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liujun pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/dubbo-rust.git
The following commit(s) were added to refs/heads/main by this push:
new 816cd59 Ftr: Implementation of the remoting layer the net package
(#119)
816cd59 is described below
commit 816cd596a80768f1227c1ed05bae500a84c5100e
Author: 墨舟 <[email protected]>
AuthorDate: Tue Feb 28 21:24:36 2023 +0800
Ftr: Implementation of the remoting layer the net package (#119)
---
Cargo.toml | 17 ++-
config/src/protocol.rs | 4 +-
remoting/net/Cargo.toml | 17 +++
remoting/net/LICENSE | 202 ++++++++++++++++++++++++++
remoting/net/src/conn.rs | 334 +++++++++++++++++++++++++++++++++++++++++++
remoting/net/src/dial.rs | 154 ++++++++++++++++++++
remoting/net/src/incoming.rs | 150 +++++++++++++++++++
remoting/net/src/lib.rs | 96 +++++++++++++
remoting/net/src/pool.rs | 16 +++
remoting/net/src/probe.rs | 79 ++++++++++
10 files changed, 1066 insertions(+), 3 deletions(-)
diff --git a/Cargo.toml b/Cargo.toml
index 7bb948d..d18fab3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,6 +10,21 @@ members = [
"examples/echo",
"examples/greeter",
"dubbo-build",
- "common/logger"
+ "remoting/net"
]
+
+[workspace.dependencies]
+pin-project = "1"
+tokio = "1.0"
+tower = "0.4"
+tokio-stream = "0.1"
+tokio-util = "0.7"
+socket2 = "0.4"
+async-trait = "0.1"
+dashmap = "5"
+lazy_static = "1"
+futures = "0.3"
+tracing = "0.1"
+tracing-subscriber = "0.3.15"
+
diff --git a/config/src/protocol.rs b/config/src/protocol.rs
index cdc357a..4a47ac9 100644
--- a/config/src/protocol.rs
+++ b/config/src/protocol.rs
@@ -73,10 +73,10 @@ impl ProtocolRetrieve for ProtocolConfig {
fn get_protocol_or_default(&self, protocol_key: &str) -> Protocol {
let result = self.get_protocol(protocol_key);
if let Some(..) = result {
- result.unwrap().clone()
+ result.unwrap()
} else {
let result = self.get_protocol(protocol_key);
- if result.is_none() {
+ if let Some(..) = result {
panic!("default triple protocol dose not defined.")
} else {
result.unwrap()
diff --git a/remoting/net/Cargo.toml b/remoting/net/Cargo.toml
new file mode 100644
index 0000000..c39a362
--- /dev/null
+++ b/remoting/net/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "remoting"
+version = "0.1.0"
+edition = "2021"
+
+
+[dependencies]
+pin-project.workspace = true
+tokio = { workspace = true, features = ["net", "time", "sync",
"io-util","test-util","macros"] }
+tokio-stream = { workspace = true, features = ["net"] }
+tower.workspace = true
+socket2.workspace = true
+async-trait.workspace = true
+dashmap.workspace = true
+lazy_static.workspace = true
+futures.workspace = true
+tracing.workspace = true
diff --git a/remoting/net/LICENSE b/remoting/net/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/remoting/net/LICENSE
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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diff --git a/remoting/net/src/conn.rs b/remoting/net/src/conn.rs
new file mode 100644
index 0000000..c315501
--- /dev/null
+++ b/remoting/net/src/conn.rs
@@ -0,0 +1,334 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+use std::{
