<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/libstd/net/tcp.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>tcp.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../normalize1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc1.35.0.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../light1.35.0.css" id="themeStyle"><script src="../../../storage1.35.0.js"></script><noscript><link rel="stylesheet" href="../../../noscript1.35.0.css"></noscript><link rel="shortcut icon" href="../../../favicon1.35.0.ico"><style type="text/css">#crate-search{background-image:url("../../../down-arrow1.35.0.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../std/index.html'><img src='../../../rust-logo1.35.0.png' alt='logo' width='100'></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush1.35.0.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme1.35.0.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel1.35.0.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">io</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">fmt</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">io</span>::{<span class="self">self</span>, <span class="ident">Initializer</span>, <span class="ident">IoVec</span>, <span class="ident">IoVecMut</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">net</span>::{<span class="ident">ToSocketAddrs</span>, <span class="ident">SocketAddr</span>, <span class="ident">Shutdown</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sys_common</span>::<span class="ident">net</span> <span class="kw">as</span> <span class="ident">net_imp</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sys_common</span>::{<span class="ident">AsInner</span>, <span class="ident">FromInner</span>, <span class="ident">IntoInner</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">time</span>::<span class="ident">Duration</span>;
<span class="doccomment">/// A TCP stream between a local and a remote socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// After creating a `TcpStream` by either [`connect`]ing to a remote host or</span>
<span class="doccomment">/// [`accept`]ing a connection on a [`TcpListener`], data can be transmitted</span>
<span class="doccomment">/// by [reading] and [writing] to it.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The connection will be closed when the value is dropped. The reading and writing</span>
<span class="doccomment">/// portions of the connection can also be shut down individually with the [`shutdown`]</span>
<span class="doccomment">/// method.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The Transmission Control Protocol is specified in [IETF RFC 793].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`accept`]: ../../std/net/struct.TcpListener.html#method.accept</span>
<span class="doccomment">/// [`connect`]: #method.connect</span>
<span class="doccomment">/// [IETF RFC 793]: https://tools.ietf.org/html/rfc793</span>
<span class="doccomment">/// [reading]: ../../std/io/trait.Read.html</span>
<span class="doccomment">/// [`shutdown`]: #method.shutdown</span>
<span class="doccomment">/// [`TcpListener`]: ../../std/net/struct.TcpListener.html</span>
<span class="doccomment">/// [writing]: ../../std/io/trait.Write.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::io::prelude::*;</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() -> std::io::Result<()> {</span>
<span class="doccomment">/// let mut stream = TcpStream::connect("127.0.0.1:34254")?;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// stream.write(&[1])?;</span>
<span class="doccomment">/// stream.read(&mut [0; 128])?;</span>
<span class="doccomment">/// Ok(())</span>
<span class="doccomment">/// } // the stream is closed here</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TcpStream</span>(<span class="ident">net_imp</span>::<span class="ident">TcpStream</span>);
<span class="doccomment">/// A TCP socket server, listening for connections.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// After creating a `TcpListener` by [`bind`]ing it to a socket address, it listens</span>
<span class="doccomment">/// for incoming TCP connections. These can be accepted by calling [`accept`] or by</span>
<span class="doccomment">/// iterating over the [`Incoming`] iterator returned by [`incoming`][`TcpListener::incoming`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The socket will be closed when the value is dropped.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The Transmission Control Protocol is specified in [IETF RFC 793].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`accept`]: #method.accept</span>
<span class="doccomment">/// [`bind`]: #method.bind</span>
<span class="doccomment">/// [IETF RFC 793]: https://tools.ietf.org/html/rfc793</span>
<span class="doccomment">/// [`Incoming`]: ../../std/net/struct.Incoming.html</span>
<span class="doccomment">/// [`TcpListener::incoming`]: #method.incoming</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// # use std::io;</span>
<span class="doccomment">/// use std::net::{TcpListener, TcpStream};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn handle_client(stream: TcpStream) {</span>
<span class="doccomment">/// // ...</span>
<span class="doccomment">/// }</span>
<span class="doccomment">///</span>
<span class="doccomment">/// fn main() -> io::Result<()> {</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80")?;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// // accept connections and process them serially</span>
<span class="doccomment">/// for stream in listener.incoming() {</span>
<span class="doccomment">/// handle_client(stream?);</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// Ok(())</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TcpListener</span>(<span class="ident">net_imp</span>::<span class="ident">TcpListener</span>);
<span class="doccomment">/// An iterator that infinitely [`accept`]s connections on a [`TcpListener`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This `struct` is created by the [`incoming`] method on [`TcpListener`].</span>
<span class="doccomment">/// See its documentation for more.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`accept`]: ../../std/net/struct.TcpListener.html#method.accept</span>
<span class="doccomment">/// [`incoming`]: ../../std/net/struct.TcpListener.html#method.incoming</span>
<span class="doccomment">/// [`TcpListener`]: ../../std/net/struct.TcpListener.html</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Incoming</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> { <span class="ident">listener</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">TcpListener</span> }
<span class="kw">impl</span> <span class="ident">TcpStream</span> {
<span class="doccomment">/// Opens a TCP connection to a remote host.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// `addr` is an address of the remote host. Anything which implements</span>
<span class="doccomment">/// [`ToSocketAddrs`] trait can be supplied for the address; see this trait</span>
<span class="doccomment">/// documentation for concrete examples.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If `addr` yields multiple addresses, `connect` will be attempted with</span>
<span class="doccomment">/// each of the addresses until a connection is successful. If none of</span>
<span class="doccomment">/// the addresses result in a successful connection, the error returned from</span>
<span class="doccomment">/// the last connection attempt (the last address) is returned.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`ToSocketAddrs`]: ../../std/net/trait.ToSocketAddrs.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Open a TCP connection to `127.0.0.1:8080`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// if let Ok(stream) = TcpStream::connect("127.0.0.1:8080") {</span>
<span class="doccomment">/// println!("Connected to the server!");</span>
<span class="doccomment">/// } else {</span>
<span class="doccomment">/// println!("Couldn't connect to server...");</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Open a TCP connection to `127.0.0.1:8080`. If the connection fails, open</span>
<span class="doccomment">/// a TCP connection to `127.0.0.1:8081`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{SocketAddr, TcpStream};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let addrs = [</span>
<span class="doccomment">/// SocketAddr::from(([127, 0, 0, 1], 8080)),</span>
<span class="doccomment">/// SocketAddr::from(([127, 0, 0, 1], 8081)),</span>
<span class="doccomment">/// ];</span>
<span class="doccomment">/// if let Ok(stream) = TcpStream::connect(&addrs[..]) {</span>
<span class="doccomment">/// println!("Connected to the server!");</span>
<span class="doccomment">/// } else {</span>
<span class="doccomment">/// println!("Couldn't connect to server...");</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">connect</span><span class="op"><</span><span class="ident">A</span>: <span class="ident">ToSocketAddrs</span><span class="op">></span>(<span class="ident">addr</span>: <span class="ident">A</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span> {
<span class="kw">super</span>::<span class="ident">each_addr</span>(<span class="ident">addr</span>, <span class="ident">net_imp</span>::<span class="ident">TcpStream</span>::<span class="ident">connect</span>).<span class="ident">map</span>(<span class="ident">TcpStream</span>)
}
<span class="doccomment">/// Opens a TCP connection to a remote host with a timeout.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Unlike `connect`, `connect_timeout` takes a single [`SocketAddr`] since</span>
<span class="doccomment">/// timeout must be applied to individual addresses.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// It is an error to pass a zero `Duration` to this function.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Unlike other methods on `TcpStream`, this does not correspond to a</span>
<span class="doccomment">/// single system call. It instead calls `connect` in nonblocking mode and</span>
<span class="doccomment">/// then uses an OS-specific mechanism to await the completion of the</span>
<span class="doccomment">/// connection request.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`SocketAddr`]: ../../std/net/enum.SocketAddr.html</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"tcpstream_connect_timeout"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.21.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">connect_timeout</span>(<span class="ident">addr</span>: <span class="kw-2">&</span><span class="ident">SocketAddr</span>, <span class="ident">timeout</span>: <span class="ident">Duration</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span> {
<span class="ident">net_imp</span>::<span class="ident">TcpStream</span>::<span class="ident">connect_timeout</span>(<span class="ident">addr</span>, <span class="ident">timeout</span>).<span class="ident">map</span>(<span class="ident">TcpStream</span>)
}
<span class="doccomment">/// Returns the socket address of the remote peer of this TCP connection.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4, TcpStream};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// assert_eq!(stream.peer_addr().unwrap(),</span>
<span class="doccomment">/// SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080)));</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">peer_addr</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">SocketAddr</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">peer_addr</span>()
}
<span class="doccomment">/// Returns the socket address of the local half of this TCP connection.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{IpAddr, Ipv4Addr, TcpStream};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// assert_eq!(stream.local_addr().unwrap().ip(),</span>
