artnet.qwer · 1.0.0DMX lighting from a program: ArtDMX frames with sequence numbers kept per node and universe, universes as net:subnet:universe or Port-Addresses, fades at a steady frame rate, ArtPoll and ArtPollReply for finding nodes, sACN E1.31 packets with their three layers, multicast addresses and stream termination, and a listener that reads either.4 views · 9 downloadsBACnet/IP bacnet.qwer · 1.0.0Building controllers over BACnet/IP: Who-Is and I-Am with instance ranges and routed devices, ReadProperty, ReadPropertyMultiple and WriteProperty with priorities and relinquishing, values encoded and read by their application tags, arrays walked by index when a device cannot segment, retries, and Error, Reject and Abort answers named.4 views · 11 downloadsKNX building automation knx.qwer · 1.0.0KNX through an IP interface: a KNXnet/IP tunnel connected and kept alive with heartbeats, group addresses written and read, repeats when an ack goes missing, bus confirmations turned into errors, telegrams heard on the bus buffered for the program, DPT values both ways (switches, percent, the 2-byte float, dates, text, RGB), and 1/2/3 and 1.1.10 notation.3 views · 9 downloadsDHCP dhcp.qwer · 1.0.0DHCPv4 packets built and parsed with options by name: split long options joined, overloaded sname and file read, relay agent information, classless routes and compressed search lists. A discover and offer exchange, a whole lease with retries, a NAK's reason shown, and offers and acks made for a small server on udp.listen.4 views · 11 downloadsNetFlow and IPFIX netflow.qwer · 1.0.0Flows from routers: NetFlow v5, v9 and IPFIX decoded into named fields, templates remembered per exporter and domain, data that beats its template held and read when it comes, options templates, enterprise and variable-length fields, uptimes turned into wall-clock times, sequence gaps counted, and a UDP collector on a thread drained with netflow_receive.3 views · 9 downloadsSTUN stun.qwer · 1.0.0Your public address over UDP, for WebRTC: Binding requests retransmitted with backoff, XOR-MAPPED-ADDRESS read, long-term credentials answered after a 401, MESSAGE-INTEGRITY and FINGERPRINT made and checked against RFC 5769's vectors, symmetric NATs noticed by asking two servers, ICE attributes and priorities, and a small STUN server on udp.listen.4 views · 8 downloadsOther tags
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