diff options
author | Lennart Poettering <lennart@poettering.net> | 2010-06-15 02:51:55 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2010-06-15 02:51:55 +0200 |
commit | 7e4249b94e7f6edb9ffa842c3e790acee298594d (patch) | |
tree | 1053be82ce4f8a008fa0a703939d1f7bf870d4bb /src/systemctl.vala | |
parent | fb1af5b0fe8e1530008bc0545b6a2e042e84c15f (diff) |
systemctl: reimplement systemctl in pure C without Vala/GObject
Diffstat (limited to 'src/systemctl.vala')
-rw-r--r-- | src/systemctl.vala | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/src/systemctl.vala b/src/systemctl.vala deleted file mode 100644 index 6cce93bec6..0000000000 --- a/src/systemctl.vala +++ /dev/null @@ -1,357 +0,0 @@ -/*** - 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 bool block = false; -static Connection? bus = null; -static List<ObjectPath> jobs = null; -static MainLoop main_loop = null; -static int exit_code = 0; - -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 monitor_on_unit_changed(Unit u) { - stdout.printf("Unit %s changed.\n", u.id); -} - -public void monitor_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 += monitor_on_unit_changed; - - /* FIXME: We leak memory here */ - u.ref(); -} - -public void monitor_on_job_changed(Job j) { - stdout.printf("Job %u changed.\n", j.id); -} - -public void monitor_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 += monitor_on_job_changed; - - /* FIXME: We leak memory here */ - j.ref(); -} - -public void monitor_on_unit_removed(string id, ObjectPath path) { - stdout.printf("Unit %s removed.\n", id); -} - -public void monitor_on_job_removed(uint32 id, ObjectPath path, bool success) { - stdout.printf("Job %u removed (success=%i).\n", id, (int) success); -} - -public void block_on_job_removed(uint32 id, ObjectPath path, bool success) { - - for (unowned List<ObjectPath> i = jobs; i != null; i = i.next) - if (i.data == path) { - jobs.remove_link(i); - break; - } - - if (jobs == null) { - if (!success) - exit_code = 1; - - main_loop.quit(); - } -} - -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 }, - { "block", 0, 0, OptionArg.NONE, out block, "Wait until the operation finished", 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 one or more units\n" + - " stop [NAME...] Stop one or more units\n" + - " restart [NAME...] Restart one or more units\n" + - " reload [NAME...] Reload one or more units\n" + - " isolate [NAME] Start one unit and stop all others\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" + - " daemon-exit Ask the daemon to quit\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; - } - - if (block) - manager.subscribe(); - - for (int i = 2; i < args.length; i++) { - - string mode = replace ? "replace" : "fail"; - ObjectPath j = null; - - if (args[1] == "start") - j = manager.start_unit(args[i], mode); - else if (args[1] == "stop") - j = manager.stop_unit(args[i], mode); - else if (args[1] == "restart") - j = manager.restart_unit(args[i], mode); - else if (args[1] == "reload") - j = manager.reload_unit(args[i], mode); - - if (block) - jobs.append(j); - } - - } else if (args[1] == "isolate") { - - if (args.length != 3) { - stderr.printf("Missing argument.\n"); - return 1; - } - - ObjectPath j = manager.start_unit(args[2], "isolate"); - - if (block) { - manager.subscribe(); - jobs.append(j); - } - - } else if (args[1] == "monitor") { - - manager.subscribe(); - - var unit_list = manager.list_units(); - - foreach (var i in unit_list) { - monitor_on_unit_new(i.id, i.unit_path); - - if (i.job_id != 0) - monitor_on_job_new(i.job_id, i.job_path); - } - - manager.unit_new += monitor_on_unit_new; - manager.unit_removed += monitor_on_unit_removed; - manager.job_new += monitor_on_job_new; - manager.job_removed += monitor_on_job_removed; - - main_loop = new MainLoop(); - main_loop.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; - } - - if (jobs != null && block) { - manager.job_removed += block_on_job_removed; - - main_loop = new MainLoop(); - main_loop.run(); - } - - } catch (DBus.Error e) { - stderr.printf("%s\n".printf(e.message)); - return 1; - } - - return exit_code; -} |