--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/linklayerprotocols/tundriver/inc/tundriverflow.h	Wed Sep 15 00:18:51 2010 +0300
@@ -0,0 +1,130 @@
+/**
+*   Copyright (c) 2010 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:
+*   Header file for the Default SubConnection Flow
+* 
+*
+*/
+
+
+
+/**
+ @file tundriverflow.h
+ @internalTechnology
+*/
+
+#ifndef TUNDRIVERFLOW_H
+#define TUNDRIVERFLOW_H
+
+#include <e32base.h>
+#include <e32std.h>
+#include <comms-infras/ss_subconnflow.h>
+#include <comms-infras/nifif.h>
+#include "tundriverbinder.h"
+#include "tundriverprovision.h"
+
+/**
+Tun Driver SubConnFlow Implementation UID
+*/
+const TInt KTunDriverFlowImplementationUid = 0x10281C3C;
+
+// String literals for protocol name used during flow binding
+_LIT8(KProtocol4, "ip");
+#ifdef IPV6SUPPORT
+_LIT8(KProtocol6, "ip6");
+#endif
+
+class CTunDriverSubConnectionFlowFactory : public ESock::CSubConnectionFlowFactoryBase
+/**
+*/
+    {
+public:
+    static CTunDriverSubConnectionFlowFactory* NewL(TAny* aConstructionParameters);
+    virtual ESock::CSubConnectionFlowBase* DoCreateFlowL(ESock::CProtocolIntfBase* aProtocolIntf, ESock::TFactoryQueryBase& aQuery);
+protected:
+    CTunDriverSubConnectionFlowFactory(TUid aFactoryId, ESock::CSubConnectionFlowFactoryContainer& aParentContainer);
+    };
+
+class CTunDriverBinder4;
+#ifdef IPV6SUPPORT
+class CTunDriverBinder6;
+#endif
+class CTunDriverSubConnectionFlow : public ESock::CSubConnectionFlowBase, public ESock::MFlowBinderControl
+/**
+*/
+    {
+public:
+    static CTunDriverSubConnectionFlow* NewL(ESock::CSubConnectionFlowFactoryBase& aFactory, const Messages::TNodeId& aSubConnId, ESock::CProtocolIntfBase* aProtocolIntf);
+
+    // from Messages::ANode (via CSubConnectionFlowBase)
+    virtual void ReceivedL(const Messages::TRuntimeCtxId& aSender, const Messages::TNodeId& aRecipient, Messages::TSignatureBase& aMessage);
+
+    // Methods called from Binders
+    void FlowDown(TInt aError, TInt aAction = MNifIfNotify::EDisconnect);
+    void Progress(TInt aStage, TInt aError);
+    const TTunDriverIp4Provision* Ip4Provision() const;
+#ifdef IPV6SUPPORT
+    const TTunDriverIp6Provision* Ip6Provision() const;
+#endif
+
+    // Functions for dealing with SCPR messages
+    void StartFlowL();
+    void CancelFlow(TInt aError);
+    void StopFlow(TInt aError);
+    void Destroy();
+    void SubConnectionGoingDown();
+    void SubConnectionError(TInt aError);
+
+    // from MFlowBinderControl
+    virtual ESock::MLowerControl* GetControlL(const TDesC8& aProtocol);
+    virtual ESock::MLowerDataSender* BindL(const TDesC8& aProtocol, ESock::MUpperDataReceiver* aReceiver, ESock::MUpperControl* aControl);
+    virtual void Unbind(ESock::MUpperDataReceiver* aReceiver, ESock::MUpperControl* aControl);
+    virtual ESock::CSubConnectionFlowBase* Flow();
+
+protected:
+    CTunDriverSubConnectionFlow(ESock::CSubConnectionFlowFactoryBase& aFactory, const Messages::TNodeId& aSubConnId, ESock::CProtocolIntfBase* aProtocolIntf);
+    virtual ~CTunDriverSubConnectionFlow();
+
+    // CSubConnectionFlowBase
+    virtual ESock::MFlowBinderControl* DoGetBinderControlL();
+
+    // Utilities for posting SCPR messages
+    void PostProgressMessage(TInt aStage, TInt aError);
+    void PostDataClientStartedMessage();
+    void PostFlowDownMessage(TInt aError, TInt aAction = MNifIfNotify::EDisconnect);
+    void MaybePostDataClientIdle();
+
+private:
+    void ProvisionConfig(const ESock::RMetaExtensionContainerC& aConfigData);
+
+private:
+    CTunDriverBinder4* iBinder4;
+#ifdef IPV6SUPPORT
+    CTunDriverBinder6* iBinder6;
+#endif
+    const CTunDriverProtoProvision* iProvision;      // cached pointer to provisioning structure in SCPR (in control side memory)
+    TInt iSavedError;                           // errors during processing of ProvisionConfig message
+    enum TMeshMachineFlowState
+            {
+            EStopped,
+            EStarting,
+            EStarted,
+            EStopping,
+            };
+    TMeshMachineFlowState iMMState;
+    __FLOG_DECLARATION_MEMBER;
+public:
+    };
+
+#endif // TUNDRIVERFLOW_H