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https://github.com/unrealircd/unrealircd.git
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stskeeps
7601cbcf12
throttling is to reconnect way too fast repeatedly. Thanks to [Real] for the idea
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/************************************************************************
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* Unreal Internet Relay Chat Daemon, include/hash.h
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* Copyright (C) 1991 Darren Reed
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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#ifndef __hash_include__
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#define __hash_include__
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typedef struct hashentry {
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int hits;
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int links;
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void *list;
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} aHashEntry;
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/* Taner had BITS_PER_COL 4 BITS_PER_COL_MASK 0xF - Dianora */
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#define BITS_PER_COL 3
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#define BITS_PER_COL_MASK 0x7
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#define MAX_SUB (1<<BITS_PER_COL)
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/* Client hash table
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* used in hash.c
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*/
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#define U_MAX_INITIAL 2048
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#define U_MAX_INITIAL_MASK (U_MAX_INITIAL-1)
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#define U_MAX (U_MAX_INITIAL*MAX_SUB)
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/* Channel hash table
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* used in hash.c
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*/
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#define CH_MAX_INITIAL 2048
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#define CH_MAX_INITIAL_MASK (CH_MAX_INITIAL-1)
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#define CH_MAX (CH_MAX_INITIAL*MAX_SUB)
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/* Who was hash table
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* used in whowas.c
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*/
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#define WW_MAX_INITIAL 16
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#define WW_MAX_INITIAL_MASK (WW_MAX_INITIAL-1)
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#define WW_MAX (WW_MAX_INITIAL*MAX_SUB)
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#define WATCHHASHSIZE 10007 /* prime number */
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/*
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* Throttling
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*/
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#ifdef THROTTLING
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#define THROTTLING_HASH_SIZE 1024
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struct ThrottlingBucket
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{
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struct ThrottlingBucket *next, *prev;
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struct IN_ADDR in;
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time_t since;
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};
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void init_throttling_hash();
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int hash_throttling(struct IN_ADDR *in);
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struct ThrottlingBucket *find_throttling_bucket(struct IN_ADDR *in);
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void add_throttling_bucket(struct IN_ADDR *in);
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void del_throttling_bucket(struct ThrottlingBucket *bucket);
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int throttle_can_connect(struct IN_ADDR *in);
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#endif
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#define NullChn ((aChannel *)0)
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#define find_channel hash_find_channel
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#endif /* __hash_include__ */
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