+ io,
+ pin::Pin,
+ task::{Context, Poll},
+};
+
+use pin_project::pin_project;
+#[cfg(target_family = "unix")]
+use tokio::net::{unix, UnixStream};
+use tokio::{
+ io::{AsyncRead, AsyncWrite, ReadBuf},
+ net::{tcp, TcpStream},
+};
+
+use super::Address;
+
+#[derive(Clone)]
+pub struct ConnInfo {
+ pub peer_addr: Option<Address>,
+}
+
+pub trait DynStream: AsyncRead + AsyncWrite + Send + 'static {}
+
+impl<T> DynStream for T where T: AsyncRead + AsyncWrite + Send + 'static {}
+
+#[pin_project(project = IoStreamProj)]
+pub enum ConnStream {
+ Tcp(#[pin] TcpStream),
+ #[cfg(target_family = "unix")]
+ Unix(#[pin] UnixStream),
+}
+
+#[pin_project(project = OwnedWriteHalfProj)]
+pub enum OwnedWriteHalf {
+ Tcp(#[pin] tcp::OwnedWriteHalf),
+ #[cfg(target_family = "unix")]
+ Unix(#[pin] unix::OwnedWriteHalf),
+}
+
+impl AsyncWrite for OwnedWriteHalf {
+ #[inline]
+ fn poll_write(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &[u8],
+ ) -> Poll<Result<usize, io::Error>> {
+ match self.project() {
+ OwnedWriteHalfProj::Tcp(half) => half.poll_write(cx, buf),
+ #[cfg(target_family = "unix")]
+ OwnedWriteHalfProj::Unix(half) => half.poll_write(cx, buf),
+ }
+ }
+
+ #[inline]
+ fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<Result<(), io::Error>> {
+ match self.project() {
+ OwnedWriteHalfProj::Tcp(half) => half.poll_flush(cx),
+ #[cfg(target_family = "unix")]
+ OwnedWriteHalfProj::Unix(half) => half.poll_flush(cx),
+ }
+ }
+
+ #[inline]
+ fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<Result<(), io::Error>> {
+ match self.project() {
+ OwnedWriteHalfProj::Tcp(half) => half.poll_shutdown(cx),
+ #[cfg(target_family = "unix")]
+ OwnedWriteHalfProj::Unix(half) => half.poll_shutdown(cx),
+ }
+ }
+
+ #[inline]
+ fn poll_write_vectored(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ bufs: &[io::IoSlice<'_>],
+ ) -> Poll<Result<usize, io::Error>> {
+ match self.project() {
+ OwnedWriteHalfProj::Tcp(half) => half.poll_write_vectored(cx,
bufs),
+ #[cfg(target_family = "unix")]
+ OwnedWriteHalfProj::Unix(half) => half.poll_write_vectored(cx,
bufs),
+ }
+ }
+
+ #[inline]
+ fn is_write_vectored(&self) -> bool {
+ match self {
+ Self::Tcp(half) => half.is_write_vectored(),
+ #[cfg(target_family = "unix")]
+ Self::Unix(half) => half.is_write_vectored(),
+ }
+ }
+}
+
+#[pin_project(project = OwnedReadHalfProj)]
+pub enum OwnedReadHalf {
+ Tcp(#[pin] tcp::OwnedReadHalf),
+ #[cfg(target_family = "unix")]
+ Unix(#[pin] unix::OwnedReadHalf),
+}
+
+impl AsyncRead for OwnedReadHalf {
+ #[inline]
+ fn poll_read(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &mut ReadBuf<'_>,
+ ) -> Poll<Result<(), io::Error>> {
+ match self.project() {
+ OwnedReadHalfProj::Tcp(half) => half.poll_read(cx, buf),
+ #[cfg(target_family = "unix")]
+ OwnedReadHalfProj::Unix(half) => half.poll_read(cx, buf),
+ }
+ }
+}
+
+impl ConnStream {
+ #[allow(clippy::type_complexity)]
+ pub fn into_split(self) -> (OwnedReadHalf, OwnedWriteHalf) {
+ match self {
+ Self::Tcp(stream) => {
+ let (rh, wh) = stream.into_split();
+ (OwnedReadHalf::Tcp(rh), OwnedWriteHalf::Tcp(wh))
+ }
+ #[cfg(target_family = "unix")]
