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54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2000 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* The Communications manager brokers messages between controllers It
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* maps players to devices.
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*
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* Messages for players go through it. If the player is remote, then the
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* message is queued. If local, it's a simple function call executed
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* immediately. When the caller is finished, it calls comms_okToSend()
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* or somesuch, and all the queued messages are combined into a single
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* message for each device represented, and sent.
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*
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* The problem of duplicate messages: Say there are two players A and B on
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* remote device D. A has just made a move {{7,6,'A'},{7,7,'T'}}. The
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* server wants to tell each player about A's move. It will want to send the
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* same message to every player but A, yet there's no point in sending to B's
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* device since the information is already there.
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*
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* There are three possiblities: put message codes into classes -- e.g.
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*/
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#ifndef _COMMMGR_H_
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#define _COMMMGR_H_
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#include "comtypes.h" /* that's *common* types */
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#include "xwstream.h"
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#include "server.h"
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/* typedef struct CommMgrCtxt CommMgrCtxt; */
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CommMgrCtxt* commmgr_make( XWStreamCtxt* serverStream );
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void commmgr_setServer( CommMgrCtxt* commMgr, ServerCtxt* server );
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XWStreamCtxt* commmgr_getServerStream( CommMgrCtxt* commmgr );
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void commmgr_receiveMessage( CommMgrCtxt* commmgr, XWStreamCtxt* incomming );
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#endif
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