rust-lang · tmandry · Sep 16, 2020 · Aug 31, 2020 · Aug 31, 2020 · Aug 31, 2020
diff --git a/examples/01_05_http_server/Cargo.toml b/examples/01_05_http_server/Cargo.toml
diff --git a/examples/01_05_http_server/src/lib.rs b/examples/01_05_http_server/src/lib.rs
diff --git a/examples/08_01_sync_tcp_server/404.html b/examples/08_01_sync_tcp_server/404.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Hello!</title>
+  </head>
+  <body>
+    <h1>Oops!</h1>
+    <p>Sorry, I don't know what you're asking for.</p>
+  </body>
+</html>
diff --git a/examples/08_01_sync_tcp_server/Cargo.toml b/examples/08_01_sync_tcp_server/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "sync_tcp_server"
+version = "0.1.0"
+authors = ["Your Name <[email protected]"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/examples/08_01_sync_tcp_server/hello.html b/examples/08_01_sync_tcp_server/hello.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Hello!</title>
+  </head>
+  <body>
+    <h1>Hello!</h1>
+    <p>Hi from Rust</p>
+  </body>
+</html>
diff --git a/examples/08_01_sync_tcp_server/src/main.rs b/examples/08_01_sync_tcp_server/src/main.rs
@@ -0,0 +1,39 @@
+use std::fs;
+use std::io::prelude::*;
+use std::net::TcpListener;
+use std::net::TcpStream;
+
+fn main() {
+    // Listen for incoming TCP connections on localhost port 7878
+    let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+
+    // Block forever, handling each request that arrives at this IP address
+    for stream in listener.incoming() {
+        let stream = stream.unwrap();
+
+        handle_connection(stream);
+    }
+}
+
+fn handle_connection(mut stream: TcpStream) {
+    // Read the first 1024 bytes of data from the stream
+    let mut buffer = [0; 1024];
+    stream.read(&mut buffer).unwrap();
+
+    let get = b"GET / HTTP/1.1\r\n";
+
+    // Respond with greetings or a 404,
+    // depending on the data in the request
+    let (status_line, filename) = if buffer.starts_with(get) {
+        ("HTTP/1.1 200 OK\r\n\r\n", "hello.html")
+    } else {
+        ("HTTP/1.1 404 NOT FOUND\r\n\r\n", "404.html")
+    };
+    let contents = fs::read_to_string(filename).unwrap();
+
+    // Write response back to the stream,
+    // and flush the stream to ensure the response is sent back to the client
+    let response = format!("{}{}", status_line, contents);
+    stream.write(response.as_bytes()).unwrap();
+    stream.flush().unwrap();
+}
diff --git a/examples/08_02_async_tcp_server/Cargo.toml b/examples/08_02_async_tcp_server/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "async_tcp_server"
+version = "0.1.0"
+authors = ["Your Name <[email protected]"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-std = "1.6"
diff --git a/examples/08_02_async_tcp_server/src/main.rs b/examples/08_02_async_tcp_server/src/main.rs
@@ -0,0 +1,23 @@
+use std::net::TcpListener;
+use std::net::TcpStream;
+
+use async_std::task::block_on;
+
+// ANCHOR: main_func
+fn main() {
+    let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+    block_on(async {
+        for stream in listener.incoming() {
+            let stream = stream.unwrap();
+            // Warning: This is not concurrent!
+            handle_connection(stream).await;
+        }
+    })
+}
+// ANCHOR_END: main_func
+
+// ANCHOR: handle_connection_async
+async fn handle_connection(mut stream: TcpStream) {
+    //<-- snip -->
+}
+// ANCHOR_END: handle_connection_async
diff --git a/examples/08_03_concurrent_tcp_server/Cargo.toml b/examples/08_03_concurrent_tcp_server/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "concurrent_tcp_server"
+version = "0.1.0"
+authors = ["Your Name <[email protected]"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-std = "1.6"
diff --git a/examples/08_03_concurrent_tcp_server/src/main.rs b/examples/08_03_concurrent_tcp_server/src/main.rs
@@ -0,0 +1,20 @@
+use std::net::TcpListener;
+use std::net::TcpStream;
+
+// ANCHOR: main_func
+use async_std::task::{block_on, spawn};
+
+fn main() {
+    let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+    block_on(async {
+        for stream in listener.incoming() {
+            let stream = stream.unwrap();
+            spawn(async {handle_connection(stream).await} );
+        }
+    })
+}
+// ANCHOR_END: main_func
+
+async fn handle_connection(mut stream: TcpStream) {
+    //<-- snip -->
+}
diff --git a/examples/08_04_nonblocking_tcp_server/Cargo.toml b/examples/08_04_nonblocking_tcp_server/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "nonblocking_tcp_server"
+version = "0.1.0"
+authors = ["Your Name <[email protected]"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-std = "1.6"
diff --git a/examples/08_04_nonblocking_tcp_server/src/main.rs b/examples/08_04_nonblocking_tcp_server/src/main.rs
@@ -0,0 +1,29 @@
+// ANCHOR: main_func
+use async_std::net::{TcpListener, TcpStream};
+use async_std::task::{block_on, spawn};
+
+fn main() {
+    block_on(async {
+        let listener = TcpListener::bind("127.0.0.1:7878").await.unwrap();
+
+        loop {
+            let (stream, _) = listener.accept().await.unwrap();
+            spawn(handle_connection(stream));
+        }
+    })
+}
+// ANCHOR_END: main_func
+
+const response: &'static str = "hello";
+// ANCHOR: handle_connection
+use async_std::prelude::*;
+
+async fn handle_connection(mut stream: TcpStream) {
+    let mut buffer = [0; 1024];
+    stream.read(&mut buffer).await.unwrap();
+
+    //<-- snip -->
+    stream.write(response.as_bytes()).await.unwrap();
+    stream.flush().await.unwrap();
+}
+// ANCHOR_END: handle_connection
diff --git a/examples/08_05_final_tcp_server/Cargo.toml b/examples/08_05_final_tcp_server/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "final_tcp_server"
+version = "0.1.0"
+authors = ["Your Name <[email protected]"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+async-std = "1.6"
+futures = "0.3"
diff --git a/examples/08_05_final_tcp_server/hello.html b/examples/08_05_final_tcp_server/hello.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <title>Hello!</title>
+  </head>
+  <body>
+    <h1>Hello!</h1>
+    <p>Hi from Rust</p>
+  </body>
+</html>