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Tool to ping MC:BE servers
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| use std::convert::TryInto; | |
| use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket}; | |
| use std::thread; | |
| const UNCONNECTED_PING: &'static [u8] = &[ | |
| 0x01u8, // UNCONNECTED_PING ID | |
| 0x0, 0x0, 0x0, 0x0, 0x0, 0xD, 0x8, 0x8B, // ping-time | |
| 0x0, 0xFF, 0xFF, 0x0, 0xFE, 0xFE, 0xFE, 0xFE, 0xFD, 0xFD, 0xFD, 0xFD, 0x12, 0x34, 0x56, | |
| 0x78, // magic | |
| ]; | |
| fn main() { | |
| let socket = UdpSocket::bind("0.0.0.0:0").expect("Could not bind to socket"); | |
| let server_address = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(31, 172, 80, 69)), 19132); | |
| socket.send_to(UNCONNECTED_PING, server_address); | |
| loop { | |
| let mut buf = [0u8; 1024]; | |
| let (length, address) = socket.recv_from(&mut buf).expect("Didn't receive data"); | |
| if length > 0 { | |
| let buf = &mut buf[..length]; | |
| if buf[0] == 0x1c { | |
| let mut pingtime = u64::from_be_bytes(buf[1..9].try_into().unwrap()); | |
| let mut strlength = u16::from_be_bytes(buf[33..35].try_into().unwrap()); | |
| let mut motd = String::from_utf8_lossy(&buf[35..]); | |
| println!( | |
| "IP:{:?} Pingtime : {:?} strlength: {:?}, motd: {:?}", | |
| server_address, pingtime, strlength, motd | |
| ); | |
| } | |
| } | |
| } | |
| } |
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