m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
m->inhibitors = hashmap_new(string_hash_func, string_compare_func);
m->buttons = hashmap_new(string_hash_func, string_compare_func);
+ m->machines = hashmap_new(string_hash_func, string_compare_func);
m->user_cgroups = hashmap_new(string_hash_func, string_compare_func);
m->session_cgroups = hashmap_new(string_hash_func, string_compare_func);
+ m->machine_cgroups = hashmap_new(string_hash_func, string_compare_func);
m->session_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
m->inhibitor_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
m->button_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons ||
- !m->user_cgroups || !m->session_cgroups ||
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->machines ||
+ !m->user_cgroups || !m->session_cgroups || !m->machine_cgroups ||
!m->session_fds || !m->inhibitor_fds || !m->button_fds) {
manager_free(m);
return NULL;
return NULL;
}
- if (cg_get_user_path(&m->cgroup_path) < 0) {
+ if (cg_get_root_path(&m->cgroup_root) < 0) {
manager_free(m);
return NULL;
}
+ if (streq(m->cgroup_root, "/"))
+ m->cgroup_root[0] = 0;
+
return m;
}
Seat *s;
Inhibitor *i;
Button *b;
+ Machine *machine;
assert(m);
while ((b = hashmap_first(m->buttons)))
button_free(b);
+ while ((machine = hashmap_first(m->machines)))
+ machine_free(machine);
+
hashmap_free(m->devices);
hashmap_free(m->seats);
hashmap_free(m->sessions);
hashmap_free(m->users);
hashmap_free(m->inhibitors);
hashmap_free(m->buttons);
+ hashmap_free(m->machines);
hashmap_free(m->user_cgroups);
hashmap_free(m->session_cgroups);
+ hashmap_free(m->machine_cgroups);
hashmap_free(m->session_fds);
hashmap_free(m->inhibitor_fds);
free(m->action_job);
- free(m->cgroup_path);
+ free(m->cgroup_root);
free(m);
}
return 0;
}
-int manager_add_session(Manager *m, User *u, const char *id, Session **_session) {
+int manager_add_session(Manager *m, const char *id, Session **_session) {
Session *s;
assert(m);
return 0;
}
- s = session_new(m, u, id);
+ s = session_new(m, id);
if (!s)
return -ENOMEM;
return 0;
}
+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) {
+ if (_machine)
+ *_machine = machine;
+
+ return 0;
+ }
+
+ machine = machine_new(m, name);
+ if (!m)
+ return -ENOMEM;
+
+ if (_machine)
+ *_machine = machine;
+
+ return 0;
+}
+
int manager_process_seat_device(Manager *m, struct udev_device *d) {
Device *device;
int r;
}
int manager_enumerate_seats(Manager *m) {
- DIR *d;
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r = 0;
return -errno;
}
- while ((de = readdir(d))) {
+ FOREACH_DIRENT(de, d, return -errno) {
Seat *s;
int k;
r = k;
}
- closedir(d);
-
- return r;
-}
-
-static int manager_enumerate_users_from_cgroup(Manager *m) {
- _cleanup_closedir_ DIR *d = NULL;
- int r = 0, k;
- char *name;
-
- r = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, m->cgroup_path, &d);
- if (r < 0) {
- if (r == -ENOENT)
- return 0;
-
- log_error("Failed to open %s: %s", m->cgroup_path, strerror(-r));
- return r;
- }
-
- while ((k = cg_read_subgroup(d, &name)) > 0) {
- User *user;
- char *e;
-
- e = endswith(name, ".user");
- if (e) {
- *e = 0;
-
- k = manager_add_user_by_name(m, name, &user);
- if (k < 0) {
- free(name);
- r = k;
- continue;
- }
-
- user_add_to_gc_queue(user);
-
- if (!user->cgroup_path) {
- user->cgroup_path = strjoin(m->cgroup_path, "/", name, NULL);
- if (!user->cgroup_path) {
- k = log_oom();
- free(name);
- break;
- }
- }
- }
-
- free(name);
- }
-
- if (k < 0)
- r = k;
-
return r;
}
static int manager_enumerate_linger_users(Manager *m) {
- DIR *d;
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r = 0;
+ assert(m);
+
d = opendir("/var/lib/systemd/linger");
if (!d) {
if (errno == ENOENT)
return -errno;
}
- while ((de = readdir(d))) {
+ FOREACH_DIRENT(de, d, return -errno) {
int k;
if (!dirent_is_file(de))
}
}
- closedir(d);
-
return r;
}
int manager_enumerate_users(Manager *m) {
- DIR *d;
