Sincere is a micro web framework for Rust(stable) based on hyper and multithreading

Last update: Oct 26, 2022

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Overview

The project is no longer maintained！

Sincere

Sincere is a micro web framework for Rust(stable) based on hyper and multithreading. Style like koa. The same, which aims to be a smaller, more expressive, and more robust foundation for web applications and APIs. Sincere does not bundle any middleware within core, and provides an elegant suite of methods that make writing servers fast and enjoyable. Here is an example of a simple application:

extern crate sincere;

use sincere::App;

fn main() {
    let mut app = App::new();

    app.get("/", |context| {
        context.response.from_text("Hello world!").unwrap();
    });

    app.run("127.0.0.1:8000").unwrap();
}

Don't forget add this to your Cargo.toml:

[dependencies]
sincere = "0.7.0-alpha.1"

Build and run, then, visiting http://127.0.0.1:8000/, you will see Hello world on the screen.

API documentation:

master

Guide

Routing

app.add("GET", "/user", ...);

app.get("/user", ...);

app.get("/user/{id:[0-9]+}", ...);

app.post("/user", ...);

app.put("/user/{id:[0-9]+}", ...);

app.delete("/user/{id:[0-9]+}", ...);

app.options("/", ...);

app.connect("/", ...);

app.head("/", ...);

Route Group

use sincere::App;
use sincere::Group;

fn main() {
    let mut app = App::new();

    app.get("/", |context| {
        context.response.from_text("Hello world!").unwrap();
    });

    let mut user_group = Group::new("/user");

    // /user
    user_group.get("/", ...);
    // /user/123
    app.get("/{id:[0-9]+}", ...);

    app.mount_group(user_group::handle);

    app.run("127.0.0.1:8000");
}

use sincere::App;
use sincere::Group;
use sincere::Context;

pub struct User;

impl User {
    pub fn list(mut context: &mut Context) {
        ...
    }

    pub fn detail(mut context: &mut Context) {
        ...
    }

    pub fn handle() -> Group {
        let mut group = Group::new("/user");

        group.get("/", Self::list);
        group.get("/{id:[0-9]+}", Self::detail);

        group
    }
}

fn main() {
    let mut app = App::new();

    app.get("/", |context| {
        context.response.from_text("Hello world!").unwrap();
    });

    app.mount(User::handle());

    app.run("127.0.0.1:8000");
}

Middleware

use sincere::App;

fn main() {
    let mut app = App::new();

    app.begin(|context| {
        ...
    });

    app.before(|context| {
        ...
    });

    app.after(|context| {
        ...
    });

    app.finish(|context| {
        ...
    });


    app.get("/", |context| {
        context.response.from_text("Hello world!").unwrap();
    });

    app.run("127.0.0.1:8000");
}

...
app.begin(...).begin(...);

app.begin(...).finish(...);

app.begin(...).before(...).after(...).finish(...);
...

app.get("/", |context| {
    context.response.from_text("Hello world!").unwrap();
}).before(...).after(...);

let mut group = Group::new("/user");

group.before(...).after(...);

group.get("/", |context| {
    context.response.from_text("Hello world!").unwrap();
}).before(...).after(...);

pub fn auth(context: &mut Context) {
    if let Some(token) = context.request.get_header("Token") {
        match token::verify_token(token) {
            Ok(id) => {
                context.contexts.insert("id".to_owned(), Value::String(id));
            },
            Err(err) => {
                context.response.from_text("").unwrap();
                context.stop();
            }
        }
    } else {
        context.response.status_code(401);
        context.stop();
    }
}

app.post("/article", ...).before(auth);

group.post("/", ...).before(auth);

pub fn cors(app: &mut App) {

    app.begin(move |context| {
        if context.request.method() == &Method::Options {
            context.response
            .status_code(204)
            .header(("Access-Control-Allow-Methods", "GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS"));

            context.stop();
        }
    });

    app.finish(move |context| {
        context.response
        .header(("Access-Control-Allow-Origin", "*"))
        .header(("Access-Control-Allow-Headers", "content-type, token"));
    });
}

app.use_middleware(cors);

Path Parameters

app.get("/user/{id}", |context| {
    let id = context.request.param("id").unwrap();
});

app.get("/user/{id:[0-9]+}", |context| {
    let id = context.request.param("id").unwrap();
});

app.get("/user/{id:[a-z0-9]{24}}", |context| {
    let id = context.request.param("id").unwrap();
});

Query Parameters

/article?per_page=10&page=1

app.get("/article", |content| {
    let page = context.request.query("page").unwrap_or("1");
    let per_page = context.request.query("per_page").unwrap_or("10");
});

Bind Json

serde_derive = "1.0"

[dependencies.serde_json]
version = "1.0"
features = ["preserve_order"]

#[macro_use]
extern crate serde_derive;
extern crate serde_json;

app.post("/article", |content| {

    #[derive(Deserialize, Debug)]
    struct New {
        title: String,
        image: Vec<String>,
        content: String
    }

    let new_json = context.request.bind_json::<New>().unwrap();

    // some code

    let return_json = json!({
        "article_id": 123
    });

    context.response.from_json(return_json).unwrap();
});

Get and set headers, http status code

app.get("/", |context| {
    let token = context.request.header("Token").unwrap_or("none".to_owned());

    context.response.from_text("Hello world!").status_code(200).header(("Hello", "World")).unwrap();
});

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Comments

为什么感觉sincere性能不高

测试代码： https://github.com/dollarkillerx/sincere_examples 测试环境： RUST: rustc 1.46.0 (04488afe3 2020-08-24) GO: go version go1.15.2 linux/amd64 cpu: e5-2650 8c Mem: 8G SSD

Sincere

release opt-level = 3

~$  go-wrk -c 80 -d 5 http://127.0.0.1:8000/hello
Running 5s test @ http://127.0.0.1:8000/hello
  80 goroutine(s) running concurrently
94571 requests in 4.912792899s, 10.01MB read
Requests/sec:		19249.95
Transfer/sec:		2.04MB
Avg Req Time:		4.155855ms
Fastest Request:	132.482µs
Slowest Request:	23.611864ms
Number of Errors:	0

GO Gin

~$ go-wrk -c 80 -d 5 http://127.0.0.1:8081/hello
Running 5s test @ http://127.0.0.1:8081/hello
  80 goroutine(s) running concurrently
181092 requests in 4.904672597s, 19.17MB read
Requests/sec:		36922.34
Transfer/sec:		3.91MB
Avg Req Time:		2.166709ms
Fastest Request:	86.728µs
Slowest Request:	35.10243ms
Number of Errors:	0

GO Erguotou

~$ go-wrk -c 80 -d 5 http://127.0.0.1:8081/hello
Running 5s test @ http://127.0.0.1:8081/hello
  80 goroutine(s) running concurrently
205570 requests in 4.832811717s, 25.08MB read
Requests/sec:		42536.31
Transfer/sec:		5.19MB
Avg Req Time:		1.880745ms
Fastest Request:	72.469µs
Slowest Request:	32.684381ms
Number of Errors:	0

opened by dollarkillerx 1

pin-project-lite needs Rust 1.37

This uses tokio 0.2, which needs pin-project-lite at least version 0.1.1, which needs Rust 1.37.

... and as it turns out the tokio bytes work needs 1.39. See https://github.com/tokio-rs/bytes/issues/323

opened by palfrey 0