mirror of
https://github.com/AuxXxilium/eudev.git
synced 2024-12-22 15:03:34 +07:00
322 lines
13 KiB
Vala
322 lines
13 KiB
Vala
/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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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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static bool session = false;
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static Connection bus = null;
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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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public void on_unit_changed(Unit u) {
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stdout.printf("Unit %s changed.\n", u.id);
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}
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public void on_unit_new(string id, ObjectPath path) {
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stdout.printf("Unit %s added.\n", id);
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Unit u = bus.get_object(
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"org.freedesktop.systemd1",
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path,
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"org.freedesktop.systemd1.Unit") as Unit;
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u.changed += on_unit_changed;
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/* FIXME: We leak memory here */
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u.ref();
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}
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public void on_job_changed(Job j) {
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stdout.printf("Job %u changed.\n", j.id);
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}
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public void on_job_new(uint32 id, ObjectPath path) {
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stdout.printf("Job %u added.\n", id);
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Job j = bus.get_object(
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"org.freedesktop.systemd1",
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path,
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"org.freedesktop.systemd1.Job") as Job;
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j.changed += on_job_changed;
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/* FIXME: We leak memory here */
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j.ref();
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}
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public void on_unit_removed(string id, ObjectPath path) {
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stdout.printf("Unit %s removed.\n", id);
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}
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public void on_job_removed(uint32 id, ObjectPath path) {
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stdout.printf("Job %u removed.\n", 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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{ "session", 0, 0, OptionArg.NONE, out session, "Connect to session bus", null },
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{ "system", 0, OptionFlags.REVERSE, OptionArg.NONE, out session, "Connect to system bus", 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("[COMMAND [ARGUMENT...]]");
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context.add_main_entries(entries, null);
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context.set_description(
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"Commands:\n" +
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" list-units List units\n" +
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" list-jobs List jobs\n" +
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" clear-jobs Cancel all jobs\n" +
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" load [NAME...] Load one or more units\n" +
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" cancel [JOB...] Cancel one or more jobs\n" +
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" start [NAME...] Start on or more units\n" +
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" stop [NAME...] Stop on or more units\n" +
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" enter [NAME] Start one unit and stop all others\n" +
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" restart [NAME...] Restart on or more units\n" +
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" reload [NAME...] Reload on or more units\n" +
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" monitor Monitor unit/job changes\n" +
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" dump Dump server status\n" +
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" snapshot [NAME] Create a snapshot\n" +
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" daemon-reload Reload daemon configuration\n" +
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" daemon-reexecute Reexecute daemon\n" +
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" show-environment Dump environment\n" +
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" set-environment [NAME=VALUE...] Set one or more environment variables\n" +
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" unset-environment [NAME...] Unset one or more environment variables\n");
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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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bus = Bus.get(session ? BusType.SESSION : BusType.SYSTEM);
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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.Manager") 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 %-12s %-17s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "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 %-12s", i.id, i.load_state, i.active_state, i.sub_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 (int 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 (int 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 (int i = 2; i < args.length; i++) {
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ObjectPath p = manager.load_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 if (args[1] == "isolate") {
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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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ObjectPath p = manager.load_unit(args[2]);
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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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u.start("isolate");
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} else if (args[1] == "monitor") {
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manager.subscribe();
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manager.unit_new += on_unit_new;
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manager.unit_removed += on_unit_removed;
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manager.job_new += on_job_new;
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manager.job_removed += on_job_removed;
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MainLoop l = new MainLoop();
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l.run();
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} else if (args[1] == "dump")
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stdout.puts(manager.dump());
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else if (args[1] == "snapshot") {
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ObjectPath p = manager.create_snapshot(args.length > 2 ? args[2] : "");
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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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stdout.printf("%s\n", u.id);
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} else if (args[1] == "daemon-reload")
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manager.reload();
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else if (args[1] == "daemon-reexecute" || args[1] == "daemon-reexec")
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manager.reexecute();
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else if (args[1] == "daemon-exit")
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manager.exit();
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else if (args[1] == "show-environment") {
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foreach(var x in manager.environment)
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stderr.printf("%s\n", x);
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} else if (args[1] == "set-environment")
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manager.set_environment(args[2:args.length]);
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else if (args[1] == "unset-environment")
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manager.unset_environment(args[2:args.length]);
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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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