<span class="doccomment">/// IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)));</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">local_addr</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">SocketAddr</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">socket_addr</span>()
}
<span class="doccomment">/// Shuts down the read, write, or both halves of this connection.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This function will cause all pending and future I/O on the specified</span>
<span class="doccomment">/// portions to return immediately with an appropriate value (see the</span>
<span class="doccomment">/// documentation of [`Shutdown`]).</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Shutdown`]: ../../std/net/enum.Shutdown.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Platform-specific behavior</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Calling this function multiple times may result in different behavior,</span>
<span class="doccomment">/// depending on the operating system. On Linux, the second call will</span>
<span class="doccomment">/// return `Ok(())`, but on macOS, it will return `ErrorKind::NotConnected`.</span>
<span class="doccomment">/// This may change in the future.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{Shutdown, TcpStream};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.shutdown(Shutdown::Both).expect("shutdown call failed");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">shutdown</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">how</span>: <span class="ident">Shutdown</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">shutdown</span>(<span class="ident">how</span>)
}
<span class="doccomment">/// Creates a new independently owned handle to the underlying socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The returned `TcpStream` is a reference to the same stream that this</span>
<span class="doccomment">/// object references. Both handles will read and write the same stream of</span>
<span class="doccomment">/// data, and options set on one stream will be propagated to the other</span>
<span class="doccomment">/// stream.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// let stream_clone = stream.try_clone().expect("clone failed...");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">try_clone</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">duplicate</span>().<span class="ident">map</span>(<span class="ident">TcpStream</span>)
}
<span class="doccomment">/// Sets the read timeout to the timeout specified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the value specified is [`None`], then [`read`] calls will block</span>
<span class="doccomment">/// indefinitely. An [`Err`] is returned if the zero [`Duration`] is</span>
<span class="doccomment">/// passed to this method.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Platform-specific behavior</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Platforms may return a different error code whenever a read times out as</span>
<span class="doccomment">/// a result of setting this option. For example Unix typically returns an</span>
<span class="doccomment">/// error of the kind [`WouldBlock`], but Windows may return [`TimedOut`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`None`]: ../../std/option/enum.Option.html#variant.None</span>
<span class="doccomment">/// [`Err`]: ../../std/result/enum.Result.html#variant.Err</span>
<span class="doccomment">/// [`read`]: ../../std/io/trait.Read.html#tymethod.read</span>
<span class="doccomment">/// [`WouldBlock`]: ../../std/io/enum.ErrorKind.html#variant.WouldBlock</span>
<span class="doccomment">/// [`TimedOut`]: ../../std/io/enum.ErrorKind.html#variant.TimedOut</span>
<span class="doccomment">/// [`Duration`]: ../../std/time/struct.Duration.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_read_timeout(None).expect("set_read_timeout call failed");</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// An [`Err`] is returned if the zero [`Duration`] is passed to this</span>
<span class="doccomment">/// method:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::io;</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">/// use std::time::Duration;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080").unwrap();</span>
<span class="doccomment">/// let result = stream.set_read_timeout(Some(Duration::new(0, 0)));</span>
<span class="doccomment">/// let err = result.unwrap_err();</span>
<span class="doccomment">/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput)</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"socket_timeout"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.4.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_read_timeout</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_read_timeout</span>(<span class="ident">dur</span>)
}
<span class="doccomment">/// Sets the write timeout to the timeout specified.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the value specified is [`None`], then [`write`] calls will block</span>
<span class="doccomment">/// indefinitely. An [`Err`] is returned if the zero [`Duration`] is</span>
<span class="doccomment">/// passed to this method.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Platform-specific behavior</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Platforms may return a different error code whenever a write times out</span>
<span class="doccomment">/// as a result of setting this option. For example Unix typically returns</span>
<span class="doccomment">/// an error of the kind [`WouldBlock`], but Windows may return [`TimedOut`].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`None`]: ../../std/option/enum.Option.html#variant.None</span>
<span class="doccomment">/// [`Err`]: ../../std/result/enum.Result.html#variant.Err</span>
<span class="doccomment">/// [`write`]: ../../std/io/trait.Write.html#tymethod.write</span>
<span class="doccomment">/// [`Duration`]: ../../std/time/struct.Duration.html</span>
<span class="doccomment">/// [`WouldBlock`]: ../../std/io/enum.ErrorKind.html#variant.WouldBlock</span>
<span class="doccomment">/// [`TimedOut`]: ../../std/io/enum.ErrorKind.html#variant.TimedOut</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_write_timeout(None).expect("set_write_timeout call failed");</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// An [`Err`] is returned if the zero [`Duration`] is passed to this</span>
<span class="doccomment">/// method:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::io;</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">/// use std::time::Duration;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080").unwrap();</span>
<span class="doccomment">/// let result = stream.set_write_timeout(Some(Duration::new(0, 0)));</span>
<span class="doccomment">/// let err = result.unwrap_err();</span>
<span class="doccomment">/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput)</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"socket_timeout"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.4.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_write_timeout</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dur</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">></span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_write_timeout</span>(<span class="ident">dur</span>)
}
<span class="doccomment">/// Returns the read timeout of this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the timeout is [`None`], then [`read`] calls will block indefinitely.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Platform-specific behavior</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Some platforms do not provide access to the current timeout.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`None`]: ../../std/option/enum.Option.html#variant.None</span>
<span class="doccomment">/// [`read`]: ../../std/io/trait.Read.html#tymethod.read</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_read_timeout(None).expect("set_read_timeout call failed");</span>
<span class="doccomment">/// assert_eq!(stream.read_timeout().unwrap(), None);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"socket_timeout"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.4.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">read_timeout</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">>></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">read_timeout</span>()
}
<span class="doccomment">/// Returns the write timeout of this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If the timeout is [`None`], then [`write`] calls will block indefinitely.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Platform-specific behavior</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Some platforms do not provide access to the current timeout.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`None`]: ../../std/option/enum.Option.html#variant.None</span>
<span class="doccomment">/// [`write`]: ../../std/io/trait.Write.html#tymethod.write</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_write_timeout(None).expect("set_write_timeout call failed");</span>
<span class="doccomment">/// assert_eq!(stream.write_timeout().unwrap(), None);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"socket_timeout"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.4.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">write_timeout</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Duration</span><span class="op">>></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">write_timeout</span>()
}
<span class="doccomment">/// Receives data on the socket from the remote address to which it is</span>
<span class="doccomment">/// connected, without removing that data from the queue. On success,</span>
<span class="doccomment">/// returns the number of bytes peeked.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Successive calls return the same data. This is accomplished by passing</span>
<span class="doccomment">/// `MSG_PEEK` as a flag to the underlying `recv` system call.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8000")</span>
<span class="doccomment">/// .expect("couldn't bind to address");</span>
<span class="doccomment">/// let mut buf = [0; 10];</span>
<span class="doccomment">/// let len = stream.peek(&mut buf).expect("peek failed");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"peek"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.18.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">peek</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">peek</span>(<span class="ident">buf</span>)
}
<span class="doccomment">/// Sets the value of the `TCP_NODELAY` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If set, this option disables the Nagle algorithm. This means that</span>
<span class="doccomment">/// segments are always sent as soon as possible, even if there is only a</span>
<span class="doccomment">/// small amount of data. When not set, data is buffered until there is a</span>
<span class="doccomment">/// sufficient amount to send out, thereby avoiding the frequent sending of</span>
<span class="doccomment">/// small packets.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_nodelay(true).expect("set_nodelay call failed");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_nodelay</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">nodelay</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_nodelay</span>(<span class="ident">nodelay</span>)
}
<span class="doccomment">/// Gets the value of the `TCP_NODELAY` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// For more information about this option, see [`set_nodelay`][link].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [link]: #method.set_nodelay</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_nodelay(true).expect("set_nodelay call failed");</span>
