1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 Copyright 2014 Kay Sievers
12 #include "sd-network.h"
13 #include "sd-resolve.h"
16 #include "ratelimit.h"
17 #include "time-util.h"
18 #include "timesyncd-ntp-message.h"
20 typedef struct Manager Manager
;
22 #include "timesyncd-server.h"
25 * "A client MUST NOT under any conditions use a poll interval less
28 #define NTP_POLL_INTERVAL_MIN_USEC (32 * USEC_PER_SEC)
29 #define NTP_POLL_INTERVAL_MAX_USEC (2048 * USEC_PER_SEC)
36 LIST_HEAD(ServerName
, system_servers
);
37 LIST_HEAD(ServerName
, link_servers
);
38 LIST_HEAD(ServerName
, fallback_servers
);
40 bool have_fallbacks
:1;
43 bool exhausted_servers
;
46 sd_event_source
*network_event_source
;
47 sd_network_monitor
*network_monitor
;
50 sd_resolve_query
*resolve_query
;
51 sd_event_source
*event_receive
;
52 ServerName
*current_server_name
;
53 ServerAddress
*current_server_address
;
56 uint64_t packet_count
;
57 sd_event_source
*event_timeout
;
60 /* last sent packet */
61 struct timespec trans_time_mon
;
62 struct timespec trans_time
;
63 usec_t retry_interval
;
67 sd_event_source
*event_timer
;
68 usec_t poll_interval_usec
;
69 usec_t poll_interval_min_usec
;
70 usec_t poll_interval_max_usec
;
78 unsigned int samples_idx
;
79 double samples_jitter
;
80 usec_t max_root_distance_usec
;
87 /* watch for time changes */
88 sd_event_source
*event_clock_watch
;
91 /* Retry connections */
92 sd_event_source
*event_retry
;
94 /* RTC runs in local time, leave it alone */
98 struct ntp_msg ntpmsg
;
99 struct timespec origin_time
, dest_time
;
103 int manager_new(Manager
**ret
);
104 void manager_free(Manager
*m
);
106 DEFINE_TRIVIAL_CLEANUP_FUNC(Manager
*, manager_free
);
108 void manager_set_server_name(Manager
*m
, ServerName
*n
);
109 void manager_set_server_address(Manager
*m
, ServerAddress
*a
);
110 void manager_flush_server_names(Manager
*m
, ServerType t
);
112 int manager_connect(Manager
*m
);
113 void manager_disconnect(Manager
*m
);