multicast-discovery-socket 0.1.4

Ready to use discovery solution for local networks
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

use std::net::Ipv4Addr;
use log::info;
use multicast_discovery_socket::socket::MultiInterfaceSocket;

fn main() {
    simple_logger::init_with_level(log::Level::Info).unwrap();

    let sock1 = MultiInterfaceSocket::bind_any().unwrap();
    let sock2 = MultiInterfaceSocket::bind_any().unwrap();

    let mut addr1 = sock1.get_bind_addr().unwrap();
    let mut addr2 = sock2.get_bind_addr().unwrap();
    addr1.set_ip(Ipv4Addr::new(127, 0, 0, 1));
    addr2.set_ip(Ipv4Addr::new(127, 0, 0, 1));
    info!("Socket 1 bound to: {}", addr1);
    info!("Socket 2 bound to: {}", addr2);

    // 1 usually means loopback interface
    sock2.send_to_iface(b"Hello from sock2", addr1, 1, Ipv4Addr::new(127, 0, 0, 1).into()).unwrap();
    let mut buf = [0u8; 1024];
    let (buf, addr, iface) = sock1.recv_from_iface(&mut buf).unwrap();
    let msg = String::from_utf8_lossy(buf);
    info!("Received message on sock1: {}", msg);
    info!("From address: {:?}, on interface: {}", addr, iface);

    // Reply to the same interface we got the message from
    sock1.send_to_iface(b"Hello from sock1", addr2, iface, Ipv4Addr::new(127, 0, 0, 1).into()).unwrap();
    let mut buf = [0u8; 1024];
    let (buf, addr, iface) = sock2.recv_from_iface(&mut buf).unwrap();
    let msg = String::from_utf8_lossy(buf);
    info!("Received message on sock2: {}", msg);
    info!("From address: {:?}, on interface: {}", addr, iface);
}