174 lines
6.5 KiB
Vala
174 lines
6.5 KiB
Vala
using DBus;
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using GLib;
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static string type = null;
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static bool all = false;
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static bool replace = false;
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public static int job_info_compare(void* key1, void* key2) {
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Manager.JobInfo *j1 = (Manager.JobInfo*) key1;
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Manager.JobInfo *j2 = (Manager.JobInfo*) key2;
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return j1->id < j2->id ? -1 : (j1->id > j2->id ? 1 : 0);
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}
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public static int unit_info_compare(void* key1, void* key2) {
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Manager.UnitInfo *u1 = (Manager.UnitInfo*) key1;
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Manager.UnitInfo *u2 = (Manager.UnitInfo*) key2;
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int r = Posix.strcmp(Posix.strrchr(u1->id, '.'), Posix.strrchr(u2->id, '.'));
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if (r != 0)
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return r;
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return Posix.strcmp(u1->id, u2->id);
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}
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static const OptionEntry entries[] = {
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{ "type", 't', 0, OptionArg.STRING, out type, "List only particular type of units", "TYPE" },
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{ "all", 'a', 0, OptionArg.NONE, out all, "Show all units, including dead ones", null },
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{ "replace", 0, 0, OptionArg.NONE, out replace, "When installing a new job, replace existing conflicting ones.", null },
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{ null }
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};
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int main (string[] args) {
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OptionContext context = new OptionContext(" -- Control systemd");
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context.add_main_entries(entries, null);
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try {
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context.parse(ref args);
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} catch (GLib.OptionError e) {
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message("Failed to parse command line: %s".printf(e.message));
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}
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try {
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Connection bus = Bus.get(BusType.SESSION);
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Manager manager = bus.get_object (
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1") as Manager;
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if (args[1] == "list-units" || args.length <= 1) {
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var list = manager.list_units();
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uint n = 0;
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Posix.qsort(list, list.length, sizeof(Manager.UnitInfo), unit_info_compare);
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stdout.printf("%-45s %-6s %-12s %-17s\n", "UNIT", "LOAD", "ACTIVE", "JOB");
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foreach (var i in list) {
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if (type != null && !i.id.has_suffix(".%s".printf(type)))
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continue;
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if (!all && i.active_state == "inactive")
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continue;
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stdout.printf("%-45s %-6s %-12s", i.id, i.load_state, i.active_state);
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if (i.job_id != 0)
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stdout.printf("→ %-15s", i.job_type);
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stdout.puts("\n");
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n++;
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}
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if (all)
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stdout.printf("\n%u units listed.\n", n);
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else
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stdout.printf("\n%u live units listed. Pass --all to see dead units, too.\n", n);
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} else if (args[1] == "list-jobs") {
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var list = manager.list_jobs();
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Posix.qsort(list, list.length, sizeof(Manager.JobInfo), job_info_compare);
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stdout.printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
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foreach (var i in list)
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stdout.printf("%4u %-45s → %-15s %-7s\n", i.id, i.name, i.type, i.state);
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stdout.printf("\n%u jobs listed.\n", list.length);
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} else if (args[1] == "clear-jobs") {
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manager.clear_jobs();
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} else if (args[1] == "load") {
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if (args.length < 3) {
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stderr.printf("Missing argument.\n");
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return 1;
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}
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for (uint i = 2; i < args.length; i++)
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manager.load_unit(args[i]);
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} else if (args[1] == "cancel") {
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if (args.length < 3) {
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stderr.printf("Missing argument.\n");
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return 1;
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}
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for (uint i = 2; i < args.length; i++) {
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uint32 id;
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if (args[i].scanf("%u", out id) != 1) {
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stderr.printf("Failed to parse argument.\n");
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return 1;
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}
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ObjectPath p = manager.get_job(id);
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Job j = bus.get_object (
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"org.freedesktop.systemd1",
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p,
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"org.freedesktop.systemd1.Job") as Job;
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j.cancel();
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}
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} else if (args[1] == "start" ||
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args[1] == "stop" ||
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args[1] == "reload" ||
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args[1] == "restart") {
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if (args.length < 3) {
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stderr.printf("Missing argument.\n");
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return 1;
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}
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for (uint i = 2; i < args.length; i++) {
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ObjectPath p = manager.get_unit(args[i]);
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Unit u = bus.get_object(
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"org.freedesktop.systemd1",
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p,
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"org.freedesktop.systemd1.Unit") as Unit;
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string mode = replace ? "replace" : "fail";
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if (args[1] == "start")
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u.start(mode);
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else if (args[1] == "stop")
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u.stop(mode);
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else if (args[1] == "restart")
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u.restart(mode);
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else if (args[1] == "reload")
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u.reload(mode);
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}
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} else {
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stderr.printf("Unknown command %s.\n", args[1]);
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return 1;
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}
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} catch (DBus.Error e) {
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stderr.printf("%s\n".printf(e.message));
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}
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return 0;
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}
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