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Diffstat (limited to 'ctr-std/src/net/addr.rs')
| -rw-r--r-- | ctr-std/src/net/addr.rs | 1077 |
1 files changed, 0 insertions, 1077 deletions
diff --git a/ctr-std/src/net/addr.rs b/ctr-std/src/net/addr.rs deleted file mode 100644 index e80c3ee..0000000 --- a/ctr-std/src/net/addr.rs +++ /dev/null @@ -1,1077 +0,0 @@ -// Copyright 2015 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -use fmt; -use hash; -use io; -use mem; -use net::{ntoh, hton, IpAddr, Ipv4Addr, Ipv6Addr}; -use option; -use sys::net::netc as c; -use sys_common::{FromInner, AsInner, IntoInner}; -use sys_common::net::lookup_host; -use vec; -use iter; -use slice; - -/// An internet socket address, either IPv4 or IPv6. -/// -/// Internet socket addresses consist of an [IP address], a 16-bit port number, as well -/// as possibly some version-dependent additional information. See [`SocketAddrV4`]'s and -/// [`SocketAddrV6`]'s respective documentation for more details. -/// -/// The size of a `SocketAddr` instance may vary depending on the target operating -/// system. -/// -/// [IP address]: ../../std/net/enum.IpAddr.html -/// [`SocketAddrV4`]: ../../std/net/struct.SocketAddrV4.html -/// [`SocketAddrV6`]: ../../std/net/struct.SocketAddrV6.html -/// -/// # Examples -/// -/// ``` -/// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; -/// -/// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); -/// -/// assert_eq!("127.0.0.1:8080".parse(), Ok(socket)); -/// assert_eq!(socket.port(), 8080); -/// assert_eq!(socket.is_ipv4(), true); -/// ``` -#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)] -#[stable(feature = "rust1", since = "1.0.0")] -pub enum SocketAddr { - /// An IPv4 socket address. - #[stable(feature = "rust1", since = "1.0.0")] - V4(#[stable(feature = "rust1", since = "1.0.0")] SocketAddrV4), - /// An IPv6 socket address. - #[stable(feature = "rust1", since = "1.0.0")] - V6(#[stable(feature = "rust1", since = "1.0.0")] SocketAddrV6), -} - -/// An IPv4 socket address. -/// -/// IPv4 socket addresses consist of an [IPv4 address] and a 16-bit port number, as -/// stated in [IETF RFC 793]. -/// -/// See [`SocketAddr`] for a type encompassing both IPv4 and IPv6 socket addresses. -/// -/// The size of a `SocketAddrV4` struct may vary depending on the target operating -/// system. -/// -/// [IETF RFC 793]: https://tools.ietf.org/html/rfc793 -/// [IPv4 address]: ../../std/net/struct.Ipv4Addr.html -/// [`SocketAddr`]: ../../std/net/enum.SocketAddr.html -/// -/// # Examples -/// -/// ``` -/// use std::net::{Ipv4Addr, SocketAddrV4}; -/// -/// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); -/// -/// assert_eq!("127.0.0.1:8080".parse(), Ok(socket)); -/// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); -/// assert_eq!(socket.port(), 8080); -/// ``` -#[derive(Copy)] -#[stable(feature = "rust1", since = "1.0.0")] -pub struct SocketAddrV4 { inner: c::sockaddr_in } - -/// An IPv6 socket address. -/// -/// IPv6 socket addresses consist of an [Ipv6 address], a 16-bit port number, as well -/// as fields containing the traffic class, the flow label, and a scope identifier -/// (see [IETF RFC 2553, Section 3.3] for more details). -/// -/// See [`SocketAddr`] for a type encompassing both IPv4 and IPv6 socket addresses. -/// -/// The size of a `SocketAddrV6` struct may vary depending on the target operating -/// system. -/// -/// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 -/// [IPv6 address]: ../../std/net/struct.Ipv6Addr.html -/// [`SocketAddr`]: ../../std/net/enum.SocketAddr.html -/// -/// # Examples -/// -/// ``` -/// use std::net::{Ipv6Addr, SocketAddrV6}; -/// -/// let socket = SocketAddrV6::new(Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 1), 8080, 0, 0); -/// -/// assert_eq!("[2001:db8::1]:8080".parse(), Ok(socket)); -/// assert_eq!