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using DBus;
using GLib;
[DBus (name = "org.freedesktop.systemd1")]
public interface Manager : DBus.Object {
public struct UnitInfo {
string id;
string description;
string load_state;
string active_state;
ObjectPath unit_path;
uint32 job_id;
string job_type;
ObjectPath job_path;
}
public struct JobInfo {
uint32 id;
string name;
string type;
string state;
ObjectPath job_path;
ObjectPath unit_path;
}
public abstract UnitInfo[] ListUnits() throws DBus.Error;
public abstract JobInfo[] ListJobs() throws DBus.Error;
public abstract ObjectPath LoadUnit(string name) throws DBus.Error;
}
static string type = null;
static bool all = false;
public static int job_info_compare(void* key1, void* key2) {
Manager.JobInfo *j1 = (Manager.JobInfo*) key1;
Manager.JobInfo *j2 = (Manager.JobInfo*) key2;
return Posix.strcmp(j1->name, j2->name);
}
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);
}
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 },
{ null }
};
int main (string[] args) {
OptionContext context = new OptionContext(" -- Control systemd");
context.add_main_entries(entries, null);
try {
context.parse(ref args);
} catch (GLib.OptionError e) {
message("Failed to parse command line: %s".printf(e.message));
}
try {
Connection bus = Bus.get(BusType.SESSION);
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.ListUnits();
uint n = 0;
Posix.qsort(list, list.length, sizeof(Manager.UnitInfo), unit_info_compare);
stdout.printf("%-45s %-6s %-12s → %-15s\n\n", "UNIT", "LOAD", "ACTIVE", "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", i.id, i.load_state, i.active_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.ListJobs();
Posix.qsort(list, list.length, sizeof(Manager.JobInfo), job_info_compare);
foreach (var i in list)
stdout.printf("%-45s → %-15s %-7s\n", i.name, i.type, i.state);
} else if (args[1] == "load") {
if (args.length < 3) {
stderr.printf("Missing argument.\n");
return 1;
}
manager.LoadUnit(args[2]);
} else {
stderr.printf("Unknown command %s.\n", args[1]);
return 1;
}
} catch (DBus.Error e) {
stderr.printf("%s\n".printf(e.message));
}
return 0;
}
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