    process.Close();
-    //
-    RefreshL();
-    }
-
-
-EXPORT_C void CMemSpyProcess::KillL()
-    {
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    RProcess process;
-    User::LeaveIfError( driver.OpenProcess( iId, process ) );
-    process.Kill( EPanicForcedKill );
-    process.Close();
-    //
-    RefreshL();
-    }
-
-
-EXPORT_C void CMemSpyProcess::PanicL()
-    {
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    RProcess process;
-    User::LeaveIfError( driver.OpenProcess( iId, process ) );
-    process.Panic( KMemSpyClientPanic, EPanicForcedPanic );
-    process.Close();
-    //
-    RefreshL();
-    }
-
-
-EXPORT_C TBool CMemSpyProcess::IsSystemPermanent() const
-    {
-    const TBool ret = ( iInfo->iFlags & KProcessFlagSystemPermanent );
-    return ret;
-    }
-
-
-EXPORT_C TBool CMemSpyProcess::IsSystemCritical() const
-    {
-    const TBool ret = ( iInfo->iFlags & KProcessFlagSystemCritical );
-    return ret;
-    }
-
-
-void CMemSpyProcess::LocateThreadsL( RProcess& aProcess )
-    {
-    __ASSERT_ALWAYS( aProcess.Handle() != KNullHandle, MemSpyEngineUtils::Panic( EMemSpyEnginePanicProcessHandleNullWhenAttemptingToIdentifyThreads ) );
-
-#ifdef _DEBUG
-    RDebug::Printf("CMemSpyProcess::LocateThreadsL() - START - this: 0x%08x, pid: %d (0x%04x)", this, (TUint) aProcess.Id(), (TUint) aProcess.Id() );
-#endif
-
-    RArray<TThreadId> threadIds;
-    CleanupClosePushL( threadIds );
-
-    // Get list of child threads from driver.
-    iEngine.Driver().GetThreadsL( aProcess.Id(), threadIds );
-
-    // Create therad object for each thread the driver returned to us...
-    const TInt count = threadIds.Count();
-#ifdef _DEBUG
-    RDebug::Printf("CMemSpyProcess::LocateThreadsL() - got %d threads", count );
-#endif
-
-    for( TInt i=0; i<count; i++ )
-        {
-        const TThreadId threadId( threadIds[ i ] );
-#ifdef _DEBUG
-        RDebug::Printf("CMemSpyProcess::LocateThreadsL() - thread id: %d (0x%04d)", (TUint) threadId, (TUint) threadId );
-#endif
-        //
-        TRAP_IGNORE( 
-            CMemSpyThread* threadObj = CMemSpyThread::NewLC( threadId, *this );
-            iThreads.AppendL( threadObj );
-            CleanupStack::Pop( threadObj );
-            );
-        }
-
-    // Tidy up
-    CleanupStack::PopAndDestroy( &threadIds );
-    
-#ifdef _DEBUG
-    RDebug::Printf("CMemSpyProcess::LocateThreadsL() - END - this: 0x%08x, pid: %d (0x%04x), thread count: %d", this, (TUint) aProcess.Id(), (TUint) aProcess.Id(), iThreads.Count() );
-#endif
-    }
-
-
-void CMemSpyProcess::AppendPriority( TDes& aDes, TProcessPriority aPriority )
-    {
-    switch( aPriority )
-        {
-    case EPriorityLow:
-        aDes += _L("[L]");
-        break;
-    case EPriorityBackground:
-        aDes += _L("[B]");
-        break;
-    case EPriorityForeground:
-        aDes += _L("[F]");
-        break;
-    case EPriorityHigh:
-        aDes += _L("[H]");
-        break;
-    case EPriorityWindowServer:
-        aDes += _L("[WS]");
-        break;
-    case EPriorityFileServer:
-        aDes += _L("[FS]");
-        break;
-    case EPriorityRealTimeServer:
-        aDes += _L("[RTS]");
-        break;
-    case EPrioritySupervisor:
-        aDes += _L("[SUP]");
-        break;
-    default:
-        aDes += _L("[?]");
-        break;
-        }
-    }
-
-
-void CMemSpyProcess::GetFileName( TFileName& aFileName )
-    {
-    // Fallback
-    const TPtrC pNameCleaned( Name() );
-    aFileName.Zero();
-    aFileName.AppendFormat( _L("%S.exe"), &pNameCleaned );
-
-    // Try to get the proper name
-    RProcess process;
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    if  ( driver.OpenProcess( iId, process ) == KErrNone )
-        {
-        aFileName = process.FileName();
-        process.Close();
-        }
-    }
-
-void CMemSpyProcess::RefreshL()
-    {
-    RMemSpyDriverClient& driver = iEngine.Driver();
-    RProcess process;
-
-    // Deliberately ignore error - the other overload of RefreshL can cope with
-    // a null handle.
