memspy/Driver/Kernel/Source/MemSpyDriverInspectedProcessManager.cpp
changeset 0 a03f92240627
equal deleted inserted replaced
-1:000000000000 0:a03f92240627
       
     1 /*
       
     2 * Copyright (c) 2009 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 "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:
       
    15 *
       
    16 */
       
    17 
       
    18 #include "MemSpyDriverInspectedProcessManager.h"
       
    19 
       
    20 // User includes
       
    21 #include "MemSpyDriverUtils.h"
       
    22 #include "MemSpyDriverDevice.h"
       
    23 #include "MemSpyDriverInspectedProcess.h"
       
    24 
       
    25 
       
    26 DMemSpyInspectedProcessManager::DMemSpyInspectedProcessManager()
       
    27     {
       
    28     }
       
    29 
       
    30 
       
    31 DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager()
       
    32 	{
       
    33 	TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - START"));
       
    34     NKern::ThreadEnterCS();
       
    35 
       
    36 	TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - cancelling event monitor..."));
       
    37     EventMonitor().RequestEventsCancel( *this );
       
    38 
       
    39 	TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - freeing all inspected processes..."));
       
    40     FreeAllInspectedProcesses();
       
    41 
       
    42     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - closing auto-start SID list..."));
       
    43     iAutoStartSIDs.Close();
       
    44 
       
    45     if  ( iDevice )
       
    46 		{
       
    47         TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - closing iDevice" ));
       
    48 		iDevice->Close(NULL);
       
    49 		}
       
    50 
       
    51     NKern::ThreadLeaveCS();
       
    52 	TRACE( Kern::Printf("DMemSpyInspectedProcessManager::~DMemSpyInspectedProcessManager() - END"));
       
    53 	}
       
    54 
       
    55 
       
    56 TInt DMemSpyInspectedProcessManager::Create( DMemSpyDriverDevice* aDevice )
       
    57     {
       
    58     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::Create() - START" ) );
       
    59     //
       
    60     TInt error = aDevice->Open();
       
    61     if  ( error == KErrNone )
       
    62         {
       
    63         iDevice = aDevice;
       
    64 
       
    65         TRACE( Kern::Printf("DMemSpyInspectedProcessManager::Create() - requesting events..." ) );
       
    66         EventMonitor().RequestEvents( *this );
       
    67         }
       
    68     //
       
    69     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::Create() - END - error: %d", error ) );
       
    70     return error;
       
    71     }
       
    72 
       
    73 
       
    74 TInt DMemSpyInspectedProcessManager::ProcessOpen( DProcess* aProcess )
       
    75     {
       
    76     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessOpen() - START - aProcess: 0x%08x (%O)", aProcess, aProcess ) );
       
    77     NKern::ThreadEnterCS();
       
    78     TInt error = KErrNotFound;
       
    79     //
       
    80     DMemSpyInspectedProcess* object = InspectedProcessByProcessId( aProcess->iId );
       
    81     if  ( object == NULL )
       
    82         {
       
    83         object = new DMemSpyInspectedProcess( *iDevice );
       
    84         //
       
    85         if ( object == NULL )
       
    86             {
       
    87             error = KErrNoMemory;
       
    88             }
       
    89         else
       
    90             {
       
    91             error = object->Open( aProcess );
       
    92             //
       
    93             if  ( error == KErrNone )
       
    94                 {
       
    95                 iMonitoredProcesses.Add( &object->iPMLink );
       
    96                 }
       
    97             else
       
    98                 {
       
    99                 delete object;
       
   100                 }
       
   101             }
       
   102         }
       
   103     else
       
   104         {
       
   105         error = KErrNone;
       
   106         }
       
   107     //
       
   108     NKern::ThreadLeaveCS();
       
   109     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessOpen() - END - aProcess: 0x%08x, error: %d", aProcess, error ) );
       
   110     return error;
       
   111     }
       
   112 
       
   113 
       
   114 TInt DMemSpyInspectedProcessManager::ProcessClose( DProcess* aProcess )
       
   115     {
       
   116     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessClose() - START - aProcess: 0x%08x (%O)", aProcess, aProcess ) );
       
   117     TInt error = KErrNotFound;
       
   118     //
       
   119     DMemSpyInspectedProcess* object = InspectedProcessByProcessId( aProcess->iId );
       
   120     if  ( object != NULL )
       
   121         {
       
   122         NKern::ThreadEnterCS();
       
   123         object->iPMLink.Deque();
       
   124         delete object;
       
   125         NKern::ThreadLeaveCS();
       
   126         error = KErrNone;
       
   127         }
       
   128     //
       
   129     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessClose() - END - aProcess: 0x%08x, error: %d", aProcess, error ) );
       
   130     return error;
       
   131     }
       
   132 
       
   133 
       
   134 TInt DMemSpyInspectedProcessManager::ProcessCount() const
       
   135     {
       
   136     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessCount() - START" ) );
       
   137     TInt ret = 0;
       
   138     //
       
   139 	const SDblQueLink* const anchor = &iMonitoredProcesses.iA;
       
   140 	for (SDblQueLink* link = iMonitoredProcesses.First(); link != anchor; link = link->iNext )
       
   141 		{
       
   142         ++ret;
       
   143         }
       
   144     //
       
   145     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::ProcessCount() - END - count: %d", ret ) );
       
