satengine/SatServer/EventMonitors/src/CSatBrowserThreadMonitor.cpp
changeset 46 2fa1fa551b0b
parent 42 35488577e233
child 48 78df25012fda
equal deleted inserted replaced
42:35488577e233 46:2fa1fa551b0b
     1 /*
       
     2 * Copyright (c) 2002-2007 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:  Monitors browser's thread death.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include    <etelsat.h>
       
    21 #include    <e32std.h>
       
    22 #include    "msatbrowserthreadobserver.h"
       
    23 #include    "CSatBrowserThreadMonitor.h"
       
    24 #include    "SatLog.h"
       
    25 
       
    26 
       
    27 // ================= MEMBER FUNCTIONS ==========================================
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CSatBrowserThreadMonitor::CSatBrowserThreadMonitor
       
    31 // The class constructor
       
    32 // -----------------------------------------------------------------------------
       
    33 //
       
    34 CSatBrowserThreadMonitor::CSatBrowserThreadMonitor(
       
    35     const RThread& aThread ) :
       
    36     CActive( EPriorityStandard ),
       
    37     iThread( aThread )
       
    38     {
       
    39     LOG( SIMPLE,
       
    40         "SATEVENTMONITORS: CSatBrowserThreadMonitor::CSatBrowserThreadMonitor \
       
    41         calling" )
       
    42 
       
    43     CActiveScheduler::Add( this );
       
    44 
       
    45     LOG( SIMPLE,
       
    46         "SATEVENTMONITORS: CSatBrowserThreadMonitor::CSatBrowserThreadMonitor \
       
    47         exiting" )
       
    48     }
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CSatSBrowserTerminationMonitor::NewL
       
    52 // Two-phased constructor
       
    53 // -----------------------------------------------------------------------------
       
    54 //
       
    55 CSatBrowserThreadMonitor* CSatBrowserThreadMonitor::NewL(
       
    56     const RThread& aThread )
       
    57     {
       
    58     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::NewL calling" )
       
    59 
       
    60     CSatBrowserThreadMonitor* self =
       
    61         new( ELeave )CSatBrowserThreadMonitor( aThread );
       
    62 
       
    63     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::NewL exiting" )
       
    64     return self;
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CSatBrowserThreadMonitor::~CSatBrowserThreadMonitor
       
    69 // Destructor
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CSatBrowserThreadMonitor::~CSatBrowserThreadMonitor()
       
    73     {
       
    74     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::\
       
    75         ~CSatBrowserThreadMonitor calling" )
       
    76 
       
    77     // Cancel any outstanding requests.
       
    78     Cancel();
       
    79     iThread.Close();
       
    80 
       
    81     iObserver = NULL;
       
    82 
       
    83     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::\
       
    84         ~CSatBrowserThreadMonitor exiting" )
       
    85     }
       
    86 
       
    87 // -----------------------------------------------------------------------------
       
    88 // CSatBrowserThreadMonitor::StartMonitor
       
    89 // Starts the handler.
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 void CSatBrowserThreadMonitor::StartMonitor(
       
    93     MSatBrowserThreadObserver* aObserver )
       
    94     {
       
    95     LOG( SIMPLE,
       
    96         "SATEVENTMONITORS: CSatBrowserThreadMonitor::StartMonitor calling" )
       
    97 
       
    98     iObserver = aObserver;
       
    99 
       
   100     Start();
       
   101 
       
   102     LOG( SIMPLE,
       
   103         "SATEVENTMONITORS: CSatBrowserThreadMonitor::StartMonitor exiting" )
       
   104     }
       
   105 
       
   106 // -----------------------------------------------------------------------------
       
   107 // CSatBrowserThreadMonitor::Start
       
   108 // Starts the handler.
       
   109 // -----------------------------------------------------------------------------
       
   110 //
       
   111 void CSatBrowserThreadMonitor::Start()
       
   112     {
       
   113     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::Start calling" )
       
   114 
       
   115     // Just in case.
       
   116     Cancel();
       
   117 
       
   118     // Monitor changes only in Browser Thread.
       
