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authorTom Gundersen <teg@jklm.no>2013-08-12 00:57:16 +0200
committerTom Gundersen <teg@jklm.no>2013-10-18 00:55:24 +0200
commitd05f1cae2f2ff2828f482f943f86125dbada3f25 (patch)
tree581f448f3396f904a0212770b37a65b85cb5633f /src/cgroups-agent/cgroups-agent.c
parent0c842e0ac0293ca395724fa3aefcc2e65390c8b7 (diff)
cgroup-agent: port to sd-bus
Diffstat (limited to 'src/cgroups-agent/cgroups-agent.c')
-rw-r--r--src/cgroups-agent/cgroups-agent.c68
1 files changed, 20 insertions, 48 deletions
diff --git a/src/cgroups-agent/cgroups-agent.c b/src/cgroups-agent/cgroups-agent.c
index a47949a18..256de1f50 100644
--- a/src/cgroups-agent/cgroups-agent.c
+++ b/src/cgroups-agent/cgroups-agent.c
@@ -19,24 +19,20 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <dbus/dbus.h>
-
#include <stdlib.h>
+#include "sd-bus.h"
+
#include "log.h"
-#include "dbus-common.h"
+#include "bus-util.h"
int main(int argc, char *argv[]) {
- DBusError error;
- DBusConnection *bus = NULL;
- DBusMessage *m = NULL;
- int r = EXIT_FAILURE;
-
- dbus_error_init(&error);
+ _cleanup_bus_unref_ sd_bus *bus = NULL;
+ int r;
if (argc != 2) {
log_error("Incorrect number of arguments.");
- goto finish;
+ return EXIT_FAILURE;
}
log_set_target(LOG_TARGET_AUTO);
@@ -48,47 +44,23 @@ int main(int argc, char *argv[]) {
* this to avoid an activation loop when we start dbus when we
* are called when the dbus service is shut down. */
- bus = dbus_connection_open_private("unix:path=/run/systemd/private", &error);
- if (!bus) {
- log_warning("Failed to get D-Bus connection: %s", bus_error_message(&error));
- goto finish;
- }
-
- if (bus_check_peercred(bus) < 0) {
- log_error("Bus owner not root.");
- goto finish;
- }
-
- m = dbus_message_new_signal("/org/freedesktop/systemd1/agent", "org.freedesktop.systemd1.Agent", "Released");
- if (!m) {
- log_error("Could not allocate signal message.");
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &argv[1],
- DBUS_TYPE_INVALID)) {
- log_error("Could not attach group information to signal message.");
- goto finish;
+ r = bus_connect_system(&bus);
+ if (r < 0) {
+ log_warning("Failed to get D-Bus connection: %s", strerror(-r));
+ return EXIT_FAILURE;
}
- if (!dbus_connection_send(bus, m, NULL)) {
- log_error("Failed to send signal message on private connection.");
- goto finish;
- }
-
- r = EXIT_SUCCESS;
-
-finish:
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
+ r = sd_bus_emit_signal(bus,
+ "/org/freedesktop/systemd1/agent",
+ "org.freedesktop.systemd1.Agent",
+ "Released",
+ "s", argv[1]);
+ if (r < 0) {
+ log_error("Failed to send signal message on private connection: %s", strerror(-r));
+ return EXIT_FAILURE;
}
- if (m)
- dbus_message_unref(m);
+ sd_bus_flush(bus);
- dbus_error_free(&error);
- return r;
+ return EXIT_SUCCESS;
}