85 lines
3.0 KiB
Rust
85 lines
3.0 KiB
Rust
#![feature(associated_consts, type_ascription)]
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#[macro_use]
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extern crate log;
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extern crate env_logger;
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extern crate smoltcp;
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use std::env;
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use std::time::Instant;
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use log::{LogLevelFilter, LogRecord};
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use env_logger::{LogBuilder};
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use smoltcp::Error;
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use smoltcp::phy::{Tracer, TapInterface};
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use smoltcp::wire::{EthernetFrame, EthernetAddress, IpAddress, IpEndpoint};
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use smoltcp::iface::{SliceArpCache, EthernetInterface};
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use smoltcp::socket::AsSocket;
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use smoltcp::socket::{UdpSocket, UdpSocketBuffer, UdpPacketBuffer};
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use smoltcp::socket::{TcpSocket, TcpSocketBuffer};
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fn main() {
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let startup_time = Instant::now();
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LogBuilder::new()
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.format(move |record: &LogRecord| {
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let elapsed = Instant::now().duration_since(startup_time);
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format!("[{:6}.{:03}ms] ({}): {}",
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elapsed.as_secs(), elapsed.subsec_nanos() / 1000000,
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record.target().replace("smoltcp::", ""), record.args())
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})
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.filter(None, LogLevelFilter::Trace)
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.init()
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.unwrap();
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let ifname = env::args().nth(1).unwrap();
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let device = TapInterface::new(ifname.as_ref()).unwrap();
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let device = Tracer::<_, EthernetFrame<&[u8]>>::new(device);
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let arp_cache = SliceArpCache::new(vec![Default::default(); 8]);
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let endpoint = IpEndpoint::new(IpAddress::default(), 6969);
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let udp_rx_buffer = UdpSocketBuffer::new(vec![UdpPacketBuffer::new(vec![0; 2048])]);
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let udp_tx_buffer = UdpSocketBuffer::new(vec![UdpPacketBuffer::new(vec![0; 2048])]);
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let udp_socket = UdpSocket::new(endpoint, udp_rx_buffer, udp_tx_buffer);
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let tcp_rx_buffer = TcpSocketBuffer::new(vec![0; 8192]);
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let tcp_tx_buffer = TcpSocketBuffer::new(vec![0; 8192]);
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let mut tcp_socket = TcpSocket::new(tcp_rx_buffer, tcp_tx_buffer);
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(tcp_socket.as_socket() : &mut TcpSocket).listen(endpoint);
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let hardware_addr = EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x01]);
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let protocol_addrs = [IpAddress::v4(192, 168, 69, 1)];
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let sockets = vec![udp_socket, tcp_socket];
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let mut iface = EthernetInterface::new(device, arp_cache,
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hardware_addr, protocol_addrs, sockets);
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loop {
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match iface.poll() {
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Ok(()) => (),
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Err(e) => debug!("error {}", e)
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}
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{
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let udp_socket: &mut UdpSocket = iface.sockets()[0].as_socket();
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let udp_client = match udp_socket.recv() {
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Ok((endpoint, data)) => {
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debug!("data {:?} from {}", data, endpoint);
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Some(endpoint)
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}
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Err(Error::Exhausted) => {
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None
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}
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Err(e) => {
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debug!("error {}", e);
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None
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}
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};
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if let Some(endpoint) = udp_client {
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udp_socket.send_slice(endpoint, "hihihi".as_bytes()).unwrap()
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}
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}
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let _tcp_socket: &mut TcpSocket = iface.sockets()[1].as_socket();
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}
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}
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