contentcontrolsrv/ccsrv/src/ccsrv.cpp
branchRCL_3
changeset 114 a5a39a295112
child 118 8baec10861af
equal deleted inserted replaced
113:0efa10d348c0 114:a5a39a295112
       
     1 /*
       
     2  * Copyright (c) 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:  
       
    15  *
       
    16  */
       
    17 
       
    18 // System include files
       
    19 
       
    20 // User include files
       
    21 #include "ccsrv.h"
       
    22 #include "ccsrvsession.h"
       
    23 #include "ccresource.h"
       
    24 #include "ccsrvapi.h"
       
    25 
       
    26 
       
    27 // Local constants
       
    28 
       
    29 // Home screen content control server name
       
    30 _LIT( KCcSrvName,"ccserver" );
       
    31 
       
    32 // Home screen content control server policy
       
    33 //Total number of ranges
       
    34 const TUint KCcRangeCount = 2;
       
    35 
       
    36 //Definition of the ranges of IPC numbers
       
    37 const TInt KCcRanges[KCcRangeCount] = 
       
    38         {
       
    39         ECcIPCFunctionBase,
       
    40         ECcNotSupported 
       
    41         }; 
       
    42 
       
    43 // Policy actions for each of the above ranges
       
    44 const TUint8 KCcPolicyAction[KCcRangeCount] = 
       
    45         {
       
    46         0,
       
    47         CPolicyServer::ENotSupported
       
    48         };
       
    49 
       
    50 // Requested capabilities
       
    51 const CPolicyServer::TPolicyElement KCcCapability[] = 
       
    52         {
       
    53         {_INIT_SECURITY_POLICY_C2( ECapabilityReadDeviceData, ECapabilityWriteDeviceData ), CPolicyServer::EFailClient}
       
    54         };
       
    55 
       
    56 const CPolicyServer::TPolicy KCcPolicy =
       
    57         {
       
    58         0,
       
    59         KCcRangeCount,                                 
       
    60         KCcRanges,
       
    61         KCcPolicyAction,
       
    62         KCcCapability
       
    63         };
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // RunServerL()
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 static void RunServerL()
       
    70     {
       
    71     User::LeaveIfError(User::RenameThread(KCcSrvName));
       
    72     CActiveScheduler* s=new(ELeave) CActiveScheduler;
       
    73     CleanupStack::PushL(s);
       
    74     CActiveScheduler::Install(s);
       
    75     CCcSrv::NewLC();
       
    76     RProcess::Rendezvous(KErrNone);
       
    77     CActiveScheduler::Start();
       
    78     CleanupStack::PopAndDestroy( 2, s );
       
    79     }
       
    80 
       
    81 // -----------------------------------------------------------------------------
       
    82 // E32Main
       
    83 // Server process entry-point
       
    84 // -----------------------------------------------------------------------------
       
    85 //
       
    86 TInt E32Main()
       
    87     {
       
    88     __UHEAP_MARK;
       
    89     CTrapCleanup* cleanup=CTrapCleanup::New();
       
    90     TInt r=KErrNoMemory;
       
    91     if (cleanup)
       
    92         {
       
    93         TRAP(r,RunServerL());
       
    94         delete cleanup;
       
    95         }
       
    96     __UHEAP_MARKEND;
       
    97     return r;
       
    98     }
       
    99 
       
   100 // ======== MEMBER FUNCTIONS ========
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CCcSrv::NewLC
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 CServer2* CCcSrv::NewLC()
       
   107     {
       
   108     CCcSrv* self=new ( ELeave ) CCcSrv;
       
   109     CleanupStack::PushL( self );
       
   110     self->ConstructL();
       
   111     return self;
       
   112     }
       
   113 
       
   114 // -----------------------------------------------------------------------
       
   115 // CCcSrv::ConstructL()
       
   116 // -----------------------------------------------------------------------
       
   117 //
       
   118 void CCcSrv::ConstructL()
       
   119     {
       
   120     StartL( KCcSrvName );
       
   121     }
       
   122 
       
   123 // -----------------------------------------------------------------------
       
   124 // CCcSrv::CCcSrv()
       
