Exemple #1
0
static gboolean
_load_queue(QDisk *self, GQueue *q, gint64 q_ofs, gint32 q_len, gint32 q_count)
{
  GString *serialized;
  SerializeArchive *sa;
  gint i;

  if (q_ofs)
    {
      gssize read_len;

      serialized = g_string_sized_new(q_len);
      g_string_set_size(serialized, q_len);
      read_len = pread(self->fd, serialized->str, q_len, q_ofs);
      if (read_len < 0 || read_len != q_len)
        {
          msg_error("Error reading in-memory buffer from disk-queue file",
                    evt_tag_str("filename", self->filename),
                    read_len < 0 ? evt_tag_errno("error", errno) : evt_tag_str("error", "short read"));
          g_string_free(serialized, TRUE);
          return FALSE;
        }
      sa = serialize_string_archive_new(serialized);
      for (i = 0; i < q_count; i++)
        {
          LogMessage *msg;

          msg = log_msg_new_empty();
          if (log_msg_deserialize(msg, sa))
            {
              g_queue_push_tail(q, msg);
              /* we restore the queue without ACKs */
              g_queue_push_tail(q, GINT_TO_POINTER(0x80000000));
            }
          else
            {
              msg_error("Error reading message from disk-queue file (maybe currupted file) some messages will be lost",
                            evt_tag_str("filename", self->filename),
                            evt_tag_int("lost messages", q_count - i));
              log_msg_unref(msg);
              break;
            }
        }
      g_string_free(serialized, TRUE);
      serialize_archive_free(sa);
    }
  return TRUE;
}
Exemple #2
0
static gboolean
_pop_disk(LogQueueDisk *self, LogMessage **msg)
{
  GString *serialized;
  SerializeArchive *sa;

  *msg = NULL;

  if (!qdisk_initialized(self->qdisk))
    return FALSE;

  serialized = g_string_sized_new(64);
  if (!qdisk_pop_head(self->qdisk, serialized))
    {
      g_string_free(serialized, TRUE);
      return FALSE;
    }

  sa = serialize_string_archive_new(serialized);
  *msg = log_msg_new_empty();

  if (!log_msg_deserialize(*msg, sa))
  {
      g_string_free(serialized, TRUE);
      serialize_archive_free(sa);
      log_msg_unref(*msg);
      *msg = NULL;
      msg_error("Can't read correct message from disk-queue file",evt_tag_str("filename",qdisk_get_filename(self->qdisk)),NULL);
      return TRUE;
  }

  serialize_archive_free(sa);

  g_string_free(serialized, TRUE);
  return TRUE;
}