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use crate::error::{Error, Result};
use futures_util::TryStreamExt;
use netlink_packet_route::rtnl::IFF_UP;
use tokio::runtime::Runtime;
#[derive(Clone, Copy, Debug)]
enum State {
Up,
Down,
}
async fn set(link: String, state: State) -> Result<()> {
let (conn, handle, _) = rtnetlink::new_connection()?;
tokio::spawn(conn);
let link = handle
.link()
.get()
.match_name(link.clone())
.execute()
.try_next()
.await?
.ok_or(Error::LinkNotFound(link))?;
let id = link.header.index;
match state {
State::Up => handle.link().set(id).up(),
State::Down => handle.link().set(id).down(),
}
.execute()
.await?;
Ok(())
}
pub fn up(link: String) -> Result<()> {
Runtime::new()?.block_on(set(link, State::Up))
}
pub fn down(link: String) -> Result<()> {
Runtime::new()?.block_on(set(link, State::Down))
}
async fn do_is_up(link: String) -> Result<bool> {
let (conn, handle, _) = rtnetlink::new_connection()?;
tokio::spawn(conn);
let link = handle
.link()
.get()
.match_name(link.clone())
.execute()
.try_next()
.await?
.ok_or(Error::LinkNotFound(link))?;
let is_up = link.header.flags & IFF_UP == IFF_UP;
Ok(is_up)
}
pub fn is_up(link: String) -> Result<bool> {
Runtime::new()?.block_on(do_is_up(link))
}
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