Cap'n Proto demo code for related article exploring this protocol.

1. point_demo that creates, saves, and explores messaging and serialisation into the capnp data format
2. client and server code for sending a point to a point-tracker (list of points)
3. pub-sub server and client adapted from capnp-rpc example code

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Running point-demo

cargo run point_demo

Running server and client

Open two terminal panes/windows. In one, run

cargo run server 127.0.0.1:3000

Open two terminal panes/windows. In one, run:

cargo run client 127.0.0.1:3000