use lib.rs

src/lib.rs

@@ -0,0 +1,53 @@
+use async_std::{
+    fs,
+    io::BufReader,
+    net::{TcpListener, TcpStream, ToSocketAddrs},
+    prelude::*,
+    task,
+};
+
+type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
+
+pub fn start_server(addr: impl ToSocketAddrs) -> Result<()> {
+    let fut = listen(addr);
+    task::block_on(fut)
+}
+
+async fn listen(addr: impl ToSocketAddrs) -> Result<()> {
+    let listener = TcpListener::bind(addr).await?;
+    let mut incoming = listener.incoming();
+    while let Some(stream) = incoming.next().await {
+        let stream = stream?;
+        println!("-> Connection from: {}", stream.peer_addr()?);
+        task::spawn(client_loop(stream));
+    }
+    Ok(())
+}
+
+async fn client_loop(mut stream: TcpStream) -> Result<()> {
+    let reader = BufReader::new(&stream);
+    let mut lines = reader.lines();
+
+    if let Some(Ok(line)) = lines.next().await {
+        println!("-> client sent: {:?}", line);
+        respond(&mut stream, &line).await?;
+    }
+    Ok(())
+}
+
+async fn respond(stream: &mut TcpStream, selector: &str) -> Result<()> {
+    let mut response = format!("iYou sent: {}\r\n", selector);
+
+    let mut dir = fs::read_dir(".").await?;
+
+    while let Some(Ok(entry)) = dir.next().await {
+        response.push_str(&format!(
+            "1{}\t/{}\tlocalhost\t7070\r\n",
+            entry.file_name().into_string().unwrap(),
+            entry.file_name().into_string().unwrap(),
+        ));
+    }
+
+    stream.write_all(response.as_bytes()).await?;
+    Ok(())
+}

src/main.rs

@@ -1,60 +1,8 @@
-#![allow(unused_must_use)]
-
-extern crate async_std;
-
-use async_std::{
-    fs,
-    io::BufReader,
-    net::{TcpListener, TcpStream, ToSocketAddrs},
-    prelude::*,
-    task,
-};
-
-type Result<T> = std::result::Result<T, Box<dyn std::error::Error + Send + Sync>>;
+use phd;
 
 fn main() {
     println!("-> Listening on localhost:7070");
-    let fut = listen("localhost:7070");
-    if let Err(e) = task::block_on(fut) {
+    if let Err(e) = phd::start_server("localhost:7070") {
         eprintln!("{}", e);
     }
 }
-
-async fn listen(addr: impl ToSocketAddrs) -> Result<()> {
-    let listener = TcpListener::bind(addr).await?;
-    let mut incoming = listener.incoming();
-    while let Some(stream) = incoming.next().await {
-        let stream = stream?;
-        println!("-> Connection from: {}", stream.peer_addr()?);
-        task::spawn(client_loop(stream));
-    }
-    Ok(())
-}
-
-async fn client_loop(mut stream: TcpStream) -> Result<()> {
-    let reader = BufReader::new(&stream);
-    let mut lines = reader.lines();
-
-    if let Some(Ok(line)) = lines.next().await {
-        println!("-> client sent: {:?}", line);
-        respond(&mut stream, &line).await?;
-    }
-    Ok(())
-}
-
-async fn respond(stream: &mut TcpStream, selector: &str) -> Result<()> {
-    let mut response = format!("iYou sent: {}\r\n", selector);
-
-    let mut dir = fs::read_dir(".").await?;
-
-    while let Some(Ok(entry)) = dir.next().await {
-        response.push_str(&format!(
-            "1{}\t/{}\tlocalhost\t7070\r\n",
-            entry.file_name().into_string().unwrap(),
-            entry.file_name().into_string().unwrap(),
-        ));
-    }
-
-    stream.write_all(response.as_bytes()).await?;
-    Ok(())
-}