   125 // -----------------------------------------------------------------------
       
   126 //
       
   127 CCcSrv::CCcSrv()
       
   128     :CPolicyServer( 0,KCcPolicy,ESharableSessions )
       
   129     ,iLastSessionId( 0 )
       
   130     {
       
   131     }
       
   132 
       
   133 // -----------------------------------------------------------------------
       
   134 // CCcSrv::~CCcSrv()
       
   135 // -----------------------------------------------------------------------
       
   136 //
       
   137 CCcSrv::~CCcSrv()
       
   138     {
       
   139     iSessions.Close();
       
   140     iProviders.Close();
       
   141     iObservers.Close();
       
   142     }
       
   143 
       
   144 // -----------------------------------------------------------------------------
       
   145 // CCcSrv::NewSessionL
       
   146 // -----------------------------------------------------------------------------
       
   147 //
       
   148 CSession2* CCcSrv::NewSessionL(
       
   149     const TVersion&,
       
   150     const RMessage2& /* aMessage */ ) const
       
   151     {
       
   152     return new ( ELeave ) CCcSrvSession();
       
   153     }
       
   154 
       
   155 // -----------------------------------------------------------------------------
       
   156 // CCcSrv::AddSessionL
       
   157 // -----------------------------------------------------------------------------
       
   158 //
       
   159 void CCcSrv::AddSessionL( CCcSrvSession* aSession )
       
   160     {
       
   161     // Find next available session id
       
   162     while( ETrue )
       
   163         {
       
   164         iLastSessionId = iLastSessionId + 1;
       
   165         TBool found( EFalse );
       
   166         for ( TUint32 i = 0; i < iSessions.Count() && !found; i++ )
       
   167             {
       
   168             if ( iSessions[ i ]->Id() == iLastSessionId )
       
   169                 {
       
   170                 found = ETrue;
       
   171                 }
       
   172             }
       
   173         if ( !found )
       
   174             {
       
   175             break;
       
   176             }
       
   177         }
       
   178     
       
   179     aSession->SetId( iLastSessionId );
       
   180     iSessions.AppendL( aSession );
       
   181     }
       
   182 
       
   183 // -----------------------------------------------------------------------------
       
   184 // CCcSrv::DropSession
       
   185 // -----------------------------------------------------------------------------
       
   186 //
       
   187 void CCcSrv::DropSession( CCcSrvSession* aSession )
       
   188     {
       
   189     // Remove possible provider
       
   190     for ( TUint32 i = 0; i < iProviders.Count(); i++ )
       
   191         {
       
   192         if ( iProviders[ i ].iSession->Id() == aSession->Id() )
       
   193             {
       
   194             iProviders.Remove( i );
       
   195             break;
       
   196             }
       
   197         }
       
   198     // Unregister possible observations and remove observer
       
   199     for ( TUint32 i = 0; i < iObservers.Count(); )
       
   200         {
       
   201         if ( iObservers[ i ].iObserver == aSession->Id() )
       
   202             {
       
   203             for ( TUint32 j = 0; j < iProviders.Count(); j++ )
       
   204                 {
       
   205                 if ( iObservers[ i ].iProviderId == iProviders[ j ].iId )
       
   206                     {
       
   207                     TRAP_IGNORE( iProviders[ j ].iSession->
       
   208                         UnregisterObserverSessionL( aSession->Id() ) );
       
   209                     }
       
   210                 }
       
   211             iObservers.Remove( i );
       
   212             }
       
   213         else
       
   214             {
       
   215             // Get next observer
       
   216             i++;
       
   217             }
       
   218         }
       
   219     // Remove session
       
   220     for ( TUint32 i = 0; i < iSessions.Count(); i++ )
       
   221         {
       
   222         if ( iSessions[ i ]->Id() == aSession->Id() )
       
   223             {
       
   224             iSessions.Remove( i );
       
   225             break;
       
   226             }
       
   227         }
       
   228     
       
   229     if ( iSessions.Count() == 0 )
       
   230         {
       
   231         // Last session dropped -> stop server
       
   232         CActiveScheduler::Stop();
       
   233         }
       
   234     }
       
   235 
       
   236 // -----------------------------------------------------------------------------
       
