upnpharvester/mdhserver/src/server/mdhserversession.cpp
branchIOP_Improvements
changeset 40 08b5eae9f9ff
parent 39 6369bfd1b60d
child 41 b4d83ea1d6e2
equal deleted inserted replaced
39:6369bfd1b60d 40:08b5eae9f9ff
     1 /*
       
     2 * Copyright (c) 2005 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:      Session implementation class for Metadata Harvester Server
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 // INCLUDE FILES
       
    24 #include    <e32base.h>
       
    25 #include    <s32mem.h>
       
    26 #include    "mdhserversession.h"
       
    27 #include    "mdhcommon.h"
       
    28 #include    "mdhserver.h"
       
    29 #include    "mdhmediaservercontainer.h"
       
    30 
       
    31 #include    "msdebug.h"
       
    32 
       
    33 
       
    34 // ============================ MEMBER FUNCTIONS =============================
       
    35 // ---------------------------------------------------------------------------
       
    36 // Two-phase API constructor
       
    37 // ---------------------------------------------------------------------------
       
    38 //
       
    39 CCmMdhSession* CCmMdhSession::NewL( 
       
    40     CCmMdhMediaserverContainer* aMediaserverContainer, CCmMdhServer& aServer )
       
    41     {
       
    42     LOG(_L("[CmMdh Server]\t CCmMdhSession::NewL"));
       
    43     CCmMdhSession* self = 
       
    44         new (ELeave) CCmMdhSession( aMediaserverContainer, aServer );
       
    45     CleanupStack::PushL( self );
       
    46     self->ConstructL();
       
    47     CleanupStack::Pop( self );
       
    48     return self;
       
    49     }
       
    50 
       
    51 // ---------------------------------------------------------------------------
       
    52 // Constructor
       
    53 // ---------------------------------------------------------------------------
       
    54 //
       
    55 CCmMdhSession::CCmMdhSession( 
       
    56     CCmMdhMediaserverContainer* aMediaserverContainer, 
       
    57     CCmMdhServer& aServer ): iServer( aServer )
       
    58     {
       
    59         iMediaserverContainer = aMediaserverContainer;
       
    60     }
       
    61 
       
    62 // ---------------------------------------------------------------------------
       
    63 // Constructor
       
    64 // ---------------------------------------------------------------------------
       
    65 //    
       
    66 void CCmMdhSession::ConstructL()
       
    67     {
       
    68     LOG(_L("[CmMdh Server]\t CCmMdhSession::ConstructL"))
       
    69     iServer.IncrementSessions();
       
    70     }
       
    71             
       
    72 // ---------------------------------------------------------------------------
       
    73 // Destructor
       
    74 // ---------------------------------------------------------------------------
       
    75 //
       
    76 CCmMdhSession::~CCmMdhSession()
       
    77     {
       
    78     LOG(_L("[CmMdh Server]\t CCmMdhSession::~CCmMdhSession"));
       
    79     iServer.DecrementSessions();
       
    80     }
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // CCmMdhSession::Server
       
    84 // Returns a reference to server
       
    85 // ---------------------------------------------------------------------------
       
    86 //
       
    87 CCmMdhServer& CCmMdhSession::Server()
       
    88     {
       
    89     return *static_cast<CCmMdhServer*>
       
    90         (const_cast<CServer2*>(CSession2::Server()));
       
    91     }
       
    92 
       
    93 // ---------------------------------------------------------------------------
       
    94 // CCmMdhSession::CompleteIfBusy
       
    95 // Completes message with busy error code if server is busy
       
    96 // ---------------------------------------------------------------------------
       
    97 TBool CCmMdhSession::CompleteIfBusy(const RMessage2& aMessage)
       
    98     {
       
    99     if (iServer.ServerState()) // operation already in progress
       
   100         {
       
   101         aMessage.Complete(KErrInUse);
       
   102         return ETrue;
       
   103         }
       
   104     return EFalse;    
       
   105     }
       
   106 
       
   107 // ---------------------------------------------------------------------------
       
   108 // CCmMdhSession::ServiceL
       
   109 // Implements CSession2 -derived ServiceL -method.
       
   110 // (other items were commented in a header).
       
   111 // ---------------------------------------------------------------------------
       
   112 //
       
   113 void CCmMdhSession::ServiceL(const RMessage2& aMessage)
       
   114     {
       
   115     LOG(_L("[CmMdh Server]\t CCmMdhSession::ServiceL"));
       
   116     
       
   117     switch ( aMessage.Function() )
       
   118         {
       
   119         case ECmMdhSearchMediaservers:
       
   120             {
       
   121             LOG(_L("[CmMdh Server]\t ECmMdhSearchMediaServers request"));
       
   122             if ( !CompleteIfBusy(aMessage) ) 
       
   123                 {
       
   124                 iServer.SetCurrentAsyncMsg( aMessage );
       
   125                 iServer.CreateMediaserverContainerL();
       
   126                 iServer.MediaserverContainer().SearchMediaserversL();        
       
   127                 }
       
   128             break;    
       
   129             }
       
   130         case ECmMdhHarvest:
       
   131             {
       
   132             LOG(_L("[CmMdh Server]\t ECmMdhHarvest request"));
       
   133             iServer.SetCurrentAsyncMsg( aMessage );
       
   134             iServer.CreateMediaserverContainerL();
       
   135             iServer.MediaserverContainer().HarvestMediaserversL();
       
   136             break;
       
   137             }
       
   138         case ECmMdhCancel:
       
   139             {
       
   140             LOG(_L("[CmMdh Server]\t ECmMdhCancel request"));
       
   141             switch ( iServer.ServerState() )
       
   142                 {
       
   143                 case ECmMdhServerStateSearching:
       
   144                     {
       
   145                     iServer.MediaserverContainer().CancelSearchL();
       
   146                     iServer.DestroyMediaserverContainer();
       
   147                 
       
   148                     aMessage.Complete( KErrNone );
       
   149                     break;
       
   150                     }
       
   151                 case ECmMdhServerStateHarvesting:
       
   152                     {
       
   153                     iServer.MediaserverContainer().CancelHarvestL();
       
   154                     iServer.DestroyMediaserverContainer();
       
   155                 
       
   156                     aMessage.Complete( KErrNone );
       
   157                     break;
       
   158                     }
       
   159                 default: 
       
   160                     {
       
   161                     aMessage.Complete( KErrNotReady );
       
   162                     break;
       
   163                     }
       
   164                 }
       
   165             break;
       
   166             }
       
   167         default:
       
   168             {
       
   169             // Unknown opcode --> panic client
       
   170             PanicClient( aMessage, ECmMdhClientBadRequest );
       
   171             break;
       
   172             }
       
   173         }    
       
   174     }
       
   175 
       
   176 // End of File