dosservices/dosserver/src/saegprsavailabilityobs.cpp
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     1 /*
       
     2 * Copyright (c) 2003 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 
       
    19 // INCLUDE FILES
       
    20 #include "saegprsavailabilityobs.h"
       
    21 #include "saeetelobserver.h"
       
    22 #include "PSVariables.h"
       
    23 #include "saepubsubnotifier.h"
       
    24 #include "sae_debug.h"
       
    25 
       
    26 #include <e32svr.h>
       
    27 
       
    28 
       
    29 // ================= MEMBER FUNCTIONS =======================
       
    30 
       
    31 // C++ default constructor can NOT contain any code, that
       
    32 // might leave.
       
    33 //
       
    34 CSaeGprsAvailabilityObs::CSaeGprsAvailabilityObs( CSaeEtelObserver* aEtelObserver, RPacketService* aService ) 
       
    35 	: CActive( EPriorityStandard ), iEtelObserver( aEtelObserver ), iService( aService ), 
       
    36 	iRegistrationStatus( RPacketService::EUnknown )
       
    37     {
       
    38 	CActiveScheduler::Add( this );
       
    39 	InitializeRegStatus();
       
    40     }
       
    41 
       
    42 // Destructor
       
    43 CSaeGprsAvailabilityObs::~CSaeGprsAvailabilityObs()
       
    44     {
       
    45 	Cancel();
       
    46     }
       
    47 
       
    48 // ---------------------------------------------------------
       
    49 // CSaeGprsStatusObs::DoCancel()
       
    50 // 
       
    51 // ---------------------------------------------------------
       
    52 //
       
    53 void CSaeGprsAvailabilityObs::DoCancel()
       
    54 	{
       
    55 	iService->NotifyChangeOfNtwkRegStatus(iStatus, iRegistrationStatus);
       
    56 	}
       
    57 
       
    58 // ---------------------------------------------------------
       
    59 // CSaeGprsStatusObs::RunL()
       
    60 // 
       
    61 // ---------------------------------------------------------
       
    62 //
       
    63 void CSaeGprsAvailabilityObs::RunL()
       
    64 	{
       
    65 	TInt status = iStatus.Int();
       
    66 	COM_TRACE_1( "SAE (avail): CSaeGprsAvailabilityObs::RunL() TRequestStatus(%d) ", status);
       
    67 	
       
    68 	switch ( status )
       
    69 		{
       
    70 		// Update System Agent and issue new request.
       
    71 		case KErrNone:
       
    72 			CheckRegistrationStatusAndInformPubSub();
       
    73 			IssueRequest();
       
    74 			break;
       
    75 		// If the request times out try to get current status.
       
    76 		case KErrTimedOut:
       
    77 			COM_TRACE_( "SAE (avail): ERROR CSaeGprsAvailabilityObs: Request timed out!" );
       
    78 			CheckRegistrationStatusAndInformPubSub();
       
    79 			IssueRequest();
       
    80 			break;
       
    81 		// Check that registration status information can be provided.
       
    82 		case KErrNotSupported:
       
    83 			COM_TRACE_( "SAE (avail): ERROR CSaeGprsAvailabilityObs: Registration status not supported!" );
       
    84 			break;
       
    85 		default:
       
    86 			COM_TRACE_( "SAE (avail): ERROR CSaeGprsAvailabilityObs: Unhandled TRequestStatus case!" );
       
    87 			break;
       
    88 		}
       
    89 	}
       
    90 
       
    91 // ---------------------------------------------------------
       
    92 // CSaeGprsStatusObs::IssueRequest()
       
    93 // 
       
    94 // ---------------------------------------------------------
       
    95 //
       
    96 void CSaeGprsAvailabilityObs::IssueRequest()
       
    97 	{
       
    98 	COM_TRACE_( "SAE (avail): CSaeGprsAvailabilityObs::IssueRequest() start" );
       
    99 	if( !IsActive() )
       
   100 		{
       
   101 		iService->NotifyChangeOfNtwkRegStatus(iStatus, iRegistrationStatus);
       
   102 		SetActive();
       
   103 		}
       
   104 	COM_TRACE_( "SAE (avail): CSaeGprsAvailabilityObs::IssueRequest() end" );
       
   105 	}
       
   106 
       
   107 // ---------------------------------------------------------
       
   108 // CSaeGprsStatusObs::InitializeRegStatus()
       
   109 // 
       
   110 // ---------------------------------------------------------
       
   111 //
       
   112 void CSaeGprsAvailabilityObs::InitializeRegStatus()
       
   113 {
       
   114 	COM_TRACE_( "SAE (avail): CSaeGprsAvailabilityObs::InitializeRegStatus() start" );
       
   115 	if( !IsActive() )
       
   116         {
       
   117         COM_TRACE_( "SAE (avail): CSaeGprsAvailabilityObs::InitializeRegStatus() query network status" );
       
   118         iService->GetNtwkRegStatus(iStatus, iRegistrationStatus);
       
   119         SetActive();
       
   120         }
       
   121     COM_TRACE_( "SAE (avail): CSaeGprsAvailabilityObs::InitializeRegStatus() end" );
       
   122 }
       
   123 
       
   124 // ---------------------------------------------------------
       
   125 // CSaeGprsStatusObs::CheckReqistrationStatusAndInformPubSub()
       
   126 // 
       
   127 // ---------------------------------------------------------
       
   128 //
       
   129 void CSaeGprsAvailabilityObs::CheckRegistrationStatusAndInformPubSub()
       
   130 	{
       
   131 	COM_TRACE_1( "SAE (avail): registration status: %d ", iRegistrationStatus);
       
   132 	switch (iRegistrationStatus )
       
   133 		{
       
   134 		case RPacketService::ERegisteredOnHomeNetwork:
       
   135 		case RPacketService::ERegisteredRoaming:
       
   136 			COM_TRACE_( "SAE (avail): KPSUidGprsAvailability, EPSGprsAvailable  " );
       
   137 			iEtelObserver->NotifyPubSub( KPSUidGprsAvailability, EPSGprsAvailable );
       
   138 			break;
       
   139 		case RPacketService::ENotRegisteredAndNotAvailable:
       
   140 			COM_TRACE_( "SAE (avail): KPSUidGprsAvailability, EPSGprsNotAvailable  " );
       
   141 			iEtelObserver->NotifyPubSub( KPSUidGprsAvailability, EPSGprsNotAvailable );
       
   142 			break;
       
   143 		default:
       
   144 			COM_TRACE_( "SAE (avail): KPSUidGprsAvailability, EPSGprsAvailabilityUnknown  " );
       
   145 			iEtelObserver->NotifyPubSub( KPSUidGprsAvailability, EPSGprsAvailabilityUnknown );
       
   146 			break;
       
   147 		}
       
   148 	}
       
   149 //  End of File