fix cpu leak

Cargo.lock

@@ -10,10 +10,11 @@ checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
 
 [[package]]
 name = "ezhttp"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "futures",
  "serde_json",
+ "threadpool",
  "urlencoding",
 ]
 
@@ -106,18 +107,40 @@ dependencies = [
  "slab",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+
 [[package]]
 name = "itoa"
 version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "libc"
+version = "0.2.155"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "num_cpus"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.14"
@@ -205,6 +228,15 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "threadpool"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
+dependencies = [
+ "num_cpus",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ezhttp"
-version = "0.1.2"
+version = "0.1.3"
 edition = "2021"
 
 repository = "https://github.com/MeexReay/ezhttp"
@@ -13,3 +13,4 @@ keywords = ["http", "server", "site"]
 urlencoding = "2.1.3"
 serde_json = "1.0"
 futures = "0.3.30"
+threadpool = "1.8.1"

src/lib.rs

@@ -1,22 +1,18 @@
 use futures::executor::block_on;
 use serde_json::Value;
-use std::collections::HashMap;
-use std::io::{Read, Write};
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::time::Duration;
 use std::{
     boxed::Box,
     error::Error,
     fmt::{Debug, Display},
     future::Future,
-    net::{IpAddr, SocketAddr, ToSocketAddrs},
+    net::{IpAddr, SocketAddr, ToSocketAddrs, TcpListener, TcpStream},
-    sync::Arc,
+    sync::{Arc, atomic::{AtomicBool, Ordering}, Mutex},
     thread,
+    io::{Read, Write},
+    time::Duration,
+    collections::HashMap
 };
-use std::{
+use threadpool::ThreadPool;
-    net::{TcpListener, TcpStream},
-    sync::{mpsc, Mutex},
-};
 
 /// Http headers
 #[derive(Clone, Debug)]
@@ -711,7 +707,7 @@ impl<T: HttpServer + Send + 'static> HttpServerStarter<T> {
 
     /// Set threads in threadpool and return builder
     ///
-    /// 0 threads means that a new thread is created for each connection
+    /// 0 threads means that a new thread is created for each connection \
     /// 1 thread means that all connections are processed in the main thread
     pub fn threads(mut self, threads: usize) -> Self {
         self.threads = threads;
@@ -740,7 +736,7 @@ impl<T: HttpServer + Send + 'static> HttpServerStarter<T> {
 
     /// Get threads in threadpool
     ///
-    /// 0 threads means that a new thread is created for each connection
+    /// 0 threads means that a new thread is created for each connection \
     /// 1 thread means that all connections are processed in the main thread
     pub fn get_threads(&self) -> usize {
         self.threads
@@ -851,8 +847,6 @@ where
     let server_clone = server.clone();
     block_on(server_clone.lock().unwrap().on_start(&host_clone));
 
-    listener.set_nonblocking(true)?;
-
     while running.load(Ordering::Acquire) {
         let (sock, _) = match listener.accept() {
             Ok(i) => i,
@@ -992,65 +986,6 @@ fn handle_connection_rrs<S: HttpServer + Send + 'static>(
     resp.write(&mut sock).unwrap();
 }
 
-type Job = Box<dyn FnOnce() + Send + 'static>;
-
-struct ThreadPool {
-    workers: Vec<Worker>,
-    sender: mpsc::Sender<Option<Job>>,
-}
-
-impl ThreadPool {
-    fn new(size: usize) -> ThreadPool {
-        assert!(size > 0);
-
-        let (sender, receiver) = mpsc::channel();
-        let receiver = Arc::new(Mutex::new(receiver));
-
-        let mut workers = Vec::with_capacity(size);
-
-        for _ in 0..size {
-            workers.push(Worker::new(Arc::clone(&receiver)));
-        }
-
-        ThreadPool { workers, sender }
-    }
-
-    fn join(self) {
-        for _ in 0..self.workers.len() {
-            self.sender.send(None).unwrap();
-        }
-
-        for ele in self.workers.into_iter() {
-            ele.thread.join().unwrap();
-        }
-    }
-
-    fn execute<F>(&self, f: F)
-    where
-        F: FnOnce() + Send + 'static,
-    {
-        let job = Box::new(f);
-
-        self.sender.send(Some(job)).unwrap();
-    }
-}
-
-struct Worker {
-    thread: thread::JoinHandle<()>,
-}
-
-impl Worker {
-    fn new(receiver: Arc<Mutex<mpsc::Receiver<Option<Job>>>>) -> Worker {
-        let thread = thread::spawn(move || {
-            while let Ok(Some(job)) = receiver.lock().unwrap().recv() {
-                job();
-            }
-        });
-
-        Worker { thread }
-    }
-}
-
 /// Start [`HttpServer`](HttpServer) on some host
 ///
 /// Use [`HttpServerStarter`](HttpServerStarter) to set more options

src/main.rs

@@ -20,8 +20,8 @@ impl HttpServer for EzSite {
         if req.page == "/" {
             Some(HttpResponse::from_string(
                 Headers::from(vec![("Content-Type", "text/html")]), // response headers
-                "200 OK",                                           // response status code
+                "200 OK",                              // response status code
-                self.index_page.clone(),                            // response body
+                self.index_page.clone(),                      // response body
             ))
         } else {
             None // close connection