42 lines
1022 B
Rust
42 lines
1022 B
Rust
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use serde::Serialize;
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use std::sync::{OnceLock, RwLock};
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#[derive(Debug, Clone, Serialize)]
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pub struct InitErrorPayload {
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pub path: String,
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pub error: String,
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}
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static INIT_ERROR: OnceLock<RwLock<Option<InitErrorPayload>>> = OnceLock::new();
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fn cell() -> &'static RwLock<Option<InitErrorPayload>> {
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INIT_ERROR.get_or_init(|| RwLock::new(None))
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}
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pub fn set_init_error(payload: InitErrorPayload) {
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if let Ok(mut guard) = cell().write() {
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*guard = Some(payload);
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}
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}
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pub fn get_init_error() -> Option<InitErrorPayload> {
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cell().read().ok()?.clone()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn init_error_roundtrip() {
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let payload = InitErrorPayload {
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path: "/tmp/config.json".into(),
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error: "broken json".into(),
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};
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set_init_error(payload.clone());
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let got = get_init_error().expect("should get payload back");
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assert_eq!(got.path, payload.path);
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assert_eq!(got.error, payload.error);
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}
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}
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