From a9bc5632ac014e8a4dcf2930cf710ec499ebd9f1 Mon Sep 17 00:00:00 2001
From: Mathias Buus <mathiasbuus@gmail.com>
Date: Mon, 15 Jul 2019 15:38:39 +0200
Subject: [PATCH] rebootstrap if we become unreachable

---
 index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/index.js b/index.js
index 4033bef..2ff2f9f 100644
--- a/index.js
+++ b/index.js
@@ -58,6 +58,7 @@ class DHT extends EventEmitter {
   _ontick () {
     this._tick++
     if ((this._tick & 7) === 0) this._pingSome()
+    if ((this._tick & 63) === 0 && this.nodes.length < 20) this.bootstrap()
   }
 
   address () {
@@ -268,6 +269,9 @@ class DHT extends EventEmitter {
     var cnt = this.inflightQueries > 2 ? 1 : 3
     var oldest = this.nodes.oldest
 
+    // tiny dht, ping the bootstrap again
+    if (!oldest) return this.bootstrap()
+
     while (cnt--) {
       if (!oldest || this._tick === oldest.tick) continue
       this._check(oldest)