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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "build.h"
#include "fd-util.h"
#include "fileio.h"
#include "hashmap.h"
#include "manager-dump.h"
#include "unit-serialize.h"
void manager_dump_jobs(Manager *s, FILE *f, char **patterns, const char *prefix) {
Job *j;
assert(s);
assert(f);
HASHMAP_FOREACH(j, s->jobs) {
if (!strv_fnmatch_or_empty(patterns, j->unit->id, FNM_NOESCAPE))
continue;
job_dump(j, f, prefix);
}
}
void manager_dump_units(Manager *s, FILE *f, char **patterns, const char *prefix) {
Unit *u;
const char *t;
assert(s);
assert(f);
HASHMAP_FOREACH_KEY(u, t, s->units) {
if (u->id != t)
continue;
if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE))
continue;
unit_dump(u, f, prefix);
}
}
static void manager_dump_header(Manager *m, FILE *f, const char *prefix) {
/* NB: this is a debug interface for developers. It's not supposed to be machine readable or be
* stable between versions. We take the liberty to restructure it entirely between versions and
* add/remove fields at will. */
fprintf(f, "%sManager: systemd " STRINGIFY(PROJECT_VERSION) " (" GIT_VERSION ")\n", strempty(prefix));
fprintf(f, "%sFeatures: %s\n", strempty(prefix), systemd_features);
for (ManagerTimestamp q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
const dual_timestamp *t = m->timestamps + q;
if (dual_timestamp_is_set(t))
fprintf(f, "%sTimestamp %s: %s\n",
strempty(prefix),
manager_timestamp_to_string(q),
timestamp_is_set(t->realtime) ? FORMAT_TIMESTAMP(t->realtime) :
FORMAT_TIMESPAN(t->monotonic, 1));
}
}
void manager_dump(Manager *m, FILE *f, char **patterns, const char *prefix) {
assert(m);
assert(f);
/* If no pattern is provided, dump the full manager state including the manager version, features and
* so on. Otherwise limit the dump to the units/jobs matching the specified patterns. */
if (!patterns)
manager_dump_header(m, f, prefix);
manager_dump_units(m, f, patterns, prefix);
manager_dump_jobs(m, f, patterns, prefix);
}
int manager_get_dump_string(Manager *m, char **patterns, char **ret) {
_cleanup_free_ char *dump = NULL;
_cleanup_fclose_ FILE *f = NULL;
size_t size;
int r;
assert(m);
assert(ret);
f = open_memstream_unlocked(&dump, &size);
if (!f)
return -errno;
manager_dump(m, f, patterns, NULL);
r = fflush_and_check(f);
if (r < 0)
return r;
f = safe_fclose(f);
*ret = TAKE_PTR(dump);
return 0;
}
void manager_test_summary(Manager *m) {
assert(m);
printf("-> By units:\n");
manager_dump_units(m, stdout, /* patterns= */ NULL, "\t");
printf("-> By jobs:\n");
manager_dump_jobs(m, stdout, /* patterns= */ NULL, "\t");
}
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