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|
use crate::handle_packet;
use karlcommon::{version, ClientboundPacket, ProtoError, ServerboundPacket};
use log::{debug, error, warn};
use std::{
io::{self, BufRead, BufReader, ErrorKind, Read, Write},
thread,
};
pub fn generic_handle_connection<ReadStream: Read, WriteStream: Write + Send + 'static>(
id: u32,
rstream: ReadStream,
wstream: WriteStream,
) -> io::Result<()> {
let mut reader = BufReader::new(rstream);
let (responder, responses) = crossbeam_channel::unbounded();
responder
.send(ClientboundPacket::Handshake {
version: version!(),
})
.unwrap();
thread::spawn(move || {
let mut wstream = wstream;
for m in responses {
debug!("{id} -> {m:?}");
match wstream
.write_fmt(format_args!("{}\n", serde_json::to_string(&m).unwrap()))
.map_err(|e| e.kind())
{
Ok(_) => (),
Err(ErrorKind::BrokenPipe) => break,
Err(e) => error!("network error: {:?}", e),
}
}
});
{
let mut buf = String::new();
loop {
if reader.read_line(&mut buf)? == 0 {
break Ok(());
};
match serde_json::from_str::<ServerboundPacket>(buf.as_str()) {
Ok(packet) => {
debug!("{id} <- {packet:?}");
handle_packet(id, packet, responder.clone());
}
Err(err) => {
warn!("client error: {:?}", &err);
responder
.send(ClientboundPacket::Error(ProtoError::FormatError(format!(
"{}",
&err
))))
.map_err(|_| io::Error::from(ErrorKind::InvalidInput))?
}
}
buf.clear();
}
}
}
|