<span class="doccomment">/// assert_eq!(stream.nodelay().unwrap_or(false), true);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">nodelay</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">bool</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">nodelay</span>()
}
<span class="doccomment">/// Sets the value for the `IP_TTL` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This value sets the time-to-live field that is used in every packet sent</span>
<span class="doccomment">/// from this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_ttl(100).expect("set_ttl call failed");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_ttl</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ttl</span>: <span class="ident">u32</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_ttl</span>(<span class="ident">ttl</span>)
}
<span class="doccomment">/// Gets the value of the `IP_TTL` option for this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// For more information about this option, see [`set_ttl`][link].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [link]: #method.set_ttl</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_ttl(100).expect("set_ttl call failed");</span>
<span class="doccomment">/// assert_eq!(stream.ttl().unwrap_or(0), 100);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ttl</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">ttl</span>()
}
<span class="doccomment">/// Gets the value of the `SO_ERROR` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This will retrieve the stored error in the underlying socket, clearing</span>
<span class="doccomment">/// the field in the process. This can be useful for checking errors between</span>
<span class="doccomment">/// calls.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let stream = TcpStream::connect("127.0.0.1:8080")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.take_error().expect("No error was expected...");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">take_error</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">io</span>::<span class="ident">Error</span><span class="op">>></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">take_error</span>()
}
<span class="doccomment">/// Moves this TCP stream into or out of nonblocking mode.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This will result in `read`, `write`, `recv` and `send` operations</span>
<span class="doccomment">/// becoming nonblocking, i.e., immediately returning from their calls.</span>
<span class="doccomment">/// If the IO operation is successful, `Ok` is returned and no further</span>
<span class="doccomment">/// action is required. If the IO operation could not be completed and needs</span>
<span class="doccomment">/// to be retried, an error with kind [`io::ErrorKind::WouldBlock`] is</span>
<span class="doccomment">/// returned.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// On Unix platforms, calling this method corresponds to calling `fcntl`</span>
<span class="doccomment">/// `FIONBIO`. On Windows calling this method corresponds to calling</span>
<span class="doccomment">/// `ioctlsocket` `FIONBIO`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Reading bytes from a TCP stream in non-blocking mode:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::io::{self, Read};</span>
<span class="doccomment">/// use std::net::TcpStream;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let mut stream = TcpStream::connect("127.0.0.1:7878")</span>
<span class="doccomment">/// .expect("Couldn't connect to the server...");</span>
<span class="doccomment">/// stream.set_nonblocking(true).expect("set_nonblocking call failed");</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # fn wait_for_fd() { unimplemented!() }</span>
<span class="doccomment">/// let mut buf = vec![];</span>
<span class="doccomment">/// loop {</span>
<span class="doccomment">/// match stream.read_to_end(&mut buf) {</span>
<span class="doccomment">/// Ok(_) => break,</span>
<span class="doccomment">/// Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {</span>
<span class="doccomment">/// // wait until network socket is ready, typically implemented</span>
<span class="doccomment">/// // via platform-specific APIs such as epoll or IOCP</span>
<span class="doccomment">/// wait_for_fd();</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// Err(e) => panic!("encountered IO error: {}", e),</span>
<span class="doccomment">/// };</span>
<span class="doccomment">/// };</span>
<span class="doccomment">/// println!("bytes: {:?}", buf);</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`io::ErrorKind::WouldBlock`]: ../io/enum.ErrorKind.html#variant.WouldBlock</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_nonblocking</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">nonblocking</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_nonblocking</span>(<span class="ident">nonblocking</span>)
}
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">Read</span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { <span class="self">self</span>.<span class="number">0</span>.<span class="ident">read</span>(<span class="ident">buf</span>) }
<span class="kw">fn</span> <span class="ident">read_vectored</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bufs</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">IoVecMut</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">read_vectored</span>(<span class="ident">bufs</span>)
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">initializer</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">Initializer</span> {
<span class="ident">Initializer</span>::<span class="ident">nop</span>()
}
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">Write</span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { <span class="self">self</span>.<span class="number">0</span>.<span class="ident">write</span>(<span class="ident">buf</span>) }
<span class="kw">fn</span> <span class="ident">write_vectored</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bufs</span>: <span class="kw-2">&</span>[<span class="ident">IoVec</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">write_vectored</span>(<span class="ident">bufs</span>)
}
<span class="kw">fn</span> <span class="ident">flush</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="prelude-val">Ok</span>(()) }
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">Read</span> <span class="kw">for</span> <span class="kw-2">&</span><span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { <span class="self">self</span>.<span class="number">0</span>.<span class="ident">read</span>(<span class="ident">buf</span>) }
<span class="kw">fn</span> <span class="ident">read_vectored</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bufs</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">IoVecMut</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">read_vectored</span>(<span class="ident">bufs</span>)
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">initializer</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">Initializer</span> {
<span class="ident">Initializer</span>::<span class="ident">nop</span>()
}
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">Write</span> <span class="kw">for</span> <span class="kw-2">&</span><span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { <span class="self">self</span>.<span class="number">0</span>.<span class="ident">write</span>(<span class="ident">buf</span>) }
<span class="kw">fn</span> <span class="ident">write_vectored</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">bufs</span>: <span class="kw-2">&</span>[<span class="ident">IoVec</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>]) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">write_vectored</span>(<span class="ident">bufs</span>)
}
<span class="kw">fn</span> <span class="ident">flush</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { <span class="prelude-val">Ok</span>(()) }
}
<span class="kw">impl</span> <span class="ident">AsInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpStream</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">as_inner</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">net_imp</span>::<span class="ident">TcpStream</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span> }
}
<span class="kw">impl</span> <span class="ident">FromInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpStream</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">from_inner</span>(<span class="ident">inner</span>: <span class="ident">net_imp</span>::<span class="ident">TcpStream</span>) <span class="op">-></span> <span class="ident">TcpStream</span> { <span class="ident">TcpStream</span>(<span class="ident">inner</span>) }
}
<span class="kw">impl</span> <span class="ident">IntoInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpStream</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">into_inner</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">net_imp</span>::<span class="ident">TcpStream</span> { <span class="self">self</span>.<span class="number">0</span> }
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">TcpStream</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="kw">impl</span> <span class="ident">TcpListener</span> {
<span class="doccomment">/// Creates a new `TcpListener` which will be bound to the specified</span>
<span class="doccomment">/// address.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The returned listener is ready for accepting connections.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Binding with a port number of 0 will request that the OS assigns a port</span>
<span class="doccomment">/// to this listener. The port allocated can be queried via the</span>
<span class="doccomment">/// [`local_addr`] method.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The address type can be any implementor of [`ToSocketAddrs`] trait. See</span>
<span class="doccomment">/// its documentation for concrete examples.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If `addr` yields multiple addresses, `bind` will be attempted with</span>
<span class="doccomment">/// each of the addresses until one succeeds and returns the listener. If</span>
<span class="doccomment">/// none of the addresses succeed in creating a listener, the error returned</span>
<span class="doccomment">/// from the last attempt (the last address) is returned.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`local_addr`]: #method.local_addr</span>
<span class="doccomment">/// [`ToSocketAddrs`]: ../../std/net/trait.ToSocketAddrs.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Creates a TCP listener bound to `127.0.0.1:80`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Creates a TCP listener bound to `127.0.0.1:80`. If that fails, create a</span>
<span class="doccomment">/// TCP listener bound to `127.0.0.1:443`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{SocketAddr, TcpListener};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let addrs = [</span>
<span class="doccomment">/// SocketAddr::from(([127, 0, 0, 1], 80)),</span>
<span class="doccomment">/// SocketAddr::from(([127, 0, 0, 1], 443)),</span>
<span class="doccomment">/// ];</span>
<span class="doccomment">/// let listener = TcpListener::bind(&addrs[..]).unwrap();</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">bind</span><span class="op"><</span><span class="ident">A</span>: <span class="ident">ToSocketAddrs</span><span class="op">></span>(<span class="ident">addr</span>: <span class="ident">A</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpListener</span><span class="op">></span> {
<span class="kw">super</span>::<span class="ident">each_addr</span>(<span class="ident">addr</span>, <span class="ident">net_imp</span>::<span class="ident">TcpListener</span>::<span class="ident">bind</span>).<span class="ident">map</span>(<span class="ident">TcpListener</span>)
}
<span class="doccomment">/// Returns the local socket address of this listener.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4, TcpListener};</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:8080").unwrap();</span>
