src/journal/test-journal-flush.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2013 Lennart Poettering
   6 ***/
   7
   8 #include <fcntl.h>
   9
  10 #include "sd-journal.h"
  11
  12 #include "alloc-util.h"
  13 #include "journal-file.h"
  14 #include "journal-internal.h"
  15 #include "macro.h"
  16 #include "string-util.h"
  17
  18 int main(int argc, char *argv[]) {
  19         _cleanup_free_ char *fn = NULL;
  20         char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
  21         JournalFile *new_journal = NULL;
  22         sd_journal *j = NULL;
  23         unsigned n = 0;
  24         int r;
  25
  26         assert_se(mkdtemp(dn));
  27         fn = strappend(dn, "/test.journal");
  28
  29         r = journal_file_open(-1, fn, O_CREAT|O_RDWR, 0644, false, 0, false, NULL, NULL, NULL, NULL, &new_journal);
  30         assert_se(r >= 0);
  31
  32         r = sd_journal_open(&j, 0);
  33         assert_se(r >= 0);
  34
  35         sd_journal_set_data_threshold(j, 0);
  36
  37         SD_JOURNAL_FOREACH(j) {
  38                 Object *o;
  39                 JournalFile *f;
  40
  41                 f = j->current_file;
  42                 assert_se(f && f->current_offset > 0);
  43
  44                 r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
  45                 assert_se(r >= 0);
  46
  47                 r = journal_file_copy_entry(f, new_journal, o, f->current_offset);
  48                 assert_se(r >= 0);
  49
  50                 n++;
  51                 if (n > 10000)
  52                         break;
  53         }
  54
  55         sd_journal_close(j);
  56
  57         (void) journal_file_close(new_journal);
  58
  59         unlink(fn);
  60         assert_se(rmdir(dn) == 0);
  61
  62         return 0;
  63 }