(socket.ip(), &Ipv6Addr::new(0x2001, 0xdb8, 0, 0, 0, 0, 0, 1)); -/// assert_eq!(socket.port(), 8080); -/// ``` -#[derive(Copy)] -#[stable(feature = "rust1", since = "1.0.0")] -pub struct SocketAddrV6 { inner: c::sockaddr_in6 } - -impl SocketAddr { - /// Creates a new socket address from an [IP address] and a port number. - /// - /// [IP address]: ../../std/net/enum.IpAddr.html - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); - /// assert_eq!(socket.port(), 8080); - /// ``` - #[stable(feature = "ip_addr", since = "1.7.0")] - pub fn new(ip: IpAddr, port: u16) -> SocketAddr { - match ip { - IpAddr::V4(a) => SocketAddr::V4(SocketAddrV4::new(a, port)), - IpAddr::V6(a) => SocketAddr::V6(SocketAddrV6::new(a, port, 0, 0)), - } - } - - /// Returns the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1))); - /// ``` - #[stable(feature = "ip_addr", since = "1.7.0")] - pub fn ip(&self) -> IpAddr { - match *self { - SocketAddr::V4(ref a) => IpAddr::V4(*a.ip()), - SocketAddr::V6(ref a) => IpAddr::V6(*a.ip()), - } - } - - /// Changes the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// let mut socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// socket.set_ip(IpAddr::V4(Ipv4Addr::new(10, 10, 0, 1))); - /// assert_eq!(socket.ip(), IpAddr::V4(Ipv4Addr::new(10, 10, 0, 1))); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_ip(&mut self, new_ip: IpAddr) { - // `match (*self, new_ip)` would have us mutate a copy of self only to throw it away. - match (self, new_ip) { - (&mut SocketAddr::V4(ref mut a), IpAddr::V4(new_ip)) => a.set_ip(new_ip), - (&mut SocketAddr::V6(ref mut a), IpAddr::V6(new_ip)) => a.set_ip(new_ip), - (self_, new_ip) => *self_ = Self::new(new_ip, self_.port()), - } - } - - /// Returns the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// assert_eq!(socket.port(), 8080); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { - match *self { - SocketAddr::V4(ref a) => a.port(), - SocketAddr::V6(ref a) => a.port(), - } - } - - /// Changes the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// let mut socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// socket.set_port(1025); - /// assert_eq!(socket.port(), 1025); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_port(&mut self, new_port: u16) { - match *self { - SocketAddr::V4(ref mut a) => a.set_port(new_port), - SocketAddr::V6(ref mut a) => a.set_port(new_port), - } - } - - /// Returns [`true`] if the [IP address] in this `SocketAddr` is an - /// [IPv4 address], and [`false`] otherwise. - /// - /// [`true`]: ../../std/primitive.bool.html - /// [`false`]: ../../std/primitive.bool.html - /// [IP address]: ../../std/net/enum.IpAddr.html - /// [IPv4 address]: ../../std/net/enum.IpAddr.html#variant.V4 - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv4Addr, SocketAddr}; - /// - /// fn main() { - /// let socket = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); - /// assert_eq!(socket.is_ipv4(), true); - /// assert_eq!(socket.is_ipv6(), false); - /// } - /// ``` - #[stable(feature = "sockaddr_checker", since = "1.16.0")] - pub fn is_ipv4(&self) -> bool { - match *self { - SocketAddr::V4(_) => true, - SocketAddr::V6(_) => false, - } - } - - /// Returns [`true`] if the [IP address] in this `SocketAddr` is an - /// [IPv6 address], and [`false`] otherwise. - /// - /// [`true`]: ../../std/primitive.bool.html - /// [`false`]: ../../std/primitive.bool.html - /// [IP address]: ../../std/net/enum.IpAddr.html - /// [IPv6 address]: ../../std/net/enum.IpAddr.html#variant.V6 - /// - /// # Examples - /// - /// ``` - /// use std::net::{IpAddr, Ipv6Addr, SocketAddr}; - /// - /// fn main() { - /// let socket = SocketAddr::new( - /// IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 65535, 0, 1)), 8080); - /// assert_eq!(socket.is_ipv4(), false); - /// assert_eq!