add result of accept

examples/simplewebsocket.lua

@@ -43,7 +43,10 @@ if MODE == "agent" then
 
     skynet.start(function ()
         skynet.dispatch("lua", function (_,_, id, protocol, addr)
-            websocket.accept(id, handle, protocol, addr)
+            local ok, err = websocket.accept(id, handle, protocol, addr)
+            if not ok then
+                print(err)
+            end
         end)
     end)
 

lualib/http/websocket.lua

@@ -407,9 +407,11 @@ function M.accept(socket_id, handle, protocol, addr)
                 try_handle(ws_obj, "error")
             end
         else
-            error(err)
+            -- error(err)
+            return false, err
         end
     end
+    return true
 end