upnpharvester/mdhserver/src/server/mdhserver.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:30:01 +0200
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/*
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:      Server core
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*
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*/
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#include    <e32base.h>
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#include    "mdhserver.h"
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#include    "mdhcommon.h"
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#include    "mdhserversession.h"
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#include    "mdhmediaservercontainer.h"
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#include    "msdebug.h"
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// ============================ MEMBER FUNCTIONS =============================
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// ---------------------------------------------------------------------------
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// CCmMdhServer::CCmMdhServer
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// constructor
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// ---------------------------------------------------------------------------
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//
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CCmMdhServer::CCmMdhServer()
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    : CPolicyServer( CActive::EPriorityHigh, KCmMdhServerPolicy )
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::CCmMdhServer"));
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    iServerState = ECmMdhServerStateIdle;
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::ConstructL
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// 2nd phase constructor
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// ---------------------------------------------------------------------------
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//
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void CCmMdhServer::ConstructL()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::ConstructL"));
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    iSessionCount = 0;
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    StartL( KCmMdhServerName );
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::ConstructL end"));
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::NewLC
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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CCmMdhServer* CCmMdhServer::NewLC()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::NewLC"));
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    CCmMdhServer *self = new (ELeave) CCmMdhServer();
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::~CCmMdhServer
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// destructor
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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CCmMdhServer::~CCmMdhServer()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::~CCmMdhServer"));
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    delete iMediaserverContainer;
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::~CCmMdhServer end"));
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::
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// 
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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void CCmMdhServer::CreateMediaserverContainerL()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::CreateMediaserverContainerL"));
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    if ( !iMediaserverContainer )
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        {
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        iMediaserverContainer = 
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            CCmMdhMediaserverContainer::NewL( *this );
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        LOG(_L("[CmMdh Server]\t MediaserverContainer created"));
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        }
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::DestroyMediaserverContainer
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// 
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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void CCmMdhServer::DestroyMediaserverContainer() 
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::DestroyMediaserverContainer"));
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diff changeset
   117
    
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   118
    if ( iMediaserverContainer )
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   119
        {
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   120
        delete iMediaserverContainer; iMediaserverContainer = NULL;
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   121
        LOG(_L("[CmMdh Server]\t MediaserverContainer destroyed"));
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   122
        }
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   123
    }
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parents:
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   124
    
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   125
// ---------------------------------------------------------------------------
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   126
// CCmMdhServer::MediaserverContainer
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   127
// 
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   128
// (other items were commented in a header).
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   129
// ---------------------------------------------------------------------------
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   130
//
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   131
CCmMdhMediaserverContainer& CCmMdhServer::MediaserverContainer() 
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   132
    {
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   133
    return *iMediaserverContainer;
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   134
    }
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parents:
diff changeset
   135
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parents:
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   136
// ---------------------------------------------------------------------------
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   137
// CCmMdhServer::NewSessionL
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   138
// Creates a new session to the server if version information is correct.
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   139
// (other items were commented in a header).
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   140
// ---------------------------------------------------------------------------
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   141
//
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   142
CSession2* CCmMdhServer::NewSessionL( const TVersion & aVersion, 
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   143
                                      const RMessage2 &/*aMessage*/) const
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   144
    {
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   145
    LOG(_L("[CmMdh Server]\t CCmMdhServer::NewSessionL"));
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diff changeset
   146
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   147
#ifdef _DEBUG
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   148
    
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   149
    TInt alloc;
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   150
    TInt cells = User::Heap().AllocSize( alloc );
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   151
    TInt size = User::Heap().Size();
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   152
    TRACE( Print(
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   153
        _L("[CmMdh Server]\t NewSessionL allocsize %d, size %d, cells %d"), 
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parents:
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   154
        alloc, 
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   155
        size, 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
        cells ) );
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parents:
diff changeset
   157
 
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parents:
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   158
#endif
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   159
    
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parents:
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   160
    // check we're the right version
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parents:
diff changeset
   161
    TVersion version( KCmMdhServerMajor, 
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parents:
diff changeset
   162
                      KCmMdhServerMinor, 
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diff changeset
   163
                      KCmMdhServerBuild);
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parents:
diff changeset
   164
                      
