ncdengine/provider/protocol/src/ncdsessionhandler.cpp
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     1 /*
       
     2 * Copyright (c) 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:   CNcdSessionHandler implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "ncdsessionhandler.h"
       
    20 #include "ncdkeyvaluepair.h"
       
    21 #include "catalogsdebug.h"
       
    22 #include "ncdutils.h"
       
    23 
       
    24 // ---------------------------------------------------------------------------
       
    25 // NewL
       
    26 // ---------------------------------------------------------------------------
       
    27 //
       
    28 CNcdSessionHandler* CNcdSessionHandler::NewL()
       
    29     {
       
    30     CNcdSessionHandler* self = new( ELeave ) CNcdSessionHandler;
       
    31     return self;
       
    32     }
       
    33 
       
    34 
       
    35 // ---------------------------------------------------------------------------
       
    36 // Destructor
       
    37 // ---------------------------------------------------------------------------
       
    38 //
       
    39 CNcdSessionHandler::~CNcdSessionHandler()
       
    40     {
       
    41     // Delete sessions
       
    42     iSessions.ResetAndDestroy();
       
    43     }
       
    44 
       
    45 
       
    46 // ---------------------------------------------------------------------------
       
    47 // CreateSessionL
       
    48 // ---------------------------------------------------------------------------
       
    49 //
       
    50 void CNcdSessionHandler::CreateSessionL( const TDesC& aServerUri,
       
    51     const TDesC& aNameSpace, 
       
    52     const TDesC& aSessionId )
       
    53     {
       
    54     TInt index = FindSession( aServerUri, aNameSpace );
       
    55     if ( index != KErrNotFound ) 
       
    56         {
       
    57         User::Leave( KErrAlreadyExists );
       
    58         }
       
    59     
       
    60     // Create session info and add it to sessions
       
    61     CNcdServerSession* serverSession = CNcdSessionHandler::CNcdServerSession::NewLC( aServerUri,
       
    62         aNameSpace,
       
    63         aSessionId );
       
    64     iSessions.AppendL( serverSession );
       
    65     CleanupStack::Pop( serverSession );
       
    66     }
       
    67     
       
    68     
       
    69 // ---------------------------------------------------------------------------
       
    70 // RemoveSession
       
    71 // ---------------------------------------------------------------------------
       
    72 //    
       
    73 void CNcdSessionHandler::RemoveSession( const TDesC& aServerUri,
       
    74     const TDesC& aNameSpace )
       
    75     {    
       
    76     TInt index = FindSession( aServerUri, aNameSpace );
       
    77     DLTRACE( ( "Index: %i", index ) );
       
    78     
       
    79     if ( index != KErrNotFound )
       
    80         {
       
    81         delete iSessions[index];
       
    82         iSessions.Remove( index );
       
    83         }
       
    84     }
       
    85   
       
    86 // ---------------------------------------------------------------------------
       
    87 // RemoveAllSessions
       
    88 // ---------------------------------------------------------------------------
       
    89 //    
       
    90 void CNcdSessionHandler::RemoveAllSessions()
       
    91     {
       
    92     DLTRACEIN((""));
       
    93     iSessions.ResetAndDestroy();
       
    94     }
       
    95     
       
    96 // ---------------------------------------------------------------------------
       
    97 // Session
       
    98 // ---------------------------------------------------------------------------
       
    99 //    
       
   100 const TDesC& CNcdSessionHandler::Session( const TDesC& aServerUri,
       
   101     const TDesC& aNameSpace )
       
   102     {
       
   103     TInt index = FindSession( aServerUri, aNameSpace );
       
   104     if ( index != KErrNotFound ) 
       
   105         {
       
   106         return iSessions[index]->SessionId();
       
   107         }
       
   108         
       
   109     return KNullDesC;
       
   110     }
       
   111     
       
   112     
       
   113 // ---------------------------------------------------------------------------
       
   114 // DoesSessionExist
       
   115 // ---------------------------------------------------------------------------
       
   116 //
       
   117 TBool CNcdSessionHandler::DoesSessionExist( const TDesC& aServerUri,
       
   118     const TDesC& aNameSpace )
       
   119     {
       
   120     return ( FindSession( aServerUri, aNameSpace ) >= 0 );
       
   121     }
       
   122 
       
   123 
       
   124 // ---------------------------------------------------------------------------
       
   125 // FindSession
       
   126 // ---------------------------------------------------------------------------
       
   127 //
       
   128 TInt CNcdSessionHandler::FindSession( const TDesC& aServerUri,
       
   129     const TDesC& aNameSpace )
       
   130     {
       
   131     for ( TInt i = 0; i < iSessions.Count(); ++i ) 
       
   132         {
       
   133         if ( iSessions[i]->ServerUri().Compare( aServerUri ) == 0 &&
       
   134              iSessions[i]->NameSpace().Compare( aNameSpace ) == 0 ) 
       
   135             {
       
   136             return i;
       
   137             }
       
   138         }
       
   139     return KErrNotFound;
       
   140     }
       
   141 
       
   142 CNcdSessionHandler::CNcdServerSession* CNcdSessionHandler::CNcdServerSession::NewL( const TDesC& aServerUri,
       
   143     const TDesC& aNameSpace, 
       
   144     const TDesC& aSessionId )
       
   145     {
       
   146     CNcdServerSession* self = NewLC( aServerUri, aNameSpace, aSessionId );
       
   147     CleanupStack::Pop( self );
       
   148     return self;
       
   149     }
       
   150 
       
   151 CNcdSessionHandler::CNcdServerSession* CNcdSessionHandler::CNcdServerSession::NewLC( const TDesC& aServerUri,
       
   152     const TDesC& aNameSpace, 
       
   153     const TDesC& aSessionId )
       
   154     {
       
   155     CNcdServerSession* self = new (ELeave) CNcdServerSession;
       
   156     CleanupStack::PushL( self );
       
   157     self->ConstructL( aServerUri, aNameSpace, aSessionId );
       
   158     return self;
       
   159     }
       
   160     
       
   161 CNcdSessionHandler::CNcdServerSession::~CNcdServerSession()
       
   162     {
       
   163     delete iServerUri;
       
   164     delete iNameSpace;
       
   165     delete iSessionId;
       
   166     }
       
   167     
       
   168 const TDesC& CNcdSessionHandler::CNcdServerSession::ServerUri()
       
   169     {
       
   170     return *iServerUri;
       
   171     }
       
   172 
       
   173 const TDesC& CNcdSessionHandler::CNcdServerSession::NameSpace()
       
   174     {
       
   175     return *iNameSpace;
       
   176     }
       
   177 
       
   178 const TDesC& CNcdSessionHandler::CNcdServerSession::SessionId()
       
   179     {
       
   180     return *iSessionId;
       
   181     }
       
   182     
       
   183 CNcdSessionHandler::CNcdServerSession::CNcdServerSession()
       
   184     {
       
   185     }
       
   186     
       
   187 void CNcdSessionHandler::CNcdServerSession::ConstructL( const TDesC& aServerUri,
       
   188     const TDesC& aNameSpace, 
       
   189     const TDesC& aSessionId )
       
   190     {
       
   191     iServerUri = aServerUri.AllocL();
       
   192     iNameSpace = aNameSpace.AllocL();
       
   193     iSessionId = aSessionId.AllocL();
       
   194     }
       
   195