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r, k;
assert(m);
- /* First, enumerate user cgroups */
- r = manager_enumerate_users_from_cgroup(m);
-
- /* Second, add lingering users on top */
+ /* Add lingering users */
k = manager_enumerate_linger_users(m);
if (k < 0)
r = k;
- /* Third, read in user data stored on disk */
+ /* Read in user data stored on disk */
d = opendir("/run/systemd/users");
if (!d) {
if (errno == ENOENT)
return -errno;
}
- while ((de = readdir(d))) {
- uid_t uid;
+ FOREACH_DIRENT(de, d, return -errno) {
User *u;
if (!dirent_is_file(de))
continue;
- k = parse_uid(de->d_name, &uid);
+ k = manager_add_user_by_name(m, de->d_name, &u);
if (k < 0) {
- log_error("Failed to parse file name %s: %s", de->d_name, strerror(-k));
- continue;
- }
+ log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k));
- u = hashmap_get(m->users, ULONG_TO_PTR(uid));
- if (!u) {
- unlinkat(dirfd(d), de->d_name, 0);
+ r = k;
continue;
}
+ user_add_to_gc_queue(u);
+
k = user_load(u);
if (k < 0)
r = k;
}
- closedir(d);
-
return r;
}
-static int manager_enumerate_sessions_from_cgroup(Manager *m) {
- User *u;
- Iterator i;
+int manager_enumerate_sessions(Manager *m) {
+ _cleanup_closedir_ DIR *d = NULL;
+ struct dirent *de;
int r = 0;
- HASHMAP_FOREACH(u, m->users, i) {
- _cleanup_closedir_ DIR *d = NULL;
- char *name;
+ assert(m);
+
+ /* Read in session data stored on disk */
+ d = opendir("/run/systemd/sessions");
+ if (!d) {
+ if (errno == ENOENT)
+ return 0;
+
+ log_error("Failed to open /run/systemd/sessions: %m");
+ return -errno;
+ }
+
+ FOREACH_DIRENT(de, d, return -errno) {
+ struct Session *s;
int k;
- if (!u->cgroup_path)
+ if (!dirent_is_file(de))
continue;
- k = cg_enumerate_subgroups(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, &d);
+ k = manager_add_session(m, de->d_name, &s);
if (k < 0) {
- if (k == -ENOENT)
- continue;
+ log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k));
- log_error("Failed to open %s: %s", u->cgroup_path, strerror(-k));
r = k;
continue;
}
- while ((k = cg_read_subgroup(d, &name)) > 0) {
- Session *session;
- char *e;
-
- e = endswith(name, ".session");
- if (e) {
- *e = 0;
-
- k = manager_add_session(m, u, name, &session);
- if (k < 0) {
- free(name);
- r = k;
- continue;
- }
-
- session_add_to_gc_queue(session);
-
- if (!session->cgroup_path) {
- session->cgroup_path = strjoin(m->cgroup_path, "/", name, NULL);
- if (!session->cgroup_path) {
- k = log_oom();
- free(name);
- break;
- }
- }
- }
-
- free(name);
- }
+ session_add_to_gc_queue(s);
+ k = session_load(s);
if (k < 0)
r = k;
}
return r;
}
-int manager_enumerate_sessions(Manager *m) {
- DIR *d;
+int manager_enumerate_inhibitors(Manager *m) {
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r = 0;
assert(m);
- /* First enumerate session cgroups */
- r = manager_enumerate_sessions_from_cgroup(m);
-
- /* Second, read in session data stored on disk */
- d = opendir("/run/systemd/sessions");
+ d = opendir("/run/systemd/inhibit");
if (!d) {
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/sessions: %m");
+ log_error("Failed to open /run/systemd/inhibit: %m");
return -errno;
}
- while ((de = readdir(d))) {
- struct Session *s;
+ FOREACH_DIRENT(de, d, return -errno) {
int k;
+ Inhibitor *i;
if (!dirent_is_file(de))
continue;
- s = hashmap_get(m->sessions, de->d_name);
- if (!s) {
- unlinkat(dirfd(d), de->d_name, 0);
+ k = manager_add_inhibitor(m, de->d_name, &i);
+ if (k < 0) {
+ log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
+ r = k;
continue;
}
- k = session_load(s);
+ k = inhibitor_load(i);
if (k < 0)
r = k;
}
- closedir(d);
-
return r;
}
-int manager_enumerate_inhibitors(Manager *m) {
- DIR *d;
+int manager_enumerate_machines(Manager *m) {
+ _cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r = 0;
assert(m);
- d = opendir("/run/systemd/inhibit");
+ /* Read in machine data stored on disk */
+ d = opendir("/run/systemd/machines");
if (!d) {
