src/journal/test-journal-flush.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <unistd.h>
   5
   6 #include "sd-journal.h"
   7
   8 #include "alloc-util.h"
   9 #include "chattr-util.h"
  10 #include "journal-file.h"
  11 #include "journal-internal.h"
  12 #include "macro.h"
  13 #include "path-util.h"
  14 #include "string-util.h"
  15
  16 int main(int argc, char *argv[]) {
  17         _cleanup_free_ char *fn = NULL;
  18         char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
  19         JournalFile *new_journal = NULL;
  20         sd_journal *j = NULL;
  21         unsigned n = 0;
  22         int r;
  23
  24         assert_se(mkdtemp(dn));
  25         (void) chattr_path(dn, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
  26
  27         fn = path_join(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                 if (r < 0)
  46                         log_error_errno(r, "journal_file_move_to_object failed: %m");
  47                 assert_se(r >= 0);
  48
  49                 r = journal_file_copy_entry(f, new_journal, o, f->current_offset);
  50                 if (r < 0)
  51                         log_error_errno(r, "journal_file_copy_entry failed: %m");
  52                 assert_se(r >= 0);
  53
  54                 if (++n >= 10000)
  55                         break;
  56         }
  57
  58         sd_journal_close(j);
  59
  60         (void) journal_file_close(new_journal);
  61
  62         unlink(fn);
  63         assert_se(rmdir(dn) == 0);
  64
  65         return 0;
  66 }