(socket.is_ipv6(), true); - /// } - /// ``` - #[stable(feature = "sockaddr_checker", since = "1.16.0")] - pub fn is_ipv6(&self) -> bool { - match *self { - SocketAddr::V4(_) => false, - SocketAddr::V6(_) => true, - } - } -} - -impl SocketAddrV4 { - /// Creates a new socket address from an [IPv4 address] and a port number. - /// - /// [IPv4 address]: ../../std/net/struct.Ipv4Addr.html - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV4, Ipv4Addr}; - /// - /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn new(ip: Ipv4Addr, port: u16) -> SocketAddrV4 { - SocketAddrV4 { - inner: c::sockaddr_in { - sin_family: c::AF_INET as c::sa_family_t, - sin_port: hton(port), - sin_addr: *ip.as_inner(), - .. unsafe { mem::zeroed() } - }, - } - } - - /// Returns the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV4, Ipv4Addr}; - /// - /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); - /// assert_eq!(socket.ip(), &Ipv4Addr::new(127, 0, 0, 1)); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn ip(&self) -> &Ipv4Addr { - unsafe { - &*(&self.inner.sin_addr as *const c::in_addr as *const Ipv4Addr) - } - } - - /// Changes the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV4, Ipv4Addr}; - /// - /// let mut socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); - /// socket.set_ip(Ipv4Addr::new(192, 168, 0, 1)); - /// assert_eq!(socket.ip(), &Ipv4Addr::new(192, 168, 0, 1)); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_ip(&mut self, new_ip: Ipv4Addr) { - self.inner.sin_addr = *new_ip.as_inner() - } - - /// Returns the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV4, Ipv4Addr}; - /// - /// let socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); - /// assert_eq!(socket.port(), 8080); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { - ntoh(self.inner.sin_port) - } - - /// Changes the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV4, Ipv4Addr}; - /// - /// let mut socket = SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), 8080); - /// socket.set_port(4242); - /// assert_eq!(socket.port(), 4242); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_port(&mut self, new_port: u16) { - self.inner.sin_port = hton(new_port); - } -} - -impl SocketAddrV6 { - /// Creates a new socket address from an [IPv6 address], a 16-bit port number, - /// and the `flowinfo` and `scope_id` fields. - /// - /// For more information on the meaning and layout of the `flowinfo` and `scope_id` - /// parameters, see [IETF RFC 2553, Section 3.3]. - /// - /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 - /// [IPv6 address]: ../../std/net/struct.Ipv6Addr.html - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn new(ip: Ipv6Addr, port: u16, flowinfo: u32, scope_id: u32) - -> SocketAddrV6 { - SocketAddrV6 { - inner: c::sockaddr_in6 { - sin6_family: c::AF_INET6 as c::sa_family_t, - sin6_port: hton(port), - sin6_addr: *ip.as_inner(), - sin6_flowinfo: flowinfo, - sin6_scope_id: scope_id, - .. unsafe { mem::zeroed() } - }, - } - } - - /// Returns the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); - /// assert_eq!(socket.ip(), &Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn ip(&self) -> &Ipv6Addr { - unsafe { - &*(&self.inner.sin6_addr as *const c::in6_addr as *const Ipv6Addr) - } - } - - /// Changes the IP address associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); - /// socket.set_ip(Ipv6Addr::new(76, 45, 0, 0, 0, 0, 0, 0)); - /// assert_eq!(socket.ip(), &Ipv6Addr::new(76, 45, 0, 0, 0, 0, 0, 0)); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_ip(&mut self, new_ip: Ipv6Addr) { - self.inner.sin6_addr = *new_ip.as_inner() - } - - /// Returns the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); - /// assert_eq!(socket.port(), 8080); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn port(&self) -> u16 { - ntoh(self.inner.sin6_port) - } - - /// Changes the port number associated with this socket address. - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 0); - /// socket.set_port(4242); - /// assert_eq!