<span class="doccomment">/// assert_eq!(listener.local_addr().unwrap(),</span>
<span class="doccomment">/// SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080)));</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">local_addr</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">SocketAddr</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">socket_addr</span>()
}
<span class="doccomment">/// Creates a new independently owned handle to the underlying socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The returned [`TcpListener`] is a reference to the same socket that this</span>
<span class="doccomment">/// object references. Both handles can be used to accept incoming</span>
<span class="doccomment">/// connections and options set on one listener will affect the other.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`TcpListener`]: ../../std/net/struct.TcpListener.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:8080").unwrap();</span>
<span class="doccomment">/// let listener_clone = listener.try_clone().unwrap();</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">try_clone</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpListener</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">duplicate</span>().<span class="ident">map</span>(<span class="ident">TcpListener</span>)
}
<span class="doccomment">/// Accept a new incoming connection from this listener.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This function will block the calling thread until a new TCP connection</span>
<span class="doccomment">/// is established. When established, the corresponding [`TcpStream`] and the</span>
<span class="doccomment">/// remote peer's address will be returned.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`TcpStream`]: ../../std/net/struct.TcpStream.html</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:8080").unwrap();</span>
<span class="doccomment">/// match listener.accept() {</span>
<span class="doccomment">/// Ok((_socket, addr)) => println!("new client: {:?}", addr),</span>
<span class="doccomment">/// Err(e) => println!("couldn't get client: {:?}", e),</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">accept</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">TcpStream</span>, <span class="ident">SocketAddr</span>)<span class="op">></span> {
<span class="comment">// On WASM, `TcpStream` is uninhabited (as it's unsupported) and so</span>
<span class="comment">// the `a` variable here is technically unused.</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>, <span class="ident">allow</span>(<span class="ident">unused_variables</span>))]</span>
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">accept</span>().<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">a</span>, <span class="ident">b</span>)<span class="op">|</span> (<span class="ident">TcpStream</span>(<span class="ident">a</span>), <span class="ident">b</span>))
}
<span class="doccomment">/// Returns an iterator over the connections being received on this</span>
<span class="doccomment">/// listener.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The returned iterator will never return [`None`] and will also not yield</span>
<span class="doccomment">/// the peer's [`SocketAddr`] structure. Iterating over it is equivalent to</span>
<span class="doccomment">/// calling [`accept`] in a loop.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`None`]: ../../std/option/enum.Option.html#variant.None</span>
<span class="doccomment">/// [`SocketAddr`]: ../../std/net/enum.SocketAddr.html</span>
<span class="doccomment">/// [`accept`]: #method.accept</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();</span>
<span class="doccomment">///</span>
<span class="doccomment">/// for stream in listener.incoming() {</span>
<span class="doccomment">/// match stream {</span>
<span class="doccomment">/// Ok(stream) => {</span>
<span class="doccomment">/// println!("new client!");</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// Err(e) => { /* connection failed */ }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">incoming</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">Incoming</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span> {
<span class="ident">Incoming</span> { <span class="ident">listener</span>: <span class="self">self</span> }
}
<span class="doccomment">/// Sets the value for the `IP_TTL` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This value sets the time-to-live field that is used in every packet sent</span>
<span class="doccomment">/// from this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();</span>
<span class="doccomment">/// listener.set_ttl(100).expect("could not set TTL");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_ttl</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">ttl</span>: <span class="ident">u32</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_ttl</span>(<span class="ident">ttl</span>)
}
<span class="doccomment">/// Gets the value of the `IP_TTL` option for this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// For more information about this option, see [`set_ttl`][link].</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [link]: #method.set_ttl</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();</span>
<span class="doccomment">/// listener.set_ttl(100).expect("could not set TTL");</span>
<span class="doccomment">/// assert_eq!(listener.ttl().unwrap_or(0), 100);</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ttl</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">ttl</span>()
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="attribute">#[<span class="ident">rustc_deprecated</span>(<span class="ident">since</span> <span class="op">=</span> <span class="string">"1.16.0"</span>,
<span class="ident">reason</span> <span class="op">=</span> <span class="string">"this option can only be set before the socket is bound"</span>)]</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">missing_docs</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_only_v6</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">only_v6</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_only_v6</span>(<span class="ident">only_v6</span>)
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="attribute">#[<span class="ident">rustc_deprecated</span>(<span class="ident">since</span> <span class="op">=</span> <span class="string">"1.16.0"</span>,
<span class="ident">reason</span> <span class="op">=</span> <span class="string">"this option can only be set before the socket is bound"</span>)]</span>
<span class="attribute">#[<span class="ident">allow</span>(<span class="ident">missing_docs</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">only_v6</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">bool</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">only_v6</span>()
}
<span class="doccomment">/// Gets the value of the `SO_ERROR` option on this socket.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This will retrieve the stored error in the underlying socket, clearing</span>
<span class="doccomment">/// the field in the process. This can be useful for checking errors between</span>
<span class="doccomment">/// calls.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:80").unwrap();</span>
<span class="doccomment">/// listener.take_error().expect("No error was expected");</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">take_error</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">io</span>::<span class="ident">Error</span><span class="op">>></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">take_error</span>()
}
<span class="doccomment">/// Moves this TCP stream into or out of nonblocking mode.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This will result in the `accept` operation becoming nonblocking,</span>
<span class="doccomment">/// i.e., immediately returning from their calls. If the IO operation is</span>
<span class="doccomment">/// successful, `Ok` is returned and no further action is required. If the</span>
<span class="doccomment">/// IO operation could not be completed and needs to be retried, an error</span>
<span class="doccomment">/// with kind [`io::ErrorKind::WouldBlock`] is returned.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// On Unix platforms, calling this method corresponds to calling `fcntl`</span>
<span class="doccomment">/// `FIONBIO`. On Windows calling this method corresponds to calling</span>
<span class="doccomment">/// `ioctlsocket` `FIONBIO`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Examples</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Bind a TCP listener to an address, listen for connections, and read</span>
<span class="doccomment">/// bytes in nonblocking mode:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```no_run</span>
<span class="doccomment">/// use std::io;</span>
<span class="doccomment">/// use std::net::TcpListener;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// let listener = TcpListener::bind("127.0.0.1:7878").unwrap();</span>
<span class="doccomment">/// listener.set_nonblocking(true).expect("Cannot set non-blocking");</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # fn wait_for_fd() { unimplemented!() }</span>
<span class="doccomment">/// # fn handle_connection(stream: std::net::TcpStream) { unimplemented!() }</span>
<span class="doccomment">/// for stream in listener.incoming() {</span>
<span class="doccomment">/// match stream {</span>
<span class="doccomment">/// Ok(s) => {</span>
<span class="doccomment">/// // do something with the TcpStream</span>
<span class="doccomment">/// handle_connection(s);</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// Err(ref e) if e.kind() == io::ErrorKind::WouldBlock => {</span>
<span class="doccomment">/// // wait until network socket is ready, typically implemented</span>
<span class="doccomment">/// // via platform-specific APIs such as epoll or IOCP</span>
<span class="doccomment">/// wait_for_fd();</span>
<span class="doccomment">/// continue;</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// Err(e) => panic!("encountered IO error: {}", e),</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`io::ErrorKind::WouldBlock`]: ../io/enum.ErrorKind.html#variant.WouldBlock</span>
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"net2_mutators"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.9.0"</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_nonblocking</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">nonblocking</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">set_nonblocking</span>(<span class="ident">nonblocking</span>)
}
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">Iterator</span> <span class="kw">for</span> <span class="ident">Incoming</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Item</span> <span class="op">=</span> <span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">></span>;
<span class="kw">fn</span> <span class="ident">next</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">TcpStream</span><span class="op">>></span> {
<span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="ident">listener</span>.<span class="ident">accept</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">p</span><span class="op">|</span> <span class="ident">p</span>.<span class="number">0</span>))
}
}
<span class="kw">impl</span> <span class="ident">AsInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpListener</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpListener</span> {
<span class="kw">fn</span> <span class="ident">as_inner</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">net_imp</span>::<span class="ident">TcpListener</span> { <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span> }
}
