diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..5ae25eb
--- /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-webserver"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..cbd6b9d
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rust-webserver"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[profile.release]
+lto = true
+strip = true
+panic = "abort"
+codegen-units = 1
diff --git a/README.md b/README.md
index 822ec69..4585bf1 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,13 @@
# rust-webserver
-Very basic multithreaded TCP server in Rust
\ No newline at end of file
+Very basic multithreaded TCP server in Rust.
+
+See `src/main.rs`. Server will listen for a certain number of connections on a
+given TCP port, and then gracefully exit.
+
+This project is taken from The Rust Book.
+
+**Run:**
+```
+cargo run --release
+```
diff --git a/html/404.html b/html/404.html
new file mode 100644
index 0000000..f0a0add
--- /dev/null
+++ b/html/404.html
@@ -0,0 +1,11 @@
+
+
+
+
+ Error!
+
+
+ Oops!
+ Sorry, I don't know what you're asking for.
+
+
diff --git a/html/index.html b/html/index.html
new file mode 100644
index 0000000..801f275
--- /dev/null
+++ b/html/index.html
@@ -0,0 +1,11 @@
+
+
+
+
+ Welcome!
+
+
+ Hello!
+ Hi from Rust
+
+
diff --git a/html/slow.html b/html/slow.html
new file mode 100644
index 0000000..fa20a91
--- /dev/null
+++ b/html/slow.html
@@ -0,0 +1,11 @@
+
+
+
+
+ That took a while
+
+
+ Hi
+ You just waited 5secs to see this page.
+
+
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..459f740
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,103 @@
+use std::{
+ fmt::Display,
+ thread,
+ error::Error,
+ sync::{
+ mpsc,
+ Arc,
+ Mutex,
+ },
+};
+
+pub struct ThreadPool {
+ workers: Vec,
+ sender: Option>,
+}
+
+type Job = Box;
+
+struct Worker {
+ id: usize,
+ thread: Option>,
+}
+
+impl Worker {
+ fn new(id: usize, receiver: Arc>>) -> Worker {
+ Worker { id, thread: Some(thread::spawn(move || {
+ loop {
+ match (*receiver).lock().unwrap().recv() {
+ Ok(job) => {
+ println!("Worker {} got a job... running.", id);
+ job();
+ },
+ Err(_) => {
+ println!("Worker {} stopping.", id);
+ break;
+ },
+ }
+ }
+ }))}
+ }
+}
+
+#[derive(Debug)]
+pub enum ThreadPoolError {
+ ZeroSize
+}
+
+impl Error for ThreadPoolError {
+ fn description(&self) -> &str {
+ match *self {
+ ThreadPoolError::ZeroSize => "ZeroPoolSize",
+ }
+ }
+}
+
+impl Display for ThreadPoolError {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match *self {
+ ThreadPoolError::ZeroSize =>
+ f.write_str("Thread pool size is zero"),
+ }
+ }
+}
+
+impl ThreadPool {
+ pub fn new(size: usize) -> Result {
+ if size == 0 {
+ return Err(ThreadPoolError::ZeroSize);
+ }
+
+ let mut workers: Vec = Vec::with_capacity(size);
+ let (sender, receiver) = mpsc::channel();
+
+ let receiver = Arc::new(Mutex::new(receiver));
+
+ for i in 0..size {
+ workers.push(Worker::new(i, Arc::clone(&receiver)));
+ }
+
+ Ok(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();
+ }
+ }
+ }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..ed5a5e4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,62 @@
+use std::{
+ net::{TcpListener, TcpStream},
+ io::{prelude::*, BufReader},
+ fs,
+ thread,
+ time::Duration,
+};
+
+use rust_webserver::ThreadPool;
+
+fn parse_request(stream: &TcpStream) -> Vec{
+ let buf_reader = BufReader::new(stream);
+
+ buf_reader
+ .lines()
+ .map(|result| result.unwrap())
+ .take_while(|line| !line.is_empty())
+ .collect()
+}
+
+fn generate_reposne(request: &Vec) -> String {
+ let request_header = (*(request.first().unwrap())).clone();
+
+ let (status, file) =
+ match &request_header[..] {
+ "GET / HTTP/1.1" => ("HTTP/1.1 200 OK", "html/index.html"),
+ "GET /sleep HTTP/1.1" => {
+ thread::sleep(Duration::from_secs(5));
+ ("HTTP/1.1 200 OK", "html/slow.html")
+ },
+ _ => ("HTTP/1.1 404 NOT FOUND", "html/404.html")
+ };
+
+ let contents = fs::read_to_string(file).unwrap();
+ let len = contents.len();
+ format!("{status}\r\nContent-Length: {len}\r\n\r\n{contents}")
+}
+
+fn handle_connection(mut stream: TcpStream) {
+ let request = parse_request(&stream);
+ let response = generate_reposne(&request);
+
+ stream.write_all(response.as_bytes()).unwrap();
+}
+
+fn main() {
+ let port = 7878;
+ let connections = 3;
+ let listener = TcpListener::bind(format!("127.0.0.1:{}", port)).unwrap();
+
+ let pool = ThreadPool::new(10).unwrap();
+
+ println!("Listening for {} connnections on port {}", connections, port);
+ for stream in listener.incoming().take(connections) {
+ let stream = stream.unwrap();
+
+ pool.execute(|| {
+ handle_connection(stream);
+ });
+
+ }
+}