hti/HtiCommPlugins/HtiIPCommPlugin/src/HtiIPCommserver.cpp
branchRCL_3
changeset 59 8ad140f3dd41
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiCommPlugins/HtiIPCommPlugin/src/HtiIPCommserver.cpp	Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: This file contains the implementation of the
+*              CHtiIPCommServer class.
+*              CHtiIPCommServer handles Symbian server side operations
+*              such as server starting and client session creation.
+*
+*/
+
+
+// INCLUDE FILES
+#include "HtiIPCommServerCommon.h"
+#include "HtiIPCommServer.h"
+#include "HtiIPCommServerSession.h"
+#include "HtiIPCommLogging.h"
+
+CHtiIPCommServer::CHtiIPCommServer()
+    :CServer2( EPriorityUserInput, EUnsharableSessions ),
+    iConnectionManager( NULL ),
+    iRunning( EFalse ),
+    iNrOfSessions( 0 )
+    {
+    // NOTE: Server needs to have highest priority of all our active
+    // objects to be able to service client requests while other active
+    // objects are running.
+    //
+    // This also affects closing of sessions. If priorities
+    // are the same ~CHtiIPCommServerSession does not get called before active
+    // object completes.
+    }
+
+CHtiIPCommServer::~CHtiIPCommServer()
+    {
+    delete iConnectionManager;
+    }
+
+CHtiIPCommServer* CHtiIPCommServer::NewLC()
+    {
+    CHtiIPCommServer* self=new(ELeave) CHtiIPCommServer;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+void CHtiIPCommServer::ConstructL()
+    {
+    iConnectionManager = CHtiConnectionManager::NewL( this );
+    StartL( KIPCommServerName );
+    }
+
+CSession2* CHtiIPCommServer::NewSessionL( const TVersion&, const RMessage2&) const
+    {
+    // There should be only one session
+    if ( iNrOfSessions )
+        User::Leave( KErrAlreadyExists );
+
+    return new(ELeave) CHtiIPCommServerSession( (CHtiIPCommServer*)this );
+    }
+
+void CHtiIPCommServer::SessionOpened()
+    {
+    iNrOfSessions++;
+    }
+
+void CHtiIPCommServer::SessionClosed()
+    {
+    // Die if no more sessions
+    if ( --iNrOfSessions == 0 )
+        {
+        HTI_LOG_TEXT( "HtiIPCommServer no more sessions - dying..." );
+        CloseServer();
+        }
+    }
+
+void CHtiIPCommServer::CloseServer()
+    {
+    // Can be called from CHtiIPCommServer::SessionClosed and
+    // CHtiConnectionManager::TimerExpiredL
+    // So this can actually be called twice if it is called from
+    // TimerExpiredL - hence the iRunning variable :)
+    if ( iRunning )
+        {
+        iRunning = EFalse;
+        CActiveScheduler::Stop();
+        HTI_LOG_TEXT( "CActiveScheduler::Stop() called" );
+        }
+    }
+
+static void RunServerL()
+    {
+    // naming the server thread after the server helps to debug panics
+
+    User::LeaveIfError( RThread::RenameMe( KIPCommServerName ) );
+
+    // create and install the active scheduler we need
+    CActiveScheduler* as = new ( ELeave ) CActiveScheduler;
+    CleanupStack::PushL( as );
+    CActiveScheduler::Install( as );
+
+    // create the server (leave it on the cleanup stack)
+    CHtiIPCommServer* server = CHtiIPCommServer::NewLC();
+
+    // Rendezvous with the client (RHtiIPCommServer::Connect)
+    RProcess::Rendezvous(KErrNone);
+
+    server->iRunning = ETrue;
+    CActiveScheduler::Start();
+
+    CleanupStack::PopAndDestroy(2);     // server, as
+    }
+
+
+// Server process entry-point
+TInt E32Main()
+    {
+
+    HTI_LOG_TEXT( "*** Starting HtiIPCommServer ***" );
+
+    __UHEAP_MARK;
+
+    CTrapCleanup* cleanup = CTrapCleanup::New();
+    TInt r = KErrNoMemory;
+
+    if ( cleanup )
+        {
+        TRAP( r, RunServerL() );
+        delete cleanup;
+        }
+
+    __UHEAP_MARKEND;
+
+    HTI_LOG_TEXT( "*** HtiIPCommServer died! ***" );
+
+    return r;
+    }