| use crate::fd::OwnedFd; |
| use crate::net::{SocketAddr, SocketAddrAny, SocketAddrV4, SocketAddrV6}; |
| use crate::{backend, io}; |
| use backend::fd::{AsFd, BorrowedFd}; |
| |
| #[cfg(unix)] |
| pub use backend::net::addr::SocketAddrUnix; |
| pub use backend::net::types::{ |
| AcceptFlags, AddressFamily, Protocol, Shutdown, SocketFlags, SocketType, |
| }; |
| |
| impl Default for Protocol { |
| #[inline] |
| fn default() -> Self { |
| Self::IP |
| } |
| } |
| |
| /// `socket(domain, type_, protocol)`—Creates a socket. |
| /// |
| /// POSIX guarantees that `socket` will use the lowest unused file descriptor, |
| /// however it is not safe in general to rely on this, as file descriptors may |
| /// be unexpectedly allocated on other threads or in libraries. |
| /// |
| /// To pass extra flags such as [`SocketFlags::CLOEXEC`], use [`socket_with`]. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/socket.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket |
| #[inline] |
| pub fn socket(domain: AddressFamily, type_: SocketType, protocol: Protocol) -> io::Result<OwnedFd> { |
| backend::net::syscalls::socket(domain, type_, protocol) |
| } |
| |
| /// `socket_with(domain, type_ | flags, protocol)`—Creates a socket, with |
| /// flags. |
| /// |
| /// POSIX guarantees that `socket` will use the lowest unused file descriptor, |
| /// however it is not safe in general to rely on this, as file descriptors may |
| /// be unexpectedly allocated on other threads or in libraries. |
| /// |
| /// `socket_with` is the same as [`socket`] but adds an additional flags |
| /// operand. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/socket.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket |
| #[inline] |
| pub fn socket_with( |
| domain: AddressFamily, |
| type_: SocketType, |
| flags: SocketFlags, |
| protocol: Protocol, |
| ) -> io::Result<OwnedFd> { |
| backend::net::syscalls::socket_with(domain, type_, flags, protocol) |
| } |
| |
| /// `bind(sockfd, addr)`—Binds a socket to an IP address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind |
| pub fn bind<Fd: AsFd>(sockfd: Fd, addr: &SocketAddr) -> io::Result<()> { |
| _bind(sockfd.as_fd(), addr) |
| } |
| |
| fn _bind(sockfd: BorrowedFd<'_>, addr: &SocketAddr) -> io::Result<()> { |
| match addr { |
| SocketAddr::V4(v4) => backend::net::syscalls::bind_v4(sockfd, v4), |
| SocketAddr::V6(v6) => backend::net::syscalls::bind_v6(sockfd, v6), |
| } |
| } |
| |
| /// `bind(sockfd, addr)`—Binds a socket to an address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind |
| #[doc(alias = "bind")] |
| pub fn bind_any<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrAny) -> io::Result<()> { |
| _bind_any(sockfd.as_fd(), addr) |
| } |
| |
| fn _bind_any(sockfd: BorrowedFd<'_>, addr: &SocketAddrAny) -> io::Result<()> { |
| match addr { |
| SocketAddrAny::V4(v4) => backend::net::syscalls::bind_v4(sockfd, v4), |
| SocketAddrAny::V6(v6) => backend::net::syscalls::bind_v6(sockfd, v6), |
| #[cfg(unix)] |
| SocketAddrAny::Unix(unix) => backend::net::syscalls::bind_unix(sockfd, unix), |
| } |
| } |
| |
| /// `bind(sockfd, addr, sizeof(struct sockaddr_in))`—Binds a socket to an |
| /// IPv4 address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind |
| #[inline] |
| #[doc(alias = "bind")] |
| pub fn bind_v4<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV4) -> io::Result<()> { |
| backend::net::syscalls::bind_v4(sockfd.as_fd(), addr) |
| } |
| |
| /// `bind(sockfd, addr, sizeof(struct sockaddr_in6))`—Binds a socket to an |
| /// IPv6 address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind |
| #[inline] |
| #[doc(alias = "bind")] |
| pub fn bind_v6<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV6) -> io::Result<()> { |
