From 65dc6ee04a3fa4d526bba68975a735265ae2f2da Mon Sep 17 00:00:00 2001
From: Andrey Bezugliy <andrey.bezugliy@softengi.com>
Date: Thu, 2 May 2019 13:38:56 +0300
Subject: [PATCH] Close and destroy sockets on connection error.

Add `sock.end` and `sock.destroy` calls for `sock.once('error', ...)`
event handler and for `c.open(fields, ...)` callback - just like it was
done for connection timeout callback.

Resolves #513
---
 lib/connect.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/connect.js b/lib/connect.js
index 603f1981..23af26db 100644
--- a/lib/connect.js
+++ b/lib/connect.js
@@ -151,7 +151,11 @@ function connect(url, socketOptions, openCallback) {
       if (err === null) {
         openCallback(null, c);
       }
-      else openCallback(err);
+      else {
+        sock.end();
+        sock.destroy();
+        openCallback(err);
+      }
     });
   }
 
@@ -174,7 +178,11 @@ function connect(url, socketOptions, openCallback) {
   }
 
   sock.once('error', function(err) {
-    if (!sockok) openCallback(err);
+    if (!sockok) {
+      sock.end();
+      sock.destroy();
+      openCallback(err);
+    }
   });
 
 }