Merge pull request #34353 from yuwata/timesync-bus-document

timesync: add document for org.freedesktop.timesync1

src/timesync/timesyncd-bus.c

@@ -246,9 +246,9 @@ int manager_connect_bus(Manager *m) {
         if (r < 0)
                 return log_error_errno(r, "Failed to connect to bus: %m");
 
-        r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/timesync1", "org.freedesktop.timesync1.Manager", manager_vtable, m);
+        r = bus_add_implementation(m->bus, &manager_object, m);
         if (r < 0)
-                return log_error_errno(r, "Failed to add manager object vtable: %m");
+                return r;
 
         r = bus_log_control_api_register(m->bus);
         if (r < 0)
@@ -264,3 +264,9 @@ int manager_connect_bus(Manager *m) {
 
         return 0;
 }
+
+const BusObjectImplementation manager_object = {
+        "/org/freedesktop/timesync1",
+        "org.freedesktop.timesync1.Manager",
+        .vtables = BUS_VTABLES(manager_vtable),
+};

src/timesync/timesyncd-bus.h

@@ -1,6 +1,9 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
+#include "bus-object.h"
 #include "timesyncd-manager.h"
 
+extern const BusObjectImplementation manager_object;
+
 int manager_connect_bus(Manager *m);

src/timesync/timesyncd.c

@@ -7,6 +7,7 @@
 #include "sd-event.h"
 #include "sd-messages.h"
 
+#include "bus-log-control-api.h"
 #include "capability-util.h"
 #include "clock-util.h"
 #include "daemon-util.h"
@@ -16,6 +17,7 @@
 #include "mkdir-label.h"
 #include "network-util.h"
 #include "process-util.h"
+#include "service-util.h"
 #include "signal-util.h"
 #include "timesyncd-bus.h"
 #include "timesyncd-conf.h"
@@ -144,6 +146,13 @@ static int run(int argc, char *argv[]) {
         log_set_facility(LOG_CRON);
         log_setup();
 
+        r = service_parse_argv("systemd-timesyncd.service",
+                               "Network time synchronization",
+                               BUS_IMPLEMENTATIONS(&manager_object, &log_control_object),
+                               argc, argv);
+        if (r <= 0)
+                return r;
+
         umask(0022);
 
         if (argc != 1)