#include "dbus.h"
#include "log.h"
#include "strv.h"
-#include "cgroup.h"
#include "mkdir.h"
#include "missing.h"
#include "dbus-unit.h"
#include "special.h"
#include "dbus-common.h"
-#define CONNECTIONS_MAX 52
+#define CONNECTIONS_MAX 512
/* Well-known address (http://dbus.freedesktop.org/doc/dbus-specification.html#message-bus-types) */
#define DBUS_SYSTEM_BUS_DEFAULT_ADDRESS "unix:path=/var/run/dbus/system_bus_socket"
}
static int bus_timeout_arm(Manager *m, Watch *w) {
- struct itimerspec its;
+ struct itimerspec its = {};
assert(m);
assert(w);
- zero(its);
-
if (dbus_timeout_get_enabled(w->data.bus_timeout)) {
timespec_store(&its.it_value, dbus_timeout_get_interval(w->data.bus_timeout) * USEC_PER_MSEC);
its.it_interval = its.it_value;
log_debug("Got D-Bus activation request for %s", name);
- if (manager_unit_pending_inactive(m, SPECIAL_DBUS_SERVICE) ||
- manager_unit_pending_inactive(m, SPECIAL_DBUS_SOCKET)) {
+ if (manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SERVICE) ||
+ manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SOCKET)) {
r = -EADDRNOTAVAIL;
dbus_set_error(&error, BUS_ERROR_SHUTTING_DOWN, "Refusing activation, D-Bus is shutting down.");
} else {
dbus_error_free(&error);
if (reply) {
- if (!dbus_connection_send(connection, reply, NULL))
+ if (!bus_maybe_send_reply(connection, message, reply))
goto oom;
dbus_message_unref(reply);
DBUS_TYPE_INVALID))
log_error("Failed to parse Released message: %s", bus_error_message(&error));
else
- cgroup_notify_empty(m, cgroup);
+ manager_notify_cgroup_empty(m, cgroup);
}
dbus_error_free(&error);
DBUS_TYPE_INVALID))
log_error("Failed to parse Released message: %s", bus_error_message(&error));
else
- cgroup_notify_empty(m, cgroup);
+ manager_notify_cgroup_empty(m, cgroup);
/* Forward the message to the system bus, so that user
* instances are notified as well */
}
static int init_registered_system_bus(Manager *m) {
- char *id;
+ char *id = NULL;
if (!dbus_connection_add_filter(m->system_bus, system_bus_message_filter, m, NULL))
return log_oom();
return r;
if (m->running_as == SYSTEMD_USER) {
- char *id;
+ char *id = NULL;
+
log_debug("Successfully connected to API D-Bus bus %s as %s",
strnull((id = dbus_connection_get_server_id(m->api_bus))),
strnull(dbus_bus_get_unique_name(m->api_bus)));
}
return connection;
+
fail:
- if (connection)
- dbus_connection_close(connection);
dbus_error_free(&error);
return NULL;
}
static int bus_init_private(Manager *m) {
DBusError error;
int r;
- const char *const external_only[] = {
+ static const char *const external_only[] = {
"EXTERNAL",
NULL
};
if (set_ensure_allocated(&m->bus_connections, trivial_hash_func, trivial_compare_func) < 0 ||
set_ensure_allocated(&m->bus_connections_for_dispatch, trivial_hash_func, trivial_compare_func) < 0)
- goto oom;
+ return log_oom();
if (m->name_data_slot < 0)
if (!dbus_pending_call_allocate_data_slot(&m->name_data_slot))
- goto oom;
+ return log_oom();
if (m->conn_data_slot < 0)
if (!dbus_pending_call_allocate_data_slot(&m->conn_data_slot))
- goto oom;
+ return log_oom();
if (m->subscribed_data_slot < 0)
if (!dbus_connection_allocate_data_slot(&m->subscribed_data_slot))
- goto oom;
+ return log_oom();
if (try_bus_connect) {
if ((r = bus_init_system(m)) < 0 ||
return r;
}
- if ((r = bus_init_private(m)) < 0)
+ r = bus_init_private(m);
+ if (r < 0)