   119     iThread.Logon( iStatus );
       
   120     SetActive();
       
   121 
       
   122     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::Start exiting" )
       
   123     }
       
   124 
       
   125 // -----------------------------------------------------------------------------
       
   126 // CSatBrowserThreadMonitor::DoCancelMonitor
       
   127 // -----------------------------------------------------------------------------
       
   128 //
       
   129 void CSatBrowserThreadMonitor::DoCancelMonitor()
       
   130     {
       
   131     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::\
       
   132         DoCancelMonitor calling" )
       
   133 
       
   134     Cancel();
       
   135 
       
   136     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::\
       
   137         DoCancelMonitor exiting" )
       
   138     }
       
   139 
       
   140 // -----------------------------------------------------------------------------
       
   141 // CSatBrowserThreadMonitor::RunL
       
   142 // Handles the command.
       
   143 // -----------------------------------------------------------------------------
       
   144 //
       
   145 void CSatBrowserThreadMonitor::RunL()
       
   146     {
       
   147     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::RunL calling" )
       
   148 
       
   149     const TExitType exitType( iThread.ExitType() );
       
   150 
       
   151     // Check whether the thread is alive.
       
   152     if ( EExitPending == exitType )
       
   153         {
       
   154         LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::RunL() | \
       
   155            iThread.ExitType = EExitPending , renew the request" )
       
   156         // Renew the request.
       
   157         Start();
       
   158         }
       
   159     // Thread has exited
       
   160     else
       
   161         {
       
   162         LOG2( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::RunL() | \
       
   163             Thread has exited with exit code %i", exitType )
       
   164 
       
   165         // Why did the browser exit.
       
   166         RSat::TBrowserTerminationCause cause( ExitCause() );
       
   167 
       
   168         // Call the event monitor with the cause of the thread termination.
       
   169         iObserver->NotifyBrowserTerminated( cause );
       
   170         }
       
   171     LOG( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::RunL exiting" )
       
   172     }
       
   173 
       
   174 // -----------------------------------------------------------------------------
       
   175 // CSatBrowserThreadMonitor::DoCancel
       
   176 // Cancels the pending request.
       
   177 // -----------------------------------------------------------------------------
       
   178 //
       
   179 void CSatBrowserThreadMonitor::DoCancel()
       
   180     {
       
   181     LOG( SIMPLE,
       
   182         "SATEVENTMONITORS: CSatBrowserThreadMonitor::DoCancel calling" )
       
   183 
       
   184     // No longer monitor this thread.
       
   185     iThread.LogonCancel( iStatus );
       
   186 
       
   187     LOG( SIMPLE,
       
   188         "SATEVENTMONITORS: CSatBrowserThreadMonitor::DoCancel exiting" )
       
   189     }
       
   190 
       
   191 // -----------------------------------------------------------------------------
       
   192 // CSatBrowserThreadMonitor::ExitCause
       
   193 // Why did the application close.
       
   194 // -----------------------------------------------------------------------------
       
   195 //
       
   196 RSat::TBrowserTerminationCause CSatBrowserThreadMonitor::ExitCause() const
       
   197     {
       
   198     LOG( SIMPLE,
       
   199     "SATEVENTMONITORS: CSatBrowserThreadMonitor::ExitCause calling" )
       
   200 
       
   201     TExitType exitType = iThread.ExitType();
       
   202     RSat::TBrowserTerminationCause terminationCause;
       
   203     LOG2( SIMPLE,
       
   204     "SATEVENTMONITORS: CSatBrowserThreadMonitor::ExitCause exitType: %d",
       
   205     exitType )
       
   206     switch ( exitType )
       
   207         {
       
   208         // The thread has ended as a result of a kill.
       
   209         // i.e. Kill() has been called on the RThread.
       
   210         case EExitKill:
       
   211             {
       
   212             terminationCause = RSat::EUserTermination;
       
   213             break;
       
   214             }
       
   215 
       
   216         // The thread has been panicked.
       
   217         case EExitPanic:
       
   218             {
       
   219             terminationCause = RSat::EErrorTermination;
       
   220             break;
       
   221             }
       
   222 
       
   223         // The thread ended for unknown reasons.
       
   224         default:
       
   225             {
       
   226             terminationCause = RSat::EUnknownCause;
       
   227             break;
       
   228             }
       
   229         }
       
   230 
       
   231     LOG2( SIMPLE, "SATEVENTMONITORS: CSatBrowserThreadMonitor::\
       
   232         ExitCause exiting with value: %d", terminationCause )
       
   233     return terminationCause;
       
   234     }
       
   235 
       
   236 //  End of File