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/*
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* Copyright (C) 2000 Ross Combs (rocombs@cs.nmsu.edu)
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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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#define REALM_INTERNAL_ACCESS
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#include "common/setup_before.h"
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#include <stdio.h>
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#ifdef HAVE_STDDEF_H
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# include <stddef.h>
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#else
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# ifndef NULL
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# define NULL ((void *)0)
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# endif
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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#else
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# ifdef HAVE_MALLOC_H
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# include <malloc.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#include "compat/strrchr.h"
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#include "compat/strdup.h"
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#include "compat/strcasecmp.h"
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#include <errno.h>
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#include "compat/strerror.h"
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#include "common/eventlog.h"
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#include "common/list.h"
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#include "common/util.h"
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#include "common/addr.h"
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#include "common/xalloc.h"
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#include "connection.h"
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#include "common/rcm.h"
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#include "realm.h"
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#ifdef HAVE_ASSERT_H
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# include <assert.h>
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#endif
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#include "common/setup_after.h"
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static t_list * realmlist_head=NULL;
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static t_realm * realm_create(char const * name, char const * description, unsigned int ip, unsigned int port);
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static int realm_destroy(t_realm * realm);
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static t_realm * realm_create(char const * name, char const * description, unsigned int ip, unsigned int port)
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{
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t_realm * realm;
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if (!name)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL name");
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return NULL;
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}
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if (!description)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL description");
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return NULL;
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}
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realm = xmalloc(sizeof(t_realm));
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realm->name = NULL;
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realm->description = NULL;
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if (realm_set_name(realm ,name)<0)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"failed to set name for realm");
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xfree(realm);
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return NULL;
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}
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if (realm->description != NULL) xfree((void *)realm->description);
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realm->description = xstrdup(description);
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realm->ip = ip;
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realm->port = port;
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realm->conn = NULL;
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realm->active = 0;
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realm->player_number = 0;
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realm->game_number = 0;
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realm->sessionnum = 0;
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realm->tcp_sock = 0;
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rcm_init(&realm->rcm);
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eventlog(eventlog_level_info,__FUNCTION__,"created realm \"%s\"",name);
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return realm;
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}
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static int realm_destroy(t_realm * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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if (realm->active)
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realm_deactive(realm);
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xfree((void *)realm->name); /* avoid warning */
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xfree((void *)realm->description); /* avoid warning */
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xfree((void *)realm); /* avoid warning */
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return 0;
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}
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extern char const * realm_get_name(t_realm const * realm)
