coap 0.1.0

A CoAP library
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coap-rs

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

Installation

First add this to your Cargo.toml:

[dependencies]
coap = "0.1.0"

Then, add this to your crate root:

extern crate coap;

Example

Server:

extern crate coap;

use std::io;
use coap::packet::*;
use coap::{CoAPServer, CoAPClient};

fn request_handler(req: Packet, _resp: CoAPClient) {
	println!("Receive request: {:?}", req);
}

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::packet::*;
use coap::CoAPClient;

fn main() {
	let addr = "127.0.0.1:5683";
	let request = "test";
		
	let client = CoAPClient::new(addr).unwrap();
	let mut packet = Packet::new();
	packet.header.set_version(1);
	packet.header.set_type(PacketType::Confirmable);
	packet.header.set_code("0.01");
	packet.header.set_message_id(1);
	packet.set_token(vec!(0x51, 0x55, 0x77, 0xE8));
	packet.add_option(OptionType::UriPath, request.to_string().into_bytes());
	client.send(&packet).unwrap();
	println!("Client request: coap://{}/{}", addr, request);

	let response = client.receive().unwrap();
	println!("Server reply: {}", String::from_utf8(response.payload).unwrap());
}