alexeuler / p2p_test

Simple p2p network for test task https://hackmd.io/@r3XngjBBSumx2rU-hKU7Qg/BkbHS80cv

Description

Link to spec

To start one instance run

RUST_LOG=info cargo run -- 5

• The first command line argument (after --) is ping interval in seconds
• Peers are started on random ports and discovered via mdns (i.e. it autodetects each peer on the LAN)
• The protocol is to send ping message and receive pong in return

Example logs

[2020-12-04T21:44:50Z INFO  p2p_test::network] Starting p2p network
[2020-12-04T21:44:50Z INFO  p2p_test::network] Network started
[2020-12-04T21:44:50Z INFO  p2p_test::network::core_behaviour] Sent Pong to 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo
[2020-12-04T21:44:50Z INFO  p2p_test::network::core_behaviour] Ping returned from 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo with rtt 647.866µs
[2020-12-04T21:44:53Z INFO  p2p_test::network::core_behaviour] Sent Pong to 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo
[2020-12-04T21:44:55Z INFO  p2p_test::network::core_behaviour] Ping returned from 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo with rtt 841.998µs
[2020-12-04T21:44:56Z INFO  p2p_test::network::core_behaviour] Sent Pong to 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo
[2020-12-04T21:44:59Z INFO  p2p_test::network::core_behaviour] Sent Pong to 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo
[2020-12-04T21:45:00Z INFO  p2p_test::network::core_behaviour] Ping returned from 16Uiu2HAmCiYmZcVkFjfYXrYNJQXApR1MKnFdDwzsetwA34wdX3Xo with rtt 2.341905ms