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// SPDX-License-Identifier: MIT
#![cfg(feature = "tokio_socket")]
use futures::stream::TryStreamExt;
use rtnetlink::{new_connection, Error, Handle};
use std::env;
#[tokio::main]
async fn main() -> Result<(), ()> {
let args: Vec<String> = env::args().collect();
if args.len() != 2 {
usage();
return Ok(());
}
let link_name = &args[1];
let (connection, handle, _) = new_connection().unwrap();
tokio::spawn(connection);
if let Err(e) = flush_addresses(handle, link_name.to_string()).await {
eprintln!("{e}");
}
Ok(())
}
async fn flush_addresses(handle: Handle, link: String) -> Result<(), Error> {
let mut links = handle.link().get().match_name(link.clone()).execute();
if let Some(link) = links.try_next().await? {
// We should have received only one message
assert!(links.try_next().await?.is_none());
let mut addresses = handle
.address()
.get()
.set_link_index_filter(link.header.index)
.execute();
while let Some(addr) = addresses.try_next().await? {
handle.address().del(addr).execute().await?;
}
Ok(())
} else {
eprintln!("link {link} not found");
Ok(())
}
}
fn usage() {
eprintln!(
"usage:
cargo run --example flush_addresses -- <link_name>
Note that you need to run this program as root. Instead of running cargo as root,
build the example normally:
cd rtnetlink ; cargo build --example flush_addresses
Then find the binary in the target directory:
cd ../target/debug/example ; sudo ./flush_addresses <link_name>"
);
}
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