Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/src/timesync/timesyncd-manager.h b/src/timesync/timesyncd-manager.h
new file mode 100644
index 0000000..f444787
--- /dev/null
+++ b/src/timesync/timesyncd-manager.h
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <sys/timex.h>
+
+#include "sd-bus.h"
+#include "sd-event.h"
+#include "sd-network.h"
+#include "sd-resolve.h"
+
+#include "hashmap.h"
+#include "list.h"
+#include "ratelimit.h"
+#include "time-util.h"
+#include "timesyncd-ntp-message.h"
+
+typedef struct Manager Manager;
+
+#include "timesyncd-server.h"
+
+/*
+ * "A client MUST NOT under any conditions use a poll interval less
+ * than 15 seconds."
+ */
+#define NTP_POLL_INTERVAL_MIN_USEC      (32 * USEC_PER_SEC)
+#define NTP_POLL_INTERVAL_MAX_USEC      (2048 * USEC_PER_SEC)
+
+#define NTP_RETRY_INTERVAL_MIN_USEC     (15 * USEC_PER_SEC)
+#define NTP_RETRY_INTERVAL_MAX_USEC     (6 * 60 * USEC_PER_SEC) /* 6 minutes */
+
+#define DEFAULT_CONNECTION_RETRY_USEC   (30 * USEC_PER_SEC)
+
+#define DEFAULT_SAVE_TIME_INTERVAL_USEC (60 * USEC_PER_SEC)
+
+#define STATE_DIR   "/var/lib/systemd/timesync"
+#define CLOCK_FILE  STATE_DIR "/clock"
+
+struct Manager {
+        sd_bus *bus;
+        sd_event *event;
+        sd_resolve *resolve;
+
+        LIST_HEAD(ServerName, system_servers);
+        LIST_HEAD(ServerName, link_servers);
+        LIST_HEAD(ServerName, runtime_servers);
+        LIST_HEAD(ServerName, fallback_servers);
+
+        bool have_fallbacks:1;
+
+        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 talking;
+
+        /* PolicyKit */
+        Hashmap *polkit_registry;
+
+        /* last sent packet */
+        struct timespec trans_time_mon;
+        struct timespec trans_time;
+        struct ntp_ts request_nonce;
+        usec_t retry_interval;
+        usec_t connection_retry_usec;
+        bool pending;
+
+        /* poll timer */
+        sd_event_source *event_timer;
+        usec_t poll_interval_usec;
+        usec_t poll_interval_min_usec;
+        usec_t poll_interval_max_usec;
+        bool poll_resync;
+
+        /* history data */
+        struct {
+                double offset;
+                double delay;
+        } samples[8];
+        unsigned samples_idx;
+        double samples_jitter;
+        usec_t root_distance_max_usec;
+
+        /* last change */
+        bool jumped;
+        int64_t drift_freq;
+
+        /* watch for time changes */
+        sd_event_source *event_clock_watch;
+
+        /* Retry connections */
+        sd_event_source *event_retry;
+
+        /* 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;
+
+        /* Indicates whether we ever managed to set the local clock from NTP */
+        bool synchronized;
+
+        /* save time event */
+        sd_event_source *event_save_time;
+        usec_t save_time_interval_usec;
+        bool save_on_exit;
+
+        /* Used to coalesce bus PropertiesChanged events */
+        sd_event_source *deferred_ntp_server_event_source;
+        unsigned ntp_server_change_mask;
+};
+
+int manager_new(Manager **ret);
+Manager* 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);
+void manager_flush_runtime_servers(Manager *m);
+
+int manager_connect(Manager *m);
+void manager_disconnect(Manager *m);
+bool manager_is_connected(Manager *m);
+
+int manager_setup_save_time_event(Manager *m);
+
+int bus_manager_emit_ntp_server_changed(Manager *m);