(socket.port(), 4242); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_port(&mut self, new_port: u16) { - self.inner.sin6_port = hton(new_port); - } - - /// Returns the flow information associated with this address. - /// - /// This information corresponds to the `sin6_flowinfo` field in C's `netinet/in.h`, - /// as specified in [IETF RFC 2553, Section 3.3]. - /// It combines information about the flow label and the traffic class as specified - /// in [IETF RFC 2460], respectively [Section 6] and [Section 7]. - /// - /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 - /// [IETF RFC 2460]: https://tools.ietf.org/html/rfc2460 - /// [Section 6]: https://tools.ietf.org/html/rfc2460#section-6 - /// [Section 7]: https://tools.ietf.org/html/rfc2460#section-7 - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 10, 0); - /// assert_eq!(socket.flowinfo(), 10); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn flowinfo(&self) -> u32 { - self.inner.sin6_flowinfo - } - - /// Changes the flow information associated with this socket address. - /// - /// See the [`flowinfo`] method's documentation for more details. - /// - /// [`flowinfo`]: #method.flowinfo - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 10, 0); - /// socket.set_flowinfo(56); - /// assert_eq!(socket.flowinfo(), 56); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_flowinfo(&mut self, new_flowinfo: u32) { - self.inner.sin6_flowinfo = new_flowinfo; - } - - /// Returns the scope ID associated with this address. - /// - /// This information corresponds to the `sin6_scope_id` field in C's `netinet/in.h`, - /// as specified in [IETF RFC 2553, Section 3.3]. - /// - /// [IETF RFC 2553, Section 3.3]: https://tools.ietf.org/html/rfc2553#section-3.3 - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 78); - /// assert_eq!(socket.scope_id(), 78); - /// ``` - #[stable(feature = "rust1", since = "1.0.0")] - pub fn scope_id(&self) -> u32 { - self.inner.sin6_scope_id - } - - /// Change the scope ID associated with this socket address. - /// - /// See the [`scope_id`] method's documentation for more details. - /// - /// [`scope_id`]: #method.scope_id - /// - /// # Examples - /// - /// ``` - /// use std::net::{SocketAddrV6, Ipv6Addr}; - /// - /// let mut socket = SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), 8080, 0, 78); - /// socket.set_scope_id(42); - /// assert_eq!(socket.scope_id(), 42); - /// ``` - #[stable(feature = "sockaddr_setters", since = "1.9.0")] - pub fn set_scope_id(&mut self, new_scope_id: u32) { - self.inner.sin6_scope_id = new_scope_id; - } -} - -impl FromInner<c::sockaddr_in> for SocketAddrV4 { - fn from_inner(addr: c::sockaddr_in) -> SocketAddrV4 { - SocketAddrV4 { inner: addr } - } -} - -impl FromInner<c::sockaddr_in6> for SocketAddrV6 { - fn from_inner(addr: c::sockaddr_in6) -> SocketAddrV6 { - SocketAddrV6 { inner: addr } - } -} - -#[stable(feature = "ip_from_ip", since = "1.16.0")] -impl From<SocketAddrV4> for SocketAddr { - fn from(sock4: SocketAddrV4) -> SocketAddr { - SocketAddr::V4(sock4) - } -} - -#[stable(feature = "ip_from_ip", since = "1.16.0")] -impl From<SocketAddrV6> for SocketAddr { - fn from(sock6: SocketAddrV6) -> SocketAddr { - SocketAddr::V6(sock6) - } -} - -#[stable(feature = "addr_from_into_ip", since = "1.17.0")] -impl<I: Into<IpAddr>> From<(I, u16)> for SocketAddr { - fn from(pieces: (I, u16)) -> SocketAddr { - SocketAddr::new(pieces.0.into(), pieces.1) - } -} - -impl<'a> IntoInner<(*const c::sockaddr, c::socklen_t)> for &'a SocketAddr { - fn into_inner(self) -> (*const c::sockaddr, c::socklen_t) { - match *self { - SocketAddr::V4(ref a) => { - (a as *const _ as *const _, mem::size_of_val(a) as c::socklen_t) - } - SocketAddr::V6(ref a) => { - (a as *const _ as *const _, mem::size_of_val(a) as c::socklen_t) - } - } - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl fmt::Display for SocketAddr { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - match *self { - SocketAddr::V4(ref a) => a.fmt(f), - SocketAddr::V6(ref a) => a.fmt(f), - } - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl fmt::Display for SocketAddrV4 { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - write!