--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/sit/inc/sit.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,86 @@
+/*
+* Copyright (c) 2003 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: Socket Interaction Thread implementation.
+*
+*/
+
+
+
+#ifndef __SIT_H__
+#define __SIT_H__
+
+#include <e32std.h>
+#include <e32base.h>
+
+#include "eventmediatorapi.h"
+#include "sitdeathobserver.h"
+
+#ifndef TRAP_IGNORE
+#define TRAP_IGNORE(_s) {TInt _ignore;TTrap __t;if (__t.Trap(_ignore)==0){_s;TTrap::UnTrap();}}
+#endif
+
+_LIT(KSitName, "SocketInteractionThread");
+
+static const TUid KUidSit = {0x101FD28D};
+
+enum TSitPanic
+    {
+    EPanicUnknownEventType = 1,
+    EPanicInvalidTaskHandlerState,
+    EPanicUnexpectedEventOccured                             
+    };
+
+const TUint KSitMaxHeapSize = 0x80000;  // 512 kB
+
+/**
+ * Socket Interaction Thread implementation
+ */
+class CSit : public CBase, public MSitDeathListener
+    {
+/**
+ ** @internalComponent
+ */
+public:
+    IMPORT_C CSit(MSitDeathListener* aSitDeathListener);
+    IMPORT_C ~CSit();
+
+    IMPORT_C void StartL();
+    IMPORT_C static TBool EventRequiresSit(TEventType aEventType);
+    IMPORT_C TThreadId ThreadId();
+    IMPORT_C static TEventType FindTaskRequestEventType(TEventType aCancelEventType);
+    IMPORT_C static TEventType FindCancelEventType(TEventType aTaskRequestEventType);
+    IMPORT_C static TBool IsTaskCancellationObservationRequest(TEventType aEventType);
+    
+public: // From MSitDeathListener    
+    void SitDied();
+    
+public:    
+    static HBufC16* To16BitL(const TDesC8& aDes);
+
+private:
+    void StartWorkingL();
+    void StartThreadL();
+   
+    static TInt ThreadFunction(TAny* aParameters);
+
+private:
+    RThread* iTaskThread;
+
+    CSitDeathObserver* iSitDeathObserver;
+    MSitDeathListener* iSitDeathListener;
+
+    TEventType iEventType;
+    };
+
+#endif // __SIT_H__