construct/include/ircd/defaults.h

/*
 *  ircd-ratbox: A slightly useful ircd.
 *  defaults.h: The ircd defaults header.
 *
 *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
 *  Copyright (C) 1996-2002 Hybrid Development Team
 *  Copyright (C) 2002-2004 ircd-ratbox development team
 *
 *  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; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 */

#pragma once
#define HAVE_IRCD_DEFAULTS_H

/* /!\ DANGER WILL ROBINSON! DANGER! /!\
 *
 * Do not mess with these values unless you know what you are doing!
 */

/* The below are used as defaults if not found in the configuration file (or on ircd warm-up).
 * Don't change these - edit the conf file instead.
 */
#ifdef __cplusplus
namespace ircd            {
inline namespace defaults {

constexpr auto CLIENT_FLOOD_DEFAULT = 20;              // default for client_flood
constexpr auto CLIENT_FLOOD_MAX = 2000;
constexpr auto CLIENT_FLOOD_MIN = 10;
constexpr auto LINKS_DELAY_DEFAULT = 300;
constexpr auto MAX_TARGETS_DEFAULT = 4;                // default for max_targets */
constexpr auto IDENT_TIMEOUT_DEFAULT = 5;
constexpr auto BLACKLIST_TIMEOUT_DEFAULT = 10;
constexpr auto OPM_TIMEOUT_DEFAULT = 10;
constexpr auto RDNS_TIMEOUT_DEFAULT = 5;
constexpr auto MIN_JOIN_LEAVE_TIME = 60;
constexpr auto MAX_JOIN_LEAVE_COUNT = 25;
constexpr auto OPER_SPAM_COUNTDOWN = 5;
constexpr auto JOIN_LEAVE_COUNT_EXPIRE_TIME = 120;
constexpr auto MIN_SPAM_NUM = 5;
constexpr auto MIN_SPAM_TIME = 60;
constexpr auto HOSTLEN = 63;                           // Length of hostname.

constexpr auto DEFAULT_SENDQ = 20000000;               // default max SendQ
constexpr auto PORTNUM = 6667;                         // default outgoing portnum
constexpr auto DEFAULT_PINGFREQUENCY = 120;            // Default ping frequency
constexpr auto DEFAULT_CONNECTFREQUENCY = 600;         // Default connect frequency
constexpr auto TS_MAX_DELTA_MIN = 10;                  // min value for ts_max_delta
constexpr auto TS_MAX_DELTA_DEFAULT = 600;             // default for ts_max_delta
constexpr auto TS_WARN_DELTA_MIN = 10;                 // min value for ts_warn_delta
constexpr auto TS_WARN_DELTA_DEFAULT = 30;             // default for ts_warn_delta

constexpr auto IRCD_RES_HOSTLEN = 255;                 // Longest hostname we're willing to work with due to DNSBLs this is more than HOSTLEN.
constexpr auto USERLEN = 10;
constexpr auto REALLEN = 50;                           // real name max length
constexpr auto CHANNELLEN = 200;
constexpr auto LOC_CHANNELLEN = 50;


// reason length of klines, parts, quits etc
/* for quit messages, note that a client exit server notice
 * :012345678901234567890123456789012345678901234567890123456789123 NOTICE * :*** Notice -- Client exiting: 012345678901234567 (0123456789@012345678901234567890123456789012345678901234567890123456789123) [] [1111:2222:3333:4444:5555:6666:7777:8888]
 * takes at most 246 bytes (including CRLF and '\0') and together with the
 * quit reason should fit in 512 */
constexpr auto REASONLEN = 260;                        // kick/part/quit
constexpr auto BANREASONLEN = 390;                     // kline/dline
constexpr auto AWAYLEN = TOPICLEN;
constexpr auto KILLLEN = 200;                          // with Killed (nick ()) added this should fit in quit
constexpr auto MAX_DATE_STRING = 32;                   // maximum string length for a date string
constexpr auto HELPLEN = 400;
constexpr auto OPERNICKLEN = int(NICKLEN) * 2;         // Length of OPERNICKs.
constexpr auto USERHOST_REPLYLEN = int(NICKLEN) + HOSTLEN + USERLEN + 5;

constexpr auto BUFSIZE = 512;                          // WARNING: *DONT* CHANGE THIS!!!!
constexpr auto MAXCONNECTIONS = 65536;                 // default max connections if getrlimit doesn't work
constexpr auto NETWORK_NAME_DEFAULT = "DefaultNet";    // default for network_name


/*
 * message return values
 */
constexpr auto CLIENT_EXITED = -2;
constexpr auto CLIENT_PARSE_ERROR = -1;
constexpr auto CLIENT_OK = 1;

constexpr auto READBUF_SIZE = 16384;                   // Read buffer size */


/* Below are somewhat configurable settings (though it's probably a bad idea
 * to blindly mess with them). If in any doubt, leave them alone.
 */

/* HANGONGOODLINK and HANGONRETRYDELAY
 * Often net breaks for a short time and it's useful to try to
 * establishing the same connection again faster than CONNECTFREQUENCY
 * would allow. But, to keep trying on bad connection, we require
 * that connection has been open for certain minimum time
 * (HANGONGOODLINK) and we give the net few seconds to steady
 * (HANGONRETRYDELAY). This latter has to be long enough that the
 * other end of the connection has time to notice it broke too.
 */
constexpr auto HANGONRETRYDELAY = 60; /* Recommended value: 30-60 seconds */
constexpr auto HANGONGOODLINK = 3600; /* Recommended value: 30-60 minutes */

/* KILLCHASETIMELIMIT -
 * Max time from the nickname change that still causes KILL
 * automatically to switch for the current nick of that user. (seconds)
 */
constexpr auto KILLCHASETIMELIMIT = 90; /* Recommended value: 90 */

/* MAX_BUFFER
 * The amount of fds to reserve for clients exempt from limits
 * and dns lookups.
 */
constexpr auto MAX_BUFFER = 60;

/*
 * Use SOMAXCONN if OS has it, otherwise use this value for the
 * listen(); backlog.  5 for AIX/SUNOS, 25 for other OSs.
 */
#ifndef SOMAXCONN
# define SOMAXCONN 25
#endif

} // namespace defaults
} // namespace ircd
#endif // __cplusplus