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systemctl: drop uninteresting units immediately

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Also properly free memory if list-unit-files --root=... is used.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-12-25 00:11:51 -05:00
parent b652054662
commit 8d5ba5a946
1 changed files with 29 additions and 37 deletions
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66
src/systemctl/systemctl.c
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@ -311,7 +311,7 @@ static bool output_show_unit(const UnitInfo *u, char **patterns) {
|| u->following[0]) || u->job_id > 0);
}
static void output_units_list(const UnitInfo *unit_infos, unsigned c, char** patterns) {
static void output_units_list(const UnitInfo *unit_infos, unsigned c) {
unsigned id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len;
const UnitInfo *u;
unsigned n_shown = 0;
@ -325,9 +325,6 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c, char** pat
desc_len = 0;
for (u = unit_infos; u < unit_infos + c; u++) {
if (!output_show_unit(u, patterns))
continue;
max_id_len = MAX(max_id_len, strlen(u->id));
load_len = MAX(load_len, strlen(u->load_state));
active_len = MAX(active_len, strlen(u->active_state));
@ -374,9 +371,6 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c, char** pat
const char *on_loaded, *off_loaded, *on = "";
const char *on_active, *off_active, *off = "";
if (!output_show_unit(u, patterns))
continue;
if (!n_shown && !arg_no_legend) {
printf("%-*s %-*s %-*s %-*s ",
id_len, "UNIT",
@ -454,7 +448,8 @@ static void output_units_list(const UnitInfo *unit_infos, unsigned c, char** pat
static int get_unit_list(
sd_bus *bus,
sd_bus_message **_reply,
UnitInfo **_unit_infos) {
UnitInfo **_unit_infos,
char **patterns) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
@ -486,6 +481,8 @@ static int get_unit_list(
return bus_log_parse_error(r);
while ((r = bus_parse_unit_info(reply, &u)) > 0) {
if (!output_show_unit(&u, patterns))
continue;
if (!GREEDY_REALLOC(unit_infos, size, c+1))
return log_oom();
@ -515,12 +512,12 @@ static int list_units(sd_bus *bus, char **args) {
pager_open_if_enabled();
r = get_unit_list(bus, &reply, &unit_infos);
r = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
if (r < 0)
return r;
qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info);
output_units_list(unit_infos, r, strv_skip_first(args));
output_units_list(unit_infos, r);
return 0;
}
@ -692,7 +689,7 @@ static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) {
static int list_sockets(sd_bus *bus, char **args) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_free_ UnitInfo *unit_infos = NULL;
struct socket_info *socket_infos = NULL;
_cleanup_free_ struct socket_info *socket_infos = NULL;
const UnitInfo *u;
struct socket_info *s;
unsigned cs = 0;
@ -701,7 +698,7 @@ static int list_sockets(sd_bus *bus, char **args) {
pager_open_if_enabled();
n = get_unit_list(bus, &reply, &unit_infos);
n = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
if (n < 0)
return n;
@ -709,9 +706,6 @@ static int list_sockets(sd_bus *bus, char **args) {
_cleanup_strv_free_ char **listening = NULL, **triggered = NULL;
int i, c;
if (!output_show_unit(u, strv_skip_first(args)))
continue;
if (!endswith(u->id, ".socket"))
continue;
@ -758,7 +752,6 @@ static int list_sockets(sd_bus *bus, char **args) {
if (s->own_triggered)
strv_free(s->triggered);
}
free(socket_infos);
return r;
}
@ -915,7 +908,7 @@ static int list_timers(sd_bus *bus, char **args) {
pager_open_if_enabled();
n = get_unit_list(bus, &reply, &unit_infos);
n = get_unit_list(bus, &reply, &unit_infos, strv_skip_first(args));
if (n < 0)
return n;
@ -926,9 +919,6 @@ static int list_timers(sd_bus *bus, char **args) {
dual_timestamp next;
usec_t m;
if (!output_show_unit(u, strv_skip_first(args)))
continue;
if (!endswith(u->id, ".timer"))
continue;
@ -1014,7 +1004,7 @@ static bool output_show_unit_file(const UnitFileList *u, char **patterns) {
return !arg_types || ((dot = strrchr(u->path, '.')) && strv_find(arg_types, dot+1));
}
static void output_unit_file_list(const UnitFileList *units, unsigned c, char **patterns) {
static void output_unit_file_list(const UnitFileList *units, unsigned c) {
unsigned max_id_len, id_cols, state_cols, n_shown = 0;
const UnitFileList *u;
@ -1022,9 +1012,6 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c, char **
state_cols = sizeof("STATE")-1;
for (u = units; u < units + c; u++) {
if (!output_show_unit_file(u, patterns))
continue;
max_id_len = MAX(max_id_len, strlen(basename(u->path)));
state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state)));
}
@ -1049,9 +1036,6 @@ static void output_unit_file_list(const UnitFileList *units, unsigned c, char **
const char *on, *off;
const char *id;
if (!output_show_unit_file(u, patterns))
continue;
n_shown++;
if (u->state == UNIT_FILE_MASKED ||
@ -1083,6 +1067,8 @@ static int list_unit_files(sd_bus *bus, char **args) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ UnitFileList *units = NULL;
UnitFileList *unit;
size_t size = 0;
unsigned c = 0;
const char *state;
char *path;
@ -1115,15 +1101,16 @@ static int list_unit_files(sd_bus *bus, char **args) {
}
HASHMAP_FOREACH(u, h, i) {
memcpy(units + c++, u, sizeof(UnitFileList));
if (!output_show_unit_file(u, strv_skip_first(args)))
continue;
units[c++] = *u;
free(u);
}
assert(c == n_units);
assert(c <= n_units);
hashmap_free(h);
} else {
size_t size = 0;
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
@ -1147,10 +1134,14 @@ static int list_unit_files(sd_bus *bus, char **args) {
if (!GREEDY_REALLOC(units, size, c + 1))
return log_oom();
units[c++] = (struct UnitFileList) {
units[c] = (struct UnitFileList) {
path,
unit_file_state_from_string(state)
};
if (output_show_unit_file(&units[c], strv_skip_first(args)))
c ++;
}
if (r < 0)
return bus_log_parse_error(r);
@ -1162,9 +1153,13 @@ static int list_unit_files(sd_bus *bus, char **args) {
if (c > 0) {
qsort(units, c, sizeof(UnitFileList), compare_unit_file_list);
output_unit_file_list(units, c, strv_skip_first(args));
output_unit_file_list(units, c);
}
if (avoid_bus())
for (unit = units; unit < units + c; unit++)
free(unit->path);
return 0;
}
@ -3714,7 +3709,7 @@ static int show_all(
unsigned c;
int r;
r = get_unit_list(bus, &reply, &unit_infos);
r = get_unit_list(bus, &reply, &unit_infos, NULL);
if (r < 0)
return r;
@ -3727,9 +3722,6 @@ static int show_all(
for (u = unit_infos; u < unit_infos + c; u++) {
_cleanup_free_ char *p = NULL;
if (!output_show_unit(u, NULL))
continue;
p = unit_dbus_path_from_name(u->id);
if (!p)
return log_oom();