use std::str::FromStr;
use std::time::Duration;

use http::Uri;
use tokio::fs;
use tonic::transport::{Certificate, Channel, ClientTlsConfig, Identity};

#[tokio::main]
async fn main() {
    let uri = Uri::from_str("https://127.0.0.1:9876").unwrap();

    let ca = fs::read("ca.pem").await.unwrap();

    let ca = Certificate::from_pem(ca);

    let key = fs::read("key.pem").await.unwrap();
    let cert = fs::read("cert.pem").await.unwrap();

    let identity = Identity::from_pem(cert, key);

    let tls_config = ClientTlsConfig::new()
        .ca_certificate(ca)
        .identity(identity);

    let channel = Channel::builder(uri)
        .tls_config(tls_config)
        .tcp_keepalive(Some(Duration::from_secs(5)))
        .connect()
        .await.unwrap();
}