fix u64 overflow bug

CHANGELOG.md

@@ -7,6 +7,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [Unreleased]
 
 ### Added
+
+## [v4.2.4] - 2022-05-05
+
+### Changed
+ - Fixed the bug: when a query is timed out, the sleep time was not being reset due to u64 overflow.
+
 ## [v4.2.3] - 2022-04-07
 
 ### Added

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "tsample"
-version = "4.2.3"
+version = "4.2.4"
 authors = ["xudesheng <[email protected]>"]
 edition = "2021"
 readme = "README.md"

src/twxquery.rs

@@ -178,8 +178,9 @@ pub async fn launch_twxquery_service(
             break;
         }
         let spent_time = SystemTime::now().duration_since(start_time).unwrap();
-        let sleep_time = scrap_interval * 1000 - spent_time.as_millis() as u64;
-        if sleep_time > 0 {
+
+        if scrap_interval * 1000 > spent_time.as_millis() as u64 {
+            let sleep_time = scrap_interval * 1000 - spent_time.as_millis() as u64;
             log::info!("sleep {} seconds", sleep_time/1000);
             sleeping.store(true, Ordering::SeqCst);
             tokio::time::sleep(std::time::Duration::from_millis(sleep_time)).await;