#web #tower

tower-web

Web framework with a focus on removing boilerplate

14 unstable releases (3 breaking)

0.3.6 Mar 13, 2019
0.3.4 Jan 26, 2019
0.3.3 Nov 18, 2018
0.0.0 Mar 11, 2018

#17 in HTTP server

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Used in 1 crate

MIT license

424KB
11K SLoC

Tower Web

A web framework for Rust with a focus on removing boilerplate.

Build Status License: MIT Crates.io Gitter

API Documentation

Tower Web is:

  • Fast: Fully asynchronous, built on Tokio and Hyper.
  • Ergonomic: Tower-web decouples HTTP from your application logic, removing all boilerplate.
  • Works on Rust stable: You can use it today.

Hello World

#[macro_use]
extern crate tower_web;
extern crate tokio;

use tower_web::ServiceBuilder;
use tokio::prelude::*;

/// This type will be part of the web service as a resource.
#[derive(Clone, Debug)]
struct HelloWorld;

/// This will be the JSON response
#[derive(Response)]
struct HelloResponse {
    message: &'static str,
}

impl_web! {
    impl HelloWorld {
        #[get("/")]
        #[content_type("json")]
        fn hello_world(&self) -> Result<HelloResponse, ()> {
            Ok(HelloResponse {
                message: "hello world",
            })
        }
    }
}

pub fn main() {
    let addr = "127.0.0.1:8080".parse().expect("Invalid address");
    println!("Listening on http://{}", addr);

    ServiceBuilder::new()
        .resource(HelloWorld)
        .run(&addr)
        .unwrap();
}

Overview

Tower Web aims to decouple all HTTP concepts from the application logic. You define a "plain old Rust method" (PORM?). This method takes only the data it needs to complete and returns a struct representing the response. Tower Web does the rest.

The impl_web macro looks at the definition and generates the glue code, allowing the method to respond to HTTP requests.

Getting Started

The best way to get started is to read the examples and API docs.

License

This project is licensed under the MIT license.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in tower-web by you, shall be licensed as MIT, without any additional terms or conditions.

Dependencies

~14MB
~282K SLoC