From 67cdcc2e12118becb823e20a40cc2687f2b8425a Mon Sep 17 00:00:00 2001
From: Adam Carpenter <53hornet@gmail.com>
Date: Wed, 27 Mar 2019 15:32:37 -0400
Subject: Started Rust in Action MEAP.

---
 hello_server/src/lib.rs | 117 ------------------------------------------------
 1 file changed, 117 deletions(-)
 delete mode 100644 hello_server/src/lib.rs

(limited to 'hello_server/src/lib.rs')

diff --git a/hello_server/src/lib.rs b/hello_server/src/lib.rs
deleted file mode 100644
index cd1f616..0000000
--- a/hello_server/src/lib.rs
+++ /dev/null
@@ -1,117 +0,0 @@
-use std::sync::Arc;
-use std::sync::Mutex;
-use std::sync::mpsc;
-use std::thread;
-
-enum Message {
-    NewJob(Job),
-    Terminate,
-}
-
-trait FnBox {
-    fn call_box(self: Box<Self>);
-}
-
-impl <F: FnOnce()> FnBox for F {
-    fn call_box(self: Box<F>) {
-        (*self)()
-    }
-}
-
-type Job = Box<FnBox + Send + 'static>;
-
-pub struct ThreadPool {
-    workers: Vec<Worker>,
-    sender: mpsc::Sender<Message>,
-}
-
-impl ThreadPool {
-    pub fn new(size: usize) -> Result<ThreadPool, &'static str> {
-        if size <= 0 {
-            return Err("failed to create pool");
-        }
-
-        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(Worker::new(id, Arc::clone(&receiver))?);
-        }
-
-        Ok(ThreadPool {
-            workers,
-            sender,
-        })
-    }
-
-    pub fn spawn<F, T>(f: F) -> thread::JoinHandle<T>
-        where
-            F: FnOnce() -> T + Send + 'static,
-            T: Send + 'static
-    {
-        thread::spawn(f)
-    }
-
-    pub fn execute<F>(&self, f: F) 
-        where 
-            F: FnOnce() + Send + 'static 
-    {
-        let job = Box::new(f);
-        self.sender.send(Message::NewJob(job)).unwrap();
-    }
-
-}
-
-impl Drop for ThreadPool {
-    fn drop(&mut self) {
-        for _ in &mut self.workers {
-            self.sender.send(Message::Terminate).unwrap();
-        }
-
-        println!("shutting down all workers...");
-
-        for worker in &mut self.workers {
-            println!("shutting down worker {}", worker.id);
-
-            if let Some(thread) = worker.thread.take() {
-                thread.join().unwrap();
-            }
-        }
-    }
-}
-
-struct Worker {
-    id: usize,
-    thread: Option<thread::JoinHandle<()>>,
-}
-
-impl Worker {
-    pub fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Message>>>)
-        -> Result<Worker, &'static str>
-    {
-        let thread = thread::spawn(move || { 
-            loop {
-                let message = receiver.lock().unwrap().recv().unwrap();
-
-                match message {
-                    Message::NewJob(job) => {
-                        println!("worker {} got job, executing...", id);
-                        job.call_box();
-                    },
-                    Message::Terminate => {
-                        println!("worker {} was told to terminate...", id);
-                        break;
-                    },
-                }
-            }
-        });
-
-        Ok(Worker {
-            id,
-            thread: Some(thread),
-        })
-    }
-}
-- 
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