clock/clockengines/clockserver/server/src/clockservermain.cpp
changeset 18 c198609911f9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clock/clockengines/clockserver/server/src/clockservermain.cpp	Fri Apr 16 14:57:40 2010 +0300
@@ -0,0 +1,141 @@
+/*
+* 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:   Has the main entry point of clockserver.exe
+*
+*/
+
+// System includes
+#include <e32base.h>
+#include <f32file.h>
+
+// User includes
+#include "clockservercommon.h"
+#include "clockservermain.h"
+#include "clockserver.h"
+
+// Literals
+_LIT( KLabelFault, "ClockServerThread-fault");
+
+// ---------------------------------------------------------
+// Fault(TSrvFault aFault)
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+GLDEF_C void Fault( TSrvFault aFault )
+    {
+    User::Panic( KLabelFault, aFault );
+    }
+
+// ---------------------------------------------------------
+// TheServerThread( TAny* /*aPr*/ )
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+EXPORT_C TInt TheServerThread( TAny* /*aPr*/ )
+    {
+    RSemaphore semaphoreHandle;
+	
+	// Code for debug logs -START
+	RFs fs;
+	User::LeaveIfError(fs.Connect());
+	_LIT(KLogPath,"C:\\logs\\clock\\");
+	fs.MkDirAll(KLogPath);
+	fs.Close();
+    // Code for debug logs -END
+	 
+	// Check if a semaphore is already associated with ClockServer
+    if( KErrNone != semaphoreHandle.OpenGlobal( KNameClockServerStartSemaphore ) )
+        {
+		// If no, then create one.
+        if( KErrNone != semaphoreHandle.CreateGlobal( KNameClockServerStartSemaphore, 0 ) )
+            {
+			// There's a problem with creating the semaphore.
+            Fault( EMainCreateSemaphore );
+            }
+        }
+    else
+        {
+		// The global semaphore is already there.
+        semaphoreHandle.Close();
+        return KErrNone;
+        }
+
+    __UHEAP_MARK;		// Mark beginning of the HEAP
+    
+	TInt errCode = KErrNone ; 
+	
+	// Try renaming the current thread.
+	errCode = User::RenameThread( KNameClockServer );
+    __ASSERT_ALWAYS( errCode == KErrNone || errCode == KErrAlreadyExists, Fault( EMainClockServerThreadRename ) );
+
+	// Construct and active scheduler
+    CActiveScheduler* activeScheduler = new CActiveScheduler;
+    __ASSERT_ALWAYS( activeScheduler != NULL, Fault( EMainCreateScheduler ) );
+
+	// Install the active scheduler
+	CActiveScheduler::Install( activeScheduler );
+	
+    CTrapCleanup* trapCleanup = CTrapCleanup::New();
+    CClkSrvMain* clockServer = NULL;
+
+	// Constructing the CClkSrvMain object, this inturn starts the server in CClkSrvMain::ConstructL -> StartL
+    TRAPD( error, clockServer = CClkSrvMain::NewL() );
+	__ASSERT_DEBUG( !error, Fault( EMainServerNotStarted ) );
+
+    if( KErrNone == error )
+        {
+		// Rendezvous to the starter client to indicate successful start
+		RProcess::Rendezvous( KErrNone );
+		
+		// Start the active scheduler
+        CActiveScheduler::Start();
+        }
+	
+	// Cleanup
+    delete clockServer;
+    delete CActiveScheduler::Current();
+    delete trapCleanup;
+
+    __UHEAP_MARKEND;	// Mark end of the HEAP
+
+    // Close the handle to the RSemaphore
+	semaphoreHandle.Close();
+
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------
+// IsServerLoaded()
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+LOCAL_C TBool IsServerLoaded()
+    {
+    TFindServer findServer( KNameClockServer );
+    TFullName fullName;
+    return( findServer.Next( fullName ) == KErrNone );
+    }
+
+// ---------------------------------------------------------
+// E32Main()
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+GLDEF_C TInt E32Main()
+    {
+    return ( IsServerLoaded() ? KErrInUse : TheServerThread( NULL ) );
+    }
+
+
+// End of file