supl/locationsuplfw/terminalinitiationapi/src/epos_startsuplserver.cpp
changeset 0 667063e416a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/supl/locationsuplfw/terminalinitiationapi/src/epos_startsuplserver.cpp	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2002-2005 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:   SUPL Server startup code
+*
+*/
+
+
+
+#include <e32base.h>
+#include <e32math.h>
+
+#include "epos_suplterminal.h"
+#include "epos_suplterminalipc.h"
+#include "epos_startsuplserver.h"
+
+#ifdef _DEBUG
+#include <e32debug.h>
+#endif
+_LIT(KSuplServerStartupSemaphoreName, "SuplServerStartupSem");
+
+/**
+ * Start the server process/thread which lives in an EPOCEXE object.
+ *
+ * \internal
+ * @return KErrNone if successful, any other error code otherwise
+ */
+TInt RSuplTerminalServer::StartServer()
+    {
+    TRequestStatus started;
+    TInt ret;
+
+    RSemaphore startupSemaphore;
+    ret = startupSemaphore.CreateGlobal( KSuplServerStartupSemaphoreName, 0 );
+
+    if ( ret == KErrAlreadyExists )
+        {
+        // The server is starting up, but has not yet started 
+        startupSemaphore.OpenGlobal( KSuplServerStartupSemaphoreName );
+        // wait until the server has started up, Max 5 secs.
+        TInt err = startupSemaphore.Wait(5000000); 
+        startupSemaphore.Close();
+        if (err != KErrNone)
+        	return err;
+        else
+        	return ret;
+        }
+
+#ifdef _DEBUG
+    RDebug::Print(_L("SuplApi: Starting SUPL Server..."));
+#endif
+    const TUidType serverUid(KNullUid, KNullUid, KSuplServerUid3);
+
+    // Simultaneous launching of two such processes should be detected 
+    // when the second one attempts to create the server object, 
+    // failing with KErrAlreadyExists.
+    //
+    RProcess server;
+    ret = server.Create(KSuplServerImg, KNullDesC, serverUid);
+
+    if (ret != KErrNone)
+        {
+#ifdef _DEBUG
+        RDebug::Print(_L("SuplTerminalApi: server start failed %d"), ret);
+#endif
+        startupSemaphore.Close();
+        return ret;
+        }
+
+    TRequestStatus died;
+    server.Rendezvous(died);
+
+    if (died != KRequestPending)
+        {
+        // logon failed - server is not yet running, so cannot have terminated
+        User::WaitForRequest(died); // eat signal
+        server.Kill(0);                         // abort startup
+        }
+    else
+        {
+        server.Resume();
+        }
+    User::WaitForRequest(died);                // wait for start or death
+
+    // we can't use the 'exit reason' if the server panicked as this
+    // is the panic 'reason' and may be '0' which cannot be distinguished
+    // from KErrNone
+    ret = (server.ExitType() == EExitPanic) ? KErrGeneral : died.Int();
+    server.Close();
+    startupSemaphore.Wait();
+    startupSemaphore.Close();
+    return ret;
+    }
+
+//
+// End of file