mirror of https://github.com/MedzikUser/servers
44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
Rust
use tokio::{net::TcpStream, io::{self, AsyncWriteExt, AsyncReadExt}};
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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 recv_buf = &buf[0..len];
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// encode buffer (&[u8]) to a String
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let decoded = String::from_utf8(recv_buf.to_vec())?;
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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(&mut self, content: &str) -> io::Result<()> {
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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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}
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