diff options
Diffstat (limited to 'src/timesync/timesyncd.c')
-rw-r--r-- | src/timesync/timesyncd.c | 70 |
1 files changed, 46 insertions, 24 deletions
diff --git a/src/timesync/timesyncd.c b/src/timesync/timesyncd.c index fa9671da1d..f2206cc2ac 100644 --- a/src/timesync/timesyncd.c +++ b/src/timesync/timesyncd.c @@ -90,6 +90,8 @@ #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; @@ -145,6 +147,7 @@ struct Manager { ServerAddress *current_server_address; int server_socket; uint64_t packet_count; + sd_event_source *event_timeout; /* last sent packet */ struct timespec trans_time_mon; @@ -205,6 +208,20 @@ static double square(double d) { return d * d; } +static int manager_timeout(sd_event_source *source, usec_t usec, void *userdata) { + _cleanup_free_ char *pretty = NULL; + Manager *m = userdata; + + assert(m); + assert(m->current_server_name); + assert(m->current_server_address); + + sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); + log_info("Timed out waiting for reply from %s (%s).", strna(pretty), m->current_server_name->string); + + return manager_connect(m); +} + static int manager_send_request(Manager *m) { _cleanup_free_ char *pretty = NULL; struct ntp_msg ntpmsg = { @@ -224,6 +241,8 @@ static int manager_send_request(Manager *m) { assert(m->current_server_name); assert(m->current_server_address); + m->event_timeout = sd_event_source_unref(m->event_timeout); + /* * Set transmit timestamp, remember it; the server will send that back * as the origin timestamp and we have an indication that this is the @@ -237,18 +256,14 @@ static int manager_send_request(Manager *m) { ntpmsg.trans_time.sec = htobe32(m->trans_time.tv_sec + OFFSET_1900_1970); ntpmsg.trans_time.frac = htobe32(m->trans_time.tv_nsec); - r = sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); - if (r < 0) { - log_error("Failed to format sockaddr: %s", strerror(-r)); - return r; - } + sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); len = sendto(m->server_socket, &ntpmsg, sizeof(ntpmsg), MSG_DONTWAIT, &m->current_server_address->sockaddr.sa, m->current_server_address->socklen); if (len == sizeof(ntpmsg)) { m->pending = true; - log_debug("Sent NTP request to %s (%s)", pretty, m->current_server_name->string); + log_debug("Sent NTP request to %s (%s).", strna(pretty), m->current_server_name->string); } else { - log_debug("Sending NTP request to %s (%s) failed: %m", pretty, m->current_server_name->string); + log_debug("Sending NTP request to %s (%s) failed: %m", strna(pretty), m->current_server_name->string); return manager_connect(m); } @@ -265,6 +280,17 @@ static int manager_send_request(Manager *m) { return r; } + r = sd_event_add_time( + m->event, + &m->event_timeout, + CLOCK_MONOTONIC, + now(CLOCK_MONOTONIC) + TIMEOUT_USEC, 0, + manager_timeout, m); + if (r < 0) { + log_error("Failed to arm timeout timer: %s", strerror(-r)); + return r; + } + return 0; } @@ -610,6 +636,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re return 0; } + m->event_timeout = sd_event_source_unref(m->event_timeout); + if (NTP_FIELD_LEAP(ntpmsg.field) == NTP_LEAP_NOTINSYNC) { log_debug("Server is not synchronized. Disconnecting."); return manager_connect(m); @@ -698,14 +726,9 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re log_error("Failed to call clock_adjtime(): %m"); } - r = sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); - if (r < 0) { - log_error("Failed to format socket address: %s", strerror(-r)); - return r; - } - + sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); log_info("%s (%s): interval/delta/delay/jitter/drift %llus/%+.3fs/%.3fs/%.3fs/%+ippm%s", - pretty, m->current_server_name->string, m->poll_interval_usec / USEC_PER_SEC, offset, delay, m->samples_jitter, m->drift_ppm, + strna(pretty), m->current_server_name->string, m->poll_interval_usec / USEC_PER_SEC, offset, delay, m->samples_jitter, m->drift_ppm, spike ? " (ignored)" : ""); r = manager_arm_timer(m, m->poll_interval_usec); @@ -758,14 +781,9 @@ static int manager_begin(Manager *m) { m->poll_interval_usec = NTP_POLL_INTERVAL_MIN_SEC * USEC_PER_SEC; - r = sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); - if (r < 0) { - log_warning("Failed to decode address of %s: %s", m->current_server_name->string, strerror(-r)); - return r; - } - - log_debug("Connecting to NTP server %s (%s).", pretty, m->current_server_name->string); - sd_notifyf(false, "STATUS=Using Time Server %s (%s)", pretty, m->current_server_name->string); + sockaddr_pretty(&m->current_server_address->sockaddr.sa, m->current_server_address->socklen, true, &pretty); + log_info("Using NTP server %s (%s).", strna(pretty), m->current_server_name->string); + sd_notifyf(false, "STATUS=Using Time Server %s (%s).", strna(pretty), m->current_server_name->string); r = manager_listen_setup(m); if (r < 0) { @@ -846,7 +864,7 @@ static int manager_resolve_handler(sd_resolve_query *q, int ret, const struct ad last = a; sockaddr_pretty(&a->sockaddr.sa, a->socklen, true, &pretty); - log_debug("Found address %s for %s.", pretty, m->current_server_name->string); + log_debug("Resolved address %s for %s.", pretty, m->current_server_name->string); } if (!m->current_server_name->addresses) { @@ -968,6 +986,10 @@ static void manager_disconnect(Manager *m) { m->event_clock_watch = sd_event_source_unref(m->event_clock_watch); m->clock_watch_fd = safe_close(m->clock_watch_fd); + + m->event_timeout = sd_event_source_unref(m->event_timeout); + + sd_notifyf(false, "STATUS=Idle."); } static int manager_new(Manager **ret) { @@ -1044,7 +1066,7 @@ int main(int argc, char *argv[]) { sd_notify(false, "READY=1"); - FOREACH_STRING(x, "time1.google.com", "time2.google.com", "time3.google.com", "time4.google.com", "0.fedora.pool.ntp.org") { + FOREACH_STRING(x, "8.8.8.8", "172.31.0.1", "time1.google.com", "time2.google.com", "time3.google.com", "time4.google.com", "0.fedora.pool.ntp.org") { r = manager_add_server(m, x); if (r < 0) { log_error("Failed to add server %s: %s", x, strerror(-r)); |