From b21fb350b92df10a98d5971f463f34fc585b0e63 Mon Sep 17 00:00:00 2001
From: David Baird <dhbaird@gmail.com>
Date: Thu, 14 Nov 2013 00:03:40 -0700
Subject: [PATCH] Add masking key to close. Fixes #21.

---
 easywsclient.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/easywsclient.cpp b/easywsclient.cpp
index 5ef6f96..a36c89b 100644
--- a/easywsclient.cpp
+++ b/easywsclient.cpp
@@ -353,8 +353,8 @@ class _RealWebSocket : public easywsclient::WebSocket
     void close() {
         if(readyState == CLOSING || readyState == CLOSED) { return; }
         readyState = CLOSING;
-        uint8_t closeFrame[2] = {0x88, 0x00};
-        std::vector<uint8_t> header(closeFrame, closeFrame+2);
+        uint8_t closeFrame[6] = {0x88, 0x80, 0x00, 0x00, 0x00, 0x00}; // last 4 bytes are a masking key
+        std::vector<uint8_t> header(closeFrame, closeFrame+6);
         txbuf.insert(txbuf.end(), header.begin(), header.end());
     }