1 /*

     2 * Copyright (c) 2006-2006 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:  RCCHServer implementation

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <cchclientserver.h>

    21 

    22 #include "cchserver.h"

    23 #include "cchlogger.h" 

    24 #include "cchclientserverinternal.h"

    25 

    26 // EXTERNAL DATA STRUCTURES

    27 // None

    28 

    29 // EXTERNAL FUNCTION PROTOTYPES

    30 // None

    31 

    32 // CONSTANTS

    33 // None

    34 

    35 // MACROS

    36 // None

    37 

    38 // LOCAL CONSTANTS AND MACROS

    39 const TUint8 KCCHServerStartAttempts = 2;

    40 

    41 // MODULE DATA STRUCTURES

    42 // None

    43 

    44 // LOCAL FUNCTION PROTOTYPES

    45 // None

    46 

    47 // FORWARD DECLARATIONS

    48 // None

    49 

    50 // ============================= LOCAL FUNCTIONS =============================

    51 

    52 // ============================ MEMBER FUNCTIONS =============================

    53 

    54 // ---------------------------------------------------------------------------

    55 // RCCHServer::RCCHServer

    56 // C++ default constructor can NOT contain any code, that might leave.

    57 // ---------------------------------------------------------------------------

    58 //

    59 EXPORT_C RCCHServer::RCCHServer() : RSessionBase()

    60     {

    61     CCHLOGSTRING( "RCCHServer::RCCHClient" );    

    62     }

    63 

    64 // ---------------------------------------------------------------------------

    65 // RCCHServer::Connect

    66 // (other items were commented in a header).

    67 // ---------------------------------------------------------------------------

    68 //

    69 EXPORT_C TInt RCCHServer::Connect()

    70     {

    71     CCHLOGSTRING( "RCCHServer::Connect" );

    72     TInt error( KErrNone );

    73     TUint8 retry = KCCHServerStartAttempts;

    74     

    75     for ( ;; )

    76         {

    77         error = CreateSession( KCCHServerName, 

    78                                Version(), 

    79                                KCCHMessageSlots );

    80 

    81         CCHLOGSTRING2

    82             ("RCCHServer CreateSession result: %d", error );

    83         

    84         if ( KErrNotFound != error && KErrServerTerminated != error )

    85             {

    86             break;

    87             }

    88         

    89         // Need to restart server

    90         if ( 0 == --retry )

    91             {

    92             break;

    93             }                    

    94         error = StartServer();

    95         CCHLOGSTRING2

    96             ( "RCCHServer::Connect, StartServer() returned %d", error );

    97         

    98         if ( KErrNone != error && KErrAlreadyExists != error )

    99             {

   100             break;

   101             }

   102         }

   103 

   104     return error;    

   105     }

   106 

   107 // ---------------------------------------------------------------------------

   108 // RCCHServer::Disconnect

   109 // (other items were commented in a header).

   110 // ---------------------------------------------------------------------------

   111 //

   112 EXPORT_C void RCCHServer::Disconnect()

   113     {

   114     CCHLOGSTRING( "RCCHServer::Disconnect" );

   115     RHandleBase::Close();

   116     }

   117 

   118 // ---------------------------------------------------------------------------

   119 // RCCHServer::Version

   120 // (other items were commented in a header).

   121 // ---------------------------------------------------------------------------

   122 //

   123 TVersion RCCHServer::Version() const

   124     {

   125     return ( TVersion( KCCHServMajorVersionNumber,

   126                        KCCHServMinorVersionNumber,

   127                        KCCHServBuildVersionNumber ) );

   128     }

   129 

   130 // ---------------------------------------------------------------------------

   131 // RCCHServer::StartServer

   132 // (other items were commented in a header).

   133 // ---------------------------------------------------------------------------

   134 //

   135 EXPORT_C TInt RCCHServer::StartServer() const

   136     {

   137     CCHLOGSTRING( "RCCHServer::StartServer" );

   138     TInt error( KErrNone );

   139     RProcess server;

   140     const TUidType serverUid( KNullUid, KNullUid, KCCHServerUid );

   141     error = server.Create( KCCHServerExe, KNullDesC, serverUid );

   142     

   143     if ( KErrNone == error )

   144         {

   145         TRequestStatus status;

   146         server.Rendezvous( status );

   147         

   148         if ( status != KRequestPending )

   149             {

   150             server.Kill( 0 );   // abort startup

   151             }

   152         else

   153             {

   154             server.Resume();    // logon OK - start the server

   155             }

   156             

   157         CCHLOGSTRING( "RCCHServer::StartServer(): Started" );

   158         

   159         User::WaitForRequest( status );     // wait for start or death

   160         

   161         // we can't use the 'exit reason' if the server panicked as this

   162         // is the panic 'reason' and may be '0' which cannot be distinguished

   163         // from KErrNone

   164         

   165         error = 

   166             ( server.ExitType() == EExitPanic ) ? KErrGeneral : status.Int();

   167         server.Close();

   168         }

   169     return error;

   170     }

   171     

   172 // ========================== OTHER EXPORTED FUNCTIONS =======================

   173 

   174 //  End of File