satengine/SatServer/Engine/src/csatbipconnectionobserver.cpp
changeset 46 2fa1fa551b0b
parent 42 35488577e233
child 48 78df25012fda
equal deleted inserted replaced
42:35488577e233 46:2fa1fa551b0b
     1 /*
       
     2 * Copyright (c) 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:  Observer of the GPRS connection status change
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <etelpckt.h>
       
    22 #include <pcktcs.h> // for EPacketNotifyStatusChange in DoCancel
       
    23 #include "csatbipconnectionobserver.h"
       
    24 #include "CSatBIPUtils.h"
       
    25 #include "SatLog.h"
       
    26 
       
    27 
       
    28 // ============================ MEMBER FUNCTIONS ===============================
       
    29 
       
    30 // -----------------------------------------------------------------------------
       
    31 // CSatBIPConnectionObserver::CSatBIPConnectionObserver
       
    32 // C++ default constructor can NOT contain any code, that
       
    33 // might leave.
       
    34 // -----------------------------------------------------------------------------
       
    35 //
       
    36 CSatBIPConnectionObserver::CSatBIPConnectionObserver(
       
    37     CSatBIPUtils& aBipUtils ) :
       
    38     CActive( EPriorityNormal ),
       
    39     iBipUtils( aBipUtils )
       
    40     {
       
    41     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::\
       
    42         CSatBIPConnectionObserver calling" )
       
    43     CActiveScheduler::Add( this );
       
    44     // Get current status
       
    45     iBipUtils.PacketService().GetStatus( iConnectionStatus );
       
    46     // Set last status
       
    47     iPrevConnectionStatus = iConnectionStatus;
       
    48     LOG2( NORMAL, "SATENGINE: CSatBIPConnectionObserver::\
       
    49         CSatBIPConnectionObserver exiting: %i", iConnectionStatus )
       
    50     }
       
    51 
       
    52 // -----------------------------------------------------------------------------
       
    53 // CSatBIPConnectionObserver::~CSatBIPConnectionObserver
       
    54 // Destructor
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CSatBIPConnectionObserver::~CSatBIPConnectionObserver()
       
    58     {
       
    59     LOG( SIMPLE,
       
    60         "SATENGINE: CSatBIPConnectionObserver::~CSatBIPConnectionObserver \
       
    61         calling" )
       
    62     Cancel();
       
    63     LOG( SIMPLE,
       
    64         "SATENGINE: CSatBIPConnectionObserver::~CSatBIPConnectionObserver \
       
    65         exiting" )
       
    66     }
       
    67 
       
    68 // -----------------------------------------------------------------------------
       
    69 // CSatBIPConnectionObserver::RunL
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 void CSatBIPConnectionObserver::RunL()
       
    73     {
       
    74     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::RunL calling" )
       
    75 
       
    76     const TInt errStatus( iStatus.Int() );
       
    77     LOG2( SIMPLE, " RunL (%i)", errStatus )
       
    78     LOG2( SIMPLE, " ConnStatus (%i)", iConnectionStatus )
       
    79     if ( KErrNone == errStatus )
       
    80         {
       
    81         //if previous status is active packet data connection and
       
    82         //current status is inactive packet data connection, drop links.
       
    83         if( RPacketService::EStatusActive == iPrevConnectionStatus && 
       
    84             ( RPacketService::EStatusAttached == iConnectionStatus || 
       
    85             RPacketService::EStatusUnattached == iConnectionStatus ))
       
    86             {
       
    87             LOG( NORMAL, "CSatBIPConnectionObserver::RunL stop UDP link" )
       
    88             iBipUtils.StopUdpLink();
       
    89             }
       
    90         
       
    91         // Restart request
       
    92         iPrevConnectionStatus = iConnectionStatus;
       
    93         iBipUtils.PacketService().NotifyStatusChange( iStatus, iConnectionStatus );
       
    94         SetActive();
       
    95         }
       
    96 
       
    97     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::RunL exiting" )
       
    98     }
       
    99 
       
   100 // -----------------------------------------------------------------------------
       
   101 // CSatBIPConnectionObserver::DoCancel
       
   102 // -----------------------------------------------------------------------------
       
   103 //
       
   104 void CSatBIPConnectionObserver::DoCancel()
       
   105     {
       
   106     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::DoCancel calling" )
       
   107 
       
   108     iBipUtils.PacketService().CancelAsyncRequest( EPacketNotifyStatusChange );
       
   109 
       
   110     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::DoCancel exiting" )
       
   111     }
       
   112 
       
   113 // -----------------------------------------------------------------------------
       
   114 // CSatBIPConnectionObserver::StartObserver
       
   115 // Starts to observe connection status
       
   116 // -----------------------------------------------------------------------------
       
   117 //
       
   118 void CSatBIPConnectionObserver::StartObserver()
       
   119     {
       
   120     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::StartObserver calling" )
       
   121 
       
   122     if ( !IsActive() )
       
   123         {
       
   124         LOG( SIMPLE, "  Activating observer" )
       
   125         iBipUtils.PacketService().NotifyStatusChange( iStatus, iConnectionStatus );
       
   126         SetActive();
       
   127         }
       
   128 
       
   129     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::StartObserver exiting" )
       
   130     }
       
   131 
       
   132 // -----------------------------------------------------------------------------
       
   133 // CSatBIPConnectionObserver::Status
       
   134 // Returns current connection status
       
   135 // -----------------------------------------------------------------------------
       
   136 //
       
   137 RPacketService::TStatus CSatBIPConnectionObserver::Status() const
       
   138     {
       
   139     LOG( NORMAL, "SATENGINE: CSatBIPConnectionObserver::Status \
       
   140     calling-exiting" )
       
   141     LOG2( NORMAL, " ConnectionStatus: %i", iConnectionStatus )
       
   142     return iConnectionStatus;
       
   143     }
       
   144 
       
   145 // End of file