machined: implement exit-on-idle

[elogind.git] / src / machine / machined.c

diff --git a/src/machine/machined.c b/src/machine/machined.c
index a5f529384befd2011e660b75148e0e723acc3cef..6eeb053168d41e43cdece58e2a16758ab4925003 100644 (file)
--- a/src/machine/machined.c
+++ b/src/machine/machined.c
@@ -53,12 +53,14 @@ Manager *manager_new(void) {
                 return NULL;
         }
 
-        r = sd_event_new(&m->event);
+        r = sd_event_default(&m->event);
         if (r < 0) {
                 manager_free(m);
                 return NULL;
         }
 
+        sd_event_set_watchdog(m->event, true);
+
         return m;
 }
 
@@ -80,47 +82,6 @@ void manager_free(Manager *m) {
         free(m);
 }
 
-int manager_add_machine(Manager *m, const char *name, Machine **_machine) {
-        Machine *machine;
-
-        assert(m);
-        assert(name);
-
-        machine = hashmap_get(m->machines, name);
-        if (!machine) {
-                machine = machine_new(m, name);
-                if (!machine)
-                        return -ENOMEM;
-        }
-
-        if (_machine)
-                *_machine = machine;
-
-        return 0;
-}
-
-int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) {
-        _cleanup_free_ char *unit = NULL;
-        Machine *mm;
-        int r;
-
-        assert(m);
-        assert(pid >= 1);
-        assert(machine);
-
-        r = cg_pid_get_unit(pid, &unit);
-        if (r < 0)
-                mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid));
-        else
-                mm = hashmap_get(m->machine_units, unit);
-
-        if (!mm)
-                return 0;
-
-        *machine = mm;
-        return 1;
-}
-
 int manager_enumerate_machines(Manager *m) {
         _cleanup_closedir_ DIR *d = NULL;
         struct dirent *de;
@@ -170,7 +131,7 @@ static int manager_connect_bus(Manager *m) {
         assert(m);
         assert(!m->bus);
 
-        r = sd_bus_open_system(&m->bus);
+        r = sd_bus_default_system(&m->bus);
         if (r < 0) {
                 log_error("Failed to connect to system bus: %s", strerror(-r));
                 return r;
@@ -258,17 +219,12 @@ static int manager_connect_bus(Manager *m) {
                 return r;
         }
 
-        r = sd_bus_request_name(m->bus, "org.freedesktop.machine1", SD_BUS_NAME_DO_NOT_QUEUE);
+        r = sd_bus_request_name(m->bus, "org.freedesktop.machine1", 0);
         if (r < 0) {
                 log_error("Failed to register name: %s", strerror(-r));
                 return r;
         }
 
-        if (r != SD_BUS_NAME_PRIMARY_OWNER)  {
-                log_error("Failed to acquire name.");
-                return -EEXIST;
-        }
-
         r = sd_bus_attach_event(m->bus, m->event, 0);
         if (r < 0) {
                 log_error("Failed to attach bus to event loop: %s", strerror(-r));
@@ -319,26 +275,23 @@ int manager_startup(Manager *m) {
         return 0;
 }
 
-int manager_run(Manager *m) {
-        int r;
-
-        assert(m);
+static bool check_idle(void *userdata) {
+        Manager *m = userdata;
 
-        for (;;) {
-                r = sd_event_get_state(m->event);
-                if (r < 0)
-                        return r;
-                if (r == SD_EVENT_FINISHED)
-                        return 0;
+        manager_gc(m, true);
 
-                manager_gc(m, true);
+        return hashmap_isempty(m->machines);
+}
 
-                r = sd_event_run(m->event, (uint64_t) -1);
-                if (r < 0)
-                        return r;
-        }
+int manager_run(Manager *m) {
+        assert(m);
 
-        return 0;
+        return bus_event_loop_with_idle(
+                        m->event,
+                        m->bus,
+                        "org.freedesktop.machine1",
+                        DEFAULT_EXIT_USEC,
+                        check_idle, m);
 }
 
 int main(int argc, char *argv[]) {