-udp_ping_template_rewrite (flow_report_main_t * frm, flow_report_t * fr,
- ip4_address_t * collector_address,
- ip4_address_t * src_address, u16 collector_port,
- ipfix_report_element_t * elts,
- u32 n_elts, u32 * stream_index)
+udp_ping_template_rewrite (ipfix_exporter_t *exp, flow_report_t *fr,
+ u16 collector_port, ipfix_report_element_t *elts,
+ u32 n_elts, u32 *stream_index)