smoltcp 0.8.0

A TCP/IP stack designed for bare-metal, real-time systems without a heap.
Documentation 
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use smoltcp::phy::wait as phy_wait;
use smoltcp::phy::{Device, RawSocket, RxToken};
use smoltcp::time::Instant;
use smoltcp::wire::{EthernetFrame, PrettyPrinter};
use std::env;
use std::os::unix::io::AsRawFd;

fn main() {
    let ifname = env::args().nth(1).unwrap();
    let mut socket = RawSocket::new(ifname.as_ref(), smoltcp::phy::Medium::Ethernet).unwrap();
    loop {
        phy_wait(socket.as_raw_fd(), None).unwrap();
        let (rx_token, _) = socket.receive().unwrap();
        rx_token
            .consume(Instant::now(), |buffer| {
                println!(
                    "{}",
                    PrettyPrinter::<EthernetFrame<&[u8]>>::new("", &buffer)
                );
                Ok(())
            })
            .unwrap();
    }
}