Example #1
0
static void
log_source_queue(LogPipe *s, LogMessage *msg, const LogPathOptions *path_options, gpointer user_data)
{
  LogSource *self = (LogSource *) s;
  LogPathOptions local_options = *path_options;
  gint old_window_size;
  gint i;
  
  msg_set_context(msg);

  if (msg->timestamps[LM_TS_STAMP].tv_sec == -1 || !self->options->keep_timestamp)
    msg->timestamps[LM_TS_STAMP] = msg->timestamps[LM_TS_RECVD];
    
  g_assert(msg->timestamps[LM_TS_STAMP].zone_offset != -1);
  ack_tracker_track_msg(self->ack_tracker, msg);

  /* $HOST setup */
  log_source_mangle_hostname(self, msg);

  /* $PROGRAM override */
  if (self->options->program_override)
    {
      if (self->options->program_override_len < 0)
        self->options->program_override_len = strlen(self->options->program_override);
      log_msg_set_value(msg, LM_V_PROGRAM, self->options->program_override, self->options->program_override_len);
    }

  /* $HOST override */
  if (self->options->host_override)
    {
      if (self->options->host_override_len < 0)
        self->options->host_override_len = strlen(self->options->host_override);
      log_msg_set_value(msg, LM_V_HOST, self->options->host_override, self->options->host_override_len);
    }

  /* source specific tags */
  if (self->options->tags)
    {
      for (i = 0; i < self->options->tags->len; i++)
        {
          log_msg_set_tag_by_id(msg, g_array_index(self->options->tags, LogTagId, i));
        }
    }

  log_msg_set_tag_by_id(msg, self->options->source_group_tag);

  /* stats counters */
  if (stats_check_level(2))
    {
      stats_lock();

      stats_register_and_increment_dynamic_counter(2, SCS_HOST | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
      if (stats_check_level(3))
        {
          stats_register_and_increment_dynamic_counter(3, SCS_SENDER | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST_FROM, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
          stats_register_and_increment_dynamic_counter(3, SCS_PROGRAM | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_PROGRAM, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
        }

      stats_unlock();
    }
  stats_syslog_process_message_pri(msg->pri);

  /* message setup finished, send it out */

  /* NOTE: we start by enabling flow-control, thus we need an acknowledgement */
  local_options.ack_needed = TRUE;
  log_msg_ref(msg);
  log_msg_add_ack(msg, &local_options);
  msg->ack_func = log_source_msg_ack;
    
  old_window_size = g_atomic_counter_exchange_and_add(&self->window_size, -1);

  /*
   * NOTE: this assertion validates that the source is not overflowing its
   * own flow-control window size, decreased above, by the atomic statement.
   *
   * If the _old_ value is zero, that means that the decrement operation
   * above has decreased the value to -1.
   */

  g_assert(old_window_size > 0);

  stats_counter_inc(self->recvd_messages);
  stats_counter_set(self->last_message_seen, msg->timestamps[LM_TS_RECVD].tv_sec);
  log_pipe_forward_msg(s, msg, &local_options);

  msg_set_context(NULL);

  if (accurate_nanosleep && self->threaded && self->window_full_sleep_nsec > 0 && !log_source_free_to_send(self))
    {
      struct timespec ts;

      /* wait one 0.1msec in the hope that the buffer clears up */
      ts.tv_sec = 0;
      ts.tv_nsec = self->window_full_sleep_nsec;
      nanosleep(&ts, NULL);
    }

}
Example #2
0
static void
log_source_queue(LogPipe *s, LogMessage *msg, const LogPathOptions *path_options, gpointer user_data)
{
  LogSource *self = (LogSource *) s;
  gint i;
  
  msg_set_context(msg);

  if (msg->timestamps[LM_TS_STAMP].tv_sec == -1 || !self->options->keep_timestamp)
    msg->timestamps[LM_TS_STAMP] = msg->timestamps[LM_TS_RECVD];
    
  g_assert(msg->timestamps[LM_TS_STAMP].zone_offset != -1);

  /* $HOST setup */
  log_source_mangle_hostname(self, msg);

  /* $PROGRAM override */
  if (self->options->program_override)
    {
      if (self->options->program_override_len < 0)
        self->options->program_override_len = strlen(self->options->program_override);
      log_msg_set_value(msg, LM_V_PROGRAM, self->options->program_override, self->options->program_override_len);
    }

  /* $HOST override */
  if (self->options->host_override)
    {
      if (self->options->host_override_len < 0)
        self->options->host_override_len = strlen(self->options->host_override);
      log_msg_set_value(msg, LM_V_HOST, self->options->host_override, self->options->host_override_len);
    }

  /* source specific tags */
  if (self->options->tags)
    {
      for (i = 0; i < self->options->tags->len; i++)
        {
          log_msg_set_tag_by_id(msg, g_array_index(self->options->tags, LogTagId, i));
        }
    }

  log_msg_set_tag_by_id(msg, self->options->source_group_tag);

  /* stats counters */
  if (stats_check_level(2))
    {
      stats_lock();

      stats_register_and_increment_dynamic_counter(2, SCS_HOST | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
      if (stats_check_level(3))
        {
          stats_register_and_increment_dynamic_counter(3, SCS_SENDER | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_HOST_FROM, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
          stats_register_and_increment_dynamic_counter(3, SCS_PROGRAM | SCS_SOURCE, NULL, log_msg_get_value(msg, LM_V_PROGRAM, NULL), msg->timestamps[LM_TS_RECVD].tv_sec);
        }

      stats_unlock();
    }
  stats_syslog_process_message_pri(msg->pri);

  /* message setup finished, send it out */


  stats_counter_inc(self->recvd_messages);
  stats_counter_set(self->last_message_seen, msg->timestamps[LM_TS_RECVD].tv_sec);
  log_pipe_forward_msg(s, msg, path_options);

  msg_set_context(NULL);

  if (accurate_nanosleep && self->threaded && self->window_full_sleep_nsec > 0 && !log_source_free_to_send(self))
    {
      struct timespec ts;

      /* wait one 0.1msec in the hope that the buffer clears up */
      ts.tv_sec = 0;
      ts.tv_nsec = self->window_full_sleep_nsec;
      nanosleep(&ts, NULL);
    }

}