Function log_header

plugin/server_audit/server_audit.cc:1187–1223

static size_t log_header(char *message, size_t message_len,
                      const char *serverhost, size_t serverhost_len,
                      const char *username, unsigned int username_len,
                      const char *host, unsigned int host_len,
                      const char *userip, unsigned int userip_len,
                      unsigned int connection_id, unsigned int port,
                      long long query_id, const char *operation)
{
  char port_str[16];
  if (host_len == 0 && userip_len != 0)
  {
    host_len= userip_len;
    host= userip;
  }
  if (port == 0) {
    port_str[0] = '\0';
  } else {
    my_snprintf(port_str, sizeof(port_str), ":%u", port);
  }

  /*
    That was added to find the possible cause of the MENT-1438.
    Supposed to be removed after that.
  */
  if (username_len > MAX_AUDIT_PAYLOAD_LENGTH)
  {
    username= "unknown_user";
    username_len= (unsigned int) strlen(username);
  }

  return my_snprintf(message, message_len,
      "%.*s,%.*s,%.*s%s,%d,%lld,%s",
      (int) serverhost_len, serverhost,
      username_len, username,
      host_len, host, port_str,
      connection_id, query_id, operation);
}

static size_t create_tls_obj(const struct mysql_event_connection *ev, char *obj_str, size_t len) {
  size_t obj_len;