-    driver.OpenProcess( iId, process );
-    CleanupClosePushL( process );
-
-    RefreshL( process );
-
-    CleanupStack::PopAndDestroy( &process );
-    }
-
-
-void CMemSpyProcess::RefreshL( const RProcess& aProcess )
-    {
-    const TBool handleValid = aProcess.Handle() != KNullHandle;
-    if  ( handleValid )
-        {
-        RMemSpyDriverClient& driver = iEngine.Driver();
-        User::LeaveIfError( driver.GetProcessInfo( iId, *iInfo ) );
-        }
-
-    // Get priority, exit info etc
-    iExitType = handleValid ? aProcess.ExitType() : EExitKill;
-    iPriority = handleValid ? aProcess.Priority() : EPriorityForeground;
-
-    // If the process is dead then we may not be able to get some attributes
-    // (it depends on whether the thread handle is valid anymore).
-    iExitReason = 0;
-    iExitCategory.Zero();
-
-    if  ( IsDead() )
-        {
-        if  ( handleValid )
-            {
-            iExitReason = aProcess.ExitReason();
-            iExitCategory = aProcess.ExitCategory(); 
-            }
-        else
-            {
-            iExitCategory = KMemSpyUnknownExitCategory;
-            }
-        }
-    else
-        {
-        // We only reset the flags if the process is still alive.
-        // If it is dead (i.e. 'if' branch) then we do not reset because
-        // we have no way to fetch them any more.
-        iFlags = EFlagsNone;
-        }
-
-    // Get raw process name and check whether it includes .exe suffix
-    TBool includesExecutableSuffix = EFalse;
-    HBufC* rawProcessName = GetProcessNameLC( aProcess, includesExecutableSuffix );
-    if ( includesExecutableSuffix )
-        {
-        iFlags |= EFlagsIncludedExecutableWithinName;
-        }
-
-    // Format priority as string
-    TBuf<10> priority;
-    AppendPriority( priority, iPriority );
-
-    // Convert the full name to the format we want in the UI
-    TBuf<KMaxFullName + 60> name;
-    TMemSpyTruncateOverflow overflow;
-
-    // FOR ALIVE PROCESSES:
-    //
-    // 1] Space, followed by tab
-    // 2] Process name (minus .exe)
-    // 3] Tab, Tab
-    // 4] Process uid
-    // 5] Thread count
-    // 6] Process priority
-    //
-    // FOR DEAD PROCESSES:
-    //
-    // 1] Space, followed by tab
-    // 2] Process name (minus .exe)
-    // 3] Tab, Tab
-    // 4] Process uid
-    // 5] Exit info
-
-    // Common
-    _LIT( KMemSpyProcessNameFormatSpecBasicName, " \t%S\t\t%8x, " );
-    name.AppendFormat( KMemSpyProcessNameFormatSpecBasicName, &overflow, rawProcessName, iInfo->SID() );
-    CleanupStack::PopAndDestroy( rawProcessName );
-
-    if  ( IsDead() )
-        {
-        CMemSpyThread::AppendExitInfo( name, iExitType, iExitReason, iExitCategory );
-        }
-    else
-        {
-        _LIT( KMemSpyProcessNameFormatSpecAlive, "%2d thr, %S" );
-        name.AppendFormat( KMemSpyProcessNameFormatSpecAlive, &overflow, iThreads.Count(), &priority );
-        }
-
-    // Save end result
-    HBufC* finalName = name.AllocL();
-    delete iName;
-    iName = finalName;
-    }
-
-
-void CMemSpyProcess::SetDeadL()
-    {
-    RefreshL();
-    }
-
-
-void CMemSpyProcess::SetDeadL( const RProcess& aProcess )
-    {
-    RefreshL( aProcess );
-    }
-
-
-EXPORT_C TBool CMemSpyProcess::IsDead() const
-    {
-    const TBool isDead = ( iExitType != EExitPending );
-    return  isDead;
-    }
-
-
-EXPORT_C TUint32 CMemSpyProcess::SID() const
-    {
-    return iInfo->SID();
-    }
-
-
-EXPORT_C TUint32 CMemSpyProcess::VID() const
-    {
-    return iInfo->VID();
-    }
-
-EXPORT_C TProcessPriority CMemSpyProcess::Priority() const
-	{
-	return iPriority;
-	}
-
-EXPORT_C TExitCategoryName CMemSpyProcess::ExitCategory() const
-	{
