#include "mkdir.h"
#include "dbus-path.h"
#include "special.h"
-#include "dbus-common.h"
#include "path-util.h"
#include "macro.h"
+#include "bus-util.h"
+#include "bus-error.h"
static const UnitActiveState state_translation_table[_PATH_STATE_MAX] = {
[PATH_DEAD] = UNIT_INACTIVE,
[PATH_FAILED] = UNIT_FAILED
};
-int path_spec_watch(PathSpec *s, Unit *u) {
+static int path_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata);
+
+int path_spec_watch(PathSpec *s, sd_event_io_handler_t handler) {
static const int flags_table[_PATH_TYPE_MAX] = {
[PATH_EXISTS] = IN_DELETE_SELF|IN_MOVE_SELF|IN_ATTRIB,
char *slash, *oldslash = NULL;
int r;
- assert(u);
assert(s);
+ assert(s->unit);
+ assert(handler);
- path_spec_unwatch(s, u);
+ path_spec_unwatch(s);
s->inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
if (s->inotify_fd < 0) {
goto fail;
}
- r = unit_watch_fd(u, s->inotify_fd, EPOLLIN, &s->watch);
+ r = sd_event_add_io(s->unit->manager->event, s->inotify_fd, EPOLLIN, handler, s, &s->event_source);
if (r < 0)
goto fail;
return 0;
fail:
- path_spec_unwatch(s, u);
+ path_spec_unwatch(s);
return r;
}
-void path_spec_unwatch(PathSpec *s, Unit *u) {
-
- if (s->inotify_fd < 0)
- return;
+void path_spec_unwatch(PathSpec *s) {
+ assert(s);
- unit_unwatch_fd(u, &s->watch);
+ s->event_source = sd_event_source_unref(s->event_source);
- close_nointr_nofail(s->inotify_fd);
- s->inotify_fd = -1;
+ if (s->inotify_fd >= 0) {
+ close_nointr_nofail(s->inotify_fd);
+ s->inotify_fd = -1;
+ }
}
-int path_spec_fd_event(PathSpec *s, uint32_t events) {
+int path_spec_fd_event(PathSpec *s, uint32_t revents) {
_cleanup_free_ uint8_t *buf = NULL;
struct inotify_event *e;
ssize_t k;
int l;
int r = 0;
- if (events != EPOLLIN) {
+ if (revents != EPOLLIN) {
log_error("Got invalid poll event on inotify.");
return -EINVAL;
}
return good;
}
-static bool path_spec_startswith(PathSpec *s, const char *what) {
- return path_startswith(s->path, what);
-}
-
static void path_spec_mkdir(PathSpec *s, mode_t mode) {
int r;
assert(p);
while ((s = p->specs)) {
- path_spec_unwatch(s, UNIT(p));
- LIST_REMOVE(PathSpec, spec, p->specs, s);
+ path_spec_unwatch(s);
+ LIST_REMOVE(spec, p->specs, s);
path_spec_done(s);
free(s);
}
path_free_specs(p);
}
-int path_add_one_mount_link(Path *p, Mount *m) {
+static int path_add_mount_links(Path *p) {
PathSpec *s;
int r;
assert(p);
- assert(m);
-
- if (UNIT(p)->load_state != UNIT_LOADED ||
- UNIT(m)->load_state != UNIT_LOADED)
- return 0;
LIST_FOREACH(spec, s, p->specs) {
- if (!path_spec_startswith(s, m->where))
- continue;
-
- r = unit_add_two_dependencies(UNIT(p), UNIT_AFTER, UNIT_REQUIRES,
- UNIT(m), true);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int path_add_mount_links(Path *p) {
- Unit *other;
- int r;
-
- assert(p);
-
- LIST_FOREACH(units_by_type, other, UNIT(p)->manager->units_by_type[UNIT_MOUNT]) {
- r = path_add_one_mount_link(p, MOUNT(other));
+ r = unit_require_mounts_for(UNIT(p), s->path);
if (r < 0)
return r;
}
assert(p);
LIST_FOREACH(spec, s, p->specs)
- path_spec_unwatch(s, UNIT(p));
+ path_spec_unwatch(s);
}
static int path_watch(Path *p) {
assert(p);
LIST_FOREACH(spec, s, p->specs) {
- r = path_spec_watch(s, UNIT(p));
+ r = path_spec_watch(s, path_dispatch_io);
if (r < 0)
return r;
}
}
static void path_enter_running(Path *p) {
- _cleanup_dbus_error_free_ DBusError error;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(p);
- dbus_error_init(&error);
-
/* Don't start job if we are supposed to go down */
if (unit_stop_pending(UNIT(p)))
return;
fail:
log_warning("%s failed to queue unit startup job: %s",
- UNIT(p)->id, bus_error(&error, r));
+ UNIT(p)->id, bus_error_message(&error, r));
path_enter_dead(p, PATH_FAILURE_RESOURCES);
}
return path_state_to_string(PATH(u)->state);
}
-static void path_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
- Path *p = PATH(u);
- PathSpec *s;
+static int path_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
+ PathSpec *s = userdata;
+ Path *p;
int changed;
- assert(p);
+ assert(s);
+ assert(s->unit);
assert(fd >= 0);
+ p = PATH(s->unit);
+
if (p->state != PATH_WAITING &&
p->state != PATH_RUNNING)
- return;
+ return 0;
/* log_debug("inotify wakeup on %s.", u->id); */
goto fail;
}
- changed = path_spec_fd_event(s, events);
+ changed = path_spec_fd_event(s, revents);
if (changed < 0)
goto fail;
else
path_enter_waiting(p, false, true);
- return;
+ return 0;
fail:
path_enter_dead(p, PATH_FAILURE_RESOURCES);
+ return 0;
}
static void path_trigger_notify(Unit *u, Unit *other) {
const UnitVTable path_vtable = {
.object_size = sizeof(Path),
+
.sections =
"Unit\0"
"Path\0"
.active_state = path_active_state,
.sub_state_to_string = path_sub_state_to_string,
- .fd_event = path_fd_event,
-
.trigger_notify = path_trigger_notify,
.reset_failed = path_reset_failed,
.bus_interface = "org.freedesktop.systemd1.Path",
- .bus_message_handler = bus_path_message_handler,
- .bus_invalidating_properties = bus_path_invalidating_properties
+ .bus_vtable = bus_path_vtable,
+ .bus_changing_properties = bus_path_changing_properties
};