   237 // CCcSrv::RegisterProviderSessionL
       
   238 // -----------------------------------------------------------------------------
       
   239 //
       
   240 void CCcSrv::RegisterProviderL( 
       
   241     TUint32 aProvider,
       
   242     CCcSrvSession* aSession )
       
   243     {
       
   244     for ( TUint32 i = 0; i < iProviders.Count(); i++ )
       
   245         {
       
   246         if ( iProviders[ i ].iId == aProvider )
       
   247             {
       
   248             User::Leave( KErrAlreadyExists );
       
   249             }
       
   250         }
       
   251     CCcSrv::TCcProvider provider;
       
   252     provider.iId = aProvider;
       
   253     provider.iSession = aSession;
       
   254     iProviders.Append( provider );
       
   255     
       
   256     // Register possible active observers
       
   257     for ( TUint32 i = 0; i < iObservers.Count(); i++ )
       
   258         {
       
   259         if ( iObservers[ i ].iProviderId == aProvider )
       
   260             {
       
   261             provider.iSession->RegisterObserverSessionL( iObservers[ i ].iObserver );
       
   262             }
       
   263         }
       
   264     
       
   265     }
       
   266 
       
   267 // -----------------------------------------------------------------------------
       
   268 // CCcSrv::RegisterObserverL
       
   269 // -----------------------------------------------------------------------------
       
   270 //
       
   271 void CCcSrv::RegisterObserverL( 
       
   272     TUint32 aProvider,
       
   273     CCcSrvSession* aSession )
       
   274     {
       
   275     for ( TUint32 i = 0; i < iProviders.Count(); i++ )
       
   276         {
       
   277         if ( iProviders[ i ].iId == aProvider )
       
   278             {
       
   279             iProviders[ i ].iSession->RegisterObserverSessionL( aSession->Id() );
       
   280             break;
       
   281             }
       
   282         }
       
   283     CCcSrv::TCcObserver observer;
       
   284     observer.iProviderId = aProvider;
       
   285     observer.iObserver = aSession->Id();
       
   286     iObservers.Append( observer );
       
   287     }
       
   288 
       
   289 // -----------------------------------------------------------------------------
       
   290 // CCcSrv::ResolveProviderAddressL
       
   291 // -----------------------------------------------------------------------------
       
   292 //
       
   293 void CCcSrv::ResolveProviderAddressL( 
       
   294     TUint32 aProvider,
       
   295     TUint32& aAddress )
       
   296     {
       
   297     TBool found( EFalse );
       
   298     for ( TUint32 i = 0; i < iProviders.Count() && !found; i++ )
       
   299         {
       
   300         if ( iProviders[ i ].iId == aProvider )
       
   301             {
       
   302             aAddress = iProviders[ i ].iSession->Id();
       
   303             found = ETrue;
       
   304             }
       
   305         }
       
   306     if ( !found )
       
   307         {
       
   308         User::Leave( KErrNotFound );
       
   309         }
       
   310     }
       
   311 
       
   312 // -----------------------------------------------------------------------------
       
   313 // CCcSrv::GetTrId
       
   314 // -----------------------------------------------------------------------------
       
   315 //
       
   316 TUint32 CCcSrv::GetTrId()
       
   317     {
       
   318     iLastTrId++;
       
   319     return iLastTrId;
       
   320     }
       
   321 
       
   322 // -----------------------------------------------------------------------------
       
   323 // CCcSrv::SendMsgL
       
   324 // -----------------------------------------------------------------------------
       
   325 //
       
   326 void CCcSrv::SendMsgL( 
       
   327     CCcSrvMsg& aMessage )
       
   328     {
       
   329     TBool found( EFalse );
       
   330     for ( TUint32 i = 0; i < iSessions.Count() && !found; i++ )
       
   331         {
       
   332         if ( iSessions[ i ]->Id() == aMessage.Receiver() )
       
   333             {
       
   334             iSessions[ i ]->ReceiveMsgL( aMessage );
       
   335             found = ETrue;
       
   336             }
       
   337         }
       
   338     if ( !found )
       
   339         {
       
   340         User::Leave( KErrNotFound );
       
   341         }
       
   342     }
       
   343 
       
   344 // End of file