69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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/* servers.h - manage a set of dns servers
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Copyright (C) 2000 Thomas Moestl
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Copyright (C) 2002, 2003, 2004, 2005 Paul A. Rombouts
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This file is part of the pdnsd package.
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pdnsd 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 3 of the License, or
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(at your option) any later version.
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pdnsd 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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You should have received a copy of the GNU General Public License
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along with pdnsd; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>.
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*/
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#ifndef _SERVERS_H_
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#define _SERVERS_H_
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#include <config.h>
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#include "consts.h"
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/* Number of ping timeouts before we take a server offline. */
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#define PINGREPEAT 2
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extern pthread_t servstat_thrid;
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extern volatile int signal_interrupt;
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int start_servstat_thread(void);
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void sched_server_test(pdnsd_a *sa, int nadr, int up);
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int mark_servers(int i, char* label, int up);
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void test_onquery(void);
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void lock_server_data();
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void unlock_server_data();
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int exclusive_lock_server_data(int tm);
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void exclusive_unlock_server_data(int retest);
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int change_servers(int i, addr_array ar, int up);
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inline static int needs_testing(servparm_t *sp)
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__attribute__((always_inline));
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inline static int needs_testing(servparm_t *sp)
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{
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return ((sp->interval>0 || sp->interval==-2) && (sp->uptest!=C_NONE || sp->scheme[0]));
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}
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inline static int needs_intermittent_testing(servparm_t *sp)
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__attribute__((always_inline));
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inline static int needs_intermittent_testing(servparm_t *sp)
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{
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return (sp->interval>0 && (sp->uptest!=C_NONE || sp->scheme[0]));
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}
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inline static int is_interrupted_servstat_thread()
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__attribute__((always_inline));
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inline static int is_interrupted_servstat_thread()
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{
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return (signal_interrupt && pthread_equal(pthread_self(),servstat_thrid));
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}
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#endif
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