+ Self::Unix(stream) => {
+ let (rh, wh) = stream.into_split();
+ (OwnedReadHalf::Unix(rh), OwnedWriteHalf::Unix(wh))
+ }
+ }
+ }
+}
+
+impl From<TcpStream> for ConnStream {
+ #[inline]
+ fn from(s: TcpStream) -> Self {
+ let _ = s.set_nodelay(true);
+ Self::Tcp(s)
+ }
+}
+
+#[cfg(target_family = "unix")]
+impl From<UnixStream> for ConnStream {
+ #[inline]
+ fn from(s: UnixStream) -> Self {
+ Self::Unix(s)
+ }
+}
+
+impl AsyncRead for ConnStream {
+ #[inline]
+ fn poll_read(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &mut ReadBuf<'_>,
+ ) -> Poll<io::Result<()>> {
+ match self.project() {
+ IoStreamProj::Tcp(s) => s.poll_read(cx, buf),
+ #[cfg(target_family = "unix")]
+ IoStreamProj::Unix(s) => s.poll_read(cx, buf),
+ }
+ }
+}
+
+impl AsyncWrite for ConnStream {
+ #[inline]
+ fn poll_write(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &[u8],
+ ) -> Poll<Result<usize, io::Error>> {
+ match self.project() {
+ IoStreamProj::Tcp(s) => s.poll_write(cx, buf),
+ #[cfg(target_family = "unix")]
+ IoStreamProj::Unix(s) => s.poll_write(cx, buf),
+ }
+ }
+
+ #[inline]
+ fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<Result<(), io::Error>> {
+ match self.project() {
+ IoStreamProj::Tcp(s) => s.poll_flush(cx),
+ #[cfg(target_family = "unix")]
+ IoStreamProj::Unix(s) => s.poll_flush(cx),
+ }
+ }
+
+ #[inline]
+ fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<Result<(), io::Error>> {
+ match self.project() {
+ IoStreamProj::Tcp(s) => s.poll_shutdown(cx),
+ #[cfg(target_family = "unix")]
+ IoStreamProj::Unix(s) => s.poll_shutdown(cx),
+ }
+ }
+
+ #[inline]
+ fn poll_write_vectored(
+ self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ bufs: &[io::IoSlice<'_>],
+ ) -> Poll<Result<usize, io::Error>> {
+ match self.project() {
+ IoStreamProj::Tcp(s) => s.poll_write_vectored(cx, bufs),
+ #[cfg(target_family = "unix")]
+ IoStreamProj::Unix(s) => s.poll_write_vectored(cx, bufs),
+ }
+ }
+
+ #[inline]
+ fn is_write_vectored(&self) -> bool {
+ match self {
+ Self::Tcp(s) => s.is_write_vectored(),
+ #[cfg(target_family = "unix")]
+ Self::Unix(s) => s.is_write_vectored(),
+ }
+ }
+}
+
+impl ConnStream {
+ #[inline]
+ pub fn peer_addr(&self) -> Option<Address> {
+ match self {
+ Self::Tcp(s) => s.peer_addr().map(Address::from).ok(),
+ #[cfg(target_family = "unix")]
+ Self::Unix(s) => s.peer_addr().ok().and_then(|s|
Address::try_from(s).ok()),
+ }
+ }
+}
+pub struct Conn {
+ pub stream: ConnStream,
+ pub info: ConnInfo,
+}
+
+impl Conn {
+ #[inline]
+ pub fn new(stream: ConnStream, info: ConnInfo) -> Self {
+ Conn { stream, info }
+ }
+}
+
+impl<T> From<T> for Conn
+where
+ T: Into<ConnStream>,
+{
+ #[inline]
+ fn from(i: T) -> Self {
+ let i = i.into();
+ let peer_addr = i.peer_addr();
+ Conn::new(i, ConnInfo { peer_addr })
+ }
+}
+
+impl AsyncRead for Conn {
+ #[inline]
+ fn poll_read(
+ mut self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &mut ReadBuf<'_>,
+ ) -> Poll<io::Result<()>> {
+ Pin::new(&mut self.stream).poll_read(cx, buf)
+ }
+}
+
+impl AsyncWrite for Conn {
+ #[inline]
+ fn poll_write(
+ mut self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ buf: &[u8],
