void aodv_packet_reader_init(void)
{
VDEBUG("%s()\n", __func__);
/* initialize reader */
rfc5444_reader_init(&reader);
/* register message consumers. We have no message TLVs, so we can leave the
* rfc5444_reader_tlvblock_consumer_entry empty */
rfc5444_reader_add_message_consumer(&reader, &_rreq_consumer,
NULL, 0);
rfc5444_reader_add_message_consumer(&reader, &_rrep_consumer,
NULL, 0);
rfc5444_reader_add_message_consumer(&reader, &_rerr_consumer,
NULL, 0);
/* register address consumer */
rfc5444_reader_add_message_consumer(&reader, &_rreq_address_consumer,
_rreq_rrep_address_consumer_entries,
ARRAYSIZE(_rreq_rrep_address_consumer_entries));
rfc5444_reader_add_message_consumer(&reader, &_rrep_address_consumer,
_rreq_rrep_address_consumer_entries,
ARRAYSIZE(_rreq_rrep_address_consumer_entries));
rfc5444_reader_add_message_consumer(&reader, &_rerr_address_consumer,
_rerr_address_consumer_entries,
ARRAYSIZE(_rerr_address_consumer_entries));
}
void nhdp_reader_init(void)
{
/* Initialize reader */
rfc5444_reader_init(&reader);
/* Register packet consumer for sequence number processing */
rfc5444_reader_add_packet_consumer(&reader, &_nhdp_packet_consumer, NULL, 0);
/* Register HELLO message consumer */
rfc5444_reader_add_message_consumer(&reader, &_nhdp_msg_consumer,
_nhdp_msg_tlvs, ARRAYSIZE(_nhdp_msg_tlvs));
rfc5444_reader_add_message_consumer(&reader, &_nhdp_address_consumer,
_nhdp_addr_tlvs, ARRAYSIZE(_nhdp_addr_tlvs));
}
/**
* This function converts a rfc5444 buffer into a human readable
* form and print it into an buffer. To do this it allocates its own
* rfc5444 reader, hooks in the printer macros, parse the packet and
* cleans up the reader again.
*
* @param out pointer to output buffer
* @param buffer pointer to packet to be printed
* @param length length of packet in bytes
* @return return code of reader, see rfc5444_result enum
*/
enum rfc5444_result
rfc5444_print_direct(struct autobuf *out, void *buffer, size_t length)
{
struct rfc5444_reader reader;
struct rfc5444_print_session session;
enum rfc5444_result result;
memset(&reader, 0, sizeof(reader));
memset(&session, 0, sizeof(session));
session.output = out;
rfc5444_reader_init(&reader);
rfc5444_print_add(&session, &reader);
result = rfc5444_reader_handle_packet(&reader, buffer, length);
if (result) {
abuf_appendf(out, "Error while parsing rfc5444: %s\n", rfc5444_strerror(result));
}
rfc5444_print_remove(&session);
rfc5444_reader_cleanup(&reader);
return result;
}
