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Rework of the verifier. Now tasks are no more spawned like crazy
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| use crate::rpc_pool::verify_endpoint; | ||
| use crate::Web3RpcPool; | ||
| use futures_util::future; | ||
| use parking_lot::Mutex; | ||
| use std::sync::Arc; | ||
| use std::time::Duration; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct EndpointsVerifier { | ||
| pub last_verify: Arc<Mutex<Option<std::time::Instant>>>, | ||
| pub is_finished: Arc<Mutex<bool>>, | ||
| pub verify_handle: Arc<Mutex<Option<tokio::task::JoinHandle<()>>>>, | ||
| } | ||
|
|
||
| impl Default for EndpointsVerifier { | ||
| fn default() -> Self { | ||
| Self::new() | ||
| } | ||
| } | ||
| impl EndpointsVerifier { | ||
| pub fn new() -> Self { | ||
| Self { | ||
| last_verify: Arc::new(Mutex::new(None)), | ||
| is_finished: Arc::new(Mutex::new(false)), | ||
| verify_handle: Arc::new(Mutex::new(None)), | ||
| } | ||
| } | ||
| pub fn is_finished(&self) -> bool { | ||
| *self | ||
| .is_finished | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap() | ||
| } | ||
| pub fn get_join_handle(&self) -> Option<tokio::task::JoinHandle<()>> { | ||
| self.verify_handle | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap() | ||
| .take() | ||
| } | ||
|
|
||
| pub fn start_verify_if_needed(self: &Arc<Self>, pool: Arc<Web3RpcPool>) { | ||
| let mut last_verify = self | ||
| .last_verify | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap(); | ||
| if let Some(last_verify) = last_verify.as_ref() { | ||
| if last_verify.elapsed() < pool.check_external_sources_interval { | ||
| log::debug!( | ||
| "Last external check was less than check_external_sources_interval ago" | ||
| ); | ||
| return; | ||
| } | ||
| } | ||
| last_verify.replace(std::time::Instant::now()); | ||
| //spawn async task and return immediately | ||
| let pool = pool.clone(); | ||
| let self_cloned = self.clone(); | ||
| let h = tokio::spawn(async move { | ||
| log::error!("Starting external resolver"); | ||
| self_cloned | ||
| .clone() | ||
| .verify_unverified_endpoints(pool.clone()) | ||
| .await; | ||
| *self_cloned | ||
| .is_finished | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap() = true; | ||
| }); | ||
| self.verify_handle | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap() | ||
| .replace(h); | ||
| } | ||
|
|
||
| async fn verify_unverified_endpoints(self: Arc<EndpointsVerifier>, pool: Arc<Web3RpcPool>) { | ||
| let _guard = pool.verify_mutex.lock().await; | ||
| let futures = { | ||
| let endpoints_copy = pool | ||
| .endpoints | ||
| .try_lock_for(Duration::from_secs(5)) | ||
| .unwrap() | ||
| .clone(); | ||
|
|
||
| let mut futures = Vec::new(); | ||
| for (_idx, endp) in endpoints_copy { | ||
| { | ||
| if endp | ||
| .try_read_for(Duration::from_secs(5)) | ||
| .unwrap() | ||
| .is_removed() | ||
| { | ||
| continue; | ||
| } | ||
| } | ||
| futures.push(verify_endpoint(pool.chain_id, endp.clone())); | ||
| } | ||
| futures | ||
| }; | ||
|
|
||
| future::join_all(futures).await; | ||
| } | ||
| } |
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