From 4576a80954d57bf2cb8ab3d99b73b75b84b2ce02 Mon Sep 17 00:00:00 2001
From: tom barrett <spalf0@gmail.com>
Date: Fri, 29 Mar 2019 08:52:08 -0500
Subject: more consistent loop durations
---
src/bin/server.rs | 10 ++++++++--
src/constants.rs | 2 +-
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/bin/server.rs b/src/bin/server.rs
index e8fa735..881cc4d 100644
--- a/src/bin/server.rs
+++ b/src/bin/server.rs
@@ -4,7 +4,7 @@ use std::collections::HashMap;
use std::io::Write;
use std::net::TcpListener;
use std::thread::sleep;
-use std::time::Duration;
+use std::time::{Duration, Instant};
use space::constants;
use space::mass::Mass;
@@ -42,6 +42,8 @@ fn main() {
connections.push(new_connection);
}
_ => {
+ let timer = Instant::now();
+
for connection in &mut connections {
if connection.open {
let mut ship = masses.remove(&connection.name).unwrap();
@@ -62,7 +64,11 @@ fn main() {
masses.insert(key.to_string(), mass);
}
- sleep(Duration::from_millis(constants::SLEEP_DURATION));
+ if timer.elapsed().as_millis() < constants::LOOP_DURATION_MS.into() {
+ sleep(Duration::from_millis(
+ constants::LOOP_DURATION_MS - timer.elapsed().as_millis() as u64,
+ ));
+ }
}
}
}
diff --git a/src/constants.rs b/src/constants.rs
index ad73b19..ab045bf 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -27,8 +27,8 @@ pub const IRON_SIZE: usize = 1;
pub const HYDROGEN_SIZE: usize = 1;
pub const CRUDE_MINERALS_SIZE: usize = 10;
-pub const SLEEP_DURATION: u64 = 100;
pub const FLOAT_PRECISION: f64 = 0.001;
+pub const LOOP_DURATION_MS: u64 = 100;
pub const POSTGRES_USERNAME: &str = "space";
pub const POSTGRES_PASSWORD: &str = "space";
--
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