Module keepalive 

KEEPALIVE message encoding and validation.

Constants

KEEPALIVE_LEN

Size of an encoded KEEPALIVE message.

Functions

encode_keepalive

Encode a KEEPALIVE message (19 bytes: header only).

validate_keepalive

Validate that a KEEPALIVE message has the correct length. KEEPALIVE is header-only — exactly 19 bytes, no body.