| backend::net::syscalls::bind_v6(sockfd.as_fd(), addr) |
| } |
| |
| /// `bind(sockfd, addr, sizeof(struct sockaddr_un))`—Binds a socket to a |
| /// Unix-domain address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind |
| #[cfg(unix)] |
| #[inline] |
| #[doc(alias = "bind")] |
| pub fn bind_unix<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrUnix) -> io::Result<()> { |
| backend::net::syscalls::bind_unix(sockfd.as_fd(), addr) |
| } |
| |
| /// `connect(sockfd, addr)`—Initiates a connection to an IP address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect |
| pub fn connect<Fd: AsFd>(sockfd: Fd, addr: &SocketAddr) -> io::Result<()> { |
| _connect(sockfd.as_fd(), addr) |
| } |
| |
| fn _connect(sockfd: BorrowedFd<'_>, addr: &SocketAddr) -> io::Result<()> { |
| match addr { |
| SocketAddr::V4(v4) => backend::net::syscalls::connect_v4(sockfd, v4), |
| SocketAddr::V6(v6) => backend::net::syscalls::connect_v6(sockfd, v6), |
| } |
| } |
| |
| /// `connect(sockfd, addr)`—Initiates a connection. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect |
| #[doc(alias = "connect")] |
| pub fn connect_any<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrAny) -> io::Result<()> { |
| _connect_any(sockfd.as_fd(), addr) |
| } |
| |
| fn _connect_any(sockfd: BorrowedFd<'_>, addr: &SocketAddrAny) -> io::Result<()> { |
| match addr { |
| SocketAddrAny::V4(v4) => backend::net::syscalls::connect_v4(sockfd, v4), |
| SocketAddrAny::V6(v6) => backend::net::syscalls::connect_v6(sockfd, v6), |
| #[cfg(unix)] |
| SocketAddrAny::Unix(unix) => backend::net::syscalls::connect_unix(sockfd, unix), |
| } |
| } |
| |
| /// `connect(sockfd, addr, sizeof(struct sockaddr_in))`—Initiates a |
| /// connection to an IPv4 address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect |
| #[inline] |
| #[doc(alias = "connect")] |
| pub fn connect_v4<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV4) -> io::Result<()> { |
| backend::net::syscalls::connect_v4(sockfd.as_fd(), addr) |
| } |
| |
| /// `connect(sockfd, addr, sizeof(struct sockaddr_in6))`—Initiates a |
| /// connection to an IPv6 address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect |
| #[inline] |
| #[doc(alias = "connect")] |
| pub fn connect_v6<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV6) -> io::Result<()> { |
| backend::net::syscalls::connect_v6(sockfd.as_fd(), addr) |
| } |
| |
| /// `connect(sockfd, addr, sizeof(struct sockaddr_un))`—Initiates a |
| /// connection to a Unix-domain address. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect |
| #[cfg(unix)] |
| #[inline] |
| #[doc(alias = "connect")] |
| pub fn connect_unix<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrUnix) -> io::Result<()> { |
| backend::net::syscalls::connect_unix(sockfd.as_fd(), addr) |
| } |
| |
| /// `listen(fd, backlog)`—Enables listening for incoming connections. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/listen.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/listen.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen |
| #[inline] |
| pub fn listen<Fd: AsFd>(sockfd: Fd, backlog: i32) -> io::Result<()> { |
| backend::net::syscalls::listen(sockfd.as_fd(), backlog) |
| } |
| |
| /// `accept(fd, NULL, NULL)`—Accepts an incoming connection. |
| /// |
| /// Use [`acceptfrom`] to retrieve the peer address. |
| /// |
| /// POSIX guarantees that `accept` will use the lowest unused file descriptor, |
| /// however it is not safe in general to rely on this, as file descriptors may |
| /// be unexpectedly allocated on other threads or in libraries. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/accept.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept |
