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//*********************************************************
//
// Copyright (c) Microsoft. All rights reserved.
// This code is licensed under the MIT License (MIT).
// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
//
//*********************************************************

import "oaidl.idl";
import "unknwn.idl";

[uuid (906B0CE0-C70B-1067-B317-00DD010662DA),
version(1.0),
pointer_default(unique),
]
interface RpcInterface
{

    // context_handle_noserialize in acf for RPC to call rundown when the client goes away
    typedef [context_handle] void* PCONTEXT_HANDLE_TYPE;
    typedef [ref] PCONTEXT_HANDLE_TYPE * PPCONTEXT_HANDLE_TYPE;

    //
    // RPC methods to retrieve/clean client context
    //
    void RemoteOpen([in] handle_t hBinding,
        [out] PPCONTEXT_HANDLE_TYPE pphContext);

    void RemoteClose([in, out] PPCONTEXT_HANDLE_TYPE pphContext);

    //
    // Metering Interface
    //
    void StartMetering(
        [in] PCONTEXT_HANDLE_TYPE phContext,
        [in] __int64 samplePeriod,
        [in, optional] __int64 context);

    void SetSamplePeriod(
        [in] PCONTEXT_HANDLE_TYPE phContext,
        [in] __int64 samplePeriod);

    void StopMetering([in] PCONTEXT_HANDLE_TYPE phContext);

    [callback] void MeteringDataEvent(
        [in] __int64 data,
        [in, optional] __int64 context);
}