threadpool sync and async my head is made from tin cans

Cargo.lock

@@ -84,8 +84,10 @@ checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
 name = "ezhttp"
 version = "0.1.6"
 dependencies = [
+ "lazy_static",
  "rusty_pool",
  "serde_json",
+ "threadpool",
  "tokio",
  "tokio-io-timeout",
  "urlencoding",
@@ -198,6 +200,12 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.155"
@@ -436,6 +444,15 @@ 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 = "tokio"
 version = "1.40.0"

Cargo.toml

@@ -15,6 +15,8 @@ serde_json = "1.0.128"
 tokio = { version = "1.40.0", features = ["full"] }
 rusty_pool = "0.7.0"
 tokio-io-timeout = "1.2.0"
+threadpool = "1.8.1"
+lazy_static = "1.5.0"
 
 [features]
-http_rrs = []
+http_rrs = []

src/ezhttp/handler.rs

@@ -39,6 +39,7 @@ pub async fn handler_connection<S: HttpServer + Send + 'static + Sync>(
             return;
         },
     }
+
 }
 
 #[macro_export]

src/ezhttp/mod.rs

@@ -8,9 +8,10 @@ use std::{
 };
 
 use tokio::io::AsyncReadExt;
-use rusty_pool::ThreadPool;
+use threadpool::ThreadPool;
 use tokio::net::{TcpListener, TcpStream};
 use tokio::runtime::Runtime;
+use tokio::sync::OnceCell;
 use tokio_io_timeout::TimeoutStream;
 
 pub mod error;
@@ -86,12 +87,14 @@ async fn start_server_with_threadpool<T>(
     running: Arc<AtomicBool>,
 ) -> Result<(), Box<dyn Error>>
 where
-    T: HttpServer + Send + 'static,
+    T: HttpServer + Send + 'static + Sync,
 {
-    let threadpool = ThreadPool::new(threads, threads * 10, Duration::from_secs(60));
+    let threadpool = ThreadPool::new(threads);
+
     let server = Arc::new(server);
     let listener = TcpListener::bind(host).await?;
-
+    let handler = Arc::new(OnceCell::new_with(Some(handler)));
+    
     let host_clone = String::from(host).clone();
     let server_clone = server.clone();
     server_clone.on_start(&host_clone).await;
@@ -105,7 +108,8 @@ where
 
         let now_server = Arc::clone(&server);
 
-        threadpool.spawn_await((&handler)(now_server, sock));
+        let handler_clone = handler.clone();
+        threadpool.execute(move || {Runtime::new().unwrap().block_on((&handler_clone.get().unwrap())(now_server, sock))});
     }
 
     threadpool.join();
@@ -141,7 +145,7 @@ where
 
         let now_server = Arc::clone(&server);
 
-        Runtime::new().unwrap().spawn((&handler)(now_server, sock));
+        tokio::spawn((&handler)(now_server, sock));
     }
 
     server.on_close().await;