(f, "{}:{}", self.ip(), self.port()) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl fmt::Debug for SocketAddrV4 { - fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { - fmt::Display::fmt(self, fmt) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl fmt::Display for SocketAddrV6 { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - write!(f, "[{}]:{}", self.ip(), self.port()) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl fmt::Debug for SocketAddrV6 { - fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { - fmt::Display::fmt(self, fmt) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl Clone for SocketAddrV4 { - fn clone(&self) -> SocketAddrV4 { *self } -} -#[stable(feature = "rust1", since = "1.0.0")] -impl Clone for SocketAddrV6 { - fn clone(&self) -> SocketAddrV6 { *self } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl PartialEq for SocketAddrV4 { - fn eq(&self, other: &SocketAddrV4) -> bool { - self.inner.sin_port == other.inner.sin_port && - self.inner.sin_addr.s_addr == other.inner.sin_addr.s_addr - } -} -#[stable(feature = "rust1", since = "1.0.0")] -impl PartialEq for SocketAddrV6 { - fn eq(&self, other: &SocketAddrV6) -> bool { - self.inner.sin6_port == other.inner.sin6_port && - self.inner.sin6_addr.s6_addr == other.inner.sin6_addr.s6_addr && - self.inner.sin6_flowinfo == other.inner.sin6_flowinfo && - self.inner.sin6_scope_id == other.inner.sin6_scope_id - } -} -#[stable(feature = "rust1", since = "1.0.0")] -impl Eq for SocketAddrV4 {} -#[stable(feature = "rust1", since = "1.0.0")] -impl Eq for SocketAddrV6 {} - -#[stable(feature = "rust1", since = "1.0.0")] -impl hash::Hash for SocketAddrV4 { - fn hash<H: hash::Hasher>(&self, s: &mut H) { - (self.inner.sin_port, self.inner.sin_addr.s_addr).hash(s) - } -} -#[stable(feature = "rust1", since = "1.0.0")] -impl hash::Hash for SocketAddrV6 { - fn hash<H: hash::Hasher>(&self, s: &mut H) { - (self.inner.sin6_port, &self.inner.sin6_addr.s6_addr, - self.inner.sin6_flowinfo, self.inner.sin6_scope_id).hash(s) - } -} - -/// A trait for objects which can be converted or resolved to one or more -/// [`SocketAddr`] values. -/// -/// This trait is used for generic address resolution when constructing network -/// objects. By default it is implemented for the following types: -/// -/// * [`SocketAddr`]: [`to_socket_addrs`] is the identity function. -/// -/// * [`SocketAddrV4`], [`SocketAddrV6`], `(`[`IpAddr`]`, `[`u16`]`)`, -/// `(`[`Ipv4Addr`]`, `[`u16`]`)`, `(`[`Ipv6Addr`]`, `[`u16`]`)`: -/// [`to_socket_addrs`] constructs a [`SocketAddr`] trivially. -/// -/// * `(`[`&str`]`, `[`u16`]`)`: the string should be either a string representation -/// of an [`IpAddr`] address as expected by [`FromStr`] implementation or a host -/// name. -/// -/// * [`&str`]: the string should be either a string representation of a -/// [`SocketAddr`] as expected by its [`FromStr`] implementation or a string like -/// `<host_name>:<port>` pair where `<port>` is a [`u16`] value. -/// -/// This trait allows constructing network objects like [`TcpStream`] or -/// [`UdpSocket`] easily with values of various types for the bind/connection -/// address. It is needed because sometimes one type is more appropriate than -/// the other: for simple uses a string like `"localhost:12345"` is much nicer -/// than manual construction of the corresponding [`SocketAddr`], but sometimes -/// [`SocketAddr`] value is *the* main source of the