added old projects

CS370/Flab-u-Less-Fitness/src/bin/main.rs

@@ -0,0 +1,46 @@
+use std::net::TcpListener;
+use std::net::TcpStream;
+use std::io::prelude::*;
+use std::fs;
+use mtr_server_app::ThreadPool;
+
+fn main() {
+    let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+    let pool = ThreadPool::new(4);
+
+    for stream in listener.incoming() {
+        let stream = stream.unwrap();
+
+        pool.execute(|| {
+            handle_connection(stream);
+        });
+    }
+}
+
+fn handle_connection(mut stream: TcpStream) {
+    let mut buffer = [0; 1024];
+    stream.read(&mut buffer).unwrap();
+
+    let request = std::str::from_utf8(&buffer).unwrap_or_default();
+    let request_line = request.lines().next().unwrap_or_default();
+    let request_parts: Vec<&str> = request_line.split_whitespace().collect();
+    if request_parts.len() < 2 {
+        return;
+    }
+
+    let requested_path = request_parts[1];
+    let mut path = format!("public{}", requested_path);
+    let status_line = if fs::metadata(&path).is_ok() {
+        "HTTP/1.1 200 OK"
+    } else {
+        path = "./public/404.html".to_string();
+        "HTTP/1.1 404 NOT FOUND"
+    };
+
+    let contents = fs::read_to_string(&path).unwrap_or_else(|_| "Error loading file".to_string());
+
+    let response = format!("{}\r\nContent-Length: {}\r\n\r\n{}", status_line, contents.len(), contents);
+    
+    stream.write(response.as_bytes()).unwrap();
+    stream.flush().unwrap();
+}

CS370/Flab-u-Less-Fitness/src/lib.rs

@@ -0,0 +1,98 @@
+use std::thread;
+use std::sync::mpsc;
+use std::sync::Arc;
+use std::sync::Mutex;
+
+enum Message {
+    NewJob(Job),
+    Terminate
+}
+
+pub struct ThreadPool {
+    workers: Vec<Worker>,
+    sender: mpsc::Sender<Message>
+}
+
+type Job = Box<dyn FnOnce() + Send + 'static>;
+
+impl ThreadPool {
+    /// Create a new ThreadPool.
+    ///
+    /// The size is the number of threads in the pool.
+    ///
+    /// # Panics
+    ///
+    /// The `new` function will panic if the 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(Worker::new(id, Arc::clone(&receiver)));
+        }
+
+        ThreadPool{workers, sender}
+    }
+    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) {
+        println!("Sending terminate message to all workers.");
+
+        for _ in &self.workers {
+            self.sender.send(Message::Terminate).unwrap();
+        }
+
+        for worker in &mut self.workers {
+            println!("Shutting down Worker {}", worker.id);
+
+            // worker.thread.join().unwrap();
+            if let Some(thread) = worker.thread.take() {
+                thread.join().unwrap();
+            }
+        }
+    }
+}
+
+struct Worker {
+    id: usize,
+    thread: Option<thread::JoinHandle<()>>
+}
+
+impl Worker {
+    fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Message>>>) -> Worker {
+        let thread = thread::spawn(move || loop {
+            let message = receiver.lock().unwrap().recv().unwrap();
+
+            // println!("Worker {} got a job. Executing...", id);
+            match message {
+                Message::NewJob(job) => {
+                    println!("Worker {} got a job. Executing...", id);
+                    job();
+                }
+                Message::Terminate => {
+                    println!("Worker {} was told to terminate.", id);
+                    break;
+                }
+            }
+        });
+
+        Worker {
+            id,
+            thread: Some(thread),
+        }
+    }
+}
+