change UdpSocket to have Poll based methods
This commit is contained in:
parent
4d10e6f414
commit
ecaf8c92d5
1
Cargo.lock
generated
1
Cargo.lock
generated
@ -151,6 +151,7 @@ dependencies = [
|
||||
"async-std",
|
||||
"async-trait",
|
||||
"futures-io",
|
||||
"futures-util",
|
||||
"trust-dns-resolver",
|
||||
]
|
||||
|
||||
|
@ -67,6 +67,7 @@ path = "src/lib.rs"
|
||||
async-std = "1.6"
|
||||
async-trait = "0.1.36"
|
||||
futures-io = { version = "0.3.5", default-features = false, features = ["std"] }
|
||||
futures-util = { version = "0.3.5", default-features = false, features = ["std"] }
|
||||
trust-dns-resolver = { version = "0.20.0-alpha.3", path = "../resolver", default-features = false }
|
||||
|
||||
[dev-dependencies]
|
||||
|
@ -8,9 +8,11 @@
|
||||
use std::io;
|
||||
use std::net::SocketAddr;
|
||||
use std::pin::Pin;
|
||||
use std::task::{Context, Poll};
|
||||
|
||||
use async_trait::async_trait;
|
||||
use futures_io::{AsyncRead, AsyncWrite};
|
||||
use futures_util::future::FutureExt;
|
||||
use trust_dns_resolver::proto::tcp::{Connect, DnsTcpStream};
|
||||
use trust_dns_resolver::proto::udp::UdpSocket;
|
||||
|
||||
@ -28,12 +30,21 @@ impl UdpSocket for AsyncStdUdpSocket {
|
||||
.map(AsyncStdUdpSocket)
|
||||
}
|
||||
|
||||
async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
|
||||
self.0.recv_from(buf).await
|
||||
fn poll_recv_from(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &mut [u8],
|
||||
) -> Poll<io::Result<(usize, SocketAddr)>> {
|
||||
Box::pin(self.0.recv_from(buf)).poll_unpin(cx)
|
||||
}
|
||||
|
||||
async fn send_to(&self, buf: &[u8], target: &SocketAddr) -> io::Result<usize> {
|
||||
self.0.send_to(buf, target).await
|
||||
fn poll_send_to(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &[u8],
|
||||
target: &SocketAddr,
|
||||
) -> Poll<io::Result<usize>> {
|
||||
Box::pin(self.0.send_to(buf, target)).poll_unpin(cx)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -13,7 +13,7 @@ use std::task::{Context, Poll};
|
||||
|
||||
use async_trait::async_trait;
|
||||
use futures_util::stream::Stream;
|
||||
use futures_util::{future::Future, ready, FutureExt, TryFutureExt};
|
||||
use futures_util::{future::Future, ready, TryFutureExt};
|
||||
use log::debug;
|
||||
use rand;
|
||||
use rand::distributions::{uniform::Uniform, Distribution};
|
||||
@ -32,11 +32,33 @@ where
|
||||
|
||||
/// UdpSocket
|
||||
async fn bind(addr: &SocketAddr) -> io::Result<Self>;
|
||||
|
||||
/// Poll once Receive data from the socket and returns the number of bytes read and the address from
|
||||
/// where the data came on success.
|
||||
fn poll_recv_from(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &mut [u8],
|
||||
) -> Poll<io::Result<(usize, SocketAddr)>>;
|
||||
|
||||
/// Receive data from the socket and returns the number of bytes read and the address from
|
||||
/// where the data came on success.
|
||||
async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)>;
|
||||
async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
|
||||
futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
|
||||
}
|
||||
|
||||
/// Poll once to send data to the given address.
|
||||
fn poll_send_to(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &[u8],
|
||||
target: &SocketAddr,
|
||||
) -> Poll<io::Result<usize>>;
|
||||
|
||||
/// Send data to the given address.
|
||||
async fn send_to(&self, buf: &[u8], target: &SocketAddr) -> io::Result<usize>;
|
||||
async fn send_to(&self, buf: &[u8], target: &SocketAddr) -> io::Result<usize> {
|
||||
futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
|
||||
}
|
||||
}
|
||||
|
||||
/// A UDP stream of DNS binary packets
|
||||
@ -140,7 +162,7 @@ impl<S: UdpSocket + Send + 'static> Stream for UdpStream<S> {
|
||||
// meaning that sending will be prefered over receiving...
|
||||
|
||||
// TODO: shouldn't this return the error to send to the sender?
|
||||
ready!(socket.send_to(message.bytes(), addr).poll_unpin(cx))?;
|
||||
ready!(socket.poll_send_to(cx, message.bytes(), addr))?;
|
||||
|
||||
// message sent, need to pop the message
|
||||
assert!(outbound_messages.as_mut().poll_next(cx).is_ready());
|
||||
@ -151,7 +173,7 @@ impl<S: UdpSocket + Send + 'static> Stream for UdpStream<S> {
|
||||
|
||||
// TODO: this should match edns settings
|
||||
let mut buf = [0u8; 4096];
|
||||
let (len, src) = ready!(socket.recv_from(&mut buf).poll_unpin(cx))?;
|
||||
let (len, src) = ready!(socket.poll_recv_from(cx, &mut buf))?;
|
||||
|
||||
let serial_message = SerialMessage::new(buf.iter().take(len).cloned().collect(), src);
|
||||
Poll::Ready(Some(Ok(serial_message)))
|
||||
@ -230,23 +252,25 @@ impl UdpSocket for tokio::net::UdpSocket {
|
||||
tokio::net::UdpSocket::bind(addr).await
|
||||
}
|
||||
|
||||
// TODO: add poll_recv_from and poll_send_to to be more efficient in allocations...
|
||||
async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
|
||||
futures_util::future::poll_fn(|cx| {
|
||||
let mut buf = tokio::io::ReadBuf::new(buf);
|
||||
let addr = ready!(tokio::net::UdpSocket::poll_recv_from(self, cx, &mut buf))?;
|
||||
let len = buf.filled().len();
|
||||
fn poll_recv_from(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &mut [u8],
|
||||
) -> Poll<io::Result<(usize, SocketAddr)>> {
|
||||
let mut buf = tokio::io::ReadBuf::new(buf);
|
||||
let addr = ready!(tokio::net::UdpSocket::poll_recv_from(self, cx, &mut buf))?;
|
||||
let len = buf.filled().len();
|
||||
|
||||
Poll::Ready(Ok((len, addr)))
|
||||
})
|
||||
.await
|
||||
Poll::Ready(Ok((len, addr)))
|
||||
}
|
||||
|
||||
async fn send_to(&self, buf: &[u8], target: &SocketAddr) -> io::Result<usize> {
|
||||
futures_util::future::poll_fn(|cx| {
|
||||
tokio::net::UdpSocket::poll_send_to(self, cx, buf, target)
|
||||
})
|
||||
.await
|
||||
fn poll_send_to(
|
||||
&self,
|
||||
cx: &mut Context,
|
||||
buf: &[u8],
|
||||
target: &SocketAddr,
|
||||
) -> Poll<io::Result<usize>> {
|
||||
tokio::net::UdpSocket::poll_send_to(self, cx, buf, target)
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user