address, and converting it to -/// some other type (e.g. a string) just for it to be converted back to -/// [`SocketAddr`] in constructor methods is pointless. -/// -/// Addresses returned by the operating system that are not IP addresses are -/// silently ignored. -/// -/// [`FromStr`]: ../../std/str/trait.FromStr.html -/// [`IpAddr`]: ../../std/net/enum.IpAddr.html -/// [`Ipv4Addr`]: ../../std/net/struct.Ipv4Addr.html -/// [`Ipv6Addr`]: ../../std/net/struct.Ipv6Addr.html -/// [`SocketAddr`]: ../../std/net/enum.SocketAddr.html -/// [`SocketAddrV4`]: ../../std/net/struct.SocketAddrV4.html -/// [`SocketAddrV6`]: ../../std/net/struct.SocketAddrV6.html -/// [`&str`]: ../../std/primitive.str.html -/// [`TcpStream`]: ../../std/net/struct.TcpStream.html -/// [`to_socket_addrs`]: #tymethod.to_socket_addrs -/// [`UdpSocket`]: ../../std/net/struct.UdpSocket.html -/// [`u16`]: ../../std/primitive.u16.html -/// -/// # Examples -/// -/// Creating a [`SocketAddr`] iterator that yields one item: -/// -/// ``` -/// use std::net::{ToSocketAddrs, SocketAddr}; -/// -/// let addr = SocketAddr::from(([127, 0, 0, 1], 443)); -/// let mut addrs_iter = addr.to_socket_addrs().unwrap(); -/// -/// assert_eq!(Some(addr), addrs_iter.next()); -/// assert!(addrs_iter.next().is_none()); -/// ``` -/// -/// Creating a [`SocketAddr`] iterator from a hostname: -/// -/// ```no_run -/// use std::net::{SocketAddr, ToSocketAddrs}; -/// -/// // assuming 'localhost' resolves to 127.0.0.1 -/// let mut addrs_iter = "localhost:443".to_socket_addrs().unwrap(); -/// assert_eq!(addrs_iter.next(), Some(SocketAddr::from(([127, 0, 0, 1], 443)))); -/// assert!(addrs_iter.next().is_none()); -/// -/// // assuming 'foo' does not resolve -/// assert!("foo:443".to_socket_addrs().is_err()); -/// ``` -/// -/// Creating a [`SocketAddr`] iterator that yields multiple items: -/// -/// ``` -/// use std::net::{SocketAddr, ToSocketAddrs}; -/// -/// let addr1 = SocketAddr::from(([0, 0, 0, 0], 80)); -/// let addr2 = SocketAddr::from(([127, 0, 0, 1], 443)); -/// let addrs = vec![addr1, addr2]; -/// -/// let mut addrs_iter = (&addrs[..]).to_socket_addrs().unwrap(); -/// -/// assert_eq!(Some(addr1), addrs_iter.next()); -/// assert_eq!(Some(addr2), addrs_iter.next()); -/// assert!(addrs_iter.next().is_none()); -/// ``` -/// -/// Attempting to create a [`SocketAddr`] iterator from an improperly formatted -/// socket address `&str` (missing the port): -/// -/// ``` -/// use std::io; -/// use std::net::ToSocketAddrs; -/// -/// let err = "127.0.0.1".to_socket_addrs().unwrap_err(); -/// assert_eq!(err.kind(), io::ErrorKind::InvalidInput); -/// ``` -/// -/// [`TcpStream::connect`] is an example of an function that utilizes -/// `ToSocketAddrs` as a trait bound on its parameter in order to accept -/// different types: -/// -/// ```no_run -/// use std::net::{TcpStream, Ipv4Addr}; -/// -/// let stream = TcpStream::connect(("127.0.0.1", 443)); -/// // or -/// let stream = TcpStream::connect("127.0.0.1:443"); -/// // or -/// let stream = TcpStream::connect((Ipv4Addr::new(127, 0, 0, 1), 443)); -/// ``` -/// -/// [`TcpStream::connect`]: ../../std/net/struct.TcpStream.html#method.connect -#[stable(feature = "rust1", since = "1.0.0")] -pub trait ToSocketAddrs { - /// Returned iterator over socket addresses which this type may correspond - /// to. - #[stable(feature = "rust1", since = "1.0.0")] - type Iter: Iterator<Item=SocketAddr>; - - /// Converts this object to an iterator of resolved `SocketAddr`s. - /// - /// The returned iterator may not actually yield any values depending on the - /// outcome of any resolution performed. - /// - /// Note that this function may block the current thread while resolution is - /// performed. - #[stable(feature = "rust1", since = "1.0.0")] - fn to_socket_addrs(&self) -> io::Result<Self::Iter>; -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for