--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/syncmlfw/dm/hostserver/dmhostserverbase/src/nsmldmhostserver.cpp	Thu Dec 17 09:07:52 2009 +0200
@@ -0,0 +1,241 @@
+/*
+* Copyright (c) 2005 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:  Contains a common code for all dedicated dm host servers.
+*
+*/
+
+
+// ------------------------------------------------------------------------------------------------
+// Includes
+// ------------------------------------------------------------------------------------------------
+
+#include <s32mem.h>
+#include <data_caging_path_literals.hrh>
+#include <f32file.h>
+#include <e32math.h>
+#include <nsmlconstants.h>
+#include <nsmldebug.h>
+#include "nsmldmclientandserver.h"
+#include "nsmldmhostserver.h"
+#include "nsmldmhostsession.h"
+
+
+// ------------------------------------------------------------------------------------------------
+// Constants
+// ------------------------------------------------------------------------------------------------
+//
+const TInt KNSmlMaxSessionCount = 2;  // Allowed clients: Treemodule and another dm host server
+_LIT ( KNSmlDmThreadAux, "_thread" );
+_LIT ( KTxtDmHostServerBase,"NSmlDmHostServerBase");
+const TUint32 KNSmlDMHostServer1ID = 270506498;  // 0x101F9A02
+const TUint32 KNSmlDMHostServer2ID = 270506499;  // 0x101F9A03
+const TUint32 KNSmlDMHostServer3ID = 270506500;  // 0x101F9A04
+const TUint32 KNSmlDMHostServer4ID = 270506501;  // 0x101F9A05
+
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::~CNSmlDMHostServer
+// Destructor.
+// ------------------------------------------------------------------------------------------------
+//
+EXPORT_C CNSmlDMHostServer::~CNSmlDMHostServer()
+	{
+	_DBG_FILE("CNSmlDMHostServer::~CNSmlDMHostServer(): begin");
+	_DBG_FILE("CNSmlDMHostServer::~CNSmlDMHostServer(): end");
+	}
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::InitHostServer
+// Initializes the server, calls aFunction.
+// ------------------------------------------------------------------------------------------------
+//
+EXPORT_C TInt CNSmlDMHostServer::InitHostServer ( const TDesC& aServerName, TThreadFunction aFunction )
+    {
+    // check server not already started
+	TFindServer findHostServer ( aServerName );
+	TFullName name;
+	if ( findHostServer.Next ( name ) == KErrNone )
+		{
+		return KErrAlreadyExists;
+		}
+	TInt error( KErrNone );
+    error = ThreadFunction( (TAny*)aFunction );
+//	_DBG_FILE("CNSmlDMHostServer::InitHostServer(): end");        
+	return error;
+    }
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::ThreadFunction
+// Starting point of a server thread.
+// ------------------------------------------------------------------------------------------------    
+//
+TInt CNSmlDMHostServer::ThreadFunction ( TAny* aStarted )
+    {
+    __UHEAP_MARK;
+    CTrapCleanup* cleanup = CTrapCleanup::New();
+    __ASSERT_ALWAYS ( cleanup, PanicServer ( EMainSchedulerError ) );    
+    CActiveScheduler* scheduler = new CActiveScheduler();
+    __ASSERT_ALWAYS ( scheduler, PanicServer ( EMainSchedulerError ) );
+	CActiveScheduler::Install ( scheduler );
+	TThreadFunction function = reinterpret_cast<TThreadFunction>( aStarted );
+
+	__UHEAP_MARK;
+	TInt ret( function( NULL ) );
+	__UHEAP_MARKEND;
+
+    CActiveScheduler::Install ( NULL );
+    delete scheduler;
+    delete cleanup;
+    __UHEAP_MARKEND;
+    
+    return ret;
+    }
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::ServerName
+// Server exe name is concluded from the current thread name.
+// ------------------------------------------------------------------------------------------------    
+//
+TPtrC CNSmlDMHostServer::ServerName()
+    {
+	RThread th;    
+	TName thname = th.Name();
+	TInt offset = thname.Find ( KNSmlDmThreadAux );
+	TPtrC serverExeName;
+	serverExeName.Set ( KNullDesC );		
+	if ( offset != KErrNotFound )
+		{
+		TPtrC serverName = thname.Left ( offset );
+		if ( !serverName.Compare ( KNSmlDmHostServer1Name ) )
+			{
+			serverExeName.Set ( KNSmlDmHostServer1Exe );
+			}
+		else if ( !serverName.Compare ( KNSmlDmHostServer2Name ) )
+			{
+			serverExeName.Set ( KNSmlDmHostServer2Exe );
+			} 
+		else if ( !serverName.Compare ( KNSmlDmHostServer3Name ) )
+			{
+			serverExeName.Set ( KNSmlDmHostServer3Exe );
+			} 
+		else if ( !serverName.Compare ( KNSmlDmHostServer4Name ) )
+			{
+			serverExeName.Set ( KNSmlDmHostServer4Exe );
+			}
+		}
+	return serverExeName;
+    }
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::NewSessionL
+// Returns a new session object, when security and version checkings are successfully passed.