+ ) -> Poll<io::Result<usize>> {
+ Pin::new(&mut self.stream).poll_write(cx, buf)
+ }
+
+ #[inline]
+ fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<io::Result<()>> {
+ Pin::new(&mut self.stream).poll_flush(cx)
+ }
+
+ #[inline]
+ fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<io::Result<()>> {
+ Pin::new(&mut self.stream).poll_shutdown(cx)
+ }
+
+ #[inline]
+ fn poll_write_vectored(
+ mut self: Pin<&mut Self>,
+ cx: &mut Context<'_>,
+ bufs: &[io::IoSlice<'_>],
+ ) -> Poll<Result<usize, io::Error>> {
+ Pin::new(&mut self.stream).poll_write_vectored(cx, bufs)
+ }
+
+ #[inline]
+ fn is_write_vectored(&self) -> bool {
+ self.stream.is_write_vectored()
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use crate::{dial::DefaultMakeTransport, Address};
+ use tokio::io::AsyncWriteExt;
+
+ // listen by command: nc -l 8858 -v
+ #[tokio::test(flavor = "current_thread")]
+ async fn test_write_bytes() {
+ let transport = DefaultMakeTransport::new();
+ let mut conn = transport
+ .make_connection(Address::Ip("127.0.0.1:8858".parse().unwrap()))
+ .await
+ .unwrap();
+ conn.write_all("\n\rhello dubbo-rust\n\r".to_string().as_bytes())
+ .await
+ .unwrap();
+ }
+}
diff --git a/remoting/net/src/dial.rs b/remoting/net/src/dial.rs
new file mode 100644
index 0000000..704e7cd
--- /dev/null
+++ b/remoting/net/src/dial.rs
@@ -0,0 +1,154 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+use std::io;
+
+use socket2::{Domain, Protocol, Socket, Type};
+#[cfg(target_family = "unix")]
+use tokio::net::UnixStream;
+use tokio::{
+ io::{AsyncRead, AsyncWrite},
+ net::TcpSocket,
+ time::{timeout, Duration},
+};
+
+use super::{
+ conn::{Conn, OwnedReadHalf, OwnedWriteHalf},
+ Address,
+};
+
+/// [`MakeTransport`] creates an [`AsyncRead`] and an [`AsyncWrite`] for the
given [`Address`].
+#[async_trait::async_trait]
+pub trait MakeTransport: Clone + Send + Sync + 'static {
+ type ReadHalf: AsyncRead + Send + Sync + Unpin + 'static;
+ type WriteHalf: AsyncWrite + Send + Sync + Unpin + 'static;
+
+ async fn make_transport(&self, addr: Address) ->
io::Result<(Self::ReadHalf, Self::WriteHalf)>;
+ fn set_connect_timeout(&mut self, timeout: Option<Duration>);
+ fn set_read_timeout(&mut self, timeout: Option<Duration>);
+ fn set_write_timeout(&mut self, timeout: Option<Duration>);
+}
+
+#[derive(Default, Debug, Clone, Copy)]
+pub struct DefaultMakeTransport {
+ cfg: Config,
+}
+
+#[derive(Default, Debug, Clone, Copy)]
+pub struct Config {
+ pub connect_timeout: Option<Duration>,
+ pub read_timeout: Option<Duration>,
+ pub write_timeout: Option<Duration>,
+}
+
+impl Config {
+ pub fn new(
+ connect_timeout: Option<Duration>,
+ read_timeout: Option<Duration>,
+ write_timeout: Option<Duration>,
+ ) -> Self {
+ Self {
+ connect_timeout,
+ read_timeout,
+ write_timeout,
+ }
+ }
+
+ pub fn with_connect_timeout(mut self, timeout: Option<Duration>) -> Self {
+ self.connect_timeout = timeout;
+ self
+ }
+
+ pub fn with_read_timeout(mut self, timeout: Option<Duration>) -> Self {
+ self.read_timeout = timeout;
+ self
+ }
+
+ pub fn with_write_timeout(mut self, timeout: Option<Duration>) -> Self {
