135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
/*-
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* Copyright (c) 2014 Poul-Henning Kamp
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Client main function
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* ====================
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*
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* Steer system time based on NTP servers
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*
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*/
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include "atimed.h"
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#include "ntimed.h"
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#include "ntp.h"
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#include "udp.h"
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#define PARAM_CLIENT PARAM_INSTANCE
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#define PARAM_TABLE_NAME client_param_table
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#include "param_instance.h"
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#undef PARAM_TABLE_NAME
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#undef PARAM_CLIENT
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static volatile sig_atomic_t restart = 1;
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static void
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sig_hup(int siginfo)
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{
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(void)signal(SIGHUP, sig_hup);
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(void)siginfo;
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restart = 1;
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}
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int
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main_client(int argc, char *const *argv)
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{
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int ch;
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struct ntp_peer *np;
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struct ntp_peerset *nps;
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struct todolist *tdl;
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struct combine_delta *cd;
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struct udp_socket *usc;
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int npeer = 0;
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//setbuf(stdout, NULL);
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//setbuf(stderr, NULL);
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tdl = TODO_NewList();
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Time_Amiga(tdl);
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PLL_Init();
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nps = NTP_PeerSet_New(NULL);
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Param_Register(client_param_table);
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NF_Init();
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while ((ch = getopt(argc, argv, "p:t:")) != -1) {
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switch(ch) {
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case 'p':
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Param_Tweak(NULL, optarg);
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break;
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case 't':
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ArgTracefile(optarg);
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break;
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default:
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Fail(NULL, 0,
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"Usage %s [-p param] [-t tracefile] servers...",
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argv[0]);
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break;
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}
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}
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argc -= optind;
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argv += optind;
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for (ch = 0; ch < argc; ch++)
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npeer += NTP_PeerSet_Add(NULL, nps, argv[ch]);
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if (npeer == 0)
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Fail(NULL, 0, "No NTP peers found");
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Put(NULL, OCX_TRACE, "# NTIMED Format client 1.0\n");
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Put(NULL, OCX_TRACE, "# Found %d peers\n", npeer);
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Param_Report(NULL, OCX_TRACE);
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usc = UdpTimedSocket(NULL);
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if (usc == NULL)
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Fail(NULL, errno, "Could not open UDP socket");
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cd = CD_New();
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NTP_PeerSet_Foreach(np, nps) {
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NF_New(np);
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np->combiner = CD_AddSource(cd, np->hostname, np->ip);
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}
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do {
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if (restart) {
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Debug(NULL, "RESTART\n");
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TB_generation++;
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NTP_PeerSet_Poll(NULL, nps, usc, tdl);
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restart = 0;
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}
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(void)signal(SIGHUP, sig_hup);
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(void)TODO_Run(NULL, tdl);
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} while (restart);
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return (0);
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}
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