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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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88 lines
3 KiB
C
88 lines
3 KiB
C
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2005 by Eric House (fixin@peak.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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#ifndef _XWRELAY_H_
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#define _XWRELAY_H_
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/* This file is meant to be included by both linux code that doesn't
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include xptypes and from Crosswords client code.*/
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/* Set if device is acting a server; cleared if as client */
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#define FLAGS_SERVER_BIT 0x01
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enum { XWRELAY_NONE /* 0 is an illegal value */
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, XWRELAY_CONNECT
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/* Sent from device to relay to establish connection to relay. Format:
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flags: 1; cookieLen: 1; cookie: <cookieLen>; hostID:
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2. connectionID: 2. */
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, XWRELAY_RECONNECT
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/* Connect using ID rather than cookie. Used by a device that's lost
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its connection to a game in progress. Once a game is locked this is
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the only way a host can get (back) in. */
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, XWRELAY_CONNECTRESP
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/* Sent from relay to device in response to XWRELAY_CONNECT or
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XWRELAY_RECONNECT. Format: heartbeat_seconds: 2; connectionID:
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2; */
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, XWRELAY_DISCONNECT
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/* Sent from relay when existing connection is terminated. Includes
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reason code */
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, XWRELAY_CONNECTDENIED
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/* The relay says go away. Format: reason code: 1 */
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, XWRELAY_HEARTBEAT
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/* Sent in either direction. Format: cookieID: 2; srcID: 2 */
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, XWRELAY_MSG_FROMRELAY
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/* Sent from relay to device. Format: cookieID: 2; src_hostID: 2;
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dest_hostID: 2; data <len-headerLen> */
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, XWRELAY_MSG_TORELAY
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/* Sent from device to relay. Format: connectionID: 2; src_hostID:
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2; dest_hostID: 2 */
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};
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#ifndef CANT_DO_TYPEDEF
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typedef unsigned char XWRELAY_Cmd;
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#endif
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#define HOST_ID_NONE 0
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#define HOST_ID_SERVER 1
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#define MAX_COOKIE_LEN 15
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#define MAX_MSG_LEN 256 /* 100 is more like it */
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#define XWRELAY_PROTO_VERSION 0x01
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/* Errors passed with denied */
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typedef enum {
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XWRELAY_ERROR_NONE
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,XWRELAY_ERROR_BADPROTO
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,XWRELAY_ERROR_RELAYBUSY
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,XWRELAY_ERROR_SHUTDOWN /* relay's going down */
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,XWRELAY_ERROR_TIMEOUT /* Other players didn't show */
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,XWRELAY_ERROR_HEART /* Haven't heard from you in too long */
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,XWRELAY_ERROR_LASTERR
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} XWREASON;
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#endif
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