mirror of https://github.com/LemmyNet/lemmy.git
38 lines
1.0 KiB
Rust
38 lines
1.0 KiB
Rust
use std::future::Future;
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#[tracing::instrument(skip_all)]
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pub async fn retry<F, Fut, T>(f: F) -> Result<T, reqwest_middleware::Error>
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where
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F: Fn() -> Fut,
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Fut: Future<Output = Result<T, reqwest_middleware::Error>>,
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{
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retry_custom(|| async { Ok((f)().await) }).await
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}
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#[tracing::instrument(skip_all)]
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async fn retry_custom<F, Fut, T>(f: F) -> Result<T, reqwest_middleware::Error>
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where
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F: Fn() -> Fut,
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Fut: Future<Output = Result<Result<T, reqwest_middleware::Error>, reqwest_middleware::Error>>,
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{
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let mut response: Option<Result<T, reqwest_middleware::Error>> = None;
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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(reqwest_middleware::Error::Reqwest(e)) => {
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if e.is_timeout() {
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response = Some(Err(reqwest_middleware::Error::Reqwest(e)));
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continue;
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}
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return Err(reqwest_middleware::Error::Reqwest(e));
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}
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Err(otherwise) => {
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return Err(otherwise);
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}
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}
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}
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response.expect("retry http request")
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}
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