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async-ify xenstore and xenclient

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This commit is contained in:
Alex Zenla
2024-02-23 04:37:53 +00:00
parent cf0b62c9f5
commit 79acf4e814
15 changed files with 395 additions and 294 deletions
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17
libs/xen/xenstore/examples/list.rs
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@ -1,9 +1,10 @@
use futures::executor::block_on;
use xenstore::client::{XsdClient, XsdInterface};
use xenstore::error::Result;
use xenstore::sys::XSD_ERROR_EINVAL;
fn list_recursive(client: &mut XsdClient, level: usize, path: &str) -> Result<()> {
let children = match client.list(path) {
let children = match block_on(client.list(path)) {
Ok(children) => children,
Err(error) => {
return if error.to_string() == XSD_ERROR_EINVAL.error {
@ -16,20 +17,16 @@ fn list_recursive(client: &mut XsdClient, level: usize, path: &str) -> Result<()
for child in children {
let full = format!("{}/{}", if path == "/" { "" } else { path }, child);
let value = client.read(full.as_str())?;
println!(
"{}{} = {:?}",
" ".repeat(level),
child,
String::from_utf8(value)?
);
let value = block_on(client.read_string(full.as_str()))?.expect("expected value");
println!("{}{} = {:?}", " ".repeat(level), child, value,);
list_recursive(client, level + 1, full.as_str())?;
}
Ok(())
}
fn main() -> Result<()> {
let mut client = XsdClient::open()?;
#[tokio::main]
async fn main() -> Result<()> {
let mut client = XsdClient::open().await?;
list_recursive(&mut client, 0, "/")?;
Ok(())
}