Initial prototype

lib/Selectors.js

@@ -0,0 +1,23 @@
+'use strict'
+
+class RoundRobinSelector {
+  constructor () {
+    this.current = -1
+  }
+
+  select (connections) {
+    if (++this.current >= connections.length) {
+      this.current = 0
+    }
+    return connections[this.current]
+  }
+}
+
+class RandomSelector {
+  select (connections) {
+    const index = Math.floor(Math.random() * connections.length)
+    return connections[index]
+  }
+}
+
+module.exports = { RoundRobinSelector, RandomSelector }