/*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with systemd; If not, see . ***/ using DBus; using GLib; static string type = null; static bool all = false; static bool replace = false; static bool session = 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); } public void on_unit_new(string id, ObjectPath path) { stdout.printf("Unit %s added.\n", id); } public void on_job_new(uint32 id, ObjectPath path) { stdout.printf("Job %u added.\n", id); } public void on_unit_removed(string id, ObjectPath path) { stdout.printf("Unit %s removed.\n", id); } public void on_job_removed(uint32 id, ObjectPath path) { stdout.printf("Job %u removed.\n", 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 }, { "session", 0, 0, OptionArg.NONE, out session, "Connect to session bus", null }, { "system", 0, OptionFlags.REVERSE, OptionArg.NONE, out session, "Connect to system bus", null }, { null } }; int main (string[] args) { OptionContext context = new OptionContext("[OPTION...] [COMMAND [ARGUMENT...]]"); context.add_main_entries(entries, null); context.set_description( "Commands:\n" + " list-units List units\n" + " list-jobs List jobs\n" + " clear-jobs Cancel all jobs\n" + " load [NAME...] Load one or more units\n" + " cancel [JOB...] Cancel one or more jobs\n" + " start [NAME...] Start on or more units\n" + " stop [NAME...] Stop on or more units\n" + " restart [NAME...] Restart on or more units\n" + " reload [NAME...] Reload on or more units\n" + " monitor Monitor unit/job changes\n" + " dump Dump servier status\n" + " snapshot [NAME] Create a snapshot\n"); try { context.parse(ref args); } catch (GLib.OptionError e) { message("Failed to parse command line: %s".printf(e.message)); } try { Connection bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM); 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 %-12s %-17s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "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 %-12s", i.id, i.load_state, i.active_state, i.sub_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 (int 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 (int 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 (int 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 if (args[1] == "monitor") { manager.subscribe(); manager.unit_new += on_unit_new; manager.unit_removed += on_unit_removed; manager.job_new += on_job_new; manager.job_removed += on_job_removed; MainLoop l = new MainLoop(); l.run(); } else if (args[1] == "dump") stdout.puts(manager.dump()); else if (args[1] == "snapshot") { ObjectPath p = manager.create_snapshot(args.length > 2 ? args[2] : ""); Unit u = bus.get_object( "org.freedesktop.systemd1", p, "org.freedesktop.systemd1.Unit") as Unit; stdout.printf("%s\n", u.id); } else { stderr.printf("Unknown command %s.\n", args[1]); return 1; } } catch (DBus.Error e) { stderr.printf("%s\n".printf(e.message)); } return 0; }