Emits reload to systemd when needed

[src/app-framework-main.git] / src / utils-systemd.c

diff --git a/src/utils-systemd.c b/src/utils-systemd.c
index 757a52c..48fb3d8 100644 (file)
--- a/src/utils-systemd.c
+++ b/src/utils-systemd.c
@@ -33,6 +33,35 @@
 # define SYSTEMD_UNITS_ROOT "/usr/local/lib/systemd"
 #endif
 
+static const char sdb_path[] = "/org/freedesktop/systemd1";
+static const char sdb_destination[] = "org.freedesktop.systemd1";
+static const char sdbi_manager[] = "org.freedesktop.systemd1.Manager";
+static const char sdbm_reload[] = "Reload";
+
+static struct sd_bus *sysbus;
+static struct sd_bus *usrbus;
+
+static int get_bus(int isuser, struct sd_bus **ret)
+{
+       int rc;
+       struct sd_bus *bus;
+
+       bus = isuser ? usrbus : sysbus;
+       if (bus) {
+               *ret = bus;
+               rc = 0;
+       } else if (isuser) {
+               rc = sd_bus_open_user(ret);
+               if (!rc)
+                       usrbus = *ret;
+       } else {
+               rc = sd_bus_open_system(ret);
+               if (!rc)
+                       sysbus = *ret;
+       }
+       return rc;
+}
+
 int systemd_get_unit_path(char *path, size_t pathlen, int isuser, const char *unit, const char *uext)
 {
        int rc = snprintf(path, pathlen, "%s/%s/%s.%s", 
@@ -75,3 +104,15 @@ int systemd_get_wants_target(char *path, size_t pathlen, const char *unit, const
        return rc;
 }
 
+int systemd_daemon_reload(int isuser)
+{
+       int rc;
+       struct sd_bus *bus;
+
+       rc = get_bus(isuser, &bus);
+       if (!rc) {
+               rc = sd_bus_call_method(bus, sdb_destination, sdb_path, sdbi_manager, sdbm_reload, NULL, NULL, NULL);
+       }
+       return rc;
+}
+