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{
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if (!realm)
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{
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return NULL;
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}
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return realm->name;
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}
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extern int realm_set_name(t_realm * realm, char const * name)
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{
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char const * temp;
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t_realm const * temprealm;
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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if (name && (temprealm=realmlist_find_realm(name)))
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{
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if (temprealm == realm)
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return 0;
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else
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{
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eventlog(eventlog_level_error,__FUNCTION__,"realm %s does already exist in list",name);
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return -1;
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}
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}
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if (name)
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temp=xstrdup(name);
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else
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temp = NULL;
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if (realm->name)
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xfree((void *)realm->name); /* avoid warning */
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realm->name = temp;
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return 0;
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}
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extern char const * realm_get_description(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return NULL;
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}
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return realm->description;
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}
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extern unsigned short realm_get_port(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return 0;
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}
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return realm->port;
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}
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extern unsigned int realm_get_ip(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return 0;
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}
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return realm->ip;
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}
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extern unsigned int realm_get_active(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return 0;
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}
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return realm->active;
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}
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extern int realm_set_active(t_realm * realm, unsigned int active)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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realm->active=active;
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return 0;
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}
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extern unsigned int realm_get_player_number(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return 0;
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}
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return realm->player_number;
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}
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extern int realm_add_player_number(t_realm * realm, int number)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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realm->player_number += number;
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return 0;
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}
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extern unsigned int realm_get_game_number(t_realm const * realm)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return 0;
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}
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return realm->game_number;
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}
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extern int realm_add_game_number(t_realm * realm, int number)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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realm->game_number += number;
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return 0;
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}
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extern int realm_active(t_realm * realm, t_connection * c)
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{
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if (!realm)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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return -1;
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}
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if (!c)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"got NULL connection");
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return -1;
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}
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if (realm->active)
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{
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eventlog(eventlog_level_debug,__FUNCTION__, "realm %s is already actived,destroy previous one",realm->name);
