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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "bus-error.h"
#include "bus-locator.h"
#include "locale-util.h"
#include "systemctl-list-jobs.h"
#include "systemctl-util.h"
#include "systemctl.h"
#include "terminal-util.h"
static int output_waiting_jobs(sd_bus *bus, Table *table, uint32_t id, const char *method, const char *prefix) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
const char *name, *type;
uint32_t other_id;
int r;
assert(bus);
r = bus_call_method(bus, bus_systemd_mgr, method, &error, &reply, "u", id);
if (r < 0)
return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0) {
_cleanup_free_ char *row = NULL;
int rc;
if (asprintf(&row, "%s %u (%s/%s)", prefix, other_id, name, type) < 0)
return log_oom();
rc = table_add_many(table,
TABLE_STRING, special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
TABLE_STRING, row,
TABLE_EMPTY,
TABLE_EMPTY);
if (rc < 0)
return table_log_add_error(r);
}
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
return 0;
}
struct job_info {
uint32_t id;
const char *name, *type, *state;
};
static int output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
_cleanup_(table_unrefp) Table *table = NULL;
const char *on, *off;
int r;
assert(n == 0 || jobs);
if (n == 0) {
if (arg_legend != 0) {
on = ansi_highlight_green();
off = ansi_normal();
printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
}
return 0;
}
pager_open(arg_pager_flags);
table = table_new("job", "unit", "type", "state");
if (!table)
return log_oom();
table_set_header(table, arg_legend != 0);
if (arg_full)
table_set_width(table, 0);
table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
for (const struct job_info *j = jobs; j < jobs + n; j++) {
if (streq(j->state, "running"))
on = ansi_highlight();
else
on = "";
r = table_add_many(table,
TABLE_UINT, j->id,
TABLE_STRING, j->name,
TABLE_SET_COLOR, on,
TABLE_STRING, j->type,
TABLE_STRING, j->state,
TABLE_SET_COLOR, on);
if (r < 0)
return table_log_add_error(r);
if (arg_jobs_after)
output_waiting_jobs(bus, table, j->id, "GetJobAfter", "\tblocking job");
if (arg_jobs_before)
output_waiting_jobs(bus, table, j->id, "GetJobBefore", "\twaiting for job");
}
r = table_print(table, NULL);
if (r < 0)
return log_error_errno(r, "Failed to print the table: %m");
if (arg_legend != 0) {
on = ansi_highlight();
off = ansi_normal();
printf("\n%s%u jobs listed%s.\n", on, n, off);
}
return 0;
}
static bool output_show_job(struct job_info *job, char **patterns) {
return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
}
int verb_list_jobs(int argc, char *argv[], void *userdata) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
_cleanup_free_ struct job_info *jobs = NULL;
const char *name, *type, *state;
bool skipped = false;
unsigned c = 0;
sd_bus *bus;
uint32_t id;
int r;
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
r = bus_call_method(bus, bus_systemd_mgr, "ListJobs", &error, &reply, NULL);
if (r < 0)
return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
if (r < 0)
return bus_log_parse_error(r);
while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
struct job_info job = { id, name, type, state };
if (!output_show_job(&job, strv_skip(argv, 1))) {
skipped = true;
continue;
}
if (!GREEDY_REALLOC(jobs, c + 1))
return log_oom();
jobs[c++] = job;
}
if (r < 0)
return bus_log_parse_error(r);
r = sd_bus_message_exit_container(reply);
if (r < 0)
return bus_log_parse_error(r);
pager_open(arg_pager_flags);
return output_jobs_list(bus, jobs, c, skipped);
}
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