Merge pull request #20 from grid-x/fix/fix_close_nil_channel_panic_on…

…_stop

Fix Panic when stopping Server before even started

ocppj/server.go

@@ -62,7 +62,12 @@ func NewServer(wsServer ws.WsServer, dispatcher ServerDispatcher, stateHandler S
  dispatcher.SetPendingRequestState(stateHandler)
 
  // Create server and add profiles
- s := Server{Endpoint: Endpoint{}, server: wsServer, RequestState: stateHandler, dispatcher: dispatcher}
+ s := Server{
+ Endpoint: Endpoint{},
+ server: wsServer,
+ RequestState: stateHandler,
+ dispatcher: dispatcher,
+ stopped: make(chan struct{})}
  for _, profile := range profiles {
  s.AddProfile(profile)
  }
@@ -130,7 +135,6 @@ func (s *Server) SetDisconnectedClientHandler(handler ClientHandler) {
 // An error may be returned, if the websocket server couldn't be started.
 func (s *Server) Start(listenPort int, listenPath string) {
  // Set internal message handler
- s.stopped = make(chan struct{})
  s.server.SetCheckClientHandler(s.checkClientHandler)
  s.server.SetNewClientHandler(s.onClientConnected)
  s.server.SetDisconnectedClientHandler(s.onClientDisconnected)