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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
84e51726 LP |
2 | #pragma once |
3 | ||
e8af6973 | 4 | /*** |
96b2fb93 | 5 | Copyright © 2014 Kay Sievers |
e8af6973 LP |
6 | ***/ |
7 | ||
66086a40 YW |
8 | #include <sys/timex.h> |
9 | ||
e7dd3947 | 10 | #include "sd-bus.h" |
e8af6973 | 11 | #include "sd-event.h" |
e0e5ce23 | 12 | #include "sd-network.h" |
71d35b6b TA |
13 | #include "sd-resolve.h" |
14 | ||
84e51726 | 15 | #include "list.h" |
84e51726 | 16 | #include "ratelimit.h" |
a4465d0d | 17 | #include "time-util.h" |
66086a40 | 18 | #include "timesyncd-ntp-message.h" |
e8af6973 LP |
19 | |
20 | typedef struct Manager Manager; | |
ae2db4e7 | 21 | |
874ff7bf LP |
22 | #include "timesyncd-server.h" |
23 | ||
a4465d0d YW |
24 | /* |
25 | * "A client MUST NOT under any conditions use a poll interval less | |
26 | * than 15 seconds." | |
27 | */ | |
28 | #define NTP_POLL_INTERVAL_MIN_USEC (32 * USEC_PER_SEC) | |
29 | #define NTP_POLL_INTERVAL_MAX_USEC (2048 * USEC_PER_SEC) | |
30 | ||
e8af6973 | 31 | struct Manager { |
e7dd3947 | 32 | sd_bus *bus; |
e8af6973 LP |
33 | sd_event *event; |
34 | sd_resolve *resolve; | |
35 | ||
874ff7bf | 36 | LIST_HEAD(ServerName, system_servers); |
84e51726 | 37 | LIST_HEAD(ServerName, link_servers); |
84e51726 | 38 | LIST_HEAD(ServerName, fallback_servers); |
e8af6973 | 39 | |
3745770a MB |
40 | bool have_fallbacks:1; |
41 | ||
e8af6973 | 42 | RateLimit ratelimit; |
63463bf0 | 43 | bool exhausted_servers; |
e8af6973 | 44 | |
e0e5ce23 TG |
45 | /* network */ |
46 | sd_event_source *network_event_source; | |
47 | sd_network_monitor *network_monitor; | |
48 | ||
e8af6973 LP |
49 | /* peer */ |
50 | sd_resolve_query *resolve_query; | |
51 | sd_event_source *event_receive; | |
52 | ServerName *current_server_name; | |
53 | ServerAddress *current_server_address; | |
54 | int server_socket; | |
e8206972 | 55 | int missed_replies; |
e8af6973 LP |
56 | uint64_t packet_count; |
57 | sd_event_source *event_timeout; | |
481b3f9e | 58 | bool good; |
e8af6973 LP |
59 | |
60 | /* last sent packet */ | |
61 | struct timespec trans_time_mon; | |
62 | struct timespec trans_time; | |
ab4df227 | 63 | usec_t retry_interval; |
e8af6973 LP |
64 | bool pending; |
65 | ||
66 | /* poll timer */ | |
67 | sd_event_source *event_timer; | |
68 | usec_t poll_interval_usec; | |
a4465d0d YW |
69 | usec_t poll_interval_min_usec; |
70 | usec_t poll_interval_max_usec; | |
e8af6973 LP |
71 | bool poll_resync; |
72 | ||
73 | /* history data */ | |
74 | struct { | |
75 | double offset; | |
76 | double delay; | |
77 | } samples[8]; | |
78 | unsigned int samples_idx; | |
79 | double samples_jitter; | |
f907cc16 | 80 | usec_t max_root_distance_usec; |
e8af6973 LP |
81 | |
82 | /* last change */ | |
83 | bool jumped; | |
d636d376 | 84 | bool sync; |
66086a40 | 85 | long drift_freq; |
e8af6973 LP |
86 | |
87 | /* watch for time changes */ | |
88 | sd_event_source *event_clock_watch; | |
89 | int clock_watch_fd; | |
90 | ||
91 | /* Retry connections */ | |
92 | sd_event_source *event_retry; | |
c264aeab KS |
93 | |
94 | /* RTC runs in local time, leave it alone */ | |
95 | bool rtc_local_time; | |
66086a40 YW |
96 | |
97 | /* NTP response */ | |
98 | struct ntp_msg ntpmsg; | |
99 | struct timespec origin_time, dest_time; | |
100 | bool spike; | |
e8af6973 LP |
101 | }; |
102 | ||
84e51726 LP |
103 | int manager_new(Manager **ret); |
104 | void manager_free(Manager *m); | |
105 | ||
106 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); | |
e8af6973 | 107 | |
874ff7bf LP |
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); | |
111 | ||
84e51726 LP |
112 | int manager_connect(Manager *m); |
113 | void manager_disconnect(Manager *m); |