+ self.write_timeout = timeout;
+ self
+ }
+}
+
+impl DefaultMakeTransport {
+ pub fn new() -> Self {
+ Self::default()
+ }
+}
+
+#[async_trait::async_trait]
+impl MakeTransport for DefaultMakeTransport {
+ type ReadHalf = OwnedReadHalf;
+
+ type WriteHalf = OwnedWriteHalf;
+
+ async fn make_transport(&self, addr: Address) ->
io::Result<(Self::ReadHalf, Self::WriteHalf)> {
+ let conn = self.make_connection(addr).await?;
+ let (read, write) = conn.stream.into_split();
+ Ok((read, write))
+ }
+
+ fn set_connect_timeout(&mut self, timeout: Option<Duration>) {
+ self.cfg = self.cfg.with_connect_timeout(timeout);
+ }
+
+ fn set_read_timeout(&mut self, timeout: Option<Duration>) {
+ self.cfg = self.cfg.with_read_timeout(timeout);
+ }
+
+ fn set_write_timeout(&mut self, timeout: Option<Duration>) {
+ self.cfg = self.cfg.with_write_timeout(timeout);
+ }
+}
+
+impl DefaultMakeTransport {
+ pub async fn make_connection(&self, addr: Address) -> Result<Conn,
io::Error> {
+ match addr {
+ Address::Ip(addr) => {
+ let stream = {
+ let domain = Domain::for_address(addr);
+ let socket = Socket::new(domain, Type::STREAM,
Some(Protocol::TCP))?;
+ socket.set_nonblocking(true)?;
+ socket.set_read_timeout(self.cfg.read_timeout)?;
+ socket.set_write_timeout(self.cfg.write_timeout)?;
+
+ #[cfg(unix)]
+ let socket = unsafe {
+ use std::os::unix::io::{FromRawFd, IntoRawFd};
+ TcpSocket::from_raw_fd(socket.into_raw_fd())
+ };
+ #[cfg(windows)]
+ let socket = unsafe {
+ use std::os::windows::io::{FromRawSocket,
IntoRawSocket};
+ TcpSocket::from_raw_socket(socket.into_raw_socket())
+ };
+
+ let connect = socket.connect(addr);
+
+ if let Some(conn_timeout) = self.cfg.connect_timeout {
+ timeout(conn_timeout, connect).await??
+ } else {
+ connect.await?
+ }
+ };
+ stream.set_nodelay(true)?;
+ Ok(Conn::from(stream))
+ }
+ #[cfg(target_family = "unix")]
+ Address::Unix(addr) =>
UnixStream::connect(addr).await.map(Conn::from),
+ }
+ }
+}
diff --git a/remoting/net/src/incoming.rs b/remoting/net/src/incoming.rs
new file mode 100644
index 0000000..8267260
--- /dev/null
+++ b/remoting/net/src/incoming.rs
@@ -0,0 +1,150 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+use std::{
+ fmt, io,
+ task::{Context, Poll},
+};
+
+use futures::Stream;
+use pin_project::pin_project;
+use tokio::net::TcpListener;
+#[cfg(target_family = "unix")]
+use tokio::net::UnixListener;
+#[cfg(target_family = "unix")]
+use tokio_stream::wrappers::UnixListenerStream;
+use tokio_stream::{wrappers::TcpListenerStream, StreamExt};
+
+use super::{conn::Conn, Address};
+
+#[pin_project(project = IncomingProj)]
+#[derive(Debug)]
+pub enum DefaultIncoming {
+ Tcp(#[pin] TcpListenerStream),
+ #[cfg(target_family = "unix")]
+ Unix(#[pin] UnixListenerStream),
+}
+
+#[async_trait::async_trait]
+impl MakeIncoming for DefaultIncoming {
+ type Incoming = DefaultIncoming;
+
+ async fn make_incoming(self) -> io::Result<Self::Incoming> {
+ Ok(self)
+ }
+}
+
+#[cfg(target_family = "unix")]
+impl From<UnixListener> for DefaultIncoming {
+ fn from(l: UnixListener) -> Self {
+ DefaultIncoming::Unix(UnixListenerStream::new(l))
+ }
+}
+
