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extern crate libc;
#[macro_use]
extern crate cfg_if;
#[cfg(test)]
#[macro_use]
extern crate nix;
#[macro_use]
mod macros;
use std::{io, mem};
cfg_if! {
if #[cfg(any(target_os = "linux",
target_os = "android",
target_os = "fuchsia"))] {
mod notbsd;
pub use self::notbsd::*;
} else if #[cfg(any(target_os = "macos",
target_os = "ios",
target_os = "freebsd",
target_os = "dragonfly",
target_os = "openbsd",
target_os = "netbsd",
target_os = "bitrig"))] {
mod bsd;
pub use self::bsd::*;
} else {
}
}
impl ifreq {
pub fn from_name(name: &str) -> io::Result<ifreq> {
let mut req: ifreq = unsafe { mem::zeroed() };
req.set_name(name)?;
Ok(req)
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::env;
use std::io;
#[test]
fn test_get_iface_flags() {
#[cfg(any(target_os = "linux", target_os = "android"))]
let request_code = 0x8913;
#[cfg(not(any(target_os = "linux", target_os = "android")))]
let request_code = request_code_readwrite!(b'i', 17, mem::size_of::<ifreq>());
#[cfg(any(target_os = "macos", target_os = "ios"))]
let default_iface = "lo0";
#[cfg(not(any(target_os = "macos", target_os = "ios")))]
let default_iface = "lo";
let iface_name = env::var("TEST_IFACE").unwrap_or(default_iface.to_owned());
let mut req = ifreq::from_name(&iface_name).unwrap();
let sock = unsafe { libc::socket(libc::AF_INET, libc::SOCK_DGRAM, 0) };
if sock < 0 {
panic!("Socket error {:?}", io::Error::last_os_error());
}
let res = unsafe { libc::ioctl(sock, request_code, &mut req) };
if res < 0 {
panic!(
"SIOCGIFFLAGS failed with error on device '{}': {:?}",
iface_name,
io::Error::last_os_error()
);
}
let flags = req.get_flags();
assert_ne!(i64::from(flags) & i64::from(libc::IFF_UP), 0);
}
}