mirror of https://github.com/MedzikUser/servers
62 lines
1.4 KiB
Rust
62 lines
1.4 KiB
Rust
use core::fmt;
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use std::net::SocketAddr;
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use tokio::{
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io::{self, AsyncReadExt, AsyncWriteExt},
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net::TcpStream,
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};
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/// Max size of a TCP packet
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pub const MAX_PACKET_LEN: usize = 65536;
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/// TCP Client
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pub struct Client {
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/// TCP stream of this client
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pub stream: TcpStream,
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}
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impl Client {
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/// Create new Client
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pub fn new(stream: TcpStream) -> Self {
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Self { stream }
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}
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/// Read message/buffer from the client
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pub async fn read(&mut self) -> anyhow::Result<String> {
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// allocate an empty buffer
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let mut buf = [0; MAX_PACKET_LEN];
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// read buffer from stream
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let len = self.stream.read(&mut buf).await?;
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// select only used bytes from the buffer
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let buf = &buf[0..len];
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// encode buffer (&[u8]) to a String
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let mut decoded = String::from_utf8(buf.to_vec())?;
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// remove new line characters
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while decoded.ends_with("\n") || decoded.ends_with("\r") {
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decoded.pop();
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}
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Ok(decoded)
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}
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/// Send message to the client
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pub async fn send<S>(&mut self, content: S) -> io::Result<()>
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where
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S: ToString + fmt::Display,
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{
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// add a new line at the end of the content
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let content = format!("{content}\n\r");
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// send message
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self.stream.write_all(content.as_bytes()).await
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}
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pub fn peer_addr(&self) -> io::Result<SocketAddr> {
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self.stream.peer_addr()
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}
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}
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