From 60a6a8d0b9bc628b1df5e6fc4e629b141db5182e Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Fri, 4 Aug 2017 15:46:59 +0900
Subject: [PATCH] [Modify] Throw exceptions

---
 websocket-sharp/Server/WebSocketSessionManager.cs | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/websocket-sharp/Server/WebSocketSessionManager.cs b/websocket-sharp/Server/WebSocketSessionManager.cs
index 4dd6d360..787274fc 100644
--- a/websocket-sharp/Server/WebSocketSessionManager.cs
+++ b/websocket-sharp/Server/WebSocketSessionManager.cs
@@ -468,14 +468,14 @@ namespace WebSocketSharp.Server
     /// </param>
     public void BroadcastAsync (byte[] data, Action completed)
     {
-      var msg = _state.CheckIfAvailable (false, true, false) ??
-                WebSocket.CheckSendParameter (data);
-
-      if (msg != null) {
-        _logger.Error (msg);
-        return;
+      if (_state != ServerState.Start) {
+        var msg = "The current state of the manager is not Start.";
+        throw new InvalidOperationException (msg);
       }
 
+      if (data == null)
+        throw new ArgumentNullException ("data");
+
       if (data.LongLength <= WebSocket.FragmentLength)
         broadcastAsync (Opcode.Binary, data, completed);
       else