Simple TCP Proxy - Rust
```rs fn main() { let listen = "127.0.0.1:8080"; let upstream = "127.0.0.1:8081";
tcp_proxy::new(&listen, &upstream, log);
}
fn log(id: usize, ip: &str, listen: &str, upstream: &str) {
} ```
tcp-proxy 127.0.0.1:8080 127.0.0.1:8081
^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^
Listen Upstream