<span class="kw">impl</span> <span class="ident">FromInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpListener</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpListener</span> {
<span class="kw">fn</span> <span class="ident">from_inner</span>(<span class="ident">inner</span>: <span class="ident">net_imp</span>::<span class="ident">TcpListener</span>) <span class="op">-></span> <span class="ident">TcpListener</span> {
<span class="ident">TcpListener</span>(<span class="ident">inner</span>)
}
}
<span class="kw">impl</span> <span class="ident">IntoInner</span><span class="op"><</span><span class="ident">net_imp</span>::<span class="ident">TcpListener</span><span class="op">></span> <span class="kw">for</span> <span class="ident">TcpListener</span> {
<span class="kw">fn</span> <span class="ident">into_inner</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">net_imp</span>::<span class="ident">TcpListener</span> { <span class="self">self</span>.<span class="number">0</span> }
}
<span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rust1"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.0.0"</span>)]</span>
<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="kw">for</span> <span class="ident">TcpListener</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) <span class="op">-></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">test</span>, <span class="ident">not</span>(<span class="ident">any</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"cloudabi"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"emscripten"</span>))))]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">fmt</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">io</span>::{<span class="ident">ErrorKind</span>, <span class="ident">IoVec</span>, <span class="ident">IoVecMut</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">io</span>::<span class="ident">prelude</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">net</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">net</span>::<span class="ident">test</span>::{<span class="ident">next_test_ip4</span>, <span class="ident">next_test_ip6</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sync</span>::<span class="ident">mpsc</span>::<span class="ident">channel</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">time</span>::{<span class="ident">Instant</span>, <span class="ident">Duration</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">thread</span>;
<span class="kw">fn</span> <span class="ident">each_ip</span>(<span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="kw">dyn</span> <span class="ident">FnMut</span>(<span class="ident">SocketAddr</span>)) {
<span class="ident">f</span>(<span class="ident">next_test_ip4</span>());
<span class="ident">f</span>(<span class="ident">next_test_ip6</span>());
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">t</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">e</span>:<span class="ident">expr</span>) <span class="op">=></span> {
<span class="kw">match</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">e</span> {
<span class="prelude-val">Ok</span>(<span class="ident">t</span>) <span class="op">=></span> <span class="ident">t</span>,
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"received error for `{}`: {}"</span>, <span class="macro">stringify</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">e</span>), <span class="ident">e</span>),
}
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">bind_error</span>() {
<span class="kw">match</span> <span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="string">"1.1.1.1:9999"</span>) {
<span class="prelude-val">Ok</span>(..) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(),
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span>
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">kind</span>(), <span class="ident">ErrorKind</span>::<span class="ident">AddrNotAvailable</span>),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">connect_error</span>() {
<span class="kw">match</span> <span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="string">"0.0.0.0:1"</span>) {
<span class="prelude-val">Ok</span>(..) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(),
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">ConnectionRefused</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">InvalidInput</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">AddrInUse</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">AddrNotAvailable</span>,
<span class="string">"bad error: {} {:?}"</span>, <span class="ident">e</span>, <span class="ident">e</span>.<span class="ident">kind</span>()),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">listen_localhost</span>() {
<span class="kw">let</span> <span class="ident">socket_addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">socket_addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span> <span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>,
<span class="ident">socket_addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">144</span>]));
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="op">==</span> <span class="number">144</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">connect_loopback</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="ident">host</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">addr</span> {
<span class="ident">SocketAddr</span>::<span class="ident">V4</span>(..) <span class="op">=></span> <span class="string">"127.0.0.1"</span>,
<span class="ident">SocketAddr</span>::<span class="ident">V6</span>(..) <span class="op">=></span> <span class="string">"::1"</span>,
};
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="ident">host</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">66</span>]));
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="op">==</span> <span class="number">66</span>);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">smoke_test</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">99</span>]));
<span class="ident">tx</span>.<span class="ident">send</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">local_addr</span>())).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> (<span class="kw-2">mut</span> <span class="ident">stream</span>, <span class="ident">addr</span>) <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>());
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="op">==</span> <span class="number">99</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">addr</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">rx</span>.<span class="ident">recv</span>()));
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">read_eof</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="ident">_stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="comment">// Close</span>
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="kw">let</span> <span class="ident">nread</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">nread</span>, <span class="number">0</span>);
<span class="kw">let</span> <span class="ident">nread</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">nread</span>, <span class="number">0</span>);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">write_close</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="ident">drop</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>)));
<span class="ident">tx</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="kw">match</span> <span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span><span class="ident">buf</span>) {
<span class="prelude-val">Ok</span>(..) <span class="op">=></span> {}
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">ConnectionReset</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">BrokenPipe</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">ConnectionAborted</span>,
<span class="string">"unknown error: {}"</span>, <span class="ident">e</span>);
}
}
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">multiple_connect_serial</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">max</span> <span class="op">=</span> <span class="number">10</span>;
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="ident">max</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">99</span>]));
}
});
<span class="kw">for</span> <span class="ident">stream</span> <span class="kw">in</span> <span class="ident">acceptor</span>.<span class="ident">incoming</span>().<span class="ident">take</span>(<span class="ident">max</span>) {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>], <span class="number">99</span>);
}
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">multiple_connect_interleaved_greedy_schedule</span>() {
<span class="kw">const</span> <span class="ident">MAX</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">10</span>;
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="ident">acceptor</span>;
<span class="kw">for</span> (<span class="ident">i</span>, <span class="ident">stream</span>) <span class="kw">in</span> <span class="ident">acceptor</span>.<span class="ident">incoming</span>().<span class="ident">enumerate</span>().<span class="ident">take</span>(<span class="ident">MAX</span>) {
<span class="comment">// Start another thread to handle the connection</span>
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="op">==</span> <span class="ident">i</span> <span class="kw">as</span> <span class="ident">u8</span>);
});
}
});
<span class="ident">connect</span>(<span class="number">0</span>, <span class="ident">addr</span>);
});
<span class="kw">fn</span> <span class="ident">connect</span>(<span class="ident">i</span>: <span class="ident">usize</span>, <span class="ident">addr</span>: <span class="ident">SocketAddr</span>) {
<span class="kw">if</span> <span class="ident">i</span> <span class="op">==</span> <span class="ident">MAX</span> { <span class="kw">return</span> }
<span class="kw">let</span> <span class="ident">t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="comment">// Connect again before writing</span>
<span class="ident">connect</span>(<span class="ident">i</span> <span class="op">+</span> <span class="number">1</span>, <span class="ident">addr</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="ident">i</span> <span class="kw">as</span> <span class="ident">u8</span>]));
});
<span class="ident">t</span>.<span class="ident">join</span>().<span class="ident">ok</span>().<span class="ident">expect</span>(<span class="string">"thread panicked"</span>);
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">multiple_connect_interleaved_lazy_schedule</span>() {
<span class="kw">const</span> <span class="ident">MAX</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">10</span>;
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">for</span> <span class="ident">stream</span> <span class="kw">in</span> <span class="ident">acceptor</span>.<span class="ident">incoming</span>().<span class="ident">take</span>(<span class="ident">MAX</span>) {
<span class="comment">// Start another thread to handle the connection</span>
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>] <span class="op">==</span> <span class="number">99</span>);
});
}
});
<span class="ident">connect</span>(<span class="number">0</span>, <span class="ident">addr</span>);
});
<span class="kw">fn</span> <span class="ident">connect</span>(<span class="ident">i</span>: <span class="ident">usize</span>, <span class="ident">addr</span>: <span class="ident">SocketAddr</span>) {
<span class="kw">if</span> <span class="ident">i</span> <span class="op">==</span> <span class="ident">MAX</span> { <span class="kw">return</span> }
<span class="kw">let</span> <span class="ident">t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="ident">connect</span>(<span class="ident">i</span> <span class="op">+</span> <span class="number">1</span>, <span class="ident">addr</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">99</span>]));
});
