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loginctl: port loginctl to format-table.[ch]
This commit is contained in:
Lennart Poettering
parent
930a08dabc
commit
99f1229d76
@ -19,6 +19,7 @@
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#include "bus-util.h"
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#include "cgroup-show.h"
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#include "cgroup-util.h"
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#include "format-table.h"
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#include "log.h"
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#include "logs-show.h"
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#include "macro.h"
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@ -86,13 +87,39 @@ static int get_session_path(sd_bus *bus, const char *session_id, sd_bus_error *e
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return 0;
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}
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static int show_table(Table *table, const char *word) {
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int r;
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assert(table);
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assert(word);
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if (table_get_rows(table) > 1) {
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r = table_set_sort(table, (size_t) 0, (size_t) -1);
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if (r < 0)
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return log_error_errno(r, "Failed to sort table: %m");
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table_set_header(table, arg_legend);
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r = table_print(table, NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to show table: %m");
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}
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if (arg_legend) {
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if (table_get_rows(table) > 1)
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printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
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else
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printf("No %s.\n", word);
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}
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return 0;
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}
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static int list_sessions(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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const char *id, *user, *seat, *object;
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_cleanup_(table_unrefp) Table *table = NULL;
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sd_bus *bus = userdata;
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unsigned k = 0;
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uint32_t uid;
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int r;
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assert(bus);
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@ -107,67 +134,74 @@ static int list_sessions(int argc, char *argv[], void *userdata) {
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"org.freedesktop.login1.Manager",
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"ListSessions",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list sessions: %s", bus_error_message(&error, r));
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return r;
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}
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NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to list sessions: %s", bus_error_message(&error, r));
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r = sd_bus_message_enter_container(reply, 'a', "(susso)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%10s %10s %-16s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT", "TTY");
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table = table_new("SESSION", "UID", "USER", "SEAT", "TTY");
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if (!table)
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return log_oom();
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while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) {
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_cleanup_(sd_bus_error_free) sd_bus_error error2 = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply2 = NULL;
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/* Right-align the first two fields (since they are numeric) */
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(void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
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(void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
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for (;;) {
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_cleanup_(sd_bus_error_free) sd_bus_error error_tty = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_tty = NULL;
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const char *id, *user, *seat, *object, *tty = NULL;
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_cleanup_free_ char *path = NULL;
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const char *tty = NULL;
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uint32_t uid;
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r = get_session_path(bus, id, &error2, &path);
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r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object);
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if (r < 0)
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log_warning("Failed to get session path: %s", bus_error_message(&error, r));
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return bus_log_parse_error(r);
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if (r == 0)
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break;
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r = sd_bus_get_property(
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bus,
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"org.freedesktop.login1",
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object,
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"org.freedesktop.login1.Session",
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"TTY",
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&error_tty,
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&reply_tty,
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"s");
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if (r < 0)
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log_warning_errno(r, "Failed to get TTY for session %s: %s", id, bus_error_message(&error_tty, r));
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else {
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r = sd_bus_get_property(
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bus,
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"org.freedesktop.login1",
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path,
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"org.freedesktop.login1.Session",
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"TTY",
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&error2,
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&reply2,
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"s");
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r = sd_bus_message_read(reply_tty, "s", &tty);
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if (r < 0)
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log_warning("Failed to get TTY for session %s: %s",
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id, bus_error_message(&error2, r));
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else {
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r = sd_bus_message_read(reply2, "s", &tty);
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if (r < 0)
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return bus_log_parse_error(r);
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}
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return bus_log_parse_error(r);
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}
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printf("%10s %10"PRIu32" %-16s %-16s %-16s\n", id, uid, user, seat, strna(tty));
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k++;
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r = table_add_many(table,
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TABLE_STRING, id,
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TABLE_UINT32, uid,
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TABLE_STRING, user,
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TABLE_STRING, seat,
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TABLE_STRING, strna(tty));
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if (r < 0)
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return log_error_errno(r, "Failed to add row to table: %m");
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}
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u sessions listed.\n", k);
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return 0;
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return show_table(table, "sessions");
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}
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static int list_users(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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const char *user, *object;
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_cleanup_(table_unrefp) Table *table = NULL;
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sd_bus *bus = userdata;
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unsigned k = 0;
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uint32_t uid;
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int r;
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assert(bus);
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@ -182,39 +216,51 @@ static int list_users(int argc, char *argv[], void *userdata) {
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"org.freedesktop.login1.Manager",
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"ListUsers",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list users: %s", bus_error_message(&error, r));
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return r;
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}
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NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to list users: %s", bus_error_message(&error, r));
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r = sd_bus_message_enter_container(reply, 'a', "(uso)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%10s %-16s\n", "UID", "USER");
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table = table_new("UID", "USER");
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if (!table)
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return log_oom();
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while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) {
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printf("%10"PRIu32" %-16s\n", uid, user);
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k++;
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(void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
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for (;;) {
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const char *user, *object;
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uint32_t uid;
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r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object);
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if (r < 0)
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return bus_log_parse_error(r);
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if (r == 0)
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break;
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r = table_add_many(table,
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TABLE_UINT32, uid,
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TABLE_STRING, user);
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if (r < 0)
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return log_error_errno(r, "Failed to add row to table: %m");
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}
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u users listed.\n", k);
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return 0;
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return show_table(table, "users");
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}
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static int list_seats(int argc, char *argv[], void *userdata) {
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_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
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_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
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const char *seat, *object;
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_cleanup_(table_unrefp) Table *table = NULL;
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sd_bus *bus = userdata;
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unsigned k = 0;
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int r;
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assert(bus);
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assert(argv);
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@ -227,30 +273,37 @@ static int list_seats(int argc, char *argv[], void *userdata) {
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"org.freedesktop.login1.Manager",
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"ListSeats",
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&error, &reply,
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"");
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if (r < 0) {
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log_error("Failed to list seats: %s", bus_error_message(&error, r));
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return r;
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}
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NULL);
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if (r < 0)
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return log_error_errno(r, "Failed to list seats: %s", bus_error_message(&error, r));
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r = sd_bus_message_enter_container(reply, 'a', "(so)");
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("%-16s\n", "SEAT");
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table = table_new("SEAT");
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if (!table)
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return log_oom();
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while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) {
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printf("%-16s\n", seat);
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k++;
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for (;;) {
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const char *seat, *object;
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r = sd_bus_message_read(reply, "(so)", &seat, &object);
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if (r < 0)
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return bus_log_parse_error(r);
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if (r == 0)
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break;
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r = table_add_cell(table, NULL, TABLE_STRING, seat);
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if (r < 0)
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return log_error_errno(r, "Failed to add row to table: %m");
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}
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r = sd_bus_message_exit_container(reply);
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if (r < 0)
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return bus_log_parse_error(r);
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if (arg_legend)
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printf("\n%u seats listed.\n", k);
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return 0;
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return show_table(table, "seats");
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}
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static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) {
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