presencecache/presencecacheserver2/src/presencecacheserver.cpp
changeset 0 e686773b3f54
equal deleted inserted replaced
-1:000000000000 0:e686773b3f54
       
     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:  Implementation for Presence Cache Server
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <e32svr.h>
       
    21 #include <e32base.h>
       
    22 #include <e32std.h>
       
    23 #include <ecom.h>
       
    24 
       
    25 #include "presencecacheservicestore.h"
       
    26 #include "presencecacheserver.h"
       
    27 #include "presencecachesession.h"
       
    28 #include "presencecachedefs2.h"
       
    29 #include "presencetrace.h"
       
    30 #include "presencecachesecuritypolicy.h"
       
    31 
       
    32 //Include Cache server namespace
       
    33 using namespace NCacheSrv2;
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CPresenceCacheServer::NewLC()
       
    38 // -----------------------------------------------------------------------------
       
    39 //
       
    40 CPresenceCacheServer* CPresenceCacheServer::NewLC()
       
    41     {
       
    42     CPresenceCacheServer* self = new( ELeave ) CPresenceCacheServer(EPriorityNormal);
       
    43     CleanupStack::PushL( self );
       
    44     self->ConstructL();
       
    45     return self;
       
    46     }
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CPresenceCacheServer::~CPresenceCacheServer()
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 CPresenceCacheServer::~CPresenceCacheServer()
       
    53     {
       
    54     delete iExpiryCheck;
       
    55     DoCancel();
       
    56     TInt count = iPresenceCache.Count();
       
    57     for (TInt i=0;i<count;i++)
       
    58         {
       
    59         delete iPresenceCache[i];
       
    60         }
       
    61     iPresenceCache.Close();
       
    62     REComSession::FinalClose();
       
    63     TRACE( _L("CPresenceCacheServer::~CPresenceCacheServer - end") );
       
    64     }
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CPresenceCacheServer::IncrementSessions()
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 void CPresenceCacheServer::IncrementSessions()
       
    71     {
       
    72     TRACE( _L("CPresenceCacheServer::IncrementSessions - start") );
       
    73     iSessionCount++;        
       
    74     iShutdown.Cancel();      
       
    75     }
       
    76 
       
    77 // -----------------------------------------------------------------------------
       
    78 // CPresenceCacheServer::DecrementSessions()
       
    79 // -----------------------------------------------------------------------------
       
    80 //
       
    81 void CPresenceCacheServer::DecrementSessions()
       
    82     {
       
    83     TRACE( _L("CPresenceCacheServer::DecrementSessions - start") );
       
    84     iSessionCount--;
       
    85     if( iSessionCount == 0 )
       
    86         {
       
    87         iShutdown.Start();
       
    88         }
       
    89     }
       
    90     
       
    91 // -----------------------------------------------------------------------------
       
    92 // CPresenceCacheServer::SessionExists()
       
    93 // -----------------------------------------------------------------------------
       
    94 //
       
    95 TBool CPresenceCacheServer::SessionExists(CPresenceCacheSession* aSession)
       
    96     {
       
    97     iSessionIter.SetToFirst();
       
    98 
       
    99     // Check TID match
       
   100     while ( iSessionIter )
       
   101         {
       
   102         CSession2* session = iSessionIter;
       
   103         iSessionIter++;
       
   104         if (((CPresenceCacheSession*)session)==aSession)
       
   105             return ETrue;
       
   106         }
       
   107     return EFalse;
       
   108     }
       
   109 
       
   110 // -----------------------------------------------------------------------------
       
   111 // CPresenceCacheServer::RunError()
       
   112 // -----------------------------------------------------------------------------
       
   113 //
       
   114 TInt CPresenceCacheServer::RunError( TInt aError )
       
   115     {
       
   116     TRACE_1( _L("CPresenceCacheServer::RunError [%d] - enter"), aError );
       
   117     Message().Complete( aError );
       
   118 
       
   119     // The leave will result in an early return from CServer::RunL(), skipping
       
   120     // the call to request another message. So do that now in order to keep the
       
   121     // server running.
       
