A Constrained Application Protocol(CoAP) library implemented in Rust.
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README.md

coap-rs

Travis Build Status Windows Build Status Downloads Coverage Status MIT licensed

A fast and stable Constrained Application Protocol(CoAP) library implemented in Rust.

Features:

Documentation

Installation

First add this to your Cargo.toml:

[dependencies]
coap = "0.7"

Then, add this to your crate root:

extern crate coap;

Example

Server:

extern crate coap;

use std::io;
use coap::{CoAPServer, CoAPResponse, CoAPRequest, Method};

fn request_handler(request: CoAPRequest) -> Option<CoAPResponse> {
    match request.get_method() {
		&Method::Get => println!("request by get {}", request.get_path()),
		&Method::Post => println!("request by post {}", String::from_utf8(request.message.payload).unwrap()),
		_ => println!("request by other method"),
	};

    // Return the auto-generated response
    request.response
}

fn main() {
    let addr = "127.0.0.1:5683";

    let mut server = CoAPServer::new(addr).unwrap();
    server.handle(request_handler).unwrap();

    println!("Server up on {}", addr);
    println!("Press any key to stop...");
    io::stdin().read_line(&mut String::new()).unwrap();

    println!("Server shutdown");
}

Client:

extern crate coap;

use coap::{CoAPClient, CoAPResponse};

fn main() {
    let url = "coap://127.0.0.1:5683/Rust";
    println!("Client request: {}", url);

    let response = CoAPClient::get(url).unwrap();
    println!("Server reply: {}", String::from_utf8(response.message.payload).unwrap());
}

Benchmark

$ cargo run --example server
$ cargo bench