--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanClientServer.cpp Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,273 @@
+/*
+* 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 "MemSpyDriverLogChanClientServer.h"
+
+// System includes
+#include <memspy/driver/memspydriverobjectsshared.h>
+
+// Shared includes
+#include "MemSpyDriverOpCodes.h"
+#include "MemSpyDriverObjectsInternal.h"
+
+// User includes
+#include "MemSpyDriverUtils.h"
+#include "MemSpyDriverOSAdaption.h"
+
+
+
+DMemSpyDriverLogChanClientServer::DMemSpyDriverLogChanClientServer( DMemSpyDriverDevice& aDevice, DThread& aThread )
+: DMemSpyDriverLogChanContainerBase( aDevice, aThread )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::DMemSpyDriverLogChanChunks() - this: 0x%08x", this ));
+ }
+
+
+DMemSpyDriverLogChanClientServer::~DMemSpyDriverLogChanClientServer()
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::~DMemSpyDriverLogChanClientServer() - START - this: 0x%08x", this ));
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::~DMemSpyDriverLogChanClientServer() - END - this: 0x%08x", this ));
+ }
+
+
+
+TInt DMemSpyDriverLogChanClientServer::Request( TInt aFunction, TAny* a1, TAny* a2 )
+ {
+ TInt r = DMemSpyDriverLogChanContainerBase::Request( aFunction, a1, a2 );
+ if ( r == KErrNone )
+ {
+ switch( aFunction )
+ {
+ case EMemSpyDriverOpCodeClientServerGetServerSessionHandles:
+ r = GetServerSessionHandles( (TMemSpyDriverInternalServerSessionHandleParams*) a1 );
+ break;
+ case EMemSpyDriverOpCodeClientServerGetServerSessionInfo:
+ r = GetServerSessionInfo( a1, (TMemSpyDriverServerSessionInfo*) a2 );
+ break;
+
+ default:
+ r = KErrNotSupported;
+ break;
+ }
+ }
+ //
+ return r;
+ }
+
+
+TBool DMemSpyDriverLogChanClientServer::IsHandler( TInt aFunction ) const
+ {
+ return ( aFunction > EMemSpyDriverOpCodeClientServerBase && aFunction < EMemSpyDriverOpCodeClientServerEnd );
+ }
+
+
+
+
+
+
+TInt DMemSpyDriverLogChanClientServer::GetServerSessionHandles( TMemSpyDriverInternalServerSessionHandleParams* aParams )
+ {
+ TMemSpyDriverInternalServerSessionHandleParams params;
+ TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalServerSessionHandleParams) );
+ if ( r != KErrNone )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - END - params read error: %d", r));
+ return r;
+ }
+
+ DMemSpyDriverOSAdaptionDServer& serverAdaption = OSAdaption().DServer();
+
+ const TInt maxCount = params.iMaxCount;
+ NKern::ThreadEnterCS();
+
+ DObject* serverHandle = (DObject*) params.iServerHandle;
+ serverHandle = CheckIfObjectIsInContainer( EMemSpyDriverContainerTypeServer, serverHandle );
+ if ( serverHandle == NULL )
+ {
+ Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - END - server not found");
+ NKern::ThreadLeaveCS();
+ return KErrNotFound;
+ }
+
+ ResetTempHandles();
+
+ DServer* server = (DServer*) serverHandle;
+ NKern::LockSystem();
+
+ r = server->Open();
+ if ( r == KErrNone )
+ {
+ // Iterate through this server's sessions, writing back session pointer (handle)
+ // to client
+ SDblQue& serverQueue = serverAdaption.GetSessionQueue( *server );
+ SDblQueLink* anchor = &serverQueue.iA;
+ SDblQueLink* link = serverQueue.First();
+ while( link != anchor )
+ {
+ DSession* session = serverAdaption.GetSession( link );
+
+ // Found a match in the specified container. Write the object's handle (aka the object address)
+ // back to the client address space
+ if ( session )
+ {
+ AddTempHandle( session );
+ }
+
+ // Get next item
+ link = link->iNext;
+ }
+
+ NKern::ThreadEnterCS();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - in CS..." ));
+ //
+ Kern::SafeClose( (DObject*&) server, NULL );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - done safe close..." ));
+ //
+ NKern::ThreadLeaveCS();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - left CS" ));
+ }
+ else
+ {
+ Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles - error: %d opening server", r);
+ }
+
+ NKern::UnlockSystem();
+
+ // This variable holds the number of handles that we have already
+ // written to the client-side.
