154 lines
3.2 KiB
C
154 lines
3.2 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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net\routing\ipx\sap\lpcmgr.h
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Abstract:
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Header for SAP LPC manager
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Author:
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Vadim Eydelman 05-15-1995
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Revision History:
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--*/
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#ifndef _SAP_LPCMGR_
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#define _SAP_LPCMGR_
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#include "nwsap.h"
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#include "saplpc.h"
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// LPC parameters associated with LPC request
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typedef struct _LPC_PARAM_BLOCK {
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HANDLE client; // Client context
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PNWSAP_REQUEST_MESSAGE request;// Request block
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} LPC_PARAM_BLOCK, *PLPC_PARAM_BLOCK;
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/*++
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*******************************************************************
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I n i t i a l i z e L P C S t u f f
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Routine Description:
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Allocates resources neccessary to implement LPC interface
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Arguments:
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None
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Return Value:
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NO_ERROR - port was created OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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InitializeLPCStuff (
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void
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);
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/*++
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*******************************************************************
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S t a r t L P C
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Routine Description:
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Start SAP LPC interface
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Arguments:
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None
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Return Value:
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NO_ERROR - LPC interface was started OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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StartLPC (
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void
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);
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/*++
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*******************************************************************
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S h u t d o w n L P C
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Routine Description:
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Shuts SAP LPC interface down, closes all active sessions
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Arguments:
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None
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Return Value:
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NO_ERROR - LPC interface was shutdown OK
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other - operation failed (windows error code)
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*******************************************************************
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--*/
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DWORD
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ShutdownLPC (
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void
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);
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/*++
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*******************************************************************
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D e l e t e L P C S t u f f
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Routine Description:
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Disposes of resources allocated for LPC interface
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Arguments:
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None
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Return Value:
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None
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*******************************************************************
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--*/
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VOID
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DeleteLPCStuff (
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void
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);
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/*++
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*******************************************************************
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P r o c e s s L P C R e q u e s t s
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Routine Description:
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Waits for requests on LPC port and processes them
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Client requests that require additional processing by other SAP
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components are enqued into completion queue.
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This routine returns only when it encounters a request that requires
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additional processing or when error occurs
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Arguments:
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lreq - LPC parameter block to be filled and posted to completions queue
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Return Value:
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NO_ERROR - LPC request was received and posted to completio queue
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other - operation failed (LPC supplied error code)
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*******************************************************************
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--*/
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DWORD
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ProcessLPCRequests (
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PLPC_PARAM_BLOCK item
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);
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/*++
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*******************************************************************
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S e n d L P C R e p l y
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Routine Description:
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Send reply for LPC request
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Arguments:
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client - context associated with client to reply to
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request - request to which to reply
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reply - reply to send
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Return Value:
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NO_ERROR - LPC reply was sent OK
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other - operation failed (LPC supplied error code)
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*******************************************************************
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--*/
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DWORD
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SendLPCReply (
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HANDLE client,
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PNWSAP_REQUEST_MESSAGE request,
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PNWSAP_REPLY_MESSAGE reply
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);
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#endif
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