-	return iExitCategory;
-	}
-
-EXPORT_C TInt CMemSpyProcess::ExitReason() const
-	{
-	return iExitReason;
-	}
-
-EXPORT_C TExitType CMemSpyProcess::ExitType() const
-	{
-	return iExitType;
-	}
-
-EXPORT_C TUidType CMemSpyProcess::UIDs() const
-    {
-    return iInfo->iUids;
-    }
-
-
-EXPORT_C SCapabilitySet CMemSpyProcess::Capabilities() const
-    {
-    return iInfo->iSecurityInfo.iCaps;
-    }
-
-void CMemSpyProcess::FullName( TDes& aFullName ) const
-    {
-    // c32exe.exe[101f7989]0001
-    aFullName.Zero();
-    aFullName.Append( Name() );
-    if ( iFlags & EFlagsIncludedExecutableWithinName )
-        {
-        // Add .exe
-        aFullName.Append( KMemSpyStandardProcessExtension );
-        }
-
-    aFullName.Append( '[' );
-	aFullName.AppendNumFixedWidth( iInfo->iUids[ 2 ].iUid, EHex, 8 );
-    aFullName.Append( ']' );
-	aFullName.AppendNumFixedWidth( iInfo->iGeneration, EDecimal, 4 );
-    }
-
-
-void CMemSpyProcess::HandleThreadIsBornL( const TThreadId& aId )
-    {
-    // A new thread has been created in this process. Just in case, we'll
-    // check there isn't already an existing thread with the same id...
-    const TInt index = ThreadIndexById( aId );
-    if  ( index < 0 )
-        {
-        TRAP_IGNORE( 
-            CMemSpyThread* threadObj = CMemSpyThread::NewLC( aId, *this );
-            iThreads.AppendL( threadObj );
-            CleanupStack::Pop( threadObj );
-            );
-        }
-    }
-
-
-HBufC* CMemSpyProcess::GetProcessNameLC( const RProcess& aProcessOrNull, TBool& aProcessNameIncludesExeSuffix ) const
-    {
-    _LIT( KMemSpySquareBraceOpen, "[" );
-    //
-    TFullName processName;
-    
-    // Assume the flags have already been set once previously in order to form default response
-    aProcessNameIncludesExeSuffix = ( iFlags & EFlagsIncludedExecutableWithinName );
-
-    const TBool handleValid = aProcessOrNull.Handle() != KNullHandle;
-    if  ( handleValid )
-        {
-        // Easy case - we have a valid thread handle...
-        //
-        // Get full name, e.g.:
-        //
-        // c32exe.exe[101f7989]0001
-        aProcessOrNull.FullName( processName );
-
-        // ... but we need to clean up the name so that it
-        // doesn't include the process UID, and neither does it
-        // include the extension (.exe).
-        TInt pos = processName.FindF( KMemSpySquareBraceOpen );
-        if  ( pos > 0 )
-            {
-            processName.SetLength( pos );
-            }
-        
-        // Discard '.exe'
-        pos = processName.FindF( KMemSpyStandardProcessExtension );
-        if  ( pos > 0 )
-            {
-            aProcessNameIncludesExeSuffix = ETrue;
-            processName.SetLength( pos );
-            }
-        }
-    else
-        {
-        // Since we don't have the possibility to enquire after the process's name
-        // we'll assume that it used to be alive and therefore at some point we did
-        // manage to grep it's name...
-        if  ( iName )
-            {
-            const TPtrC pOriginalName( Name() );
-            processName.Append( pOriginalName );
-            }
-        else
-            {
-            // Don't have a process handle, don't have any possibility to get the
-            // name from a prior cached version. Must use "unknown"
-            processName.Append( KMemSpyUnknownProcessName );
-            }
-        }
-    //
-    HBufC* ret = processName.AllocLC();
-    return ret;
-    }
-
-
-void CMemSpyProcess::CloseAllThreads()
-    {
-    const TInt count = iThreads.Count();
-    for(TInt i=count-1; i>=0; i--)
-        {
-        CMemSpyThread* thread = iThreads[ i ];
-        thread->Close();
-        }
-    }
-