From 0249f5518e236b476743ea56453cd8f2a8e656b0 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 5 Sep 2016 16:26:29 +0900
Subject: [PATCH] [Modify] Replace it

---
 websocket-sharp/Server/HttpServer.cs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/websocket-sharp/Server/HttpServer.cs b/websocket-sharp/Server/HttpServer.cs
index 5c1e5612..b1c42c2e 100644
--- a/websocket-sharp/Server/HttpServer.cs
+++ b/websocket-sharp/Server/HttpServer.cs
@@ -988,11 +988,19 @@ namespace WebSocketSharp.Server
     /// </param>
     public void Stop (ushort code, string reason)
     {
-      lock (_sync) {
-        var msg = _state.CheckIfAvailable (false, true, false) ??
-                  WebSocket.CheckCloseParameters (code, reason, false);
+      string msg;
+      if (!checkIfAvailable (false, true, false, false, out msg)) {
+        _logger.Error (msg);
+        return;
+      }
 
-        if (msg != null) {
+      if (!WebSocket.CheckParametersForClose (code, reason, false, out msg)) {
+        _logger.Error (msg);
+        return;
+      }
+
+      lock (_sync) {
+        if (!checkIfAvailable (false, true, false, false, out msg)) {
           _logger.Error (msg);
           return;
         }