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defs.h
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defs.h
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/*
* Copyright (c) 2005 The DragonFly Project. All rights reserved.
*
* This code is derived from software contributed to The DragonFly Project
* by Matthew Dillon <dillon@backplane.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of The DragonFly Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific, prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $DragonFly: src/usr.sbin/dntpd/defs.h,v 1.11 2007/06/26 02:40:20 dillon Exp $
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <fcntl.h>
#include <limits.h>
#include <errno.h>
#include <assert.h>
#include <math.h>
#include <syslog.h>
#include "ntp.h"
#include "client.h"
#define DNTPD_VERSION "1.0"
#define logdebug(level, ctl, varargs...) \
if (level <= debug_level) _logdebug(level, ctl, ##varargs);
#define logdebuginfo(info, level, ctl, varargs...) \
if (level <= debug_level) _logdebuginfo(info, level, ctl, ##varargs);
extern int debug_opt;
extern int debug_level;
extern int quickset_opt;
extern int no_update_opt;
extern int min_sleep_opt;
extern int nom_sleep_opt;
extern int max_sleep_opt;
extern int log_stderr;
extern int family;
extern double insane_deviation;
typedef enum { LOG_DNS_ERROR, IGNORE_DNS_ERROR } dns_error_policy_t;
int udp_socket(const char *target, int port, struct sockaddr *sam,
dns_error_policy_t dns_error_policy);
int udp_ntptimereq(int fd, struct timeval *rtvp,
struct timeval *ltvp, struct timeval *lbtvp);
void reconnect_server(server_info_t info);
void disconnect_server(server_info_t info);
void l_fixedpt_to_tv(struct l_fixedpt *fixed, struct timeval *tvp);
void tv_subtract_micro(struct timeval *tvp, long usec);
void tv_add_micro(struct timeval *tvp, long usec);
void tv_add_offset(struct timeval *tvp, double offset);
double tv_delta_double(struct timeval *tv1, struct timeval *tv2);
void tv_to_ts(struct timeval *tv, struct timespec *ts);
void ts_to_tv(struct timespec *ts, struct timeval *tv);
void logerr(const char *ctl, ...) __printflike(1, 2);
void logerrstr(const char *ctl, ...) __printflike(1, 2);
void _logdebug(int level, const char *ctl, ...) __printflike(2, 3);
void _logdebuginfo(server_info_t info, int level, const char *ctl, ...)
__printflike(3, 4);
void sysntp_getbasetime(struct timeval *tvp);
int sysntp_offset_correction_is_running(void);
double sysntp_correct_offset(double offset);
double sysntp_correct_course_offset(double offset);
void sysntp_correct_freq(double freq);
void sysntp_clear_alternative_corrections(void);