return r;
return 0;
-oom:
- return log_oom();
}
static void shutdown_connection(Manager *m, DBusConnection *c) {
- Set *s;
Job *j;
Iterator i;
JobBusClient *cl, *nextcl;
LIST_FOREACH_SAFE(client, cl, nextcl, j->bus_client_list) {
if (cl->bus == c) {
- LIST_REMOVE(JobBusClient, client, j->bus_client_list, cl);
+ LIST_REMOVE(client, j->bus_client_list, cl);
free(cl);
}
}
set_remove(m->bus_connections, c);
set_remove(m->bus_connections_for_dispatch, c);
-
- if ((s = BUS_CONNECTION_SUBSCRIBED(m, c))) {
- char *t;
-
- while ((t = set_steal_first(s)))
- free(t);
-
- set_free(s);
- }
+ set_free_free(BUS_CONNECTION_SUBSCRIBED(m, c));
if (m->queued_message_connection == c) {
m->queued_message_connection = NULL;
set_free(m->bus_connections_for_dispatch);
if (m->name_data_slot >= 0)
- dbus_pending_call_free_data_slot(&m->name_data_slot);
+ dbus_pending_call_free_data_slot(&m->name_data_slot);
if (m->conn_data_slot >= 0)
- dbus_pending_call_free_data_slot(&m->conn_data_slot);
+ dbus_pending_call_free_data_slot(&m->conn_data_slot);
if (m->subscribed_data_slot >= 0)
dbus_connection_free_data_slot(&m->subscribed_data_slot);
assert(m);
+ /* If we are reloading then we might not have deserialized the
+ subscribers yet, hence let's assume that there are some */
+
+ if (m->n_reloading > 0)
+ return true;
+
SET_FOREACH(c, m->bus_connections_for_dispatch, i)
if (bus_connection_has_subscriber(m, c))
return true;
usec_t userspace_usec,
usec_t total_usec) {
- DBusMessage *message;
+ _cleanup_dbus_message_unref_ DBusMessage *message = NULL;
assert(m);
DBUS_TYPE_UINT64, &total_usec,
DBUS_TYPE_INVALID)) {
log_oom();
- goto finish;
+ return;
}
if (bus_broadcast(m, message) < 0) {
log_oom();
- goto finish;
+ return;
+ }
+}
+
+void bus_broadcast_reloading(Manager *m, bool active) {
+
+ _cleanup_dbus_message_unref_ DBusMessage *message = NULL;
+ dbus_bool_t b = active;
+
+ assert(m);
+
+ message = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading");
+ if (!message) {
+ log_oom();
+ return;
+ }
+
+ assert_cc(sizeof(usec_t) == sizeof(uint64_t));
+ if (!dbus_message_append_args(message,
+ DBUS_TYPE_BOOLEAN, &b,
+ DBUS_TYPE_INVALID)) {
+ log_oom();
+ return;
}
-finish:
- if (message)
- dbus_message_unref(message);
+
+ if (bus_broadcast(m, message) < 0) {
+ log_oom();
+ return;
+ }
+}
+
+Set *bus_acquire_subscribed(Manager *m, DBusConnection *c) {
+ Set *s;
+
+ assert(m);
+ assert(c);
+
+ s = BUS_CONNECTION_SUBSCRIBED(m, c);
+ if (s)
+ return s;
+
+ s = set_new(string_hash_func, string_compare_func);
+ if (!s)
+ return NULL;
+
+ if (!dbus_connection_set_data(c, m->subscribed_data_slot, s, NULL)) {
+ set_free(s);
+ return NULL;
+ }
+
+ return s;
+}
+
+void bus_serialize(Manager *m, FILE *f) {
+ char *client;
+ Iterator i;
+ Set *s;
+
+ assert(m);
+ assert(f);
+
+ if (!m->api_bus)
+ return;
+
+ s = BUS_CONNECTION_SUBSCRIBED(m, m->api_bus);
+ SET_FOREACH(client, s, i)
+ fprintf(f, "subscribed=%s\n", client);
+}
+
+int bus_deserialize_item(Manager *m, const char *line) {
+ const char *e;
+ char *b;
+ Set *s;
+
+ assert(m);
+ assert(line);
+
+ if (!m->api_bus)
+ return 0;
+
+ e = startswith(line, "subscribed=");
+ if (!e)
+ return 0;
+
+ s = bus_acquire_subscribed(m, m->api_bus);
+ if (!s)
+ return -ENOMEM;
+
+ b = strdup(e);
+ if (!b)
+ return -ENOMEM;
+
+ set_consume(s, b);
+
+ return 1;
}
~ianmdlvl / elogind.git / blobdiff