distributed-systems-flyio/src/main.rs

use distributed_systems_flyio::{
    types::{EchoMessage, InitMessage, Message},
    Malestorm,
};
use std::rc::Rc;

fn main() {
    let mut program = Malestorm::default();

    program.register("init", |mut msg: Message, program: Rc<Malestorm>| {
        let message_body: InitMessage = serde_json::from_value(msg.body.message_body.take())
            .expect("error in parsing message body");

        program.set_node_id(message_body.node_id);
        program.set_nodes(message_body.nodes);

        msg.body.message_type = "init_ok".into();

        match program.reply(msg) {
            Ok(_) => (),
            Err(e) => {
                eprintln!("init: error in writing response: {}", e);
            }
        }
    });

    program.register("echo", |mut msg: Message, program: Rc<Malestorm>| {
        let message_body: EchoMessage = serde_json::from_value(msg.body.message_body.take())
            .expect("error in parsing message body");

        msg.body.message_type = "echo_ok".into();
        msg.body.message_body = serde_json::to_value(message_body).unwrap();

        match program.reply(msg) {
            Ok(_) => (),
            Err(e) => {
                eprintln!("echo: error in writing response: {}", e);
            }
        }
    });

    program.run();
}