#include "dbus-common.h"
#include "dbus-loop.h"
-enum {
- FD_UDEV,
- FD_CONSOLE,
- FD_BUS
-};
-
Manager *manager_new(void) {
Manager *m;
m->seats = hashmap_new(string_hash_func, string_compare_func);
m->sessions = hashmap_new(string_hash_func, string_compare_func);
m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
+ m->cgroups = hashmap_new(string_hash_func, string_compare_func);
+ m->pipe_fds = hashmap_new(trivial_hash_func, trivial_compare_func);
if (!m->devices || !m->seats || !m->sessions || !m->users) {
manager_free(m);
hashmap_free(m->users);
hashmap_free(m->devices);
hashmap_free(m->seats);
+ hashmap_free(m->cgroups);
+ hashmap_free(m->pipe_fds);
if (m->console_active_fd >= 0)
close_nointr_nofail(m->console_active_fd);
assert(m);
+ /* FIXME: drop this check as soon as libudev's enum support
+ * honours tags and subsystem matches at the same time */
+ if (!streq_ptr(udev_device_get_subsystem(d), "graphics"))
+ return 0;
+
if (streq_ptr(udev_device_get_action(d), "remove")) {
- device = hashmap_get(m->devices, udev_device_get_syspath(d));
+ /* FIXME: use syspath instead of sysname here, as soon as fb driver is fixed */
+ device = hashmap_get(m->devices, udev_device_get_sysname(d));
if (!device)
return 0;
const char *sn;
Seat *seat;
- sn = udev_device_get_property_value(d, "SEAT");
+ sn = udev_device_get_property_value(d, "ID_SEAT");
if (!sn)
sn = "seat0";
- if (!startswith(sn, "seat"))
- return -EINVAL;
+ if (!seat_name_is_valid(sn)) {
+ log_warning("Device with invalid seat name %s found, ignoring.", sn);
+ return 0;
+ }
- r = manager_add_device(m, udev_device_get_syspath(d), &device);
+ r = manager_add_device(m, udev_device_get_sysname(d), &device);
if (r < 0)
return r;
}
device_attach(device, seat);
+ seat_start(seat);
}
return 0;
if (!dirent_is_file(de))
continue;
- if (!startswith(de->d_name, "seat"))
- continue;
-
s = hashmap_get(m->seats, de->d_name);
if (!s) {
unlinkat(dirfd(d), de->d_name, 0);
assert(vtnr >= 1);
- fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC);
+ /* We explicitly open /dev/tty1 here instead of /dev/tty0. If
+ * we'd open the latter we'd open the foreground tty which
+ * hence would be unconditionally busy. By opening /dev/tty1
+ * we avoid this. Since tty1 is special and needs to be an
+ * explicitly loaded getty or DM this is safe. */
+
+ fd = open_terminal("/dev/tty1", O_RDWR|O_NOCTTY|O_CLOEXEC);
if (fd < 0)
return -errno;
int manager_spawn_autovt(Manager *m, int vtnr) {
int r;
+ DBusMessage *message = NULL, *reply = NULL;
+ char *name = NULL;
+ const char *mode = "fail";
+ DBusError error;
assert(m);
+ dbus_error_init(&error);
+
r = vt_is_busy(vtnr);
if (r != 0)
return r;
- /* ... */
+ message = dbus_message_new_method_call("org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit");
+ if (!message) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (asprintf(&name, "autovt-getty@tty%i.service", vtnr) < 0) {
+ log_error("Could not allocate service name.");
+ r = -ENOMEM;
+ goto finish;
+ }
- return 0;
+ if (!dbus_message_append_args(message,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &mode,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not attach target and flag information to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ reply = dbus_connection_send_with_reply_and_block(m->bus, message, -1, &error);
+ if (!reply) {
+ log_error("Failed to start unit: %s", bus_error_message(&error));
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ free(name);
+
+ if (message)
+ dbus_message_unref(message);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
}
-static DBusHandlerResult login_message_handler(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
