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index faac315..f442f11 100644 --- a/src/data.rs +++ b/src/data.rs @@ -1,30 +1,32 @@ use std::io::{Read, Write}; -#[derive(Debug)] -pub enum ProtocolError { +use crate::inet::InetError; + + + + +pub enum DataError { ReadError, - ConnectionClosed, - WriteError + WriteError, + Inet(InetError), } -pub trait DataReader { - fn read_bytes(&mut self, size: usize) -> Result, ProtocolError>; - fn read_byte(&mut self) -> Result { - Ok(self.read_bytes(1)?[0]) - } +pub trait DataReader { + fn read_bytes(&mut self, size: usize) -> Result, DataError>; } impl DataReader for R { - fn read_bytes(&mut self, size: usize) -> Result, ProtocolError> { + fn read_bytes(&mut self, size: usize) -> Result, DataError> { let mut buf = vec![0; size]; match self.read(&mut buf) { + Err(_) => return Err(DataError::ReadError), Ok(n) => if n == 0 { - return Err(ProtocolError::ConnectionClosed); + return Err(DataError::Inet(InetError::ConnectionClosed)); } else if n < size { buf.truncate(n); buf.append(&mut self.read_bytes(size - n)?); - }, Err(_) => return Err(ProtocolError::ReadError) + } }; Ok(buf) } } @@ -32,15 +34,11 @@ impl DataReader for R { pub trait DataWriter { - fn write_bytes(&mut self, buf: &mut Vec) -> Result<(), ProtocolError>; - - fn write_byte(&mut self, byte: u8) -> Result<(), ProtocolError> { - self.write_bytes(&mut vec![byte]) - } + fn write_bytes(&mut self, buf: Vec) -> Result<(), DataError>; } impl DataWriter for W { - fn write_bytes(&mut self, buf: &mut Vec) -> Result<(), ProtocolError> { - self.write_all(buf).map_err(|_| ProtocolError::WriteError) + fn write_bytes(&mut self, buf: Vec) -> Result<(), DataError> { + self.write_all(&buf).map_err(|_| DataError::WriteError) } } \ No newline at end of file diff --git a/src/inet.rs b/src/inet.rs index 6951339..3da0e05 100644 --- a/src/inet.rs +++ b/src/inet.rs @@ -1,4 +1,5 @@ -use std::net::{TcpListener, TcpStream}; +use tokio::net::{TcpListener, TcpStream}; + @@ -7,29 +8,18 @@ pub enum InetError { ConnectionClosed } - - pub struct Server { - host: String, - port: u16, listener: TcpListener } impl Server { - pub fn new(host: &str, port: u16) -> Result { - Ok(Server { - host: host.to_string(), - port, - listener: TcpListener::bind(format!("{host}:{port}")).map_err(|_| InetError::BindError)? - }) + pub async fn new(addr: &str) -> Result { + Ok(Server { listener: TcpListener::bind(addr).await.map_err(|_| InetError::BindError)? }) } - pub fn accept(&self) -> TcpStream { - loop { - match self.listener.accept() { - Ok((stream, _)) => return stream, - Err(_) => continue - } - } + pub async fn accept(&self) -> TcpStream { + loop { match self.listener.accept().await { + Ok((stream, _)) => return stream, Err(_) => continue + }} } } \ No newline at end of file diff --git a/src/main.rs b/src/main.rs index c69f524..387eaae 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,29 +1,19 @@ - -use data::DataReader; use inet::Server; -mod data; -mod inet; -pub fn main() { - let Ok(server) = Server::new("127.0.0.1", 25565) else { + + +mod inet; +mod data; + + +#[tokio::main] +async fn main() { + let Ok(server) = Server::new("127.0.0.1:25565").await else { println!("Не удалось забиндить сервер"); return; }; loop { - let mut stream = server.accept(); - let addr = stream.peer_addr().unwrap(); - println!("Подключение: {addr}"); - let data = match stream.read_bytes(4) { - Ok(data) => data, - Err(e) => { - println!("Ошибка чтения: {e:?}"); continue; - } - }; - println!("Данные получены: {}", String::from_utf8_lossy(&data)); - println!("Отключение: {addr}"); + let stream = server.accept().await; } -} - - - +} \ No newline at end of file