   146     return ret;
       
   147     }
       
   148 
       
   149 
       
   150 DMemSpyInspectedProcess* DMemSpyInspectedProcessManager::InspectedProcessByProcessId( TUint aProcessId )
       
   151     {
       
   152     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::InspectedProcessByProcessId() - START - aProcessId: 0x%08x", aProcessId ) );
       
   153     DMemSpyInspectedProcess* ret = 0;
       
   154     //
       
   155 	const SDblQueLink* const anchor = &iMonitoredProcesses.iA;
       
   156 	for (SDblQueLink* link = iMonitoredProcesses.First(); link != anchor; link = link->iNext )
       
   157 		{
       
   158 		DMemSpyInspectedProcess* object = _LOFF( link, DMemSpyInspectedProcess, iPMLink );
       
   159         //
       
   160         if  ( object->ProcessId() == aProcessId )
       
   161             {
       
   162             ret = object;
       
   163             break;
       
   164             }
       
   165         }
       
   166     //
       
   167     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::InspectedProcessByProcessId() - END - aProcessId: 0x%08x, ret: 0x%08x", aProcessId, ret ) );
       
   168     return ret;
       
   169     }
       
   170 
       
   171 
       
   172 void DMemSpyInspectedProcessManager::AutoStartListReset()
       
   173     {
       
   174     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::AutoStartListReset() - START") );
       
   175     NKern::ThreadEnterCS();
       
   176 
       
   177     iAutoStartSIDs.Reset();
       
   178 
       
   179     NKern::ThreadLeaveCS();
       
   180     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::AutoStartListReset() - END") );
       
   181     }
       
   182 
       
   183 
       
   184 TInt DMemSpyInspectedProcessManager::AutoStartListAdd( TUint aSID )
       
   185     {
       
   186     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::AutoStartListAdd() - START - aSID: 0x%08x", aSID ) );
       
   187     //
       
   188     NKern::ThreadEnterCS();
       
   189     const TInt error = iAutoStartSIDs.Append( aSID );
       
   190     NKern::ThreadLeaveCS();
       
   191     //
       
   192     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::AutoStartListAdd() - END - error: %d", error ) );
       
   193     return error;
       
   194     }
       
   195 
       
   196 
       
   197 
       
   198 
       
   199 
       
   200 
       
   201 void DMemSpyInspectedProcessManager::FreeAllInspectedProcesses()
       
   202     {
       
   203     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::FreeAllInspectedProcesses() - START") );
       
   204 	
       
   205     SDblQueLink* link = iMonitoredProcesses.GetFirst();
       
   206 	while( link )
       
   207 		{
       
   208 		DMemSpyInspectedProcess* object = _LOFF( link, DMemSpyInspectedProcess, iPMLink );
       
   209         if  ( object )
       
   210             {
       
   211             delete object;
       
   212             }
       
   213 
       
   214         link = iMonitoredProcesses.GetFirst();
       
   215 		}
       
   216 
       
   217     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::FreeAllInspectedProcesses() - END") );
       
   218     }
       
   219 
       
   220 
       
   221 DMemSpyEventMonitor& DMemSpyInspectedProcessManager::EventMonitor()
       
   222     {
       
   223     return iDevice->EventMonitor();
       
   224     }
       
   225 
       
   226 
       
   227 TUint DMemSpyInspectedProcessManager::EMTypeMask() const
       
   228     {
       
   229     return EMemSpyEventProcessAdd;
       
   230     }
       
   231 
       
   232 
       
   233 void DMemSpyInspectedProcessManager::EMHandleProcessAdd( DProcess& aProcess )
       
   234     {
       
   235     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::EMHandleProcessAdd() - START - aProcess: 0x%08x %O", &aProcess, &aProcess ) );
       
   236  
       
   237     const TUint uid3 = aProcess.iUids.iUid[ 2 ].iUid;
       
   238     const TInt findResult = iAutoStartSIDs.Find( uid3 );
       
   239 
       
   240 #ifdef _DEBUG
       
   241     const TUint uid1 = aProcess.iUids.iUid[ 0 ].iUid;
       
   242     const TUint uid2 = aProcess.iUids.iUid[ 1 ].iUid;
       
   243     Kern::Printf("DMemSpyInspectedProcessManager::EMHandleProcessAdd() - uids[ 0x%08x / 0x%08x / 0x%08x ], findResult: %d", uid1, uid2, uid3, findResult );
       
   244 #endif
       
   245     //
       
   246     if  ( findResult != KErrNotFound )
       
   247         {
       
   248         TRACE( Kern::Printf("DMemSpyInspectedProcessManager::EMHandleProcessAdd() - AUTO-START FOR PROCESS %O DETECTED", &aProcess ) );
       
   249         const TInt error = ProcessOpen( &aProcess );
       
   250         (void) error;
       
   251         TRACE( Kern::Printf("DMemSpyInspectedProcessManager::EMHandleProcessAdd() - auto-start error: %d", error ) );
       
   252         }
       
   253     //
       
   254     TRACE( Kern::Printf("DMemSpyInspectedProcessManager::EMHandleProcessAdd() - END" ) );
       
   255     }
       
   256 
       
   257 
       
   258 
       
   259 
       
   260 
       
   261 
       
   262 
       
   263