1. Add SIGNIT graceful shutdown

1. Organize lib.rs in modules
1. Setting up basic text-file server functionality
1. Adding some test files

core/http/Cargo.lock

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+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
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+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
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+ "windows_i686_msvc 0.48.0",
+ "windows_x86_64_gnu 0.48.0",
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core/http/Cargo.toml

@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+quinn = "0.9.3"
+ctrlc = "3.2.5"

core/http/src/handlers.rs

+use std::{
+    fs,
+    io::{BufRead, BufReader, Write},
+    net::TcpStream,
+};
+
+pub fn handle_connection(mut stream: TcpStream) {
+    let buf_reader = BufReader::new(&mut stream);
+    let http_request: Vec<_> = buf_reader
+        .lines()
+        .map(|result| result.unwrap())
+        .take_while(|line| !line.is_empty())
+        .collect();
+
+    let path_elements = http_request[0]
+        .split(" ")
+        .nth(1)
+        .unwrap()
+        .split("/")
+        .filter(|&val| val != ".." && val != "")
+        .collect::<Vec<&str>>();
+    let mut path = String::from("./");
+    path.push_str(&path_elements.join("/"));
+    println!("{:?}", path_elements);
+    println!("{:?}", path);
+
+    let status_line = "HTTP/1.1 200 OK";
+    let contents = fs::read_to_string(path).unwrap_or(fs::read_to_string("404.html").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();
+}

core/http/src/lib.rs

-use std::{
-    fs,
-    io::{BufRead, BufReader, Write},
-    net::{TcpListener, TcpStream},
-    thread::available_parallelism,
-};
-
-use threading::ThreadPool;
-
 mod handlers;
 mod routing;
+mod setup;
 mod threading;
 
-pub struct Config {
-    address: TcpListener,
-    workers: usize,
-    threadpool: ThreadPool,
-}
-
-impl Config {
-    pub fn mount(self, mountpoint: &str, routes: Vec<routing::Route>) {}
-    pub fn launch(self) {
-        for stream in self.address.incoming() {
-            let stream = stream.unwrap();
-            self.threadpool.execute(|| handle_connection(stream))
-        }
-    }
-}
-
-fn handle_connection(mut stream: TcpStream) {
-    let buf_reader = BufReader::new(&mut stream);
-    let http_request: Vec<_> = buf_reader
-        .lines()
-        .map(|result| result.unwrap())
-        .take_while(|line| !line.is_empty())
-        .collect();
-
-    let status_line = "HTTP/1.1 200 OK";
-    let contents = fs::read_to_string("hello.html").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();
-}
-
-pub fn build(ip: &str) -> Config {
-    let listener = TcpListener::bind(ip).unwrap();
-    let ip = ip.splitn(2, ":").collect::<Vec<&str>>();
-    if ip.len() != 2 {
-        panic!("Invalid IP Address");
-    }
-    let port = ip[1];
-    let ip = ip[0];
-    let workers = available_parallelism().unwrap().get();
-    let threadpool = ThreadPool::new(workers);
-    println!(
-        "\x1b[34m⚙ Configuration\x1b[0m
-  >> \x1b[34mIp\x1b[0m: {ip}
-  >> \x1b[34mPort\x1b[0m: {port}
-  >> \x1b[34mWorkers\x1b[0m: {workers}
-\n
-Server has launched from {ip}:{port}.
-"
-    );
-    Config {
-        address: listener,
-        workers,
-        threadpool,
-    }
-}
+mod utils;
 
 #[cfg(test)]
 mod tests {}
+
+pub use setup::build;

core/http/src/routing.rs

-pub struct Route;
-pub struct RoutInfo;
+pub struct RoutInfo {
+    name: Option<&'static str>,
+    method: Method,
+    path: &'static str,
+    // handler: fn(Request) -> Outcome,
+    format: Option<Format>,
+    rank: Option<isize>,
+}
+
+pub struct Route {
+    name: Option<&'static str>,
+    method: Method,
+    // handler: fn(Request) -> Outcome,
+    uri: &'static str,
+    rank: isize,
+    format: Format,
+}
+
+impl Route {
+    pub fn from(routeinfo: RoutInfo) -> Self {
+        let rank = routeinfo.rank.unwrap_or(0);
+        let format = routeinfo.format.unwrap_or(Format::Plain);
+        Route {
+            name: routeinfo.name,
+            method: routeinfo.method,
+            // handler: routeinfo.handler,
+            uri: routeinfo.path,
+            rank,
+            format,
+        }
+    }
+}
+
+struct Request<'a> {
+    uri: &'a str,
+    headers: Vec<&'a str>,
+}
+
+enum Outcome<S, E, F> {
+    Success(S),
+    Failure(E),
+    Forward(F),
+}
+
+enum Method {
+    Get,
+    Head,
+    Post,
+    Put,
+    Delete,
+    Connect,
+    Options,
+    Trace,
+    Patch,
+}
+
+enum Format {
+    Json,
+    Plain,
+    Html,
+}