<span class="ident">t</span>.<span class="ident">join</span>().<span class="ident">ok</span>().<span class="ident">expect</span>(<span class="string">"thread panicked"</span>);
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">socket_and_peer_name</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">so_name</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">local_addr</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">addr</span>, <span class="ident">so_name</span>);
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">accept</span>());
});
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">addr</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">peer_addr</span>()));
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">partial_read</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">srv</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cl</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">srv</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="ident">cl</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">10</span>]).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">cl</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>));
<span class="ident">tx</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">10</span>];
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">c</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>(), <span class="number">1</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">c</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]));
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">read_vectored</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">srv</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">srv</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">s1</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>]).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">len</span>, <span class="number">3</span>);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">a</span> <span class="op">=</span> [];
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">3</span>];
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">read_vectored</span>(
<span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">IoVecMut</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">a</span>), <span class="ident">IoVecMut</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>), <span class="ident">IoVecMut</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">c</span>)],
));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">len</span> <span class="op">></span> <span class="number">0</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">b</span>, [<span class="number">10</span>]);
<span class="comment">// some implementations don't support readv, so we may only fill the first buffer</span>
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">len</span> <span class="op">==</span> <span class="number">1</span> <span class="op">||</span> <span class="ident">c</span> <span class="op">==</span> [<span class="number">11</span>, <span class="number">12</span>, <span class="number">0</span>]);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">write_vectored</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">srv</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">srv</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> [];
<span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">10</span>];
<span class="kw">let</span> <span class="ident">c</span> <span class="op">=</span> [<span class="number">11</span>, <span class="number">12</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">write_vectored</span>(<span class="kw-2">&</span>[<span class="ident">IoVec</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">a</span>), <span class="ident">IoVec</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">b</span>), <span class="ident">IoVec</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">c</span>)]));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">4</span>];
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="comment">// some implementations don't support writev, so we may only write the first buffer</span>
<span class="kw">if</span> <span class="ident">len</span> <span class="op">==</span> <span class="number">1</span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">buf</span>, [<span class="number">10</span>, <span class="number">0</span>, <span class="number">0</span>, <span class="number">0</span>]);
} <span class="kw">else</span> {
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">len</span>, <span class="number">3</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">buf</span>, [<span class="number">10</span>, <span class="number">11</span>, <span class="number">12</span>, <span class="number">0</span>]);
}
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">double_bind</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">listener1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">match</span> <span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>) {
<span class="prelude-val">Ok</span>(<span class="ident">listener2</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(
<span class="string">"This system (perhaps due to options set by TcpListener::bind) \
permits double binding: {:?} and {:?}"</span>,
<span class="ident">listener1</span>, <span class="ident">listener2</span>
),
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">ConnectionRefused</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">Other</span> <span class="op">||</span>
<span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">AddrInUse</span>,
<span class="string">"unknown error: {} {:?}"</span>, <span class="ident">e</span>, <span class="ident">e</span>.<span class="ident">kind</span>());
}
}
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">fast_rebind</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
});
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>());
<span class="ident">drop</span>(<span class="ident">acceptor</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
});
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">tcp_clone_smoke</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">0</span>];
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>).<span class="ident">unwrap</span>(), <span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">buf</span>[<span class="number">0</span>], <span class="number">1</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">2</span>]));
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> (<span class="ident">tx1</span>, <span class="ident">rx1</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> (<span class="ident">tx2</span>, <span class="ident">rx2</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="ident">s2</span>;
<span class="ident">rx1</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]));
<span class="ident">tx2</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="ident">tx1</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">0</span>];
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>).<span class="ident">unwrap</span>(), <span class="number">1</span>);
<span class="ident">rx2</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">tcp_clone_two_read</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> (<span class="ident">tx1</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">tx2</span> <span class="op">=</span> <span class="ident">tx1</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]));
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">2</span>]));
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> (<span class="ident">done</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="ident">s2</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="ident">tx2</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
<span class="ident">done</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">0</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="ident">tx1</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">tcp_clone_two_write</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">acceptor</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">1</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s1</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">acceptor</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> (<span class="ident">done</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="ident">s2</span>;
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]));
<span class="ident">done</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s1</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">2</span>]));
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/110</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span>
<span class="kw">fn</span> <span class="ident">shutdown_smoke</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">c</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>(), <span class="number">0</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">c</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]));
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Write</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>]).<span class="ident">is_err</span>());
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>, <span class="number">0</span>];
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>)), <span class="number">1</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">b</span>[<span class="number">0</span>], <span class="number">1</span>);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/110</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span>
<span class="kw">fn</span> <span class="ident">close_readwrite_smoke</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>::<span class="op"><</span>()<span class="op">></span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="ident">_s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">accept</span>());
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">rx</span>.<span class="ident">recv</span>();
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">try_clone</span>());
<span class="comment">// closing should prevent reads/writes</span>
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Write</span>));
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">0</span>]).<span class="ident">is_err</span>());
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Read</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>(), <span class="number">0</span>);
<span class="comment">// closing should affect previous handles</span>
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">0</span>]).<span class="ident">is_err</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>(), <span class="number">0</span>);
<span class="comment">// closing should affect new handles</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s3</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">try_clone</span>());
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">s3</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">0</span>]).<span class="ident">is_err</span>());
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">s3</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>(), <span class="number">0</span>);
<span class="comment">// make sure these don't die</span>
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">s2</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Read</span>);
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">s2</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Write</span>);
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">s3</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Read</span>);
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">s3</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Write</span>);
<span class="ident">drop</span>(<span class="ident">tx</span>);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span> <span class="comment">// test doesn't work on Windows, see #31657</span>
