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At the moment, `connlib`'s UDP thread spawns a single task for reading and writing to the UDP socket. It will always first try to write data before reading new data. To avoid scheduling issues, we split this into two dedicated tasks and insert ```rust tokio::task::yield_now().await; ``` into each loop. This allows the `tokio` runtime to schedule each of the tasks fairly even if one of them is very busy. For example, if we are very busy writing data (because we are receiving a lot of IP traffic), this ensures that we will occasionally also read from our socket to receive STUN control messages from our peers.
Connlib
Firezone's connectivity library shared by all clients.
Building Connlib
You shouldn't need to build connlib directly; it's typically built as a dependency of one of the other Firezone components. See READMEs in those directories for relevant instructions.