Files
sausage/cli/src/core.rs
T

76 lines
2.5 KiB
Rust

//! The native core methods and their JSON parameters.
use crate::{Host, RpcResult, error};
use serde_json::{Value, json};
impl Host {
/// Execute a core method without starting a guest process.
pub(crate) async fn core(
&self,
caller: &str,
id: Option<Value>,
method: &str,
p: Value,
) -> RpcResult {
match method {
"watch" => self.watch(caller, id, required_str(&p, "path")?).await,
"call" => {
self.route(
caller.into(),
id,
required_str(&p, "method")?.into(),
p.get("params").cloned().unwrap_or(json!({})),
p["detach"].as_bool().unwrap_or(false),
)
.await
}
"notify" => {
self.notify(
caller,
required_str(&p, "name")?,
p.get("params").cloned().unwrap_or(json!({})),
);
Ok(Value::Null)
}
"kill" => {
let pid = required_str(&p, "pid")?;
let ended = self
.0
.state
.lock()
.unwrap()
.processes
.get(pid)
.map(|p| p.ended.subscribe());
self.kill(pid);
if let Some(mut ended) = ended {
let _ = ended.wait_for(|ended| *ended).await;
}
Ok(json!({}))
}
"stop" => {
if let Some(mut n) = self.begin_stop(required_str(&p, "pid")?) {
let _ = n.wait_for(|ended| *ended).await;
}
Ok(json!({}))
}
"lock" => {
self.lock(caller, required_str(&p, "path")?, p["wait"] != false)
.await
}
"unlock" => {
self.unlock(caller, required_str(&p, "path")?);
Ok(Value::Null)
}
"log" => Ok(self.0.journal.query(p).await),
"activate" | "revert" => self.activation(caller, method, p).await,
"restart" | "exit" => self.request_restart(),
_ => Err(error(-32601, "method not found")),
}
}
}
fn required_str<'a>(params: &'a Value, name: &str) -> Result<&'a str, Value> {
params[name]
.as_str()
.ok_or_else(|| error(-32602, &format!("{name} must be a string")))
}