Module codec 

BMP version 3 (RFC 7854, with the RFC 8671 Adj-RIB-Out flag and RFC 9069 Loc-RIB peers): message framing, the per-peer header, TLVs, and the JSON the handler sees. Embedded BGP PDUs are framed by their own length and decoded by crate::server::bgp::wire (netgauze).

Structs

PeerHeader

Constants

FLAG_ADJ_RIB_OUT

FLAG_LEGACY_AS

FLAG_POST_POLICY

FLAG_V6

HEADER_LEN

INITIATION

MAX_ITEMS

Statistics entries and TLVs read from one message.

MAX_MESSAGE

A BMP message carries at most two BGP PDUs (Peer Up) plus TLVs; BGP PDUs are 4096 bytes unless extended messages were negotiated (65535).

PEER_DOWN

PEER_HEADER_LEN

PEER_UP

ROUTE_MIRRORING

ROUTE_MONITORING

STATISTICS

TERMINATION

VERSION

Functions

bgp_pdu

The BGP PDU at the front of b and what follows it.

describe

The handler’s event for one message: (event id, data). Unknown message types are None.

distinguisher

RFC 4364 route distinguisher text: type 0 asn:n, type 1 ip:n, type 2 asn4:n.

frame

Frame a message body with the common header.

initiation

A message in its frame, from the exporter’s side.

message_len

The length of the message at the front of buf, once its common header is there.

parse_distinguisher

peer_down_code

peer_down_reason

peer_type_code

peer_type_name

put_tlv

stat_code

stat_name

IANA “BMP Statistics Types”.

stat_shape

Whether a statistics type is a 64-bit gauge (otherwise a 32-bit counter); per-AFI/SAFI gauges carry AFI and SAFI before the value.

termination

termination_code

termination_reason

tlvs

Type-length-value items with 2-byte type and length.

with_peer