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src/tools/disks/zpool_status.rs: simplify code by using serde_json::to_value

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This commit is contained in:
Dietmar Maurer
2020-06-19 17:51:13 +02:00
parent f675c5e978
commit 07fb504943
1 changed files with 11 additions and 22 deletions
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33
src/tools/disks/zpool_status.rs
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@ -179,25 +179,9 @@ fn parse_zpool_status(input: &str) -> Result<Vec<(String, String)>, Error> {
}
pub fn vdev_list_to_tree(vdev_list: &[ZFSPoolVDevState]) -> Result<Value, Error> {
indented_list_to_tree(vdev_list, |vdev, node| {
node.insert("name".to_string(), Value::String(vdev.name.clone()));
node.insert("lvl".to_string(), Value::Number(vdev.lvl.into()));
if let Some(ref state) = vdev.state {
node.insert("state".to_string(), Value::String(state.clone()));
}
if let Some(ref msg) = vdev.msg {
node.insert("msg".to_string(), Value::String(msg.clone()));
}
if let Some(read) = vdev.read {
node.insert("read".to_string(), Value::Number(read.into()));
}
if let Some(write) = vdev.write {
node.insert("write".to_string(), Value::Number(write.into()));
}
if let Some(cksum) = vdev.cksum {
node.insert("cksum".to_string(), Value::Number(cksum.into()));
}
vdev.lvl
indented_list_to_tree(vdev_list, |vdev| {
let node = serde_json::to_value(vdev).unwrap();
(node, vdev.lvl)
})
}
@ -205,7 +189,7 @@ fn indented_list_to_tree<'a, T, F, I>(items: I, to_node: F) -> Result<Value, Err
where
T: 'a,
I: IntoIterator<Item = &'a T>,
F: Fn(&T, &mut serde_json::Map<String, Value>) -> u64,
F: Fn(&T) -> (Value, u64),
{
use serde_json::Map;
use std::mem::replace;
@ -219,8 +203,13 @@ where
cur_node.insert("name".to_string(), Value::String("root".to_string()));
for item in items {
let mut node = Map::new();
let vdev_level = 1 + to_node(&item, &mut node);
let (node, node_level) = to_node(&item);
let vdev_level = 1 + node_level;
let mut node = match node {
Value::Object(map) => map,
_ => bail!("to_node returned wrong type"),
};
node.insert("leaf".to_string(), Value::Bool(true));
// if required, go back up (possibly multiple levels):