+ TInt currentWriteIndex = 0;
+ const TInt handleCount = TempHandleCount();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles - writing %d handles to client...", handleCount ) );
+ for( ; currentWriteIndex<handleCount && r == KErrNone && currentWriteIndex < maxCount; )
+ {
+ TAny* handle = TempHandleAt( currentWriteIndex );
+ r = Kern::ThreadRawWrite( &ClientThread(), params.iSessionHandles + currentWriteIndex, &handle, sizeof(TAny*) );
+ if (r == KErrNone)
+ {
+ ++currentWriteIndex;
+ }
+ }
+
+ if ( r == KErrBadDescriptor )
+ {
+ MemSpyDriverUtils::PanicThread( ClientThread(), EPanicBadDescriptor );
+ }
+ else
+ {
+ const TInt finalWrite = Kern::ThreadRawWrite( &ClientThread(), params.iSessionCountPtr, ¤tWriteIndex, sizeof(TInt) );
+ if ( r == KErrNone )
+ {
+ r = finalWrite;
+ }
+ }
+
+ NKern::ThreadLeaveCS();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionHandles() - END - r: %d", r));
+ return r;
+ }
+
+
+TInt DMemSpyDriverLogChanClientServer::GetServerSessionInfo( TAny* aSessionHandle, TMemSpyDriverServerSessionInfo* aParams )
+ {
+ TMemSpyDriverServerSessionInfo params;
+ TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverServerSessionInfo) );
+ if ( r != KErrNone )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - END - params read error: %d", r));
+ return r;
+ }
+
+ DMemSpyDriverOSAdaptionDSession& sessionAdaption = OSAdaption().DSession();
+ DMemSpyDriverOSAdaptionDThread& threadAdaption = OSAdaption().DThread();
+ DMemSpyDriverOSAdaptionDProcess& processAdaption = OSAdaption().DProcess();
+
+ NKern::ThreadEnterCS();
+
+ DObject* sessionHandle = (DObject*) aSessionHandle;
+ sessionHandle = CheckIfObjectIsInContainer( EMemSpyDriverContainerTypeSession, sessionHandle );
+ if ( sessionHandle == NULL )
+ {
+ Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - END - session not found");
+ NKern::ThreadLeaveCS();
+ return KErrNotFound;
+ }
+
+ DSession* session = (DSession*) sessionHandle;
+ session->FullName( params.iName );
+
+ NKern::LockSystem();
+ r = session->Open();
+ if ( r == KErrNone )
+ {
+ // Get owner type and id
+ DObject* sessionOwner = sessionAdaption.GetOwner( *session );
+ if ( sessionOwner )
+ {
+ const TObjectType objectType = sessionAdaption.GetObjectType( *sessionOwner );
+ if ( objectType == EProcess )
+ {
+ DProcess* sessionProcess = (DProcess*) sessionOwner;
+ //
+ params.iOwnerId = processAdaption.GetId( *sessionProcess );
+ params.iOwnerType = TMemSpyDriverServerSessionInfo::EOwnerProcess;
+ }
+ else if ( objectType == EThread )
+ {
+ DThread* sessionThread = (DThread*) sessionOwner;
+ //
+ params.iOwnerId = threadAdaption.GetId( *sessionThread );
+ params.iOwnerType = TMemSpyDriverServerSessionInfo::EOwnerThread;
+ }
+ }
+ else
+ {
+ params.iOwnerId = -1;
+ params.iOwnerType = TMemSpyDriverServerSessionInfo::EOwnerNone;
+ }
+
+ // Other attributes
+ params.iSessionType = sessionAdaption.GetSessionType( *session );
+ params.iAddress = (TUint8*)session;
+
+ NKern::ThreadEnterCS();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - in CS..." ));
+ //
+ Kern::SafeClose( (DObject*&) session, NULL );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - done safe close..." ));
+ //
+ NKern::ThreadLeaveCS();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - left CS" ));
+ }
+ else
+ {
+ Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo - error: %d opening server", r);
+ }
+
+ NKern::UnlockSystem();
+
+ if ( r == KErrNone )
+ {
+ r = Kern::ThreadRawWrite( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverServerSessionInfo) );
+ }
+
+ NKern::ThreadLeaveCS();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanClientServer::GetServerSessionInfo() - END - r: %d", r));
+ return r;
+ }