timesyncd-conf.h
timesyncd-manager.c
timesyncd-manager.h
+ timesyncd-ntp-message.h
timesyncd-server.c
timesyncd-server.h
'''.split())
return sd_bus_message_close_container(reply);
}
+static usec_t ntp_ts_short_to_usec(const struct ntp_ts_short *ts) {
+ return be16toh(ts->sec) * USEC_PER_SEC + (be16toh(ts->frac) * USEC_PER_SEC) / (usec_t) 0x10000ULL;
+}
+
+static usec_t ntp_ts_to_usec(const struct ntp_ts *ts) {
+ return (be32toh(ts->sec) - OFFSET_1900_1970) * USEC_PER_SEC + (be32toh(ts->frac) * USEC_PER_SEC) / (usec_t) 0x100000000ULL;
+}
+
+static int property_get_ntp_message(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
+ int r;
+
+ assert(m);
+ assert(reply);
+
+ r = sd_bus_message_open_container(reply, 'r', "uuuuittayttttbtt");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "uuuuitt",
+ NTP_FIELD_LEAP(m->ntpmsg.field),
+ NTP_FIELD_VERSION(m->ntpmsg.field),
+ NTP_FIELD_MODE(m->ntpmsg.field),
+ m->ntpmsg.stratum,
+ m->ntpmsg.precision,
+ ntp_ts_short_to_usec(&m->ntpmsg.root_delay),
+ ntp_ts_short_to_usec(&m->ntpmsg.root_dispersion));
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_array(reply, 'y', m->ntpmsg.refid, 4);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "ttttbtt",
+ timespec_load(&m->origin_time),
+ ntp_ts_to_usec(&m->ntpmsg.recv_time),
+ ntp_ts_to_usec(&m->ntpmsg.trans_time),
+ timespec_load(&m->dest_time),
+ m->spike,
+ m->packet_count,
+ (usec_t) (m->samples_jitter * USEC_PER_SEC));
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_close_container(reply);
+}
+
static const sd_bus_vtable manager_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("PollIntervalMinUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_min_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PollIntervalMaxUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_max_usec), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("PollIntervalUSec", "t", bus_property_get_usec, offsetof(Manager, poll_interval_usec), 0),
+ SD_BUS_PROPERTY("NTPMessage", "(uuuuittayttttbtt)", property_get_ntp_message, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Frequency", "x", NULL, offsetof(Manager, drift_freq), 0),
SD_BUS_VTABLE_END
};
#include "network-util.h"
#include "ratelimit.h"
#include "socket-util.h"
-#include "sparse-endian.h"
#include "string-util.h"
#include "strv.h"
#include "time-util.h"
*/
#define NTP_MAX_ADJUST 0.4
-/* NTP protocol, packet header */
-#define NTP_LEAP_PLUSSEC 1
-#define NTP_LEAP_MINUSSEC 2
-#define NTP_LEAP_NOTINSYNC 3
-#define NTP_MODE_CLIENT 3
-#define NTP_MODE_SERVER 4
-#define NTP_FIELD_LEAP(f) (((f) >> 6) & 3)
-#define NTP_FIELD_VERSION(f) (((f) >> 3) & 7)
-#define NTP_FIELD_MODE(f) ((f) & 7)
-#define NTP_FIELD(l, v, m) (((l) << 6) | ((v) << 3) | (m))
-
/* Default of maximum acceptable root distance in microseconds. */
#define NTP_MAX_ROOT_DISTANCE (5 * USEC_PER_SEC)
/* Maximum number of missed replies before selecting another source. */
#define NTP_MAX_MISSED_REPLIES 2
-/*
- * "NTP timestamps are represented as a 64-bit unsigned fixed-point number,
- * in seconds relative to 0h on 1 January 1900."
