satengine/SatServer/Engine/src/csatsactivewrapper.cpp
changeset 46 2fa1fa551b0b
parent 42 35488577e233
child 48 78df25012fda
equal deleted inserted replaced
42:35488577e233 46:2fa1fa551b0b
     1 /*
       
     2 * Copyright (c) 2002-2008 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:  Active object wrapper for SAT Server
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include    "csatsactivewrapper.h"
       
    20 #include    "SatLog.h"
       
    21 
       
    22 const TInt KShortWait = 200; // 200 microseconds
       
    23 const TInt KWaitTimes = 5;   // Number of retries
       
    24 
       
    25 // ================= MEMBER FUNCTIONS ==========================================
       
    26 
       
    27 // Class constructor.
       
    28 CSatSActiveWrapper::CSatSActiveWrapper() :
       
    29     CActive( EPriorityStandard )
       
    30     {
       
    31     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::CSatSActiveWrapper \
       
    32     calling-exiting" )
       
    33     CActiveScheduler::Add( this );
       
    34     }
       
    35 
       
    36 // Destructor
       
    37 CSatSActiveWrapper::~CSatSActiveWrapper()
       
    38     {
       
    39     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::~CSatSActiveWrapper calling" )
       
    40 
       
    41     if ( iTimer )
       
    42         {
       
    43         iTimer->Cancel();
       
    44         delete iTimer;
       
    45         }
       
    46 
       
    47     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::~CSatSActiveWrapper exiting" )
       
    48     }
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CSatSActiveWrapper::RequestStatus
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 TRequestStatus& CSatSActiveWrapper::RequestStatus()
       
    55     {
       
    56     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::RequestStatus calling" )
       
    57 
       
    58     TInt retries( 0 );
       
    59     while ( IsActive() && ( retries++ < KWaitTimes ) )
       
    60         {
       
    61         // If this wrapper is already active, wait little bit
       
    62         After( KShortWait );
       
    63         }
       
    64     LOG2( DETAILED, "SATENGINE: CSatSActiveWrapper::RequestStatus retries: %d",
       
    65           retries )
       
    66     // Double check. If still active, cancel
       
    67     if ( IsActive() )
       
    68         {
       
    69         LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::RequestStatus active" )
       
    70         CancelWrapper();
       
    71         }
       
    72 
       
    73     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::RequestStatus exiting" )
       
    74     return iStatus;
       
    75     }
       
    76 // -----------------------------------------------------------------------------
       
    77 // CSatSActiveWrapper::SetActiveAndWait
       
    78 // -----------------------------------------------------------------------------
       
    79 //
       
    80 TInt CSatSActiveWrapper::SetActiveAndWait()
       
    81     {
       
    82     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::SetActiveAndWait calling" )
       
    83 
       
    84     TInt returnValue( KErrInUse );
       
    85     if ( !IsActive() && !iWait.IsStarted() )
       
    86         {
       
    87         LOG( DETAILED,
       
    88         "SATENGINE: CSatSActiveWrapper::SetActiveAndWait setActiveAndWait" )
       
    89         SetActive();
       
    90         iWait.Start(); // Blocks until request is complete or cancelled
       
    91         returnValue = iStatus.Int();
       
    92         }
       
    93 
       
    94     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::SetActiveAndWait exiting" )
       
    95     return returnValue;
       
    96     }
       
    97 
       
    98 // -----------------------------------------------------------------------------
       
    99 // CSatSActiveWrapper::After
       
   100 // -----------------------------------------------------------------------------
       
   101 void CSatSActiveWrapper::After(
       
   102     const TTimeIntervalMicroSeconds32& aDelay,
       
   103     const TTimeIntervalMicroSeconds32& aInterval )
       
   104     {
       
   105     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::After calling" )
       
   106 
       
   107     if ( !iAfterWait.IsStarted() )
       
