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distributed.rs
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distributed.rs
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use std::time::Duration;
use lunatic::ap::handlers::Request;
use lunatic::ap::{AbstractProcess, Config, RequestHandler, State};
use lunatic::host::node_id;
use lunatic::serializer::MessagePack;
use lunatic::{sleep, Mailbox, Process, ProcessConfig};
struct Adder;
impl AbstractProcess for Adder {
type Arg = ();
type State = Self;
type Handlers = (Request<(i32, i32)>,);
type Serializer = MessagePack;
type StartupError = ();
fn init(_: Config<Self>, _: ()) -> Result<Adder, ()> {
Ok(Adder)
}
}
impl RequestHandler<(i32, i32)> for Adder {
type Response = i32;
fn handle(_: State<Self>, (a, b): (i32, i32)) -> i32 {
println!("Got {a}, {b} to add");
a + b
}
}
fn main() {
let nodes = lunatic::distributed::nodes();
println!("Nodes {nodes:?}");
let mut config = ProcessConfig::new().unwrap();
config.set_max_memory(1_500_000);
config.set_max_fuel(1);
if !nodes.is_empty() {
let add_server = Adder::on_node(nodes[0])
.configure(&config)
.start(())
.unwrap();
assert_eq!(add_server.request((1, 1)), 2);
}
let msgs = [10, 582, 172, 45];
let procs = nodes
.into_iter()
.map(|node| Process::spawn_node_config(node, &config, 101, hello));
for (i, proc) in procs.enumerate() {
proc.send(msgs[i % msgs.len()]);
}
sleep(Duration::from_millis(5000));
}
fn hello(start: u32, mailbox: Mailbox<u32>) {
println!("Hi from {}", node_id());
let m = mailbox.receive();
println!("{start} + {m} = {}", start + m);
sleep(Duration::from_millis(2000));
}