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systemctl: sort 'list-units' output

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This commit is contained in:
Lennart Poettering
2010-08-14 03:40:10 +02:00
parent 2cf19a7a8f
commit 36c32ba297
2 changed files with 86 additions and 34 deletions
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fixme
-4
View File
@@ -65,16 +65,12 @@
* if a service fails too often, make the service enter maintainence mode, and the socket, too.
* j->installed issue
* Ray: plymouth after/before getty? https://bugzilla.redhat.com/show_bug.cgi?id=623430
* be more forgiving when parsing unit files, when encountering incorrect lines with assignments
* agetty darf nicht mit emergency.service kollidieren
* sort systemctl list-units/lis-jobs output
External:
* sysv functions should color when stdout is tty, not stdin
src/systemctl.c
+86 -30
View File
@@ -188,12 +188,43 @@ static void warn_wall(enum action action) {
utmp_wall(table[action]);
}
struct unit_info {
const char *id;
const char *description;
const char *load_state;
const char *active_state;
const char *sub_state;
const char *following;
const char *unit_path;
uint32_t job_id;
const char *job_type;
const char *job_path;
};
static int compare_unit_info(const void *a, const void *b) {
const char *d1, *d2;
const struct unit_info *u = a, *v = b;
d1 = strrchr(u->id, '.');
d2 = strrchr(v->id, '.');
if (d1 && d2) {
int r;
if ((r = strcmp(d1, d2)) != 0)
return r;
}
return strcmp(u->id, v->id);
}
static int list_units(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
DBusMessageIter iter, sub, sub2;
unsigned k = 0;
unsigned c = 0, k, n_units = 0;
struct unit_info *unit_infos = NULL;
dbus_error_init(&error);
@@ -224,12 +255,8 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
dbus_message_iter_recurse(&iter, &sub);
if (isatty(STDOUT_FILENO))
printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path, *job_type, *job_path, *dot;
uint32_t job_id;
struct unit_info *u;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
log_error("Failed to parse reply.");
@@ -237,59 +264,86 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
goto finish;
}
if (c >= n_units) {
struct unit_info *w;
n_units = MAX(2*c, 16);
w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
if (!w) {
log_error("Failed to allocate unit array.");
r = -ENOMEM;
goto finish;
}
unit_infos = w;
}
u = unit_infos+c;
dbus_message_iter_recurse(&sub, &sub2);
if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) {
if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
}
if ((!arg_type || ((dot = strrchr(id, '.')) &&
dbus_message_iter_next(&sub);
c++;
}
qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
if (isatty(STDOUT_FILENO))
printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
for (k = 0; k < c; k++) {
const char *dot;
struct unit_info *u = unit_infos+k;
if ((!arg_type || ((dot = strrchr(u->id, '.')) &&
streq(dot+1, arg_type))) &&
(arg_all || !(streq(active_state, "inactive") || following[0]) || job_id > 0)) {
(arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0)) {
char *e;
int a = 0, b = 0;
const char *on, *off;
if (streq(active_state, "maintenance")) {
if (streq(u->active_state, "maintenance")) {
on = ansi_highlight(true);
off = ansi_highlight(false);
} else
on = off = "";
e = arg_full ? NULL : ellipsize(id, 45, 33);
printf("%-45s %-6s %s%-12s %-12s%s%n", e ? e : id, load_state, on, active_state, sub_state, off, &a);
e = arg_full ? NULL : ellipsize(u->id, 45, 33);
printf("%-45s %-6s %s%-12s %-12s%s%n", e ? e : u->id, u->load_state, on, u->active_state, u->sub_state, off, &a);
free(e);
a -= strlen(on) + strlen(off);
if (job_id != 0)
printf(" => %-12s%n", job_type, &b);
if (u->job_id != 0)
printf(" => %-12s%n", u->job_type, &b);
else
b = 1 + 15;
if (a + b + 2 < columns()) {
if (job_id == 0)
if (u->job_id == 0)
printf(" ");
printf(" %.*s", columns() - a - b - 2, description);
printf(" %.*s", columns() - a - b - 2, u->description);
}
fputs("\n", stdout);
k++;
}
dbus_message_iter_next(&sub);
}
if (isatty(STDOUT_FILENO)) {
@@ -300,9 +354,9 @@ static int list_units(DBusConnection *bus, char **args, unsigned n) {
"JOB = Job, shows pending jobs for the unit.\n");
if (arg_all)
printf("\n%u units listed.\n", k);
printf("\n%u units listed.\n", c);
else
printf("\n%u units listed. Pass --all to see inactive units, too.\n", k);
printf("\n%u units listed. Pass --all to see inactive units, too.\n", c);
}
r = 0;
@@ -314,6 +368,8 @@ finish:
if (reply)
dbus_message_unref(reply);
free(unit_infos);
dbus_error_free(&error);
return r;