///////////////////////////////////////////////////
//
//  hosthook.idl - Copyright 1997, Don Box
//  
//  Description of host hook accessor interfaces
//
//


import "objidl.idl";

// ICallInfo describes the caller that invoked the current call
[
    uuid(F23ADD50-4992-11d1-991C-006097585A3C), 
    object
]
interface ICallInfo : IUnknown
{
    [propget] HRESULT OriginalProcessID([out, retval] long *pVal);
    [propget] HRESULT OriginalThreadID([out, retval] long *pVal);
    [propget] HRESULT OriginalHostID([out, retval] long *pVal);
    [propget] HRESULT OriginalHostName([out, retval] BSTR *pVal);

    [propget] HRESULT DirectProcessID([out, retval] long *pVal);
    [propget] HRESULT DirectThreadID([out, retval] long *pVal);
    [propget] HRESULT DirectHostID([out, retval] long *pVal);
    [propget] HRESULT DirectHostName([out, retval] BSTR *pVal);

    [propget] HRESULT PseudoCausalityID([out, retval] GUID *pguid);
}

// IClientCallInfo describes the server that dispatched the last ORPC call
[
    uuid(F23ADD54-4992-11d1-991C-006097585A3C), 
    object
]
interface IClientCallInfo : IUnknown
{
    [propget] HRESULT TargetProcessID([out, retval] long *pVal);
    [propget] HRESULT TargetThreadID([out, retval] long *pVal);
    [propget] HRESULT TargetHostID([out, retval] long *pVal);
    [propget] HRESULT TargetHostName([out, retval] BSTR *pVal);
}

[
    uuid(F23ADD51-4992-11d1-991C-006097585A3C), 
    version(1.0), lcid(0),
    helpstring("Call Info Library")
]
library CallInfoLib
{
    importlib("stdole32.tlb");

// CallInfo is a singleton that returns information about the last/current call
    [
        uuid(F23ADD52-4992-11d1-991C-006097585A3C)
    ]
    coclass CallInfo
    {
        interface IUnknown;
        interface ICallInfo;
        interface IClientCallInfo;
    }
}