/*
* IMC2 - an inter-mud communications protocol
*
* imc-config.h: configuration information
*
* Copyright (C) 1996,1997 Oliver Jowett <oliver@jowett.manawatu.planet.co.nz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, write to the
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef IMC_CONFIG_H
#define IMC_CONFIG_H
/*
* This file contains most of the tweakable parameters of the core IMC code
*/
/* NO_OPTIMIZE makes it so your MUD won't try to find a hub with less
direct connections to it. This should probably NOT be defined unless you
have a wacky setup that you don't want switched. 1/5/99 -- Scion */
/* #define NO_OPTIMIZE 42 */
/* system defines: #define NO_xxxx to 1 if your system doesn't support a
* function
*/
/* for memmove() */
#ifndef NO_MEMMOVE
#define NO_MEMMOVE 0
#endif
/* for vsnprintf()/snprintf() (probably most non-linux systems) */
#ifndef NO_VSNPRINTF
#ifndef linux
#define NO_VSNPRINTF 1
#else
#define NO_VSNPRINTF 0
#endif
#endif
/* for strerror() (eg. some versions of SunOS) */
#ifndef NO_STRERROR
#define NO_STRERROR 0
#endif
/* for strtoul() */
#ifndef NO_STRTOUL
#define NO_STRTOUL 0
#endif
/* #define this if you aren't using gcc (or if __attribute__ isn't supported
* for some other reason)
*/
#ifndef NO_ATTRIBUTE
#define NO_ATTRIBUTE 0
#endif
/* some systems don't have EINTR, #define this if you don't */
#ifndef NO_EINTR
#define NO_EINTR 0
#endif
/* Less tweakable parameters - only change these if you know what they do */
/* number of packets to remember at a time */
#define IMC_MEMORY 256
/* start dropping really old packets based on this figure */
#define IMC_PACKET_LIFETIME 60
/* Maximum reconnect time (seconds) */
#define IMC_MAX_RECONNECT_TIME (90*60)
/* How soon the first reconnect attempt is (seconds) */
#define IMC_MIN_RECONNECT_TIME (2*60)
/* maximum time spent in getting a connection to a remote mud */
#define IMC_LOGIN_TIMEOUT 120
/* time between keepalive broadcasts (seconds) */
#define IMC_KEEPALIVE_TIME 300
/* time before dropping a mud off imclist (seconds) */
#define IMC_KEEPALIVE_TIMEOUT 400
/* time after it drops off imclist before totally forgetting about it (secs) */
#define IMC_DROP_TIMEOUT 600
/* Packet spam thresholds */
/* counter 1
* allow > 1/second for 10s
* after that, clip to 1/second until 10s of <1/s
*/
#define IMC_SPAM1INTERVAL 1
#define IMC_SPAM1MAX 1
#define IMC_SPAM1TIME 10
/* counter 2
* allow > 3/second for 5s
* after that, clip to 3/second until 5s of <3/s
*/
#define IMC_SPAM2INTERVAL 1
#define IMC_SPAM2MAX 3
#define IMC_SPAM2TIME 5
/* This is the protocol version */
#define IMC_VERSION 2
/* This is the code version ID (used in keepalives) */
//#define IMC_VERSIONID "imc2-1.03g hub"
//#define IMC_VERSIONID "imc2-1.03g webcgi"
//#define IMC_VERSIONID "imc2-1.03g circle"
//#define IMC_VERSIONID "imc2-1.03g smaug102"
#define IMC_VERSIONID "imc2-1.03g smaug1.4a"
//#define IMC_VERSIONID "imc2-1.03g ack"
//#define IMC_VERSIONID "imc2-1.03g envy"
//#define IMC_VERSIONID "imc2-1.03g merc"
//#define IMC_VERSIONID "imc2-1.03g rom"
//#define IMC_VERSIONID "imc2-1.03g rot"
/* enable paranoia in packet forwarding (generally a Good Thing) */
#define IMC_PARANOIA
/* time with a small buffer before shrinking it by a factor of 2 */
#define IMC_SHRINKTIME 10
/* min input/output buffer size */
#define IMC_MINBUF 256
/* max input/output buffer size */
#define IMC_MAXBUF 16384
/* Changing these impacts the protocol itself - other muds may drop your
* packets if you get this wrong
*/
/* max length of any packet */
#define IMC_PACKET_LENGTH 16300
/* max length of any mud name */
#define IMC_MNAME_LENGTH 20
/* max length of any player name */
#define IMC_PNAME_LENGTH 40
/* max length of any player@mud name */
#define IMC_NAME_LENGTH (IMC_MNAME_LENGTH+IMC_PNAME_LENGTH+1)
/* max length of a path */
#define IMC_PATH_LENGTH 200
/* max length of a packet type */
#define IMC_TYPE_LENGTH 20
/* max length of a password */
#define IMC_PW_LENGTH 20
/* max length of a data type (estimate) */
#define IMC_DATA_LENGTH (IMC_PACKET_LENGTH-2*IMC_NAME_LENGTH-IMC_PATH_LENGTH-IMC_TYPE_LENGTH-20)
/* max number of data keys in a packet */
#define IMC_MAX_KEYS 20
/* notify central server? */
#define IMC_NOTIFY
/****************************************************************************/
/* handle system-specific #defines */
/* our version of memmove (ugly!) */
#if NO_MEMMOVE
#define memmove(dest,src,size) \
do { \
char *d=(char *)(dest), *s=(char *)(src); \
int sz=(size); \
if (d<s) \
for ( ; sz; --sz) \
*d++=*s++; \
else \
for (s+=sz,d+=sz; sz; --sz) \
*(--d)=*(--s); \
} while(0)
#endif
/* try strtol if we don't have strtoul */
#if NO_STRTOUL
#define strtoul(p,e,b) ((unsigned long)strtol((p),(e),(b)))
#endif
/* fake a strerror if we don't have it - ick */
#if NO_STRERROR
#define strerror(e) \
((e)==ECONNRESET ? "Connection reset by peer" : \
(e)==ENETUNREACH ? "Network unreachable" : \
(e)==ETIMEDOUT ? "Connection timed out" : \
(e)==ECONNREFUSED ? "Connection refused" : \
(e)==EHOSTUNREACH ? "No route to host" : \
"Unknown error")
#endif
/* map vsnprintf to vsprintf if it isn't available (we lose some buffer
* overflow protection in the logging fns, though)
*/
#if NO_VSNPRINTF
#define vsnprintf(buf, len, fmt, ap) vsprintf(buf, fmt, ap)
#endif
/* nuke __attribute__ if it's not supported */
#if NO_ATTRIBUTE
#define __attribute__(x) /*nothing*/
#endif
#endif