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/inhibit: %m");
+ log_error("Failed to open /run/systemd/machines: %m");
return -errno;
}
- while ((de = readdir(d))) {
+ FOREACH_DIRENT(de, d, return -errno) {
+ struct Machine *machine;
int k;
- Inhibitor *i;
if (!dirent_is_file(de))
continue;
- k = manager_add_inhibitor(m, de->d_name, &i);
+ k = manager_add_machine(m, de->d_name, &machine);
if (k < 0) {
- log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
+ log_error("Failed to add machine by file name %s: %s", de->d_name, strerror(-k));
+
r = k;
continue;
}
- k = inhibitor_load(i);
+ machine_add_to_gc_queue(machine);
+
+ k = machine_load(machine);
if (k < 0)
r = k;
}
- closedir(d);
-
return r;
}
}
}
+int manager_get_machine_by_cgroup(Manager *m, const char *cgroup, Machine **machine) {
+ Machine *u;
+ char *p;
+
+ assert(m);
+ assert(cgroup);
+ assert(machine);
+
+ u = hashmap_get(m->machine_cgroups, cgroup);
+ if (u) {
+ *machine = u;
+ return 1;
+ }
+
+ p = strdupa(cgroup);
+ if (!p)
+ return log_oom();
+
+ for (;;) {
+ char *e;
+
+ e = strrchr(p, '/');
+ if (!e || e == p) {
+ *machine = NULL;
+ return 0;
+ }
+
+ *e = 0;
+
+ u = hashmap_get(m->machine_cgroups, p);
+ if (u) {
+ *machine = u;
+ return 1;
+ }
+ }
+}
+
int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) {
_cleanup_free_ char *p = NULL;
int r;
return manager_get_session_by_cgroup(m, p, session);
}
+int manager_get_user_by_pid(Manager *m, pid_t pid, User **user) {
+ _cleanup_free_ char *p = NULL;
+ int r;
+
+ assert(m);
+ assert(pid >= 1);
+ assert(user);
+
+ r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &p);
+ if (r < 0)
+ return r;
+
+ return manager_get_user_by_cgroup(m, p, user);
+}
+
+int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) {
+ _cleanup_free_ char *p = NULL;
+ int r;
+
+ assert(m);
+ assert(pid >= 1);
+ assert(machine);
+
+ r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &p);
+ if (r < 0)
+ return r;
+
+ return manager_get_machine_by_cgroup(m, p, machine);
+}
+
void manager_cgroup_notify_empty(Manager *m, const char *cgroup) {
+ Machine *machine;
Session *s;
User *u;
int r;
r = manager_get_user_by_cgroup(m, cgroup, &u);
if (r > 0)
user_add_to_gc_queue(u);
+
+ r = manager_get_machine_by_cgroup(m, cgroup, &machine);
+ if (r > 0)
+ machine_add_to_gc_queue(machine);
}
static void manager_dispatch_other(Manager *m, int fd) {
!dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/seat", &bus_seat_vtable, m) ||
!dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/session", &bus_session_vtable, m) ||
!dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/user", &bus_user_vtable, m) ||
+ !dbus_connection_register_fallback(m->bus, "/org/freedesktop/login1/machine", &bus_machine_vtable, m) ||
!dbus_connection_add_filter(m->bus, bus_message_filter, m, NULL)) {
r = log_oom();
goto fail;
Seat *seat;
Session *session;
User *user;
+ Machine *machine;
assert(m);
user_free(user);
}
}
+
+ while ((machine = m->machine_gc_queue)) {
+ LIST_REMOVE(Machine, gc_queue, m->machine_gc_queue, machine);
+ machine->in_gc_queue = false;
+
+ if (machine_check_gc(machine, drop_not_started) == 0) {
+ machine_stop(machine);
+ machine_free(machine);
+ }
+ }
}
int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
Session *session;
User *user;
Inhibitor *inhibitor;
+ Machine *machine;
Iterator i;
assert(m);
manager_enumerate_sessions(m);
manager_enumerate_inhibitors(m);
manager_enumerate_buttons(m);
+ manager_enumerate_machines(m);
/* Remove stale objects before we start them */
manager_gc(m, false);
HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
inhibitor_start(inhibitor);
+ HASHMAP_FOREACH(machine, m->machines, i)
+ machine_start(machine);
+
manager_dispatch_idle_action(m);
return 0;
mkdir_label("/run/systemd/seats", 0755);
mkdir_label("/run/systemd/users", 0755);
mkdir_label("/run/systemd/sessions", 0755);
+ mkdir_label("/run/systemd/machines", 0755);
m = manager_new();
if (!m) {
~ianmdlvl / elogind.git / blobdiff