| #[inline] |
| #[doc(alias = "accept4")] |
| pub fn accept<Fd: AsFd>(sockfd: Fd) -> io::Result<OwnedFd> { |
| backend::net::syscalls::accept(sockfd.as_fd()) |
| } |
| |
| /// `accept4(fd, NULL, NULL, flags)`—Accepts an incoming connection, with |
| /// flags. |
| /// |
| /// Use [`acceptfrom_with`] to retrieve the peer address. |
| /// |
| /// Even though POSIX guarantees that this will use the lowest unused file |
| /// descriptor, it is not safe in general to rely on this, as file descriptors |
| /// may be unexpectedly allocated on other threads or in libraries. |
| /// |
| /// `accept_with` is the same as [`accept`] but adds an additional flags |
| /// operand. |
| /// |
| /// # References |
| /// - [Linux] |
| /// |
| /// [Linux]: https://man7.org/linux/man-pages/man2/accept4.2.html |
| #[inline] |
| #[doc(alias = "accept4")] |
| pub fn accept_with<Fd: AsFd>(sockfd: Fd, flags: AcceptFlags) -> io::Result<OwnedFd> { |
| backend::net::syscalls::accept_with(sockfd.as_fd(), flags) |
| } |
| |
| /// `accept(fd, &addr, &len)`—Accepts an incoming connection and returns the |
| /// peer address. |
| /// |
| /// Use [`accept`] if the peer address isn't needed. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/accept.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept |
| #[inline] |
| #[doc(alias = "accept4")] |
| pub fn acceptfrom<Fd: AsFd>(sockfd: Fd) -> io::Result<(OwnedFd, Option<SocketAddrAny>)> { |
| backend::net::syscalls::acceptfrom(sockfd.as_fd()) |
| } |
| |
| /// `accept4(fd, &addr, &len, flags)`—Accepts an incoming connection and |
| /// returns the peer address, with flags. |
| /// |
| /// Use [`accept_with`] if the peer address isn't needed. |
| /// |
| /// `acceptfrom_with` is the same as [`acceptfrom`] but adds an additional |
| /// flags operand. |
| /// |
| /// # References |
| /// - [Linux] |
| /// |
| /// [Linux]: https://man7.org/linux/man-pages/man2/accept4.2.html |
| #[inline] |
| #[doc(alias = "accept4")] |
| pub fn acceptfrom_with<Fd: AsFd>( |
| sockfd: Fd, |
| flags: AcceptFlags, |
| ) -> io::Result<(OwnedFd, Option<SocketAddrAny>)> { |
| backend::net::syscalls::acceptfrom_with(sockfd.as_fd(), flags) |
| } |
| |
| /// `shutdown(fd, how)`—Closes the read and/or write sides of a stream. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/shutdown.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/shutdown.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-shutdown |
| #[inline] |
| pub fn shutdown<Fd: AsFd>(sockfd: Fd, how: Shutdown) -> io::Result<()> { |
| backend::net::syscalls::shutdown(sockfd.as_fd(), how) |
| } |
| |
| /// `getsockname(fd, addr, len)`—Returns the address a socket is bound to. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/getsockname.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getsockname.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getsockname |
| #[inline] |
| pub fn getsockname<Fd: AsFd>(sockfd: Fd) -> io::Result<SocketAddrAny> { |
| backend::net::syscalls::getsockname(sockfd.as_fd()) |
| } |
| |
| /// `getpeername(fd, addr, len)`—Returns the address a socket is connected |
| /// to. |
| /// |
| /// # References |
| /// - [POSIX] |
| /// - [Linux] |
| /// - [Apple] |
| /// - [Winsock2] |
| /// |
| /// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html |
| /// [Linux]: https://man7.org/linux/man-pages/man2/getpeername.2.html |
| /// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpeername.2.html |
| /// [Winsock2]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getpeername |
| #[inline] |
| pub fn getpeername<Fd: AsFd>(sockfd: Fd) -> io::Result<Option<SocketAddrAny>> { |
| backend::net::syscalls::getpeername(sockfd.as_fd()) |
| } |