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diff --git a/src/systemd-timesyncd/timesyncd-manager.h b/src/systemd-timesyncd/timesyncd-manager.h
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+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Kay Sievers, Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <systemd/sd-event.h>
+#include <systemd/sd-network.h>
+#include <systemd/sd-resolve.h>
+
+#include "list.h"
+#include "ratelimit.h"
+
+typedef struct Manager Manager;
+
+#include "timesyncd-server.h"
+
+struct Manager {
+ sd_event *event;
+ sd_resolve *resolve;
+
+ LIST_HEAD(ServerName, system_servers);
+ LIST_HEAD(ServerName, link_servers);
+ LIST_HEAD(ServerName, fallback_servers);
+
+ RateLimit ratelimit;
+ bool exhausted_servers;
+
+ /* network */
+ sd_event_source *network_event_source;
+ sd_network_monitor *network_monitor;
+
+ /* peer */
+ sd_resolve_query *resolve_query;
+ sd_event_source *event_receive;
+ ServerName *current_server_name;
+ ServerAddress *current_server_address;
+ int server_socket;
+ int missed_replies;
+ uint64_t packet_count;
+ sd_event_source *event_timeout;
+ bool good;
+
+ /* last sent packet */
+ struct timespec trans_time_mon;
+ struct timespec trans_time;
+ usec_t retry_interval;
+ bool pending;
+
+ /* poll timer */
+ sd_event_source *event_timer;
+ usec_t poll_interval_usec;
+ bool poll_resync;
+
+ /* history data */
+ struct {
+ double offset;
+ double delay;
+ } samples[8];
+ unsigned int samples_idx;
+ double samples_jitter;
+
+ /* last change */
+ bool jumped;
+ bool sync;
+ int drift_ppm;
+
+ /* watch for time changes */
+ sd_event_source *event_clock_watch;
+ int clock_watch_fd;
+
+ /* Retry connections */
+ sd_event_source *event_retry;
+
+ /* RTC runs in local time, leave it alone */
+ bool rtc_local_time;
+};
+
+int manager_new(Manager **ret);
+void manager_free(Manager *m);
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
+
+void manager_set_server_name(Manager *m, ServerName *n);
+void manager_set_server_address(Manager *m, ServerAddress *a);
+void manager_flush_server_names(Manager *m, ServerType t);
+
+int manager_connect(Manager *m);
+void manager_disconnect(Manager *m);