+void manager_cgroup_notify_empty(Manager *m, const char *cgroup) {
+ Session *s;
+ char *p;
+
+ assert(m);
+ assert(cgroup);
+
+ p = strdup(cgroup);
+ if (!p) {
+ log_error("Out of memory.");
+ return;
+ }
- return DBUS_HANDLER_RESULT_HANDLED;
+ for (;;) {
+ char *e;
+
+ if (isempty(p) || streq(p, "/"))
+ break;
+
+ s = hashmap_get(m->cgroups, p);
+ if (s)
+ session_add_to_gc_queue(s);
+
+ assert_se(e = strrchr(p, '/'));
+ *e = 0;
+ }
+
+ free(p);
}
-static DBusHandlerResult login_message_filter(
- DBusConnection *connection,
- DBusMessage *message,
- void *userdata) {
+static void manager_pipe_notify_eof(Manager *m, int fd) {
+ Session *s;
+
+ assert_se(m);
+ assert_se(fd >= 0);
+
+ assert_se(s = hashmap_get(m->pipe_fds, INT_TO_PTR(fd + 1)));
+ assert(s->pipe_fd == fd);
+ session_unset_pipe_fd(s);
- return DBUS_HANDLER_RESULT_HANDLED;
+ session_stop(s);
}
static int manager_connect_bus(Manager *m) {
- const DBusObjectPathVTable login_vtable = {
- .message_function = login_message_handler
- };
-
DBusError error;
int r;
struct epoll_event ev;
m->bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
if (!m->bus) {
- log_error("Failed to get system D-Bus connection: %s", error.message);
+ log_error("Failed to get system D-Bus connection: %s", bus_error_message(&error));
r = -ECONNREFUSED;
goto fail;
}
- if (!dbus_connection_register_object_path(m->bus, "/org/freedesktop/login1", &login_vtable, NULL)) {
- log_error("Not enough memory");
- r = -ENOMEM;
- goto fail;
- }
-
- if (!dbus_connection_add_filter(m->bus, login_message_filter, m, NULL)) {
+ if (!dbus_connection_register_object_path(m->bus, "/org/freedesktop/login1", &bus_manager_vtable, m) ||
+ !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_add_filter(m->bus, bus_message_filter, m, NULL)) {
log_error("Not enough memory");
r = -ENOMEM;
goto fail;
&error);
if (dbus_error_is_set(&error)) {
- log_error("Failed to register match: %s", error.message);
+ log_error("Failed to register match: %s", bus_error_message(&error));
r = -EIO;
goto fail;
}
- if (dbus_bus_request_name(m->bus, "org.freedesktop.login1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) < 0) {
- log_error("Failed to register name on bus: %s", error.message);
+ r = dbus_bus_request_name(m->bus, "org.freedesktop.login1", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error);
+ if (dbus_error_is_set(&error)) {
+ log_error("Failed to register name on bus: %s", bus_error_message(&error));
+ r = -EIO;
+ goto fail;
+ }
+
+ if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+ log_error("Failed to acquire name.");
r = -EEXIST;
goto fail;
}
}
}
+int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
+ Session *s;
+ bool idle_hint = true;
+ dual_timestamp ts = { 0, 0 };
+ Iterator i;
+
+ assert(m);
+
+ HASHMAP_FOREACH(s, m->sessions, i) {
+ dual_timestamp k;
+ int ih;
+
+ ih = session_get_idle_hint(s, &k);
+ if (ih < 0)
+ return ih;
+
+ if (!ih) {
+ if (!idle_hint) {
+ if (k.monotonic < ts.monotonic)
+ ts = k;
+ } else {
+ idle_hint = false;
+ ts = k;
+ }
+ } else if (idle_hint) {
+
+ if (k.monotonic > ts.monotonic)
+ ts = k;
+ }
+ }
+
+ if (t)
+ *t = ts;
+
+ return idle_hint;
+}
+
int manager_startup(Manager *m) {
int r;
Seat *seat;
if (dbus_connection_dispatch(m->bus) != DBUS_DISPATCH_COMPLETE)
continue;
+ manager_gc(m);
+
n = epoll_wait(m->epoll_fd, &event, 1, -1);
if (n < 0) {
+ if (errno == EINTR || errno == EAGAIN)
+ continue;
+
log_error("epoll() failed: %m");
return -errno;
}
case FD_BUS:
bus_loop_dispatch(m->bus_fd);
break;
+
+ default:
+ if (event.data.u32 >= FD_PIPE_BASE)
+ manager_pipe_notify_eof(m, event.data.u32 - FD_PIPE_BASE);
}
}
~ianmdlvl / elogind.git / blobdiff