From 97d82b491a6027d4c62169626cad053d05db18d0 Mon Sep 17 00:00:00 2001
From: youkunhuang <youkunhuang@tencent.com>
Date: Wed, 20 Jun 2018 14:40:31 +0800
Subject: [PATCH] chore(websocket): add error ignore list

---
 bin/proxy/websocket.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/bin/proxy/websocket.js b/bin/proxy/websocket.js
index 80d8cdd6..acaaae1c 100644
--- a/bin/proxy/websocket.js
+++ b/bin/proxy/websocket.js
@@ -92,6 +92,11 @@ function bind_listen(server) {
         }
 
         d.on('error', function(err) {
+            if (err && err.message && errorIgnore[err.message] === 'ignore') {
+                logger.warn(err && err.stack);
+                return;
+            }
+
             if (err && err.stack && err.message) {
                 const key = err.message;
                 const content = `<p><strong>错误堆栈</strong></p><p><pre><code>${err.stack}</code></pre></p>`;
@@ -263,3 +268,11 @@ exports.start_listen = function() {
         bind_listen(wss);
     }
 };
+
+const errorIgnore = {
+    'socket hang up': 'ignore',
+    'Cannot read property \'asyncReset\' of null': 'ignore',
+    'Cannot read property \'resume\' of null': 'ignore',
+    'write ECONNRESET': 'ignore',
+    'This socket is closed': 'ignore'
+};