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extern crate space;
use std::collections::HashMap;
use std::io::Write;
use std::net::TcpListener;
use std::thread::sleep;
use std::time::Duration;
use space::constants;
use space::mass::Mass;
use space::math::rand_name;
use space::server_connection::ServerConnection;
fn populate() -> HashMap<String, Mass> {
let mut masses: HashMap<String, Mass> = HashMap::new();
for _ in 0..constants::ASTROID_COUNT {
masses.insert(rand_name(), Mass::new_astroid());
}
masses
}
fn main() {
let listener = TcpListener::bind("localhost:6000").unwrap();
listener.set_nonblocking(true).unwrap();
let mut masses = populate();
let mut connections: Vec<ServerConnection> = Vec::new();
for stream in listener.incoming() {
match stream {
Ok(stream) => {
let new_connection = ServerConnection::new(stream, &mut masses);
let exists = connections.iter().position(|connection| {
connection.name == new_connection.name
&& connection.module_type == new_connection.module_type
});
if let Some(index) = exists {
connections.remove(index);
}
connections.push(new_connection);
}
_ => {
for connection in &mut connections {
if connection.open {
let mut ship = masses.remove(&connection.name).unwrap();
let send = ship.get_client_data(connection.module_type.clone(), &masses);
connection.open = connection.stream.write(send.as_bytes()).is_ok();
let recv = connection.receive();
ship.give_received_data(connection.module_type.clone(), recv);
masses.insert(connection.name.clone(), ship);
}
}
for key in masses.clone().keys() {
let mut mass = masses.remove(key).unwrap();
mass.process(&mut masses);
masses.insert(key.to_string(), mass);
}
sleep(Duration::from_millis(constants::SLEEP_DURATION));
}
}
}
}
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