+impl From<TcpListener> for DefaultIncoming {
+ fn from(l: TcpListener) -> Self {
+ DefaultIncoming::Tcp(TcpListenerStream::new(l))
+ }
+}
+
+#[async_trait::async_trait]
+pub trait Incoming: fmt::Debug + Send + 'static {
+ async fn accept(&mut self) -> io::Result<Option<Conn>>;
+}
+
+#[async_trait::async_trait]
+impl Incoming for DefaultIncoming {
+ async fn accept(&mut self) -> io::Result<Option<Conn>> {
+ if let Some(conn) = self.try_next().await? {
+ tracing::trace!("[Net] recv a connection from: {:?}",
conn.info.peer_addr);
+ Ok(Some(conn))
+ } else {
+ Ok(None)
+ }
+ }
+}
+
+#[async_trait::async_trait]
+pub trait MakeIncoming {
+ type Incoming: Incoming;
+
+ async fn make_incoming(self) -> io::Result<Self::Incoming>;
+}
+
+#[async_trait::async_trait]
+impl MakeIncoming for Address {
+ type Incoming = DefaultIncoming;
+
+ async fn make_incoming(self) -> io::Result<Self::Incoming> {
+ match self {
+ Address::Ip(addr) =>
TcpListener::bind(addr).await.map(DefaultIncoming::from),
+ #[cfg(target_family = "unix")]
+ Address::Unix(addr) =>
UnixListener::bind(addr).map(DefaultIncoming::from),
+ }
+ }
+}
+
+impl Stream for DefaultIncoming {
+ type Item = io::Result<Conn>;
+
+ fn poll_next(self: std::pin::Pin<&mut Self>, cx: &mut Context<'_>) ->
Poll<Option<Self::Item>> {
+ match self.project() {
+ IncomingProj::Tcp(s) => s.poll_next(cx).map_ok(Conn::from),
+ #[cfg(target_family = "unix")]
+ IncomingProj::Unix(s) => s.poll_next(cx).map_ok(Conn::from),
+ }
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use tokio::{io::AsyncReadExt, net::TcpListener};
+ use tokio_stream::wrappers::TcpListenerStream;
+
+ use crate::{incoming::Incoming, DefaultIncoming, MakeIncoming};
+
+ #[tokio::test]
+ async fn test_read_bytes() {
+ let listener = TcpListener::bind("127.0.0.1:8858").await.unwrap();
+ let incoming = DefaultIncoming::Tcp(TcpListenerStream::new(listener))
+ .make_incoming()
+ .await
+ .unwrap();
+ println!("[Dubbo-Rust] server start at: {:?}", incoming);
+ let join_handle = tokio::spawn(async move {
+ let mut incoming = incoming;
+ match incoming.accept().await.unwrap() {
+ Some(mut conn) => {
+ println!(
+ "[Dubbo-Rust] recv a connection from: {:?}",
+ conn.info.peer_addr
+ );
+ let mut buf = vec![0; 1024];
+ let n = conn.read(&mut buf).await.unwrap();
+ println!(
+ "[Dubbo-Rust] recv a connection from: {:?}",
+ String::from_utf8(buf[..n].to_vec()).unwrap()
+ );
+ }
+ None => {
+ println!("[Dubbo-Rust] recv a connection from: None");
+ }
+ }
+ });
+ tokio::time::sleep(std::time::Duration::from_secs(10)).await;
+ drop(join_handle);
+ }
+}
diff --git a/remoting/net/src/lib.rs b/remoting/net/src/lib.rs
new file mode 100644
index 0000000..38f95a2
--- /dev/null
+++ b/remoting/net/src/lib.rs
@@ -0,0 +1,96 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+pub mod conn;
+pub mod dial;
+pub mod incoming;
+mod pool;
+mod probe;
+
+use std::{borrow::Cow, fmt, net::Ipv6Addr, path::Path};
+
+pub use incoming::{DefaultIncoming, MakeIncoming};
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+pub enum Address {
+ Ip(std::net::SocketAddr),
+ #[cfg(target_family = "unix")]
+ Unix(Cow<'static, Path>),
+}
+