SocketAddr { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - Ok(Some(*self).into_iter()) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for SocketAddrV4 { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - SocketAddr::V4(*self).to_socket_addrs() - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for SocketAddrV6 { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - SocketAddr::V6(*self).to_socket_addrs() - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for (IpAddr, u16) { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - let (ip, port) = *self; - match ip { - IpAddr::V4(ref a) => (*a, port).to_socket_addrs(), - IpAddr::V6(ref a) => (*a, port).to_socket_addrs(), - } - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for (Ipv4Addr, u16) { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - let (ip, port) = *self; - SocketAddrV4::new(ip, port).to_socket_addrs() - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for (Ipv6Addr, u16) { - type Iter = option::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<option::IntoIter<SocketAddr>> { - let (ip, port) = *self; - SocketAddrV6::new(ip, port, 0, 0).to_socket_addrs() - } -} - -fn resolve_socket_addr(s: &str, p: u16) -> io::Result<vec::IntoIter<SocketAddr>> { - let ips = lookup_host(s)?; - let v: Vec<_> = ips.map(|mut a| { a.set_port(p); a }).collect(); - Ok(v.into_iter()) -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl<'a> ToSocketAddrs for (&'a str, u16) { - type Iter = vec::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> { - let (host, port) = *self; - - // try to parse the host as a regular IP address first - if let Ok(addr) = host.parse::<Ipv4Addr>() { - let addr = SocketAddrV4::new(addr, port); - return Ok(vec![SocketAddr::V4(addr)].into_iter()) - } - if let Ok(addr) = host.parse::<Ipv6Addr>() { - let addr = SocketAddrV6::new(addr, port, 0, 0); - return Ok(vec![SocketAddr::V6(addr)].into_iter()) - } - - resolve_socket_addr(host, port) - } -} - -// accepts strings like 'localhost:12345' -#[stable(feature = "rust1", since = "1.0.0")] -impl ToSocketAddrs for str { - type Iter = vec::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> { - // try to parse as a regular SocketAddr first - if let Some(addr) = self.parse().ok() { - return Ok(vec![addr].into_iter()); - } - - macro_rules! try_opt { - ($e:expr, $msg:expr) => ( - match $e { - Some(r) => r, - None => return Err(io::Error::new(io::ErrorKind::InvalidInput, - $msg)), - } - ) - } - - // split the string by ':' and convert the second part to u16 - let mut parts_iter = self.rsplitn(2, ':'); - let port_str = try_opt!(parts_iter.next(), "invalid socket address"); - let host = try_opt!(parts_iter.next(), "invalid socket address"); - let port: u16 = try_opt!(port_str.parse().ok(), "invalid port value"); - resolve_socket_addr(host, port) - } -} - -#[stable(feature = "slice_to_socket_addrs", since = "1.8.0")] -impl<'a> ToSocketAddrs for &'a [SocketAddr] { - type Iter = iter::Cloned<slice::Iter<'a, SocketAddr>>; - - fn to_socket_addrs(&self) -> io::Result<Self::Iter> { - Ok(self.iter().cloned()) - } -} - -#[stable(feature = "rust1", since = "1.0.0")] -impl<'a, T: ToSocketAddrs + ?Sized> ToSocketAddrs for &'a T { - type Iter = T::Iter; - fn to_socket_addrs(&self) -> io::Result<T::Iter> { - (**self).to_socket_addrs() - } -} - -#[stable(feature = "string_to_socket_addrs", since = "1.16.0")] -impl ToSocketAddrs for String { - type Iter = vec::IntoIter<SocketAddr>; - fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> { - (&**self).to_socket_addrs() - } -} - -#[cfg(all(test, not(target_os = "emscripten")))] -mod tests { - use net::*; - use net::test::{tsa, sa6, sa4}; - - #[test] - fn to_socket_addr_ipaddr_u16() { - let a = Ipv4Addr::new(77, 88, 21, 11); - let p = 12345; - let e = SocketAddr::V4(SocketAddrV4::new(a, p)); - assert_eq!