rust_mc_serv/src/main.rs
2025-04-29 23:42:17 +03:00

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Rust
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use std::net::SocketAddr;
use tokio::io::AsyncReadExt;
use tokio::net::{TcpListener, TcpStream};
use rust_mc_proto_tokio::{packet, prelude::*, MCConnTcp, MinecraftConnection, Packet, ProtocolError};
#[tokio::main]
async fn main() {
let listener = match TcpListener::bind("127.0.0.1:25565").await {
Ok(v) => v,
Err(e) => { println!("Не удалось забиндить сервер: {}", e); return; }
};
while let Ok((stream, addr)) = listener.accept().await {
tokio::spawn(handle_connection(stream, addr));
}
}
async fn read_handshake_packet(mut packet: Packet) -> Result<(usize, String, u16, usize), ProtocolError> {
if packet.id() != 0x00 { return Err(ProtocolError::ReadError)}
Ok((
packet.read_usize_varint().await?,
packet.read_string().await?,
packet.read_unsigned_short().await?,
packet.read_usize_varint().await?
))
}
async fn handle_connection(stream: TcpStream, addr: SocketAddr) {
let mut conn = MinecraftConnection::new(stream);
let Ok(packet) = conn.read_packet().await else {return;};
let Ok((pv, host, port, ns)) = read_handshake_packet(packet).await else {return;};
if ns == 2 {
println!("\nПодключение: {}", addr);
println!("Версия протокола: {pv}");
println!("Хост: {host}");
println!("Порт: {port}");
}
conn.close().await;
}