diff options
Diffstat (limited to 'src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct')
7 files changed, 90 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/404.html b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/404.html new file mode 100644 index 000000000..88d8e9152 --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/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/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.lock b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.lock new file mode 100644 index 000000000..f2d069f46 --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "hello" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.toml b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.toml new file mode 100644 index 000000000..fe619478a --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "hello" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/hello.html b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/hello.html new file mode 100644 index 000000000..fe442d6b9 --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/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/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/output.txt b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/output.txt new file mode 100644 index 000000000..fa337b8a8 --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/output.txt @@ -0,0 +1,10 @@ +$ cargo check + Checking hello v0.1.0 (file:///projects/hello) +error[E0599]: no function or associated item named `new` found for struct `ThreadPool` in the current scope + --> src/main.rs:12:28 + | +12 | let pool = ThreadPool::new(4); + | ^^^ function or associated item not found in `ThreadPool` + +For more information about this error, try `rustc --explain E0599`. +error: could not compile `hello` due to previous error diff --git a/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/lib.rs b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/lib.rs new file mode 100644 index 000000000..7312e293d --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/lib.rs @@ -0,0 +1 @@ +pub struct ThreadPool; diff --git a/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/main.rs b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/main.rs new file mode 100644 index 000000000..f7b42167f --- /dev/null +++ b/src/doc/book/listings/ch20-web-server/no-listing-01-define-threadpool-struct/src/main.rs @@ -0,0 +1,45 @@ +// ANCHOR: here +use hello::ThreadPool; +// ANCHOR_END: here +use std::{ + fs, + io::{prelude::*, BufReader}, + net::{TcpListener, TcpStream}, + thread, + time::Duration, +}; + +fn main() { + let listener = TcpListener::bind("127.0.0.1:7878").unwrap(); + let pool = ThreadPool::new(4); + + for stream in listener.incoming() { + let stream = stream.unwrap(); + + pool.execute(|| { + handle_connection(stream); + }); + } +} + +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(); +} |