+impl Address {
+ pub fn favor_dual_stack(self) -> Self {
+ match self {
+ Address::Ip(addr) => {
+ if addr.ip().is_unspecified() && should_favor_ipv6() {
+ Address::Ip((Ipv6Addr::UNSPECIFIED, addr.port()).into())
+ } else {
+ self
+ }
+ }
+ #[cfg(target_family = "unix")]
+ _ => self,
+ }
+ }
+}
+
+fn should_favor_ipv6() -> bool {
+ let probed = probe::probe();
+ !probed.ipv4 || probed.ipv4_mapped_ipv6
+}
+
+impl fmt::Display for Address {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ match self {
+ Address::Ip(addr) => write!(f, "{addr}"),
+ #[cfg(target_family = "unix")]
+ Address::Unix(path) => write!(f, "{}", path.display()),
+ }
+ }
+}
+
+impl From<std::net::SocketAddr> for Address {
+ fn from(addr: std::net::SocketAddr) -> Self {
+ Address::Ip(addr)
+ }
+}
+
+#[cfg(target_family = "unix")]
+impl From<Cow<'static, Path>> for Address {
+ fn from(addr: Cow<'static, Path>) -> Self {
+ Address::Unix(addr)
+ }
+}
+
+#[cfg(target_family = "unix")]
+impl TryFrom<tokio::net::unix::SocketAddr> for Address {
+ type Error = std::io::Error;
+
+ fn try_from(value: tokio::net::unix::SocketAddr) -> Result<Self,
Self::Error> {
+ Ok(Address::Unix(Cow::Owned(
+ value
+ .as_pathname()
+ .ok_or_else(|| {
+ std::io::Error::new(
+ std::io::ErrorKind::Other,
+ "unix socket doesn't have an address",
+ )
+ })?
+ .to_owned(),
+ )))
+ }
+}
diff --git a/remoting/net/src/pool.rs b/remoting/net/src/pool.rs
new file mode 100644
index 0000000..2944f98
--- /dev/null
+++ b/remoting/net/src/pool.rs
@@ -0,0 +1,16 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
diff --git a/remoting/net/src/probe.rs b/remoting/net/src/probe.rs
new file mode 100644
index 0000000..216afbe
--- /dev/null
+++ b/remoting/net/src/probe.rs
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+use lazy_static::lazy_static;
+use socket2::{Domain, Protocol, Socket, Type};
+
+#[derive(Debug)]
+pub struct IpStackCapability {
+ pub ipv4: bool,
+ pub ipv6: bool,
+ pub ipv4_mapped_ipv6: bool,
+}
+
+impl IpStackCapability {
+ fn probe() -> Self {
+ IpStackCapability {
+ ipv4: Self::probe_ipv4(),
+ ipv6: Self::probe_ipv6(),
+ ipv4_mapped_ipv6: Self::probe_ipv4_mapped_ipv6(),
+ }
+ }
+
+ fn probe_ipv4() -> bool {
+ let s = Socket::new(Domain::IPV4, Type::STREAM, Some(Protocol::TCP));
+ s.is_ok()
+ }
+
+ fn probe_ipv6() -> bool {
+ let s = Socket::new(Domain::IPV6, Type::STREAM, Some(Protocol::TCP));
+ let s = match s {
+ Ok(s) => s,
+ Err(_) => return false,
+ };
+ // this error is ignored in go, follow their strategy
+ let _ = s.set_only_v6(true);
+ let addr: std::net::SocketAddr = ([0, 0, 0, 0, 0, 0, 0, 1], 0).into();
+ s.bind(&addr.into()).is_ok()
+ }
+
+ fn probe_ipv4_mapped_ipv6() -> bool {
+ let s = Socket::new(Domain::IPV6, Type::STREAM, Some(Protocol::TCP));
+ let s = match s {
+ Ok(s) => s,
+ Err(_) => return false,
+ };
+ !s.only_v6().unwrap_or(true)
+ }
+}
+
+pub fn probe() -> &'static IpStackCapability {
+ lazy_static! {
+ static ref CAPABILITY: IpStackCapability = IpStackCapability::probe();
+ }
+ &CAPABILITY
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ #[ignore]
+ fn tryout_probe() {
+ println!("{:?}", probe());
+ }
+}
