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author | Nicolas Dusart <dusartnicolas@gmail.com> | 2017-07-21 12:20:56 +0200 |
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committer | Nicolas Dusart <dusartnicolas@gmail.com> | 2017-08-01 09:51:30 +0200 |
commit | 22b8b33f436d7b05255682374eb42c629fed5e35 (patch) | |
tree | 6d180288a8e641a2d00caccef83fe21bd5c883e4 /src/sys | |
parent | 64a5c6f7707e6153ba5e5d68cff923ccd35bd77f (diff) | |
download | nix-22b8b33f436d7b05255682374eb42c629fed5e35.zip |
add SockProtocol type for third argument of socket and socketpair
Diffstat (limited to 'src/sys')
-rw-r--r-- | src/sys/socket/mod.rs | 37 | ||||
-rw-r--r-- | src/sys/socket/sockopt.rs | 8 |
2 files changed, 39 insertions, 6 deletions
diff --git a/src/sys/socket/mod.rs b/src/sys/socket/mod.rs index 1eb5f67f..c2e95cbb 100644 --- a/src/sys/socket/mod.rs +++ b/src/sys/socket/mod.rs @@ -60,6 +60,24 @@ pub enum SockType { Rdm = libc::SOCK_RDM, } +/// Constants used in [`socket`](fn.socket.html) and [`socketpair`](fn.socketpair.html) +/// to specify the protocol to use. +#[repr(i32)] +pub enum SockProtocol { + /// TCP protocol ([ip(7)](http://man7.org/linux/man-pages/man7/ip.7.html)) + Tcp = libc::IPPROTO_TCP, + /// UDP protocol ([ip(7)](http://man7.org/linux/man-pages/man7/ip.7.html)) + Udp = libc::IPPROTO_UDP, + /// Allows applications and other KEXTs to be notified when certain kernel events occur + /// ([ref](https://developer.apple.com/library/content/documentation/Darwin/Conceptual/NKEConceptual/control/control.html)) + #[cfg(any(target_os = "ios", target_os = "macos"))] + KextEvent = libc::SYSPROTO_EVENT, + /// Allows applications to configure and control a KEXT + /// ([ref](https://developer.apple.com/library/content/documentation/Darwin/Conceptual/NKEConceptual/control/control.html)) + #[cfg(any(target_os = "ios", target_os = "macos"))] + KextControl = libc::SYSPROTO_CONTROL, +} + bitflags!( /// Extra flags - Supported by Linux 2.6.27, normalized on other platforms pub struct SockFlag: c_int { @@ -381,9 +399,20 @@ pub fn recvmsg<'a, T>(fd: RawFd, iov: &[IoVec<&mut [u8]>], cmsg_buffer: Option<& /// Create an endpoint for communication /// +/// The `protocol` specifies a particular protocol to be used with the +/// socket. Normally only a single protocol exists to support a +/// particular socket type within a given protocol family, in which case +/// protocol can be specified as `None`. However, it is possible that many +/// protocols may exist, in which case a particular protocol must be +/// specified in this manner. +/// /// [Further reading](http://man7.org/linux/man-pages/man2/socket.2.html) -pub fn socket(domain: AddressFamily, ty: SockType, flags: SockFlag, protocol: c_int) -> Result<RawFd> { +pub fn socket<T: Into<Option<SockProtocol>>>(domain: AddressFamily, ty: SockType, flags: SockFlag, protocol: T) -> Result<RawFd> { let mut ty = ty as c_int; + let protocol = match protocol.into() { + None => 0, + Some(p) => p as c_int, + }; let feat_atomic = features::socket_atomic_cloexec(); if feat_atomic { @@ -409,9 +438,13 @@ pub fn socket(domain: AddressFamily, ty: SockType, flags: SockFlag, protocol: c_ /// Create a pair of connected sockets /// /// [Further reading](http://man7.org/linux/man-pages/man2/socketpair.2.html) -pub fn socketpair(domain: AddressFamily, ty: SockType, protocol: c_int, +pub fn socketpair<T: Into<Option<SockProtocol>>>(domain: AddressFamily, ty: SockType, protocol: T, flags: SockFlag) -> Result<(RawFd, RawFd)> { let mut ty = ty as c_int; + let protocol = match protocol.into() { + None => 0, + Some(p) => p as c_int, + }; let feat_atomic = features::socket_atomic_cloexec(); if feat_atomic { diff --git a/src/sys/socket/sockopt.rs b/src/sys/socket/sockopt.rs index 9d93afc1..3c13c539 100644 --- a/src/sys/socket/sockopt.rs +++ b/src/sys/socket/sockopt.rs @@ -378,7 +378,7 @@ mod test { fn can_get_peercred_on_unix_socket() { use super::super::*; - let (a, b) = socketpair(AddressFamily::Unix, SockType::Stream, 0, SockFlag::empty()).unwrap(); + let (a, b) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty()).unwrap(); let a_cred = getsockopt(a, super::PeerCredentials).unwrap(); let b_cred = getsockopt(b, super::PeerCredentials).unwrap(); assert_eq!(a_cred, b_cred); @@ -390,7 +390,7 @@ mod test { use super::super::*; use ::unistd::close; - let (a, b) = socketpair(AddressFamily::Unix, SockType::Stream, 0, SockFlag::empty()).unwrap(); + let (a, b) = socketpair(AddressFamily::Unix, SockType::Stream, None, SockFlag::empty()).unwrap(); let a_type = getsockopt(a, super::SockType).unwrap(); assert!(a_type == SockType::Stream); close(a).unwrap(); @@ -402,7 +402,7 @@ mod test { use super::super::*; use ::unistd::close; - let s = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), 0).unwrap(); + let s = socket(AddressFamily::Inet, SockType::Datagram, SockFlag::empty(), None).unwrap(); let s_type = getsockopt(s, super::SockType).unwrap(); assert!(s_type == SockType::Datagram); close(s).unwrap(); @@ -416,7 +416,7 @@ mod test { use super::super::*; use ::unistd::close; - let s = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), 0).unwrap(); + let s = socket(AddressFamily::Inet, SockType::Stream, SockFlag::empty(), None).unwrap(); let s_listening = getsockopt(s, super::AcceptConn).unwrap(); assert!(!s_listening); listen(s, 10).unwrap(); |