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parents:
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   165
    if( !User::QueryVersionSupported( version, aVersion ) )
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parents:
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   166
        {
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   167
        User::Leave( KErrNotSupported );
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parents:
diff changeset
   168
        }
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parents:
diff changeset
   169
    // make new session
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parents:
diff changeset
   170
    return CCmMdhSession::NewL( iMediaserverContainer, 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   171
        *const_cast<CCmMdhServer*>(this) );
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parents:
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   172
    }
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parents:
diff changeset
   173
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
// ---------------------------------------------------------------------------
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parents:
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   175
// CCmMdhServer::SetServerStateL
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parents:
diff changeset
   176
// 
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   177
// (other items were commented in a header).
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parents:
diff changeset
   178
// ---------------------------------------------------------------------------
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   179
//
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   180
void CCmMdhServer::SetServerStateL( TCmMdhServerState aServerState, 
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parents:
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   181
                                     TInt aErrCode /* = KErrNone */)
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parents:
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   182
    {
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parents:
diff changeset
   183
    LOG(_L("[CmMdh Server]\t CCmMdhServer::SetServerState"));
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parents:
diff changeset
   184
    TRACE( Print( _L("[CmMdh Server]\t Setting server state from %d to %d"), 
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parents:
diff changeset
   185
               iServerState, aServerState));
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parents:
diff changeset
   186
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
    if ( iServerState == aServerState ) 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
        {
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parents:
diff changeset
   189
        return;
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parents:
diff changeset
   190
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   192
    TBool validTransition = EFalse;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
    switch ( iServerState )
7f85d04be362 Revision: 200947
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
        {
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parents:
diff changeset
   196
        case ECmMdhServerStateIdle:
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parents:
diff changeset
   197
            if ( aServerState ) // search or harvest started
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
                {
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parents:
diff changeset
   199
                validTransition = ETrue;
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parents:
diff changeset
   200
                }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
        case ECmMdhServerStateSearching:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
            if ( aServerState == ECmMdhServerStateIdle ) // search complete
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parents:
diff changeset
   204
                {
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parents:
diff changeset
   205
                if ( aErrCode )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
                    {
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parents:
diff changeset
   207
                    //DestroyMediaserverContainer();
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parents:
diff changeset
   208
                    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
                iCurrentAsyncMsg.Complete( aErrCode );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
                validTransition = ETrue;    
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parents:
diff changeset
   211
                }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
        case ECmMdhServerStateHarvesting:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
            if ( aServerState == ECmMdhServerStateIdle ) // harvest complete
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
                {
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parents:
diff changeset
   216
                //DestroyMediaserverContainer();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
                LOG(_L("[CmMdh Server]\t Completing..."));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
                iCurrentAsyncMsg.Complete( aErrCode );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
                LOG(_L("[CmMdh Server]\t Completed..."));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
                validTransition = ETrue;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
                if ( iSessionCount <= 0)
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parents:
diff changeset
   222
                    {
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parents:
diff changeset
   223
                    // shutdown server 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
                    LOG(_L("[CmMdh Server]\t Harvest complete, \
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
                        shutting down.."));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
                    CActiveScheduler::Stop();
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parents:
diff changeset
   227
                    }
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parents:
diff changeset
   228
                }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
         default:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
            // nothing
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parents:
diff changeset
   232
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   233
        }
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    if (validTransition) 
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        {
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        iServerState = aServerState;   
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        }
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    else
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        {
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        User::Leave( KErrNotReady );
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        }
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::DecrementSessions
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// 
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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void CCmMdhServer::DecrementSessions()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::DecrementSessions"));
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    if ( --( iSessionCount) <= 0 
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      && iServerState!= ECmMdhServerStateHarvesting ) 
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      {
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      LOG(_L("[CmMdh Server]\t Destroying media server container..."));
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      DestroyMediaserverContainer();
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      // shutdown server
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      LOG(_L("[CmMdh Server]\t No sessions left, shutting down.."));
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      CActiveScheduler::Stop();
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      }
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#ifdef _DEBUG
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    TInt alloc;
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    TInt cells = User::Heap().AllocSize( alloc );
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    TInt size = User::Heap().Size();
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    TRACE( Print(
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        _L(
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        "[CmMdh Server]\t DecrementSessions allocsize %d, size %d, cells %d"
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          ),
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        alloc, 
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        size, 
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        cells )); 
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#endif      
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    }
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// --------------------------------------------------------------------------
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// CCmMdhServer::IncrementSessions
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// --------------------------------------------------------------------------
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void CCmMdhServer::IncrementSessions() 
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::IncrementSessions"))
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    ++iSessionCount;    
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::ServerState
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// 
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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TCmMdhServerState CCmMdhServer::ServerState()
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    {
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    LOG(_L("[CmMdh Server]\t CCmMdhServer::ServerState"));
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    return iServerState;
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    }
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// ---------------------------------------------------------------------------
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// CCmMdhServer::SetCurrentAsyncMsg
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// 
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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void CCmMdhServer::SetCurrentAsyncMsg( const RMessage2& aMessage )
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    {
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    LOG(_L("[CmMdh Server]\t CCmServer::SetCurrentAsyncMsg"));
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    iCurrentAsyncMsg = aMessage;
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    }
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   310
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   311
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// ========================== OTHER EXPORTED FUNCTIONS =======================
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// ---------------------------------------------------------------------------
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// PanicServer
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// Server panic handler
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// Panic our own thread
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// ---------------------------------------------------------------------------
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//
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void PanicServer(TInt aPanic)
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    {
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    TRACE(Print(_L("[CmMdh Server]\t PanicServer: Reason = %d\n"), aPanic));
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    User::Panic( KCmMdhServerPanic, aPanic );
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    }
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// ---------------------------------------------------------------------------
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// PanicClient
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// Client panic handler
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// RMessage2::Panic() also completes the message. This is:
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// (a) important for efficient cleanup within the kernel
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// (b) a problem if the message is completed a second time
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// (other items were commented in a header).
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// ---------------------------------------------------------------------------
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//
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void PanicClient( const RMessage2& aMessage, TInt aPanic )
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    {
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    TRACE(Print(_L("[CmMdh Server]\t PanicClient: Reason = %d\n"), aPanic));
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    aMessage.Panic( KCmMdhServerPanic, aPanic );
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    }
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// End of File