- */
-#define OFFSET_1900_1970 UINT64_C(2208988800)
-
#define RETRY_USEC (30*USEC_PER_SEC)
#define RATELIMIT_INTERVAL_USEC (10*USEC_PER_SEC)
#define RATELIMIT_BURST 10
#define TIMEOUT_USEC (10*USEC_PER_SEC)
-struct ntp_ts {
- be32_t sec;
- be32_t frac;
-} _packed_;
-
-struct ntp_ts_short {
- be16_t sec;
- be16_t frac;
-} _packed_;
-
-struct ntp_msg {
- uint8_t field;
- uint8_t stratum;
- int8_t poll;
- int8_t precision;
- struct ntp_ts_short root_delay;
- struct ntp_ts_short root_dispersion;
- char refid[4];
- struct ntp_ts reference_time;
- struct ntp_ts origin_time;
- struct ntp_ts recv_time;
- struct ntp_ts trans_time;
-} _packed_;
-
static int manager_arm_timer(Manager *m, usec_t next);
static int manager_clock_watch_setup(Manager *m);
static int manager_listen_setup(Manager *m);
(void) touch("/var/lib/systemd/timesync/clock");
(void) touch("/run/systemd/timesync/synchronized");
- m->drift_ppm = tmx.freq / 65536;
+ m->drift_freq = tmx.freq;
log_debug(" status : %04i %s\n"
" time now : %"PRI_TIME".%03"PRI_USEC"\n"
" constant : %"PRI_TIMEX"\n"
" offset : %+.3f sec\n"
- " freq offset : %+"PRI_TIMEX" (%i ppm)\n",
+ " freq offset : %+"PRI_TIMEX" (%+"PRI_TIMEX" ppm)\n",
tmx.status, tmx.status & STA_UNSYNC ? "unsync" : "sync",
tmx.time.tv_sec, tmx.time.tv_usec / NSEC_PER_MSEC,
tmx.constant,
(double)tmx.offset / NSEC_PER_SEC,
- tmx.freq, m->drift_ppm);
+ tmx.freq, tmx.freq / 65536);
return 0;
}
log_error_errno(r, "Failed to call clock_adjtime(): %m");
}
- log_debug("interval/delta/delay/jitter/drift " USEC_FMT "s/%+.3fs/%.3fs/%.3fs/%+ippm%s",
- m->poll_interval_usec / USEC_PER_SEC, offset, delay, m->samples_jitter, m->drift_ppm,
+ /* Save NTP response */
+ m->ntpmsg = ntpmsg;
+ m->origin_time = m->trans_time;
+ m->dest_time = *recv_time;
+ m->spike = spike;
+
+ log_debug("interval/delta/delay/jitter/drift " USEC_FMT "s/%+.3fs/%.3fs/%.3fs/%+"PRI_TIMEX"ppm%s",
+ m->poll_interval_usec / USEC_PER_SEC, offset, delay, m->samples_jitter, m->drift_freq / 65536,
spike ? " (ignored)" : "");
+ (void) sd_bus_emit_properties_changed(m->bus, "/org/freedesktop/timesync1", "org.freedesktop.timesync1.Manager", "NTPMessage", NULL);
+
if (!m->good) {
_cleanup_free_ char *pretty = NULL;
Copyright 2014 Kay Sievers, Lennart Poettering
***/
+#include <sys/timex.h>
+
#include "sd-bus.h"
#include "sd-event.h"
#include "sd-network.h"
#include "list.h"
#include "ratelimit.h"
#include "time-util.h"
+#include "timesyncd-ntp-message.h"
typedef struct Manager Manager;
/* last change */
bool jumped;
bool sync;
- int drift_ppm;
+ long drift_freq;
/* watch for time changes */
sd_event_source *event_clock_watch;
/* RTC runs in local time, leave it alone */
bool rtc_local_time;
+
+ /* NTP response */
+ struct ntp_msg ntpmsg;
+ struct timespec origin_time, dest_time;
+ bool spike;
};
int manager_new(Manager **ret);
--- /dev/null
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include "sparse-endian.h"
+
+/* NTP protocol, packet header */
+#define NTP_LEAP_PLUSSEC 1
+#define NTP_LEAP_MINUSSEC 2
+#define NTP_LEAP_NOTINSYNC 3
+#define NTP_MODE_CLIENT 3
+#define NTP_MODE_SERVER 4
+#define NTP_FIELD_LEAP(f) (((f) >> 6) & 3)
+#define NTP_FIELD_VERSION(f) (((f) >> 3) & 7)
+#define NTP_FIELD_MODE(f) ((f) & 7)
+#define NTP_FIELD(l, v, m) (((l) << 6) | ((v) << 3) | (m))
+
+/*
+ * "NTP timestamps are represented as a 64-bit unsigned fixed-point number,
+ * in seconds relative to 0h on 1 January 1900."
+ */
+#define OFFSET_1900_1970 UINT64_C(2208988800)
+
+struct ntp_ts {
+ be32_t sec;
+ be32_t frac;
+} _packed_;
+
+struct ntp_ts_short {
+ be16_t sec;
+ be16_t frac;
+} _packed_;
+
+struct ntp_msg {
+ uint8_t field;
+ uint8_t stratum;
+ int8_t poll;
+ int8_t precision;
+ struct ntp_ts_short root_delay;
+ struct ntp_ts_short root_dispersion;
+ char refid[4];
+ struct ntp_ts reference_time;
+ struct ntp_ts origin_time;
+ struct ntp_ts recv_time;
+ struct ntp_ts trans_time;
+} _packed_;