src/journal/test-journal-flush.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2013 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <fcntl.h>
  21
  22 #include "sd-journal.h"
  23
  24 #include "alloc-util.h"
  25 #include "journal-file.h"
  26 #include "journal-internal.h"
  27 #include "macro.h"
  28 #include "string-util.h"
  29
  30 int main(int argc, char *argv[]) {
  31         _cleanup_free_ char *fn = NULL;
  32         char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
  33         JournalFile *new_journal = NULL;
  34         sd_journal *j = NULL;
  35         unsigned n = 0;
  36         int r;
  37
  38         assert_se(mkdtemp(dn));
  39         fn = strappend(dn, "/test.journal");
  40
  41         r = journal_file_open(fn, O_CREAT|O_RDWR, 0644, false, false, NULL, NULL, NULL, &new_journal);
  42         assert_se(r >= 0);
  43
  44         r = sd_journal_open(&j, 0);
  45         assert_se(r >= 0);
  46
  47         sd_journal_set_data_threshold(j, 0);
  48
  49         SD_JOURNAL_FOREACH(j) {
  50                 Object *o;
  51                 JournalFile *f;
  52
  53                 f = j->current_file;
  54                 assert_se(f && f->current_offset > 0);
  55
  56                 r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
  57                 assert_se(r >= 0);
  58
  59                 r = journal_file_copy_entry(f, new_journal, o, f->current_offset, NULL, NULL, NULL);
  60                 assert_se(r >= 0);
  61
  62                 n++;
  63                 if (n > 10000)
  64                         break;
  65         }
  66
  67         sd_journal_close(j);
  68
  69         (void) journal_file_close(new_journal);
  70
  71         unlink(fn);
  72         assert_se(rmdir(dn) == 0);
  73
  74         return 0;
  75 }