using DBus; using GLib; [DBus (name = "org.freedesktop.systemd1")] public interface Manager : DBus.Object { public struct UnitInfo { string id; string description; string load_state; string active_state; ObjectPath unit_path; uint32 job_id; string job_type; ObjectPath job_path; } public struct JobInfo { uint32 id; string name; string type; string state; ObjectPath job_path; ObjectPath unit_path; } public abstract UnitInfo[] ListUnits() throws DBus.Error; public abstract JobInfo[] ListJobs() throws DBus.Error; public abstract ObjectPath LoadUnit(string name) throws DBus.Error; public abstract void ClearJobs() throws DBus.Error; } static string type = null; static bool all = false; public static int job_info_compare(void* key1, void* key2) { Manager.JobInfo *j1 = (Manager.JobInfo*) key1; Manager.JobInfo *j2 = (Manager.JobInfo*) key2; return Posix.strcmp(j1->name, j2->name); } public static int unit_info_compare(void* key1, void* key2) { Manager.UnitInfo *u1 = (Manager.UnitInfo*) key1; Manager.UnitInfo *u2 = (Manager.UnitInfo*) key2; int r = Posix.strcmp(Posix.strrchr(u1->id, '.'), Posix.strrchr(u2->id, '.')); if (r != 0) return r; return Posix.strcmp(u1->id, u2->id); } static const OptionEntry entries[] = { { "type", 't', 0, OptionArg.STRING, out type, "List only particular type of units", "TYPE" }, { "all", 'a', 0, OptionArg.NONE, out all, "Show all units, including dead ones", null }, { null } }; int main (string[] args) { OptionContext context = new OptionContext(" -- Control systemd"); context.add_main_entries(entries, null); try { context.parse(ref args); } catch (GLib.OptionError e) { message("Failed to parse command line: %s".printf(e.message)); } try { Connection bus = Bus.get(BusType.SESSION); Manager manager = bus.get_object ( "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1") as Manager; if (args[1] == "list-units" || args.length <= 1) { var list = manager.ListUnits(); uint n = 0; Posix.qsort(list, list.length, sizeof(Manager.UnitInfo), unit_info_compare); stdout.printf("%-45s %-6s %-12s %-17s\n", "UNIT", "LOAD", "ACTIVE", "JOB"); foreach (var i in list) { if (type != null && !i.id.has_suffix(".%s".printf(type))) continue; if (!all && i.active_state == "inactive") continue; stdout.printf("%-45s %-6s %-12s", i.id, i.load_state, i.active_state); if (i.job_id != 0) stdout.printf("→ %-15s", i.job_type); stdout.puts("\n"); n++; } if (all) stdout.printf("\n%u units listed.\n", n); else stdout.printf("\n%u live units listed. Pass --all to see dead units, too.\n", n); } else if (args[1] == "list-jobs") { var list = manager.ListJobs(); Posix.qsort(list, list.length, sizeof(Manager.JobInfo), job_info_compare); stdout.printf("%-45s %-17s %-7s\n", "UNIT", "TYPE", "STATE"); foreach (var i in list) stdout.printf("%-45s → %-15s %-7s\n", i.name, i.type, i.state); stdout.printf("\n%u jobs listed.\n", list.length); } else if (args[1] == "clear-jobs") { manager.ClearJobs(); } else if (args[1] == "load") { if (args.length < 3) { stderr.printf("Missing argument.\n"); return 1; } manager.LoadUnit(args[2]); } else { stderr.printf("Unknown command %s.\n", args[1]); return 1; } } catch (DBus.Error e) { stderr.printf("%s\n".printf(e.message)); } return 0; }