diff options
| -rw-r--r-- | .gitignore | 2 | ||||
| -rw-r--r-- | Makefile | 7 | ||||
| -rw-r--r-- | systemctl.vala | 134 |
3 files changed, 141 insertions, 2 deletions
diff --git a/.gitignore b/.gitignore index 7f892d0570..c15a61be48 100644 --- a/.gitignore +++ b/.gitignore @@ -3,3 +3,5 @@ systemd test-engine test-job-type systemd-logger +systemctl +systemctl.c @@ -29,7 +29,7 @@ COMMON= \ dbus-unit.o \ dbus-job.o -all: systemd test-engine test-job-type systemd-logger +all: systemd test-engine test-job-type systemd-logger systemctl systemd: main.o $(COMMON) $(CC) $(CFLAGS) -o $@ $^ $(LIBS) @@ -43,5 +43,8 @@ test-engine: test-engine.o $(COMMON) test-job-type: test-job-type.o $(COMMON) $(CC) $(CFLAGS) -o $@ $^ $(LIBS) +systemctl: systemctl.vala + valac --save-temps systemctl.vala --pkg=dbus-glib-1 --pkg=posix + clean: - rm -f *.o systemd test-engine + rm -f *.o systemd test-engine systemctl diff --git a/systemctl.vala b/systemctl.vala new file mode 100644 index 0000000000..f3b2e62e59 --- /dev/null +++ b/systemctl.vala @@ -0,0 +1,134 @@ +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; +} |