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use super::PktInfo;
use async_trait::async_trait;
use mt_rudp::Pkt;
pub use mt_rudp::{Ack, Error as RudpError};
use mt_ser::{DefCfg, MtDeserialize, MtSerialize};
use std::{borrow::Cow, io};
use thiserror::Error;
#[derive(Error, Debug)]
pub enum RecvError {
#[error("connection error: {0}")]
ConnError(#[from] RudpError),
#[error("deserialize error: {0}")]
DeserializeError(#[from] mt_ser::DeserializeError),
}
#[derive(Error, Debug)]
pub enum SendError {
#[error("connection error: {0}")]
ConnError(#[from] io::Error),
#[error("serialize error: {0}")]
SerializeError(#[from] mt_ser::SerializeError),
}
#[async_trait]
pub trait SenderExt {
type Pkt: MtSerialize + PktInfo + Send + Sync;
async fn send_raw(&self, pkt: Pkt<'_>) -> io::Result<Ack>;
async fn send(&self, pkt: &Self::Pkt) -> Result<Ack, SendError> {
let mut writer = Vec::new();
pkt.mt_serialize::<DefCfg>(&mut writer)?;
let (chan, unrel) = pkt.pkt_info();
Ok(self
.send_raw(Pkt {
chan,
unrel,
data: Cow::Borrowed(&writer),
})
.await?)
}
}
#[async_trait]
pub trait ReceiverExt {
type Pkt: MtDeserialize;
async fn recv_raw(&mut self) -> Option<Result<Pkt<'static>, RudpError>>;
async fn recv(&mut self) -> Option<Result<Self::Pkt, RecvError>> {
self.recv_raw().await.map(|res| {
res.map_err(RecvError::from).and_then(|pkt| {
// TODO: warn on trailing data
Self::Pkt::mt_deserialize::<DefCfg>(&mut io::Cursor::new(pkt.data))
.map_err(RecvError::from)
})
})
}
}
#[cfg(feature = "client")]
pub use mt_rudp::{connect, CltReceiver, CltSender, CltWorker};
#[cfg(feature = "client")]
#[async_trait]
impl ReceiverExt for CltReceiver {
type Pkt = crate::ToCltPkt;
async fn recv_raw(&mut self) -> Option<Result<Pkt<'static>, RudpError>> {
self.recv_rudp().await
}
}
#[cfg(feature = "client")]
#[async_trait]
impl SenderExt for CltSender {
type Pkt = crate::ToSrvPkt;
async fn send_raw(&self, pkt: Pkt<'_>) -> io::Result<Ack> {
self.send_rudp(pkt).await
}
}
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