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realm_deactive(realm);
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}
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realm->active=1;
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realm->conn=c;
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conn_set_realm(c,realm);
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realm->sessionnum=conn_get_sessionnum(c);
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realm->tcp_sock=conn_get_socket(c);
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eventlog(eventlog_level_info,__FUNCTION__, "realm %s actived",realm->name);
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return 0;
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}
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| 294 |
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| 295 |
extern int realm_deactive(t_realm * realm)
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{
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| 297 |
t_connection * c;
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| 298 |
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| 299 |
if (!realm)
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| 300 |
{
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| 301 |
eventlog(eventlog_level_error,__FUNCTION__,"got NULL realm");
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| 302 |
return -1;
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| 303 |
}
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| 304 |
if (!realm->active)
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| 305 |
{
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| 306 |
eventlog(eventlog_level_error,__FUNCTION__,"realm %s is not actived",realm->name);
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| 307 |
return -1;
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| 308 |
}
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| 309 |
if ((c = realm_get_conn(realm)))
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| 310 |
conn_set_state(c,conn_state_destroy);
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| 311 |
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| 312 |
realm->active=0;
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| 313 |
realm->sessionnum=0;
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| 314 |
realm->tcp_sock=0;
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| 315 |
/*
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| 316 |
realm->player_number=0;
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| 317 |
realm->game_number=0;
|
| 318 |
*/
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| 319 |
eventlog(eventlog_level_info,__FUNCTION__, "realm %s deactived",realm->name);
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| 320 |
return 0;
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| 321 |
}
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| 322 |
|
| 323 |
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| 324 |
t_list * realmlist_load(char const * filename)
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| 325 |
{
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| 326 |
FILE * fp;
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| 327 |
unsigned int line;
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| 328 |
unsigned int pos;
|
| 329 |
unsigned int len;
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| 330 |
t_addr * raddr;
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| 331 |
char * temp, *temp2;
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| 332 |
char * buff;
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| 333 |
char * name;
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| 334 |
char * desc;
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| 335 |
t_realm * realm;
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| 336 |
t_list * list_head = NULL;
|
| 337 |
|
| 338 |
if (!filename)
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| 339 |
{
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| 340 |
eventlog(eventlog_level_error,__FUNCTION__,"got NULL filename");
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| 341 |
return NULL;
|
| 342 |
}
|
| 343 |
|
| 344 |
if (!(fp = fopen(filename,"r")))
|
| 345 |
{
|
| 346 |
eventlog(eventlog_level_error,__FUNCTION__,"could not open realm file \"%s\" for reading (fopen: %s)",filename,pstrerror(errno));
|
| 347 |
return NULL;
|
| 348 |
}
|
| 349 |
|
| 350 |
list_head = list_create();
|
| 351 |
|
| 352 |
for (line=1; (buff = file_get_line(fp)); line++)
|
| 353 |
{
|
| 354 |
for (pos=0; buff[pos]=='\t' || buff[pos]==' '; pos++);
|
| 355 |
if (buff[pos]=='\0' || buff[pos]=='#')
|
| 356 |
{
|
| 357 |
continue;
|
| 358 |
}
|
| 359 |
if ((temp = strrchr(buff,'#')))
|
| 360 |
{
|
| 361 |
unsigned int endpos;
|
| 362 |
|
| 363 |
*temp = '\0';
|
| 364 |
len = strlen(buff)+1;
|
| 365 |
for (endpos=len-1; buff[endpos]=='\t' || buff[endpos]==' '; endpos--);
|
| 366 |
buff[endpos+1] = '\0';
|
| 367 |
}
|
| 368 |
|
| 369 |
/* skip any separators */
|
| 370 |
for (temp = buff; *temp && (*temp == ' ' || *temp == '\t');temp++);
|
| 371 |
if (*temp != '"') {
|
| 372 |
eventlog(eventlog_level_error,__FUNCTION__,"malformed line %u in file \"%s\" (no realmname)",line,filename);
|
| 373 |
continue;
|
| 374 |
}
|
| 375 |
|
| 376 |
temp2 = temp + 1;
|
| 377 |
/* find the next " */
|
| 378 |
for (temp = temp2; *temp && *temp != '"';temp++);
|
| 379 |
if (*temp != '"' || temp == temp2) {
|
| 380 |
eventlog(eventlog_level_error,__FUNCTION__,"malformed line %u in file \"%s\" (no realmname)",line,filename);
|
| 381 |
continue;
|
| 382 |
}
|
| 383 |
|
| 384 |
/* save the realmname */
|
| 385 |
*temp = '\0';
|
| 386 |
name = xstrdup(temp2);
|
| 387 |
|
| 388 |
/* eventlog(eventlog_level_trace, __FUNCTION__,"found realmname: %s",name); */
|
| 389 |
|
| 390 |
/* skip any separators */
|
| 391 |
for(temp = temp + 1; *temp && (*temp == '\t' || *temp == ' ');temp++);
|
| 392 |
|
| 393 |
