Removed unnecessary locks dashmaps

src/utils/compare.rs

@@ -1,9 +1,8 @@
 use crate::utils::tools::*;
 use std::collections::HashSet;
-use tokio::sync::RwLockReadGuard;
 
 // #[allow(dead_code)]
-pub fn dm(map1: &RwLockReadGuard<UpstreamMap>, map2: &UpstreamMap) -> bool {
+pub fn dm(map1: &UpstreamMap, map2: &UpstreamMap) -> bool {
     if map1.len() != map2.len() {
         return false; // Different number of keys
     }

src/utils/healthcheck.rs

@@ -3,10 +3,9 @@ use dashmap::DashMap;
 use std::sync::atomic::AtomicUsize;
 use std::sync::Arc;
 use std::time::Duration;
-use tokio::sync::RwLock;
 use tokio::time::interval;
 
-pub async fn hc(upslist: Arc<RwLock<UpstreamMap>>, fullist: Arc<RwLock<UpstreamMap>>) {
+pub async fn hc(upslist: Arc<UpstreamMap>, fullist: Arc<UpstreamMap>) {
     let mut period = interval(Duration::from_secs(2));
 
     loop {
@@ -18,8 +17,7 @@ pub async fn hc(upslist: Arc<RwLock<UpstreamMap>>, fullist: Arc<RwLock<UpstreamM
                 // println!("\nElapsed dash: {:.2?}", before.elapsed());
                 // let before = Instant::now();
                 {
-                    let full = fullist.read().await;
-                    for v in full.iter() {
+                    for v in fullist.iter() {
                         fclone.insert(v.key().clone(), (v.value().0.clone(), AtomicUsize::new(0)));
                     }
                 } // lock releases when scope ends
@@ -43,16 +41,15 @@ pub async fn hc(upslist: Arc<RwLock<UpstreamMap>>, fullist: Arc<RwLock<UpstreamM
                 }
                 // let before = Instant::now();
                 {
-                    let upsl = upslist.read().await;
-                    if !crate::utils::compare::dm(&upsl, &totest) {
+                    if !crate::utils::compare::dm(&upslist, &totest) {
                         println!("Dashmaps not matched, synchronizing");
-                        upsl.clear();
+                        upslist.clear();
                         for (k, v) in totest { // loop takes the ownership
                             println!("Host: {}", k);
                             for vv in &v.0 {
                                 println!("   :===> {:?}", vv);
                             }
-                            upsl.insert(k, v);
+                            upslist.insert(k, v);
                         }
                     }
                 }

src/web/proxyhttp.rs

@@ -13,12 +13,11 @@ use pingora_http::{RequestHeader, ResponseHeader};
 use pingora_proxy::{ProxyHttp, Session};
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;
-use tokio::sync::RwLock;
 // use tokio::time::Instant;
 
 pub struct LB {
-    pub upstreams: Arc<RwLock<UpstreamMap>>,
-    pub umap_full: Arc<RwLock<UpstreamMap>>,
+    pub upstreams: Arc<UpstreamMap>,
+    pub umap_full: Arc<UpstreamMap>,
 }
 
 #[async_trait]
@@ -49,31 +48,21 @@ impl BackgroundService for LB {
                 val = rx.next() => {
                     match val {
                         Some(newmap) => {
-                            let umap_work = self.upstreams.read().await;
-                            let umap_full = self.umap_full.read().await;
-                            match compare::dm(&umap_full, &newmap) {
+                            match compare::dm(&self.umap_full, &newmap) {
                                 false => {
-                                    drop(umap_full);
-                                    drop(umap_work);
-                                    let work = self.upstreams.write().await;
-                                    let full = self.umap_full.write().await;
-                                    work.clear();
-                                    full.clear();
+                                    self.upstreams.clear();
+                                    self.umap_full.clear();
                                     for (k,v) in newmap {
                                         println!("Host: {}", k);
                                         // <UpstreamMap
                                         for vv in v.0.clone() {
                                             println!("   ===> {:?}", vv);
                                         }
-                                        work.insert(k.clone(), (v.0.clone(), AtomicUsize::new(0))); // No need for extra vec!
-                                        full.insert(k, (v.0, AtomicUsize::new(0))); // Use `value.0` directly
+                                        self.upstreams.insert(k.clone(), (v.0.clone(), AtomicUsize::new(0))); // No need for extra vec!
+                                        self.umap_full.insert(k, (v.0, AtomicUsize::new(0))); // Use `value.0` directly
                                     }
-                                    drop(full);
-                                    drop(work);
                                 }
                                 true => {
-                                    drop(umap_full);
-                                    drop(umap_work);
                                 }
                             }
                         }
@@ -92,8 +81,7 @@ pub trait GetHost {
 #[async_trait]
 impl GetHost for LB {
     async fn get_host(&self, peer: &str) -> Option<(String, u16)> {
-        let map_read = self.upstreams.read().await;
-        let x = if let Some(entry) = map_read.get(peer) {
+        let x = if let Some(entry) = self.upstreams.get(peer) {
             let (servers, index) = entry.value();
             if servers.is_empty() {
                 return None;
@@ -104,7 +92,6 @@ impl GetHost for LB {
         } else {
             None
         };
-        drop(map_read);
         x
     }
 }

src/web/start.rs

@@ -4,7 +4,6 @@ use dashmap::DashMap;
 use pingora_core::prelude::background_service;
 use pingora_core::server::Server;
 use std::sync::Arc;
-use tokio::sync::RwLock;
 
 pub fn run() {
     env_logger::init();
@@ -13,10 +12,10 @@ pub fn run() {
     server.bootstrap();
 
     let upstreams_map: UpstreamMap = DashMap::new();
-    let config = Arc::new(RwLock::new(upstreams_map));
+    let config = Arc::new(upstreams_map);
 
     let umap_full: UpstreamMap = DashMap::new();
-    let fconfig = Arc::new(RwLock::new(umap_full));
+    let fconfig = Arc::new(umap_full);
 
     let lb = LB {
         upstreams: config.clone(),