1use async_std::os::unix::io::AsRawFd;
2use async_std::prelude::*;
3use async_std::task;
4use async_tun::result::Result;
5use async_tun::TunBuilder;
6use std::net::Ipv4Addr;
7
8async fn async_main() -> Result<()> {
9 let tun = TunBuilder::new()
10 .name("")
11 .tap(false)
12 .packet_info(false)
13 .mtu(1350)
14 .up()
15 .address(Ipv4Addr::new(10, 0, 0, 1))
16 .destination(Ipv4Addr::new(10, 1, 0, 1))
17 .broadcast(Ipv4Addr::BROADCAST)
18 .netmask(Ipv4Addr::new(255, 255, 255, 0))
19 .try_build()
20 .await?;
21
22 println!("-----------");
23 println!("tun created");
24 println!("-----------");
25
26 println!(
27 "┌ name: {}\n├ fd: {}\n├ mtu: {}\n├ flags: {}\n├ address: {}\n├ destination: {}\n├ broadcast: {}\n└ netmask: {}",
28 tun.name(),
29 tun.as_raw_fd(),
30 tun.mtu().unwrap(),
31 tun.flags().unwrap(),
32 tun.address().unwrap(),
33 tun.destination().unwrap(),
34 tun.broadcast().unwrap(),
35 tun.netmask().unwrap(),
36 );
37
38 println!("---------------------");
39 println!("ping 10.1.0.2 to test");
40 println!("---------------------");
41
42 let (mut reader, mut _writer) = tun.split();
43
44 let mut buf = [0u8; 1024];
45 loop {
46 let n = reader.read(&mut buf).await?;
47 println!("reading {} bytes: {:?}", n, &buf[..n]);
48 }
49}
50
51fn main() -> Result<()> {
52 task::block_on(async_main())
53}