53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
use crate::LemmyError;
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use anyhow::anyhow;
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use std::future::Future;
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use thiserror::Error;
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#[derive(Clone, Debug, Error)]
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#[error("Error sending request, {0}")]
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struct SendError(pub String);
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#[derive(Clone, Debug, Error)]
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#[error("Error receiving response, {0}")]
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pub struct RecvError(pub String);
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pub async fn retry<F, Fut, T>(f: F) -> Result<T, LemmyError>
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where
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F: Fn() -> Fut,
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Fut: Future<Output = Result<T, actix_web::client::SendRequestError>>,
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{
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retry_custom(|| async { Ok((f)().await) }).await
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}
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pub async fn retry_custom<F, Fut, T>(f: F) -> Result<T, LemmyError>
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where
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F: Fn() -> Fut,
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Fut: Future<Output = Result<Result<T, actix_web::client::SendRequestError>, LemmyError>>,
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{
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let mut response = Err(anyhow!("connect timeout").into());
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for _ in 0u8..3 {
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match (f)().await? {
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Ok(t) => return Ok(t),
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Err(e) => {
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if is_connect_timeout(&e) {
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response = Err(SendError(e.to_string()).into());
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continue;
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}
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return Err(SendError(e.to_string()).into());
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}
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}
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}
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response
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}
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fn is_connect_timeout(e: &actix_web::client::SendRequestError) -> bool {
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if let actix_web::client::SendRequestError::Connect(e) = e {
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if let actix_web::client::ConnectError::Timeout = e {
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return true;
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}
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}
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false
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}
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