if (*temp == '"') { /* we have realm description */
|
| 394 |
temp2 = temp + 1;
|
| 395 |
/* find the next " */
|
| 396 |
for(temp = temp2;*temp && *temp != '"';temp++);
|
| 397 |
if (*temp != '"' || temp == temp2) {
|
| 398 |
eventlog(eventlog_level_error,__FUNCTION__,"malformed line %u in file \"%s\" (no valid description)",line,filename);
|
| 399 |
xfree(name);
|
| 400 |
continue;
|
| 401 |
}
|
| 402 |
|
| 403 |
/* save the description */
|
| 404 |
*temp = '\0';
|
| 405 |
desc = xstrdup(temp2);
|
| 406 |
|
| 407 |
/* eventlog(eventlog_level_trace, __FUNCTION__,"found realm desc: %s",desc); */
|
| 408 |
|
| 409 |
/* skip any separators */
|
| 410 |
for(temp = temp + 1; *temp && (*temp == ' ' || *temp == '\t');temp++);
|
| 411 |
} else desc = xstrdup("\0");
|
| 412 |
|
| 413 |
temp2 = temp;
|
| 414 |
/* find out where address ends */
|
| 415 |
for(temp = temp2 + 1; *temp && *temp != ' ' && *temp != '\t';temp++);
|
| 416 |
|
| 417 |
if (*temp) *temp++ = '\0'; /* if is not the end of the file, end addr and move forward */
|
| 418 |
|
| 419 |
/* eventlog(eventlog_level_trace, __FUNCTION__,"found realm ip: %s",temp2); */
|
| 420 |
|
| 421 |
if (!(raddr = addr_create_str(temp2,0,BNETD_REALM_PORT))) /* 0 means "this computer" */ {
|
| 422 |
eventlog(eventlog_level_error,__FUNCTION__,"invalid address value for field 3 on line %u in file \"%s\"",line,filename);
|
| 423 |
xfree(name);
|
| 424 |
xfree(desc);
|
| 425 |
continue;
|
| 426 |
}
|
| 427 |
|
| 428 |
if (!(realm = realm_create(name,desc,addr_get_ip(raddr),addr_get_port(raddr))))
|
| 429 |
{
|
| 430 |
eventlog(eventlog_level_error,__FUNCTION__,"could not create realm");
|
| 431 |
addr_destroy(raddr);
|
| 432 |
xfree(name);
|
| 433 |
xfree(desc);
|
| 434 |
continue;
|
| 435 |
}
|
| 436 |
|
| 437 |
addr_destroy(raddr);
|
| 438 |
xfree(name);
|
| 439 |
xfree(desc);
|
| 440 |
|
| 441 |
list_prepend_data(list_head,realm);
|
| 442 |
}
|
| 443 |
file_get_line(NULL); // clear file_get_line buffer
|
| 444 |
if (fclose(fp)<0)
|
| 445 |
eventlog(eventlog_level_error,__FUNCTION__,"could not close realm file \"%s\" after reading (fclose: %s)",filename,pstrerror(errno));
|
| 446 |
return list_head;
|
| 447 |
}
|
| 448 |
|
| 449 |
extern int realmlist_reload(char const * filename)
|
| 450 |
{
|
| 451 |
t_elem * new_curr;
|
| 452 |
t_elem * old_curr;
|
| 453 |
t_realm * new_realm;
|
| 454 |
t_realm * old_realm;
|
| 455 |
int match;
|
| 456 |
t_list * newlist = NULL;
|
| 457 |
t_list * oldlist = realmlist_head;
|
| 458 |
|
| 459 |
realmlist_head = NULL;
|
| 460 |
|
| 461 |
if (!(newlist = realmlist_load(filename)))
|
| 462 |
return -1;
|
| 463 |
|
| 464 |
LIST_TRAVERSE(oldlist,old_curr)
|
| 465 |
{
|
| 466 |
if (!(old_realm = elem_get_data(old_curr)))
|
| 467 |
{
|
| 468 |
eventlog(eventlog_level_error,__FUNCTION__,"found NULL elem in list");
|
| 469 |
continue;
|
| 470 |
}
|
| 471 |
|
| 472 |
match = 0;
|
| 473 |
|
| 474 |
LIST_TRAVERSE(newlist,new_curr)
|
| 475 |
{
|
| 476 |
if (!(new_realm = elem_get_data(new_curr)))
|
| 477 |
{
|
| 478 |
eventlog(eventlog_level_error,__FUNCTION__,"found NULL elem in list");
|
| 479 |
continue;
|
| 480 |
}
|
| 481 |
|
| 482 |
if (!strcmp(old_realm->name,new_realm->name))
|
| 483 |
{
|
| 484 |
match = 1;
|
| 485 |
rcm_chref(&old_realm->rcm,new_realm);
|
| 486 |
|
| 487 |
break;
|
| 488 |
}
|
| 489 |
|
| 490 |
}
|
| 491 |
if (!match)
|
| 492 |
rcm_chref(&old_realm->rcm,NULL);
|
| 493 |
|
| 494 |
realm_destroy(old_realm);
|
| 495 |
list_remove_elem(oldlist,&old_curr);
|
| 496 |
}
|
| 497 |
|
| 498 |
list_destroy(oldlist);
|
| 499 |
|
| 500 |
realmlist_head = newlist;
|
| 501 |
|
| 502 |
return 0;
|
| 503 |
}
|
| 504 |
|
| 505 |
extern int realmlist_create(char const * filename)
|
| 506 |
{
|
| 507 |
if (!(realmlist_head = realmlist_load(filename)))
|
| 508 |
return -1;
|
| 509 |
|
| 510 |
return 0;
|
| 511 |
|
| 512 |
}
|
| 513 |
|
| 514 |
extern int realmlist_unload(t_list * list_head)
|
| 515 |
{
|
| 516 |
t_elem * curr;
|
| 517 |
t_realm * realm;
|
| 518 |
|
| 519 |
if (list_head)
|
| 520 |
{
|
| 521 |
LIST_TRAVERSE(list_head,curr)
|
| 522 |
{
|
| 523 |
if (!(realm = elem_get_data(curr)))
|
| 524 |
eventlog(eventlog_level_error,__FUNCTION__,"found NULL realm in list");
|
| 525 |
else
|
| 526 |
realm_destroy(realm);
|
| 527 |
|
| 528 |
list_remove_elem(list_head,&curr);
|
| 529 |
}
|
| 530 |
list_destroy(list_head);
|
| 531 |
}
|
| 532 |
|
| 533 |
return 0;
|
| 534 |
}
|
| 535 |
|
| 536 |
extern int realmlist_destroy()
|
| 537 |
{
|
| 538 |
int res;
|
| 539 |
|
| 540 |
res = realmlist_unload(realmlist_head);
|
| 541 |
realmlist_head = NULL;
|
| 542 |
|
| 543 |
return res;
|
| 544 |
}
|
| 545 |
|
| 546 |
extern t_list * realmlist(void)
|
| 547 |
{
|
| 548 |
return realmlist_head;
|
| 549 |
}
|
| 550 |
|
| 551 |
|
| 552 |
extern t_realm * realmlist_find_realm(char const * realmname)
|
| 553 |
{
|
| 554 |
t_elem const * curr;
|
| 555 |
t_realm * realm;
|
| 556 |
|
| 557 |
if (!realmname)
|
| 558 |
{
|
| 559 |
eventlog(eventlog_level_error,__FUNCTION__,"got NULL realmname");
|
| 560 |
return NULL;
|
| 561 |
}
|
| 562 |
|
| 563 |
LIST_TRAVERSE_CONST(realmlist_head,curr)
|
| 564 |
{
|
| 565 |
realm = elem_get_data(curr);
|
| 566 |
if (strcasecmp(realm->name,realmname)==0)
|
| 567 |
return realm;
|
| 568 |
}
|
| 569 |
|
| 570 |
return NULL;
|
| 571 |
}
|
| 572 |
|
| 573 |
extern t_realm * realmlist_find_realm_by_ip(unsigned long ip)
|
| 574 |
{
|
| 575 |
t_elem const * curr;
|
| 576 |
t_realm * realm;
|
| 577 |
|
| 578 |
LIST_TRAVERSE_CONST(realmlist_head,curr)
|
| 579 |
{
|
| 580 |
realm = elem_get_data(curr);
|
| 581 |
if (realm->ip==ip)
|
| 582 |
return realm;
|
| 583 |
}
|
| 584 |
return NULL;
|
| 585 |
}
|
| 586 |
|
| 587 |
extern t_connection * realm_get_conn(t_realm * realm)
|
| 588 |
{
|
| 589 |
assert(realm);
|
| 590 |
|
| 591 |
return realm->conn;
|
| 592 |
}
|
| 593 |
|
| 594 |
extern t_realm * realm_get(t_realm * realm, t_rcm_regref * regref)
|
| 595 |
{
|
| 596 |
rcm_get(&realm->rcm,regref);
|
| 597 |
return realm;
|
| 598 |
}
|
| 599 |
|
| 600 |
extern void realm_put(t_realm * realm, t_rcm_regref * regref)
|
| 601 |
{
|
| 602 |
rcm_put(&realm->rcm,regref);
|
| 603 |
}
|
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