#[macro_use]
extern crate flugrost;

use std::net::TcpStream;
use std::env;

use flugrost::FlugrostProtocol;


mod svc {
    rpc_service!{
        rpc greet(s: String) -> String;
        rpc add(n1: u32, n2: u32) -> u64;
        rpc sub(n1: u32, n2: u32) -> i64;
    }
}


fn main() {
    let args: Vec<_> = env::args().collect();
    if args.len() != 3 {
        println!("Usage: {} ip port", args[0]);
        return;
    }

    let host = format!("{}:{}", args[1], args[2]);
    let socket = TcpStream::connect(host).expect("connect() failed!");

    let proto = FlugrostProtocol::new();
    let mut client = svc::SyncClient::from_blocking_socket(&socket, &proto);

    println!(
        "Server says: {}",
        client.greet("Hi".to_owned()).expect("RPC call failed!")
    );
    println!("1 + 2 = {}", client.add(1, 2).expect("RPC call failed"));
    println!("1 - 2 = {}", client.sub(1, 2).expect("RPC call failed"));
}