deterministic port number

Author: joostjager

tests/common/mod.rs

@@ -47,6 +47,7 @@ use serde_json::{json, Value};
 use std::collections::{HashMap, HashSet};
 use std::env;
 use std::path::PathBuf;
+use std::sync::atomic::{AtomicU16, Ordering};
 use std::sync::{Arc, RwLock};
 use std::time::Duration;
 
@@ -202,9 +203,10 @@ pub(crate) fn random_storage_path() -> PathBuf {
 	temp_path
 }
 
+static PORT_COUNTER: AtomicU16 = AtomicU16::new(5000);
+
 pub(crate) fn random_port() -> u16 {
-	let mut rng = thread_rng();
-	rng.gen_range(5000..65535)
+	PORT_COUNTER.fetch_add(1, Ordering::Relaxed)
 }
 
 pub(crate) fn random_listening_addresses() -> Vec<SocketAddress> {