X-Git-Url: http://git.pk910.de/?p=ircu2.10.12-pk.git;a=blobdiff_plain;f=include%2Fwhowas.h;fp=include%2Fwhowas.h;h=6f3eae182d2fd55ac9d0e97b47ad9c7708c803ed;hp=0000000000000000000000000000000000000000;hb=0400a5a6479398d82526785c18c0df8bc8b92dce;hpb=d17e10da972ce5776c60b4c317267c6abe0e1ead diff --git a/include/whowas.h b/include/whowas.h new file mode 100644 index 0000000..6f3eae1 --- /dev/null +++ b/include/whowas.h @@ -0,0 +1,83 @@ +/* + * IRC - Internet Relay Chat, include/whowas.h + * Copyright (C) 1990 Markku Savela + * + * 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ +/** @file + * @brief Globally visible declarations to manipulate whowas information. + * @version $Id$ + */ +#ifndef INCLUDED_whowas_h +#define INCLUDED_whowas_h +#ifndef INCLUDED_sys_types_h +#include /* size_t */ +#define INCLUDED_sys_types_h +#endif + +struct Client; + +/* + * General defines + */ + +#define BITS_PER_COL 3 /**< Magic number used by whowas hash function. */ +#define BITS_PER_COL_MASK 0x7 /**< Mask with #BITS_PER_COL least significant bits set. */ +#define WW_MAX_INITIAL 16 /**< Magic number used by whowas hash function. */ + +#define MAX_SUB (1 << BITS_PER_COL) /**< Magic number used by whowas hash function. */ +#define WW_MAX_INITIAL_MASK (WW_MAX_INITIAL - 1) /**< Magic number used by whowas hash function. */ +#define WW_MAX (WW_MAX_INITIAL * MAX_SUB) /**< Size of whowas hash table. */ + +/* + * Structures + */ + +/** Tracks previously used nicknames. */ +struct Whowas { + unsigned int hashv; /**< Hash value for nickname. */ + char *name; /**< Client's old nickname. */ + char *username; /**< Client's username. */ + char *hostname; /**< Client's hostname. */ + char *realhost; /**< Client's real hostname. */ + char *servername; /**< Name of client's server. */ + char *realname; /**< Client's realname (user info). */ + char *away; /**< Client's away message. */ + time_t logoff; /**< When the client logged off. */ + struct Client *online; /**< Needed for get_history() (nick chasing). */ + struct Whowas *hnext; /**< Next entry with the same hash value. */ + struct Whowas **hprevnextp; /**< Pointer to previous next pointer. */ + struct Whowas *cnext; /**< Next entry with the same 'online' pointer. */ + struct Whowas **cprevnextp; /**< Pointer to previous next pointer. */ + struct Whowas *wnext; /**< Next entry in whowas linked list. */ + struct Whowas *wprev; /**< Pointer to previous next pointer. */ +}; + +/* + * Proto types + */ +extern struct Whowas* whowashash[]; + +extern unsigned int hash_whowas_name(const char *name); + +extern struct Client *get_history(const char *nick, time_t timelimit); +extern void add_history(struct Client *cptr, int still_on); +extern void off_history(const struct Client *cptr); +extern void initwhowas(void); +extern void count_whowas_memory(int *wwu, size_t *wwm, int *wwa, size_t *wwam); + +extern void whowas_realloc(void); + +#endif /* INCLUDED_whowas_h */