core: split out core/manager-dump.[ch]

This is a fairly specialized topic, let's create a separate file for it.
2021-06-02 09:22:08 +02:00
parent 5b326dee29
commit 2a341bb9d2
10 changed files with 106 additions and 84 deletions
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#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, const char *prefix) {
+        Job *j;
+
+        assert(s);
+        assert(f);
+
+        HASHMAP_FOREACH(j, s->jobs)
+                job_dump(j, f, prefix);
+}
+
+void manager_dump_units(Manager *s, FILE *f, const char *prefix) {
+        Unit *u;
+        const char *t;
+
+        assert(s);
+        assert(f);
+
+        HASHMAP_FOREACH_KEY(u, t, s->units)
+                if (u->id == t)
+                        unit_dump(u, f, prefix);
+}
+
+void manager_dump(Manager *m, FILE *f, const char *prefix) {
+        assert(m);
+        assert(f);
+
+        for (ManagerTimestamp q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) {
+                const dual_timestamp *t = m->timestamps + q;
+                char buf[CONST_MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
+
+                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(buf, sizeof buf, t->realtime) :
+                                                                format_timespan(buf, sizeof buf, t->monotonic, 1));
+        }
+
+        manager_dump_units(m, f, prefix);
+        manager_dump_jobs(m, f, prefix);
+}
+
+int manager_get_dump_string(Manager *m, 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, 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, "\t");
+
+        printf("-> By jobs:\n");
+        manager_dump_jobs(m, stdout, "\t");
+}