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diff --git a/src/systemctl.vala b/src/systemctl.vala
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+/***
+ 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 <http://www.gnu.org/licenses/>.
+***/
+
+using DBus;
+using GLib;
+
+static string type = null;
+static bool all = false;
+static bool replace = false;
+static bool session = false;
+static Connection bus = null;
+
+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_changed(Unit u) {
+ stdout.printf("Unit %s changed.\n", u.id);
+}
+
+public void on_unit_new(string id, ObjectPath path) {
+ stdout.printf("Unit %s added.\n", id);
+
+ Unit u = bus.get_object(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Unit") as Unit;
+
+ u.changed += on_unit_changed;
+
+ /* FIXME: We leak memory here */
+ u.ref();
+}
+
+public void on_job_changed(Job j) {
+ stdout.printf("Job %u changed.\n", j.id);
+}
+
+public void on_job_new(uint32 id, ObjectPath path) {
+ stdout.printf("Job %u added.\n", id);
+
+ Job j = bus.get_object(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.systemd1.Job") as Job;
+
+ j.changed += on_job_changed;
+
+ /* FIXME: We leak memory here */
+ j.ref();
+}
+
+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("[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" +
+ " enter [NAME] Start one unit and stop all others\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 server status\n" +
+ " snapshot [NAME] Create a snapshot\n" +
+ " daemon-reload Reload daemon configuration\n" +
+ " daemon-reexecute Reexecute daemon\n" +
+ " show-environment Dump environment\n" +
+ " set-environment [NAME=VALUE...] Set one or more environment variables\n" +
+ " unset-environment [NAME...] Unset one or more environment variables\n");
+
+ try {
+ context.parse(ref args);
+ } catch (GLib.OptionError e) {
+ message("Failed to parse command line: %s".printf(e.message));
+ }
+
+ try {
+ bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM);
+
+ Manager manager = bus.get_object (
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager") 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.load_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] == "isolate") {
+
+ if (args.length != 3) {
+ stderr.printf("Missing argument.\n");
+ return 1;
+ }
+
+ ObjectPath p = manager.load_unit(args[2]);
+
+ Unit u = bus.get_object(
+ "org.freedesktop.systemd1",
+ p,
+ "org.freedesktop.systemd1.Unit") as Unit;
+
+ u.start("isolate");
+
+ } 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 if (args[1] == "daemon-reload")
+ manager.reload();
+
+ else if (args[1] == "daemon-reexecute" || args[1] == "daemon-reexec")
+ manager.reexecute();
+
+ else if (args[1] == "daemon-exit")
+ manager.exit();
+
+ else if (args[1] == "show-environment") {
+ foreach(var x in manager.environment)
+ stderr.printf("%s\n", x);
+
+ } else if (args[1] == "set-environment")
+ manager.set_environment(args[2:args.length]);
+
+ else if (args[1] == "unset-environment")
+ manager.unset_environment(args[2:args.length]);
+
+ else {
+ stderr.printf("Unknown command %s.\n", args[1]);
+ return 1;
+ }
+
+ } catch (DBus.Error e) {
+ stderr.printf("%s\n".printf(e.message));
+ }
+
+ return 0;
+}