   122     ReStart();
       
   123 
       
   124     return KErrNone;    // Handled the error fully    
       
   125     }
       
   126 
       
   127 // -----------------------------------------------------------------------------
       
   128 // CPresenceCacheServer::CPresenceCacheServer()
       
   129 // -----------------------------------------------------------------------------
       
   130 //
       
   131 CPresenceCacheServer::CPresenceCacheServer( TInt aPriority )
       
   132 : CPolicyServer( aPriority, KCacheServerPolicy )
       
   133     //                                 : CServer2( aPriority )
       
   134     {
       
   135     }
       
   136 
       
   137 // -----------------------------------------------------------------------------
       
   138 // CPresenceCacheServer::ConstructL()
       
   139 // -----------------------------------------------------------------------------
       
   140 //
       
   141 void CPresenceCacheServer::ConstructL()
       
   142     {
       
   143     iShutdown.ConstructL();
       
   144 	// ensure that the server still exits even if the 1st client fails to connect
       
   145 	iShutdown.Start();
       
   146 	
       
   147 	iExpiryCheck = CPresenceCacheExpiry::NewL(*this);
       
   148     }
       
   149 
       
   150 // -----------------------------------------------------------------------------
       
   151 // CPresenceCacheServer::NewSessionL()
       
   152 // -----------------------------------------------------------------------------
       
   153 //
       
   154 CSession2* CPresenceCacheServer::NewSessionL( const TVersion& aVersion, 
       
   155                         const RMessage2& /*aMessage */) const
       
   156     {
       
   157     TRACE( _L("CPresenceCacheServer::NewSessionL - enter"));
       
   158     TVersion srvVersion( NVersion::KMajor,
       
   159                          NVersion::KMinor,
       
   160                          NVersion::KBuild );
       
   161 
       
   162     if( !User::QueryVersionSupported( aVersion, srvVersion ) )
       
   163         {
       
   164         User::Leave( KErrNotSupported );
       
   165         }
       
   166 
       
   167     CPresenceCacheServer* self = const_cast< CPresenceCacheServer* >( this );
       
   168     CSession2* session = NULL;
       
   169    
       
   170     session = CPresenceCacheSession::NewL( *self );
       
   171     TRACE( _L("CPresenceCacheServer::NewSessionL - end"));
       
   172     return session;
       
   173     }
       
   174     
       
   175 // -----------------------------------------------------------------------------
       
   176 // CPresenceCacheServer::ExecuteL()
       
   177 // -----------------------------------------------------------------------------
       
   178 //
       
   179 void CPresenceCacheServer::ExecuteL()
       
   180     {
       
   181     TRACE( _L("CPresenceCacheServer::ExecuteL - enter"));
       
   182     // start scheduler
       
   183     CActiveScheduler* pA = new( ELeave )CActiveScheduler;
       
   184     CleanupStack::PushL( pA );
       
   185     CActiveScheduler::Install( pA );
       
   186 
       
   187     // create server
       
   188     CPresenceCacheServer* server = CPresenceCacheServer::NewLC();
       
   189     server->StartL( NName::KSymbianServer );
       
   190 
       
   191     //Signal client that we are started
       
   192     RProcess().Rendezvous( KErrNone );
       
   193 
       
   194     //Execute the server
       
   195     CActiveScheduler::Start(); // CSI: 3 #
       
   196 
       
   197     //Cleanup
       
   198     CleanupStack::PopAndDestroy( server );//server
       
   199     CleanupStack::PopAndDestroy( pA );
       
   200     CActiveScheduler::Install( NULL );
       
   201     TRACE( _L("CPresenceCacheServer::ExecuteL - end"));
       
   202     }
       
   203     
       
   204 // -----------------------------------------------------------------------------
       
   205 // E32Main()
       
   206 // Provides the API for the operating system to start the executable.
       
   207 // Returns the address of the function to be called.
       
   208 // -----------------------------------------------------------------------------
       
   209 //
       
   210 GLDEF_C TInt E32Main()
       
   211     {
       
   212     TRACE( _L("Cache E32Main - enter") );
       
   213 
       
   214     __UHEAP_MARK;
       
   215 
       
   216     User::RenameThread( NName::KMainThread );
       
   217 
       
   218     CTrapCleanup* tc = CTrapCleanup::New();
       
   219     if( !tc )
       
   220         {
       
   221         return KErrNoMemory;
       
   222         }
       
   223 
       
   224     TRAPD( err, CPresenceCacheServer::ExecuteL() );
       
   225     delete tc;
       
   226 
       
   227     __UHEAP_MARKEND;
       
   228 
       
   229     TRACE_1( _L("Cache E32Main - exit: %d"), err );
       
   230     return err;
       
   231     }
       
   232 
       
   233 // -----------------------------------------------------------------------------
       
   234 // CShutdown::RunL()
       
   235 // -----------------------------------------------------------------------------
       
   236 //
       
   237 void CShutdown::RunL()
       
   238     {
       
   239     CActiveScheduler::Stop();
       
   240 	}    
       
   241     
       
   242 inline CShutdown::CShutdown()
       
   243 	:CTimer(-1)
       
   244 	{CActiveScheduler::Add(this);}
       
   245 inline void CShutdown::ConstructL()
       
   246 	{CTimer::ConstructL();}
       
   247 inline void CShutdown::Start()
       
   248 	{After(KMyShutdownDelay);}    
       
   249 
       
   250 // End of File
       
   251