a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2016 Luminița Lăzărescu <cluminita.lazarescu@gmail.com>
* 2017 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_shell_commands
* @{
*
* @file
* @brief Prints the real time offset from the system time
*
* @author Luminița Lăzărescu <cluminita.lazarescu@gmail.com>
* @author Martine Lenders <m.lenders@fu-berlin.de>
*/
#include <stdio.h>
#include <time.h>
#include "net/sntp.h"
#include "net/ntp_packet.h"
#include "net/af.h"
#include "net/ipv6/addr.h"
#include "timex.h"
#define _DEFAULT_TIMEOUT (5000U);
static void _usage(char *cmd)
{
printf("Usage: %s <server addr> [<timeout>]\n", cmd);
puts("default: timeout = 5000");
}
int _ntpdate(int argc, char **argv)
{
uint32_t timeout = _DEFAULT_TIMEOUT;
if (argc < 2) {
_usage(argv[0]);
return 1;
}
sock_udp_ep_t server = { .port = NTP_PORT, .family = AF_INET6 };
ipv6_addr_from_str((ipv6_addr_t *)&server.addr, argv[1]);
if (argc > 2) {
timeout = atoi(argv[2]);
}
if (sntp_sync(&server, timeout) < 0) {
puts("Error in synchronization");
return 1;
}
#ifdef MODULE_NEWLIB
struct tm *tm;
time_t time = (time_t)(sntp_get_unix_usec() / US_PER_SEC);
tm = gmtime(&time);
printf("%04i-%02i-%02i %02i:%02i:%02i UTC (%i us)\n",
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
(int)sntp_get_offset());
#else
uint64_t time = sntp_get_unix_usec();
printf("%" PRIu32 ".%" PRIu32 " (%i us)\n",
(uint32_t)(time / US_PER_SEC),
(uint32_t)(time / US_PER_SEC),
(int)sntp_get_offset());
#endif
return 0;
}
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