diff --git a/404.html b/404.html
new file mode 100644
index 0000000..191f3f0
--- /dev/null
+++ b/404.html
@@ -0,0 +1,11 @@
+
+
+
+
+ Hello!
+
+
+ Oops!
+ Sorry, I don't know what you're asking for.
+
+
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..7ffcc81
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "rust-web-server"
+version = "0.1.0"
diff --git a/hello.html b/hello.html
new file mode 100644
index 0000000..667a078
--- /dev/null
+++ b/hello.html
@@ -0,0 +1,12 @@
+
+
+
+
+ Hello!
+
+
+
+ Hello!
+ Hi from Rust
+
+
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..f7cda45
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,90 @@
+use std::{
+ sync::{mpsc, Arc, Mutex},
+ thread,
+};
+
+pub struct ThreadPool {
+ workers: Vec,
+ sender: Option>,
+}
+
+type Job = Box;
+
+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: Some(sender),
+ }
+ }
+
+ pub fn execute(&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 {
+ println!("Shutting down worker {}", worker.id);
+
+ if let Some(thread) = worker.thread.take() {
+ thread.join().unwrap();
+ }
+ }
+ }
+}
+
+struct Worker {
+ id: usize,
+ thread: Option>,
+}
+
+impl Worker {
+ fn new(id: usize, receiver: Arc>>) -> Worker {
+ let thread = thread::spawn(move || loop {
+ match receiver.lock().unwrap().recv() {
+ Ok(job) => {
+ println!("Worker {id} got a job; executing.");
+
+ job();
+ }
+ Err(_) => {
+ println!("Worker {id} disconnected; shutting down.");
+ break;
+ }
+ }
+ });
+
+ Worker {
+ id,
+ thread: Some(thread),
+ }
+ }
+}
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..37fef1e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,42 @@
+use rust_web_server::ThreadPool;
+use std::{
+ fs,
+ io::{prelude::*, BufReader},
+ net::{TcpListener, TcpStream},
+ thread,
+ time::Duration,
+};
fn main() {
- println!("Hello, world!");
+ let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+ let pool = ThreadPool::new(4);
+
+ for stream in listener.incoming().take(2) {
+ let stream = stream.unwrap();
+
+ pool.execute(|| {
+ handle_connection(stream);
+ });
+
+ println!("Shutting down.");
+ }
+}
+
+fn handle_connection(mut stream: TcpStream) {
+ let buf_reader = BufReader::new(&mut stream);
+ let request_line = buf_reader.lines().next().unwrap().unwrap();
+
+ let (status_line, filename) = match &request_line[..] {
+ "GET / HTTP/1.1" => ("HTTP/1.1 200 OK", "hello.html"),
+ "GET /sleep HTTP/1.1" => {
+ thread::sleep(Duration::from_secs(5));
+ ("HTTP/1.1 200 OK", "hello.html")
+ }
+ _ => ("HTTP/1.1 404 NOT FOUND", "404.html"),
+ };
+ let contents = fs::read_to_string(filename).unwrap();
+ let length = contents.len();
+
+ let response = format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}");
+
+ stream.write_all(response.as_bytes()).unwrap();
}