   108         {
       
   109         LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::After start iAfterWait" )
       
   110         TRAP_IGNORE( ( iTimer = CPeriodic::NewL( EPriorityStandard ) ) )
       
   111         iTimer->Start( aDelay, aInterval, TCallBack( DelayCallBack, this ) );
       
   112         iAfterWait.Start();
       
   113 
       
   114         delete iTimer;
       
   115         iTimer = NULL;
       
   116         }
       
   117 
       
   118     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::After exiting" )
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CSatSActiveWrapper::DelayCallBack
       
   123 // Timer call back function
       
   124 // -----------------------------------------------------------------------------
       
   125 TInt CSatSActiveWrapper::DelayCallBack( TAny* aPtr )
       
   126     {
       
   127     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::DelayCallBack calling" )
       
   128     CSatSActiveWrapper* ptrThis = static_cast<CSatSActiveWrapper*>( aPtr );
       
   129     if ( ptrThis && ( ptrThis->iAfterWait.IsStarted() ) )
       
   130         {
       
   131         LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::DelayCallBack stop \
       
   132              iAfterWait" )
       
   133         ptrThis->iAfterWait.AsyncStop();
       
   134         }
       
   135     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::DelayCallBack exiting" )
       
   136     return ( EFalse );
       
   137     }
       
   138 
       
   139 // -----------------------------------------------------------------------------
       
   140 // CSatSActiveWrapper::AddSubSessionL
       
   141 // -----------------------------------------------------------------------------
       
   142 void CSatSActiveWrapper::CancelWrapper()
       
   143     {
       
   144     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::CancelWrapper calling" )
       
   145 
       
   146     // If pending for request, cancel active
       
   147     if ( IsActive() )
       
   148         {
       
   149         LOG( SIMPLE, 
       
   150         "SATENGINE: CSatSActiveWrapper::CancelWrapper cancel iWait" )
       
   151         // Calls DoCancel which cancels iWait
       
   152         Cancel();
       
   153         }
       
   154     else if ( iAfterWait.IsStarted() )
       
   155         {
       
   156         LOG( SIMPLE, 
       
   157         "SATENGINE: CSatSActiveWrapper::CancelWrapper cancel timer" )
       
   158         // Cancels timer
       
   159         iAfterWait.AsyncStop();
       
   160         }
       
   161     else
       
   162         {
       
   163         LOG( SIMPLE, 
       
   164         "SATENGINE: CSatSActiveWrapper::CancelWrapper Wrapper not active" )
       
   165         }
       
   166 
       
   167     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::CancelWrapper exiting" )
       
   168     }
       
   169 
       
   170 // -----------------------------------------------------------------------------
       
   171 // CSatSActiveWrapper::Release
       
   172 // -----------------------------------------------------------------------------
       
   173 void CSatSActiveWrapper::Release()
       
   174     {
       
   175     LOG( SIMPLE, "SATENGINE: CSatSActiveWrapper::Release calling-exiting" )
       
   176     delete this;
       
   177     }
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CSatSActiveWrapper::RunL
       
   181 // Synchronous request complete
       
   182 // -----------------------------------------------------------------------------
       
   183 //
       
   184 void CSatSActiveWrapper::RunL()
       
   185     {
       
   186     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::RunL calling" )
       
   187 
       
   188     iWait.AsyncStop();
       
   189 
       
   190     LOG( DETAILED, "SATENGINE: CSatSActiveWrapper::RunL exiting" )
       
   191     }
       
   192 
       
   193 // -----------------------------------------------------------------------------
       
   194 // CSatSActiveWrapper::DoCancel
       
   195 // Synchronous request complete
       
   196 // -----------------------------------------------------------------------------
       
   197 //
       
   198 void CSatSActiveWrapper::DoCancel()
       
   199     {
       
   200     LOG( SIMPLE, "SATENGINE: CSatBIPUtils::DoCancel calling" )
       
   201 
       
   202     iWait.AsyncStop();
       
   203 
       
   204     LOG( SIMPLE, "SATENGINE: CSatBIPUtils::DoCancel exiting" )
       
   205     }