lox_cli/src/networking.rs

// This file provides a Networking trait and a working hyper implementation

use async_trait::async_trait;
use hyper::{Body, Client, Method, Request};

// provides a generic way to make network requests
#[async_trait]
pub trait Networking {
    async fn request(&self, endpoint: String, body: Vec<u8>) -> Vec<u8>;
}

pub struct HyperNet {
    pub hostname: String,
}

#[async_trait]
impl Networking for HyperNet {
    async fn request(&self, endpoint: String, body: Vec<u8>) -> Vec<u8> {
        let client = Client::new();

        let url = self.hostname.to_string() + &endpoint;

        let uri: hyper::Uri = url.parse().expect("Failed to parse URL");

        // always POST even if body is empty
        let req = Request::builder()
            .method(Method::POST)
            .uri(uri)
            .body(Body::from(body))
            .expect("Failed to create POST request");
        let resp = client.request(req).await.expect("Failed to POST");

        let buf = hyper::body::to_bytes(resp)
            .await
            .expect("Failed to concat bytes");
        buf.to_vec()
    }
}