<span class="kw">fn</span> <span class="ident">close_read_wakes_up</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> (<span class="ident">tx1</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>::<span class="op"><</span>()<span class="op">></span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="ident">_s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">accept</span>());
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">rx</span>.<span class="ident">recv</span>();
});
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">s2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s2</span> <span class="op">=</span> <span class="ident">s2</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s2</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="number">0</span>])), <span class="number">0</span>);
<span class="ident">tx</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="comment">// this should wake up the child thread</span>
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">shutdown</span>(<span class="ident">Shutdown</span>::<span class="ident">Read</span>));
<span class="comment">// this test will never finish if the child doesn't wake up</span>
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="ident">drop</span>(<span class="ident">tx1</span>);
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">clone_while_reading</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">accept</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="comment">// Enqueue a thread to write to a socket</span>
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> (<span class="ident">txdone</span>, <span class="ident">rxdone</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">txdone2</span> <span class="op">=</span> <span class="ident">txdone</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tcp</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">tcp</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">0</span>]));
<span class="ident">txdone2</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="comment">// Spawn off a reading clone</span>
<span class="kw">let</span> <span class="ident">tcp</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">accept</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="kw">let</span> <span class="ident">tcp2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">tcp</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> <span class="ident">txdone3</span> <span class="op">=</span> <span class="ident">txdone</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">tcp2</span> <span class="op">=</span> <span class="ident">tcp2</span>;
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">tcp2</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="number">0</span>]));
<span class="ident">txdone3</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
});
<span class="comment">// Try to ensure that the reading clone is indeed reading</span>
<span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">0</span>..<span class="number">50</span> {
<span class="ident">thread</span>::<span class="ident">yield_now</span>();
}
<span class="comment">// clone the handle again while it's reading, then let it finish the</span>
<span class="comment">// read.</span>
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">tcp</span>.<span class="ident">try_clone</span>());
<span class="ident">tx</span>.<span class="ident">send</span>(()).<span class="ident">unwrap</span>();
<span class="ident">rxdone</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="ident">rxdone</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">clone_accept_smoke</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">a2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>);
});
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>);
});
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">accept</span>());
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">a2</span>.<span class="ident">accept</span>());
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">clone_accept_concurrent</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">a2</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">try_clone</span>());
<span class="kw">let</span> (<span class="ident">tx</span>, <span class="ident">rx</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">tx2</span> <span class="op">=</span> <span class="ident">tx</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="ident">tx</span>.<span class="ident">send</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">a</span>.<span class="ident">accept</span>())).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="ident">tx2</span>.<span class="ident">send</span>(<span class="macro">t</span><span class="macro">!</span>(<span class="ident">a2</span>.<span class="ident">accept</span>())).<span class="ident">unwrap</span>();
});
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>);
});
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw">_</span> <span class="op">=</span> <span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>);
});
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
<span class="ident">rx</span>.<span class="ident">recv</span>().<span class="ident">unwrap</span>();
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">debug</span>() {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>))]</span>
<span class="kw">fn</span> <span class="ident">render_socket_addr</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>(<span class="ident">addr</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">SocketAddr</span>) <span class="op">-></span> <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="lifetime">'a</span> {
<span class="ident">addr</span>
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>)]</span>
<span class="kw">fn</span> <span class="ident">render_socket_addr</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>(<span class="ident">addr</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">SocketAddr</span>) <span class="op">-></span> <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> <span class="op">+</span> <span class="lifetime">'a</span> {
<span class="ident">addr</span>.<span class="ident">to_string</span>()
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span>
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">os</span>::<span class="ident">unix</span>::<span class="ident">io</span>::<span class="ident">AsRawFd</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>)]</span>
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">os</span>::<span class="ident">fortanix_sgx</span>::<span class="ident">io</span>::<span class="ident">AsRawFd</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">windows</span>))]</span>
<span class="kw">fn</span> <span class="ident">render_inner</span>(<span class="ident">addr</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="ident">AsRawFd</span>) <span class="op">-></span> <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> {
<span class="ident">addr</span>.<span class="ident">as_raw_fd</span>()
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">windows</span>)]</span>
<span class="kw">fn</span> <span class="ident">render_inner</span>(<span class="ident">addr</span>: <span class="kw-2">&</span><span class="kw">dyn</span> <span class="kw">crate</span>::<span class="ident">os</span>::<span class="ident">windows</span>::<span class="ident">io</span>::<span class="ident">AsRawSocket</span>) <span class="op">-></span> <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Debug</span> {
<span class="ident">addr</span>.<span class="ident">as_raw_socket</span>()
}
<span class="kw">let</span> <span class="ident">inner_name</span> <span class="op">=</span> <span class="kw">if</span> <span class="macro">cfg</span><span class="macro">!</span>(<span class="ident">windows</span>) {<span class="string">"socket"</span>} <span class="kw">else</span> {<span class="string">"fd"</span>};
<span class="kw">let</span> <span class="ident">socket_addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">socket_addr</span>));
<span class="kw">let</span> <span class="ident">compare</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"TcpListener {{ addr: {:?}, {}: {:?} }}"</span>,
<span class="ident">render_socket_addr</span>(<span class="kw-2">&</span><span class="ident">socket_addr</span>),
<span class="ident">inner_name</span>,
<span class="ident">render_inner</span>(<span class="kw-2">&</span><span class="ident">listener</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">listener</span>), <span class="ident">compare</span>);
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">socket_addr</span>.<span class="ident">port</span>())));
<span class="kw">let</span> <span class="ident">compare</span> <span class="op">=</span> <span class="macro">format</span><span class="macro">!</span>(<span class="string">"TcpStream {{ addr: {:?}, peer: {:?}, {}: {:?} }}"</span>,
<span class="ident">render_socket_addr</span>(<span class="kw-2">&</span><span class="ident">stream</span>.<span class="ident">local_addr</span>().<span class="ident">unwrap</span>()),
<span class="ident">render_socket_addr</span>(<span class="kw-2">&</span><span class="ident">stream</span>.<span class="ident">peer_addr</span>().<span class="ident">unwrap</span>()),
<span class="ident">inner_name</span>,
<span class="ident">render_inner</span>(<span class="kw-2">&</span><span class="ident">stream</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">stream</span>), <span class="ident">compare</span>);
}
<span class="comment">// FIXME: re-enabled bitrig/openbsd tests once their socket timeout code</span>
<span class="comment">// no longer has rounding errors.</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">any</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"bitrig"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"netbsd"</span>, <span class="ident">target_os</span> <span class="op">=</span> <span class="string">"openbsd"</span>), <span class="ident">ignore</span>)]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span> <span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/31</span>
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">timeouts</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="kw">let</span> <span class="ident">dur</span> <span class="op">=</span> <span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">15410</span>, <span class="number">0</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read_timeout</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_read_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">dur</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="ident">dur</span>), <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read_timeout</span>()));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write_timeout</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_write_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">dur</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">Some</span>(<span class="ident">dur</span>), <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write_timeout</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_read_timeout</span>(<span class="prelude-val">None</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read_timeout</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_write_timeout</span>(<span class="prelude-val">None</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="prelude-val">None</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">write_timeout</span>()));
<span class="ident">drop</span>(<span class="ident">listener</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span> <span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/31</span>
<span class="kw">fn</span> <span class="ident">test_read_timeout</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_read_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">1000</span>))));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">10</span>];
