From 5dcdf9c4c1c3f724c9d11f7625b700751cb55ecf Mon Sep 17 00:00:00 2001
From: Feross Aboukhadijeh <feross@feross.org>
Date: Mon, 29 Feb 2016 17:35:04 -0800
Subject: [PATCH] ws tracker: don't crash with filter function

---
 server.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/server.js b/server.js
index 239e896..39caf7c 100644
--- a/server.js
+++ b/server.js
@@ -325,10 +325,13 @@ Server.prototype._onWebSocketRequest = function (socket, params) {
 
   self._onRequest(params, function (err, response) {
     if (err) {
+      socket.send(JSON.stringify({
+        'failure reason': err.message,
+        info_hash: common.hexToBinary(params.info_hash)
+      }), socket.onSend)
+
       self.emit('warning', err)
-      response = {
-        'failure reason': err.message
-      }
+      return
     }
     if (self.destroyed) return