(Ok(vec![e]), tsa((a, p))); - } - - #[test] - fn to_socket_addr_str_u16() { - let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352); - assert_eq!(Ok(vec![a]), tsa(("77.88.21.11", 24352))); - - let a = sa6(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53); - assert_eq!(Ok(vec![a]), tsa(("2a02:6b8:0:1::1", 53))); - - let a = sa4(Ipv4Addr::new(127, 0, 0, 1), 23924); - assert!(tsa(("localhost", 23924)).unwrap().contains(&a)); - } - - #[test] - fn to_socket_addr_str() { - let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352); - assert_eq!(Ok(vec![a]), tsa("77.88.21.11:24352")); - - let a = sa6(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 53); - assert_eq!(Ok(vec![a]), tsa("[2a02:6b8:0:1::1]:53")); - - let a = sa4(Ipv4Addr::new(127, 0, 0, 1), 23924); - assert!(tsa("localhost:23924").unwrap().contains(&a)); - } - - #[test] - fn to_socket_addr_string() { - let a = sa4(Ipv4Addr::new(77, 88, 21, 11), 24352); - assert_eq!(Ok(vec![a]), tsa(&*format!("{}:{}", "77.88.21.11", "24352"))); - assert_eq!(Ok(vec![a]), tsa(&format!("{}:{}", "77.88.21.11", "24352"))); - assert_eq!(Ok(vec![a]), tsa(format!("{}:{}", "77.88.21.11", "24352"))); - - let s = format!("{}:{}", "77.88.21.11", "24352"); - assert_eq!(Ok(vec![a]), tsa(s)); - // s has been moved into the tsa call - } - - // FIXME: figure out why this fails on openbsd and bitrig and fix it - #[test] - #[cfg(not(any(windows, target_os = "openbsd", target_os = "bitrig")))] - fn to_socket_addr_str_bad() { - assert!(tsa("1200::AB00:1234::2552:7777:1313:34300").is_err()); - } - - #[test] - fn set_ip() { - fn ip4(low: u8) -> Ipv4Addr { Ipv4Addr::new(77, 88, 21, low) } - fn ip6(low: u16) -> Ipv6Addr { Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, low) } - - let mut v4 = SocketAddrV4::new(ip4(11), 80); - assert_eq!(v4.ip(), &ip4(11)); - v4.set_ip(ip4(12)); - assert_eq!(v4.ip(), &ip4(12)); - - let mut addr = SocketAddr::V4(v4); - assert_eq!(addr.ip(), IpAddr::V4(ip4(12))); - addr.set_ip(IpAddr::V4(ip4(13))); - assert_eq!(addr.ip(), IpAddr::V4(ip4(13))); - addr.set_ip(IpAddr::V6(ip6(14))); - assert_eq!(addr.ip(), IpAddr::V6(ip6(14))); - - let mut v6 = SocketAddrV6::new(ip6(1), 80, 0, 0); - assert_eq!(v6.ip(), &ip6(1)); - v6.set_ip(ip6(2)); - assert_eq!(v6.ip(), &ip6(2)); - - let mut addr = SocketAddr::V6(v6); - assert_eq!(addr.ip(), IpAddr::V6(ip6(2))); - addr.set_ip(IpAddr::V6(ip6(3))); - assert_eq!(addr.ip(), IpAddr::V6(ip6(3))); - addr.set_ip(IpAddr::V4(ip4(4))); - assert_eq!(addr.ip(), IpAddr::V4(ip4(4))); - } - - #[test] - fn set_port() { - let mut v4 = SocketAddrV4::new(Ipv4Addr::new(77, 88, 21, 11), 80); - assert_eq!(v4.port(), 80); - v4.set_port(443); - assert_eq!(v4.port(), 443); - - let mut addr = SocketAddr::V4(v4); - assert_eq!(addr.port(), 443); - addr.set_port(8080); - assert_eq!(addr.port(), 8080); - - let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 0, 0); - assert_eq!(v6.port(), 80); - v6.set_port(443); - assert_eq!(v6.port(), 443); - - let mut addr = SocketAddr::V6(v6); - assert_eq!(addr.port(), 443); - addr.set_port(8080); - assert_eq!(addr.port(), 8080); - } - - #[test] - fn set_flowinfo() { - let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 10, 0); - assert_eq!(v6.flowinfo(), 10); - v6.set_flowinfo(20); - assert_eq!(v6.flowinfo(), 20); - } - - #[test] - fn set_scope_id() { - let mut v6 = SocketAddrV6::new(Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 0, 10); - assert_eq!(v6.scope_id(), 10); - v6.set_scope_id(20); - assert_eq!(v6.scope_id(), 20); - } - - #[test] - fn is_v4() { - let v4 = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(77, 88, 21, 11), 80)); - assert!(v4.is_ipv4()); - assert!(!v4.is_ipv6()); - } - - #[test] - fn is_v6() { - let v6 = SocketAddr::V6(SocketAddrV6::new( - Ipv6Addr::new(0x2a02, 0x6b8, 0, 1, 0, 0, 0, 1), 80, 10, 0)); - assert!(!v6.is_ipv4()); - assert!(v6.is_ipv6()); - } -} |