+// ------------------------------------------------------------------------------------------------
+//
+CSession2* CNSmlDMHostServer::NewSessionL( const TVersion& aVersion, const RMessage2& aMessage ) const
+	{
+	_DBG_FILE("CNSmlDMHostServer::NewSessionL(): begin");
+	if( iSessionCount >= KNSmlMaxSessionCount )
+		{
+		User::Leave(KErrCouldNotConnect);
+		}
+
+	// check we're the right version
+	TVersion ver ( KNSmlDmHostServerVerMajor, KNSmlDmHostServerVerMinor, KNSmlDmHostServerVerBuild );
+	if( !User::QueryVersionSupported ( ver, aVersion) )
+		{
+		_DBG_FILE("CNSmlDMHostServer::NewSessionL(): wrong version offered -> BAIL OUT!");
+		User::Leave ( KErrNotSupported );
+		}
+
+	TUint32 idOfCaller = aMessage.SecureId().iId;
+	if ( idOfCaller != KNSmlDMHostServer1ID && idOfCaller != KNSmlDMHostServer2ID
+			&& idOfCaller != KNSmlDMHostServer3ID && idOfCaller != KNSmlDMHostServer4ID )
+		{
+		_LIT_SECURITY_POLICY_S0 ( mySidPolicy, KNSmlSOSServerSecureID );
+    	TBool status = mySidPolicy().CheckPolicy ( aMessage );
+		}
+
+	_DBG_FILE("CNSmlDMHostServer::NewSessionL(): end");
+	return CNSmlDMHostSession::NewL ( *CONST_CAST ( CNSmlDMHostServer*, this ) );	
+	}
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::CNSmlDMHostServer()
+// Constructor. Protected to prevent direct instantiation.
+// ------------------------------------------------------------------------------------------------
+//
+EXPORT_C CNSmlDMHostServer::CNSmlDMHostServer() : CServer2 ( EPriorityStandard )
+	{
+	_DBG_FILE("CNSmlDMHostServer::CNSmlDMHostServer(): begin");
+	_DBG_FILE("CNSmlDMHostServer::CNSmlDMHostServer(): end");
+	}
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::IncSessionCount
+// Increments session count.
+// ------------------------------------------------------------------------------------------------
+//
+void CNSmlDMHostServer::IncSessionCount()
+	{
+	_DBG_FILE("CNSmlDMHostServer::IncSessionCount(): begin");
+	iSessionCount++;
+	_DBG_FILE("CNSmlDMHostServer::IncSessionCount(): end");
+	}
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::DecSessionCount
+// Decrements session count. When count reaches zero, stops active scheduler.
+// ------------------------------------------------------------------------------------------------
+//
+void CNSmlDMHostServer::DecSessionCount()
+	{
+	_DBG_FILE("CNSmlDMHostServer::DecSessionCount(): begin");
+	iSessionCount--;
+    if ( iSessionCount < 1 )
+        {
+        Cancel();
+        CActiveScheduler::Stop();   
+        }
+	_DBG_FILE("CNSmlDMHostServer::DecSessionCount(): end");
+	}
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::CallNewSessionL
+// Calls NewSessionL.
+// ------------------------------------------------------------------------------------------------
+//
+EXPORT_C CSession2* CNSmlDMHostServer::CallNewSessionL ( const TVersion& aVersion, const RMessage2& aMessage ) const
+    {
+	_DBG_FILE("CNSmlDMHostServer::CallNewSessionL()");
+    return CNSmlDMHostServer::NewSessionL( aVersion, aMessage );
+    }
+
+// ------------------------------------------------------------------------------------------------
+// CNSmlDMHostServer::PanicServer()
+// Panics the server. Signals the semaphore in order to prevent dm client halting.
+// ------------------------------------------------------------------------------------------------
+//
+void CNSmlDMHostServer::PanicServer ( TNSmlDmHostServerPanic aPanic )
+    {
+	_DBG_FILE("CNSmlDMHostServer::PanicServer()");            
+	RSemaphore s;
+	TBuf<64> semaphoreName ( ServerName() );
+	if( s.OpenGlobal ( semaphoreName ) == KErrNone )
+		{
+		s.Signal();
+		s.Close();
+		}
+	
+	User::Panic ( KTxtDmHostServerBase, aPanic );
+    }	
+
+// End of file