you ever get bored and just write a raw TCP HTTP server

src/lib.rs

@@ -1,4 +1,87 @@
+use std::{sync::{mpsc, Arc, Mutex}, thread};
+
 pub mod leb128;
 pub mod status;
-
+pub mod http;
 pub use status::MinecraftStatus;
+
+pub struct ThreadPool {
+    workers: Vec<ThreadWorker>,
+    sender: Option<mpsc::Sender<Job>>,
+}
+
+type Job = Box<dyn FnOnce() + Send + 'static>;
+
+impl ThreadPool {
+    // Create a new ThreadPool with `size` available threads.
+    //
+    // # Panics
+    //
+    // `new` will panic if `size` is zero.
+    pub 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 id in 0..size {
+            workers.push(ThreadWorker::new(id, Arc::clone(&receiver)));
+        }
+
+        ThreadPool {
+            workers,
+            sender: Some(sender)
+        }
+    }
+
+    pub fn execute<F>(&self, f: F)
+    where
+        F: FnOnce() + Send + 'static
+    {
+        let job = Box::new(f);
+
+        self.sender.as_ref().unwrap().send(job).unwrap();
+    }
+}
+
+impl Drop for ThreadPool {
+    fn drop(&mut self) {
+        drop(self.sender.take());
+
+        for worker in &mut self.workers.drain(..) {
+            println!("Shutting down worker {}", worker.id);
+
+            worker.thread.join().unwrap();
+        }
+    }
+}
+
+struct ThreadWorker {
+    id: usize,
+    thread: thread::JoinHandle<()>,
+}
+
+impl ThreadWorker {
+    fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> ThreadWorker {
+        let thread = thread::spawn(move || loop {
+            let msg = receiver.lock().unwrap().recv();
+
+            match msg {
+                Ok(job) => {
+                    // println!("Job received by worker {id}");
+                    job();
+                }
+                Err(_) => {
+                    // println!("Worker {id} disconnected. Shutting down...");
+                    break;
+                }
+            }
+        });
+
+        ThreadWorker { id, thread }
+    }    
+}
+