core/http/src/setup.rs

+use std::{
+    net::TcpListener,
+    sync::{
+        atomic::{self, AtomicBool},
+        Arc,
+    },
+    thread::available_parallelism,
+};
+
+use crate::{handlers::handle_connection, routing::Route, threading::ThreadPool};
+
+pub struct PreMountConfig {
+    address: TcpListener,
+    workers: usize,
+    threadpool: ThreadPool,
+}
+impl PreMountConfig {
+    pub fn mount(self, mountpoint: &str, routes: Vec<Route>) -> Config {
+        Config {
+            mountpoint,
+            address: self.address,
+            workers: self.workers,
+            threadpool: self.threadpool,
+            routes,
+        }
+    }
+}
+pub struct Config<'a> {
+    mountpoint: &'a str,
+    address: TcpListener,
+    workers: usize,
+    threadpool: ThreadPool,
+    routes: Vec<Route>,
+}
+
+impl Config<'_> {
+    pub fn launch(self) {
+        let running = Arc::new(AtomicBool::new(true));
+
+        // Clone a reference to `running` to pass to the signal handler closure
+        let running_for_handler = running.clone();
+
+        // Set up a signal handler for SIGINT
+        ctrlc::set_handler(move || {
+            // When the user sends a SIGINT signal (e.g. by pressing CTRL+C),
+            // set the `running` flag to false to initiate a graceful shutdown
+            println!("SIGNIT received, shutting down gracefully");
+            running_for_handler.store(false, atomic::Ordering::SeqCst);
+        })
+        .expect("Error setting Ctrl-C handler");
+
+        for stream in self.address.incoming() {
+            if !running.load(atomic::Ordering::SeqCst) {
+                break;
+            }
+            let stream = stream.unwrap();
+            self.threadpool.execute(|| handle_connection(stream))
+        }
+    }
+}
+pub fn build(ip: &str) -> PreMountConfig {
+    let listener = TcpListener::bind(ip).unwrap();
+    let ip = ip.splitn(2, ":").collect::<Vec<&str>>();
+    if ip.len() != 2 {
+        panic!("Invalid IP Address");
+    }
+    let port = ip[1];
+    let ip = ip[0];
+    let workers = available_parallelism().unwrap().get();
+    let threadpool = ThreadPool::new(workers);
+    println!(
+        "\x1b[34m⚙ Configuration\x1b[0m
+  >> \x1b[34mIp\x1b[0m: {ip}
+  >> \x1b[34mPort\x1b[0m: {port}
+  >> \x1b[34mWorkers\x1b[0m: {workers}
+\n
+Server has launched from {ip}:{port}.
+"
+    );
+    PreMountConfig {
+        address: listener,
+        workers,
+        threadpool,
+    }
+}

core/http/src/threading.rs

@@ -51,8 +51,6 @@ impl Drop for ThreadPool {
         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();
             }
@@ -71,12 +69,9 @@ impl Worker {
 
             match message {
                 Ok(job) => {
-                    println!("Worker {id} got a job; executing.");
-
                     job();
                 }
                 Err(_) => {
-                    println!("Worker {id} disconnected; shutting down.");
                     break;
                 }
             }

site/404.html

+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>404</title>
+    <link rel="stylesheet" href="/hello.css" />
+  </head>
+  <body>
+    <h1>404</h1>
+    <p>Hi from Rust</p>
+  </body>
+</html>

site/hello.css

+body {
+  background-color: #212121;
+  color: #ffffff;
+}

site/hello.html

@@ -3,6 +3,7 @@
   <head>
     <meta charset="utf-8" />
     <title>Hello!</title>
+    <link rel="stylesheet" href="/hello.css" />
   </head>
   <body>
     <h1>Hello!</h1>

site/src/main.rs

 fn main() {
-    http::build("192.168.179.2:8000").launch();
+    http::build("127.0.0.1:8000").mount("/", vec![]).launch();
 }