<span class="kw">let</span> <span class="ident">start</span> <span class="op">=</span> <span class="ident">Instant</span>::<span class="ident">now</span>();
<span class="kw">let</span> <span class="ident">kind</span> <span class="op">=</span> <span class="ident">stream</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>).<span class="ident">err</span>().<span class="ident">expect</span>(<span class="string">"expected error"</span>).<span class="ident">kind</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">kind</span> <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> <span class="op">||</span> <span class="ident">kind</span> <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">TimedOut</span>,
<span class="string">"unexpected_error: {:?}"</span>, <span class="ident">kind</span>);
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">start</span>.<span class="ident">elapsed</span>() <span class="op">></span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">400</span>));
<span class="ident">drop</span>(<span class="ident">listener</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span> <span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/31</span>
<span class="kw">fn</span> <span class="ident">test_read_with_timeout</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_read_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">1000</span>))));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">other_end</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">other_end</span>.<span class="ident">write_all</span>(<span class="string">b"hello world"</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">11</span>];
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">b"hello world"</span>, <span class="kw-2">&</span><span class="ident">buf</span>[..]);
<span class="kw">let</span> <span class="ident">start</span> <span class="op">=</span> <span class="ident">Instant</span>::<span class="ident">now</span>();
<span class="kw">let</span> <span class="ident">kind</span> <span class="op">=</span> <span class="ident">stream</span>.<span class="ident">read_exact</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>).<span class="ident">err</span>().<span class="ident">expect</span>(<span class="string">"expected error"</span>).<span class="ident">kind</span>();
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">kind</span> <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> <span class="op">||</span> <span class="ident">kind</span> <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">TimedOut</span>,
<span class="string">"unexpected_error: {:?}"</span>, <span class="ident">kind</span>);
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">start</span>.<span class="ident">elapsed</span>() <span class="op">></span> <span class="ident">Duration</span>::<span class="ident">from_millis</span>(<span class="number">400</span>));
<span class="ident">drop</span>(<span class="ident">listener</span>);
}
<span class="comment">// Ensure the `set_read_timeout` and `set_write_timeout` calls return errors</span>
<span class="comment">// when passed zero Durations</span>
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">test_timeout_zero_duration</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">stream</span>.<span class="ident">set_write_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">0</span>)));
<span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">result</span>.<span class="ident">unwrap_err</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">err</span>.<span class="ident">kind</span>(), <span class="ident">ErrorKind</span>::<span class="ident">InvalidInput</span>);
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">stream</span>.<span class="ident">set_read_timeout</span>(<span class="prelude-val">Some</span>(<span class="ident">Duration</span>::<span class="ident">new</span>(<span class="number">0</span>, <span class="number">0</span>)));
<span class="kw">let</span> <span class="ident">err</span> <span class="op">=</span> <span class="ident">result</span>.<span class="ident">unwrap_err</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">err</span>.<span class="ident">kind</span>(), <span class="ident">ErrorKind</span>::<span class="ident">InvalidInput</span>);
<span class="ident">drop</span>(<span class="ident">listener</span>);
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span>
<span class="kw">fn</span> <span class="ident">nodelay</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">_listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="bool-val">false</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">nodelay</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_nodelay</span>(<span class="bool-val">true</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="bool-val">true</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">nodelay</span>()));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_nodelay</span>(<span class="bool-val">false</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="bool-val">false</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">nodelay</span>()));
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span>
<span class="kw">fn</span> <span class="ident">ttl</span>() {
<span class="kw">let</span> <span class="ident">ttl</span> <span class="op">=</span> <span class="number">100</span>;
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">set_ttl</span>(<span class="ident">ttl</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">ttl</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">ttl</span>()));
<span class="kw">let</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_ttl</span>(<span class="ident">ttl</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">ttl</span>, <span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">ttl</span>()));
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span>
<span class="kw">fn</span> <span class="ident">set_nonblocking</span>() {
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">next_test_ip4</span>();
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">set_nonblocking</span>(<span class="bool-val">true</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">listener</span>.<span class="ident">set_nonblocking</span>(<span class="bool-val">false</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">stream</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span>(<span class="string">"localhost"</span>, <span class="ident">addr</span>.<span class="ident">port</span>())));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_nonblocking</span>(<span class="bool-val">false</span>));
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">stream</span>.<span class="ident">set_nonblocking</span>(<span class="bool-val">true</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buf</span> <span class="op">=</span> [<span class="number">0</span>];
<span class="kw">match</span> <span class="ident">stream</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">buf</span>) {
<span class="prelude-val">Ok</span>(<span class="kw">_</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"expected error"</span>),
<span class="prelude-val">Err</span>(<span class="kw-2">ref</span> <span class="ident">e</span>) <span class="kw">if</span> <span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> <span class="op">=></span> {}
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"unexpected error {}"</span>, <span class="ident">e</span>),
}
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span> <span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/31</span>
<span class="kw">fn</span> <span class="ident">peek</span>() {
<span class="ident">each_ip</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="op">|</span><span class="ident">addr</span><span class="op">|</span> {
<span class="kw">let</span> (<span class="ident">txdone</span>, <span class="ident">rxdone</span>) <span class="op">=</span> <span class="ident">channel</span>();
<span class="kw">let</span> <span class="ident">srv</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="ident">_t</span> <span class="op">=</span> <span class="ident">thread</span>::<span class="ident">spawn</span>(<span class="kw">move</span><span class="op">||</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cl</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">srv</span>.<span class="ident">accept</span>()).<span class="number">0</span>;
<span class="ident">cl</span>.<span class="ident">write</span>(<span class="kw-2">&</span>[<span class="number">1</span>,<span class="number">3</span>,<span class="number">3</span>,<span class="number">7</span>]).<span class="ident">unwrap</span>();
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">rxdone</span>.<span class="ident">recv</span>());
});
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> <span class="macro">t</span><span class="macro">!</span>(<span class="ident">TcpStream</span>::<span class="ident">connect</span>(<span class="kw-2">&</span><span class="ident">addr</span>));
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">b</span> <span class="op">=</span> [<span class="number">0</span>; <span class="number">10</span>];
<span class="kw">for</span> <span class="kw">_</span> <span class="kw">in</span> <span class="number">1</span>..<span class="number">3</span> {
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">c</span>.<span class="ident">peek</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">len</span>, <span class="number">4</span>);
}
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">c</span>.<span class="ident">read</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>).<span class="ident">unwrap</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">len</span>, <span class="number">4</span>);
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">c</span>.<span class="ident">set_nonblocking</span>(<span class="bool-val">true</span>));
<span class="kw">match</span> <span class="ident">c</span>.<span class="ident">peek</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">b</span>) {
<span class="prelude-val">Ok</span>(<span class="kw">_</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"expected error"</span>),
<span class="prelude-val">Err</span>(<span class="kw-2">ref</span> <span class="ident">e</span>) <span class="kw">if</span> <span class="ident">e</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">ErrorKind</span>::<span class="ident">WouldBlock</span> <span class="op">=></span> {}
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=></span> <span class="macro">panic</span><span class="macro">!</span>(<span class="string">"unexpected error {}"</span>, <span class="ident">e</span>),
}
<span class="macro">t</span><span class="macro">!</span>(<span class="ident">txdone</span>.<span class="ident">send</span>(()));
})
}
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_env</span> <span class="op">=</span> <span class="string">"sgx"</span>, <span class="ident">ignore</span>)]</span> <span class="comment">// FIXME: https://github.com/fortanix/rust-sgx/issues/31</span>
<span class="kw">fn</span> <span class="ident">connect_timeout_valid</span>() {
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="string">"127.0.0.1:0"</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">addr</span> <span class="op">=</span> <span class="ident">listener</span>.<span class="ident">local_addr</span>().<span class="ident">unwrap</span>();
<span class="ident">TcpStream</span>::<span class="ident">connect_timeout</span>(<span class="kw-2">&</span><span class="ident">addr</span>, <span class="ident">Duration</span>::<span class="ident">from_secs</span>(<span class="number">2</span>)).<span class="ident">unwrap</span>();
}
}
</pre></div>
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