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mabam
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* $Author: djh $ $Date: 91/02/15 23:07:47 $
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* $Header: mpxddp.h,v 2.1 91/02/15 23:07:47 djh Rel $
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* $Revision: 2.1 $
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*/
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/*
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* demultipexor/multiplexor interface
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*
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* used to send packets to/from processes from a central process that
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* handles incoming ddp packets from an interface that can only be
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* attached by a single process
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*
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* Copyright (c) 1988 by The Trustees of Columbia University
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* in the City of New York.
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*
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* Permission is granted to any individual or institution to use,
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* copy, or redistribute this software so long as it is not sold for
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* profit, provided that this notice and the original copyright
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* notices are retained. Columbia University nor the author make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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*
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* Edit History:
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*
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* August 1988 CCKim Created
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*
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*/
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#ifndef _MPX_DDP_INCLUDED
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#define _MPX_DDP_INCLUDED "yes"
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/*
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* demuliplexing module interface point
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*
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*/
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struct mpxddp_module {
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char *mpx_name; /* name of module (usually transport type) */
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char *mpx_key; /* key for specification purposes */
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int (*mpx_init)(); /* init routine */
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int (*mpx_grab)(); /* used to grab ddp sockets */
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int (*mpx_send_ddp)(); /* send ddp routine */
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int (*mpx_havenode)(); /* mark node known */
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int (*mpx_havenet)(); /* network & bridge (if nec) known */
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int (*mpx_havezone)(); /* zone known */
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};
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/*
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* mpx_init
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*
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* initialization
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*
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* int (*mpx_init)() - returns handle (hdl) for later use
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*
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*/
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/*
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* mpx_grab
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*
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* mpx_grab should "grab" the specified ddp socket (in its own way)
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* and forward packets received upon that ddp socket to (s)ddp_router
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*
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* int (*mpx_grab)(hdl, skt);
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*/
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/*
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* mpx_send_ddp
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*
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* used by the mpx process to send ddp packets to clients
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*
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* (*mpx_send_ddp)(hdl, DDP *ddp, caddr_t data, int data_len)
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*/
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/*
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* used by multiplexing process to send back info on the current ddp world
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*
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* Ordering will always be: havenode, havenet, havezone
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*
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* (*mpx_havenode)(hdl,byte node)
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* (*mpx_havenet)(hdl,word net, byte bridgenode)
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* (*mpx_havezone)(hdl,pstr zone)
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*
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*/
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#endif /* INCLUDE THIS FILE */
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