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network: utilize bytes crate

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This commit is contained in:
Alex Zenla
2024-02-12 17:01:47 +00:00
parent ddeab7610d
commit 341907a536
10 changed files with 86 additions and 65 deletions
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15
network/src/proxynat/udp.rs
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@ -5,6 +5,7 @@ use std::{
use anyhow::{anyhow, Result};
use async_trait::async_trait;
use bytes::BytesMut;
use etherparse::{PacketBuilder, SlicedPacket, UdpSlice};
use log::{debug, warn};
use smoltcp::wire::IpAddress;
@ -20,7 +21,7 @@ use crate::nat::{NatHandler, NatHandlerContext};
const UDP_TIMEOUT_SECS: u64 = 60;
pub struct ProxyUdpHandler {
rx_sender: Sender<Vec<u8>>,
rx_sender: Sender<BytesMut>,
}
#[async_trait]
@ -29,7 +30,7 @@ impl NatHandler for ProxyUdpHandler {
if self.rx_sender.is_closed() {
Ok(true)
} else {
self.rx_sender.try_send(data.to_vec())?;
self.rx_sender.try_send(data.into())?;
Ok(true)
}
}
@ -37,19 +38,19 @@ impl NatHandler for ProxyUdpHandler {
enum ProxyUdpSelect {
External(usize),
Internal(Vec<u8>),
Internal(BytesMut),
Close,
}
impl ProxyUdpHandler {
pub fn new(rx_sender: Sender<Vec<u8>>) -> Self {
pub fn new(rx_sender: Sender<BytesMut>) -> Self {
ProxyUdpHandler { rx_sender }
}
pub async fn spawn(
&mut self,
context: NatHandlerContext,
rx_receiver: Receiver<Vec<u8>>,
rx_receiver: Receiver<BytesMut>,
) -> Result<()> {
let external_addr = match context.key.external_ip.addr {
IpAddress::Ipv4(addr) => {
@ -72,7 +73,7 @@ impl ProxyUdpHandler {
async fn process(
context: NatHandlerContext,
mut socket: UdpStream,
mut rx_receiver: Receiver<Vec<u8>>,
mut rx_receiver: Receiver<BytesMut>,
) -> Result<()> {
let mut external_buffer = vec![0u8; 2048];
@ -108,7 +109,7 @@ impl ProxyUdpHandler {
packet.udp(context.key.external_ip.port, context.key.client_ip.port);
let mut buffer: Vec<u8> = Vec::new();
packet.write(&mut buffer, data)?;
if let Err(error) = context.try_send(buffer) {
if let Err(error) = context.try_send(buffer.as_slice().into()) {
debug!("failed to transmit udp packet: {}", error);
}
}