diff options
Diffstat (limited to 'systemctl.vala')
| -rw-r--r-- | systemctl.vala | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/systemctl.vala b/systemctl.vala new file mode 100644 index 0000000000..cbde75dc7f --- /dev/null +++ b/systemctl.vala @@ -0,0 +1,173 @@ +using DBus; +using GLib; + +static string type = null; +static bool all = false; +static bool replace = false; + +public static int job_info_compare(void* key1, void* key2) { + Manager.JobInfo *j1 = (Manager.JobInfo*) key1; + Manager.JobInfo *j2 = (Manager.JobInfo*) key2; + + return j1->id < j2->id ? -1 : (j1->id > j2->id ? 1 : 0); +} + +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 }, + { "replace", 0, 0, OptionArg.NONE, out replace, "When installing a new job, replace existing conflicting 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.list_units(); + 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.list_jobs(); + Posix.qsort(list, list.length, sizeof(Manager.JobInfo), job_info_compare); + + stdout.printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE"); + + foreach (var i in list) + stdout.printf("%4u %-45s → %-15s %-7s\n", i.id, i.name, i.type, i.state); + + stdout.printf("\n%u jobs listed.\n", list.length); + + } else if (args[1] == "clear-jobs") { + + manager.clear_jobs(); + + } else if (args[1] == "load") { + + if (args.length < 3) { + stderr.printf("Missing argument.\n"); + return 1; + } + + for (uint i = 2; i < args.length; i++) + manager.load_unit(args[i]); + + } else if (args[1] == "cancel") { + + if (args.length < 3) { + stderr.printf("Missing argument.\n"); + return 1; + } + + for (uint i = 2; i < args.length; i++) { + uint32 id; + + if (args[i].scanf("%u", out id) != 1) { + stderr.printf("Failed to parse argument.\n"); + return 1; + } + + ObjectPath p = manager.get_job(id); + + Job j = bus.get_object ( + "org.freedesktop.systemd1", + p, + "org.freedesktop.systemd1.Job") as Job; + + j.cancel(); + } + + } else if (args[1] == "start" || + args[1] == "stop" || + args[1] == "reload" || + args[1] == "restart") { + + if (args.length < 3) { + stderr.printf("Missing argument.\n"); + return 1; + } + + for (uint i = 2; i < args.length; i++) { + + ObjectPath p = manager.get_unit(args[i]); + + Unit u = bus.get_object( + "org.freedesktop.systemd1", + p, + "org.freedesktop.systemd1.Unit") as Unit; + + string mode = replace ? "replace" : "fail"; + + if (args[1] == "start") + u.start(mode); + else if (args[1] == "stop") + u.stop(mode); + else if (args[1] == "restart") + u.restart(mode); + else if (args[1] == "reload") + u.reload(mode); + } + + } else { + stderr.printf("Unknown command %s.\n", args[1]); + return 1; + } + + } catch (DBus.Error e) { + stderr.printf("%s\n".printf(e.message)); + } + + return 0; +} |