func()

in server.go [359:393]

• 31 lines of code
• 7 McCabe index (conditional complexity)

func (s *wsHandler) serveWSRequest(w http.ResponseWriter, r *http.Request) {
	if r.Method != "GET" {
		// w.WriteHeader(http.StatusMethodNotAllowed)
		http.Error(w, "Method not allowed", 405)
		return
	}

	if s.server.IsClosed() {
		http.Error(w, "HTTP server is closed(code:500-11).", 500)
		log.Warnf("server{%s} stop acceptting client connect request.", s.server.addr)
		return
	}

	conn, err := s.upgrader.Upgrade(w, r, nil)
	if err != nil {
		log.Warnf("upgrader.Upgrader(http.Request{%#v}) = error:%+v", r, err)
		return
	}
	if conn.RemoteAddr().String() == conn.LocalAddr().String() {
		log.Warnf("conn.localAddr{%s} == conn.RemoteAddr", conn.LocalAddr().String(), conn.RemoteAddr().String())
		return
	}
	// conn.SetReadLimit(int64(handler.maxMsgLen))
	ss := newWSSession(conn, s.server)
	err = s.newSession(ss)
	if err != nil {
		conn.Close()
		log.Warnf("server{%s}.newSession(ss{%#v}) = err {%s}", s.server.addr, ss, err)
		return
	}
	if ss.(*session).maxMsgLen > 0 {
		conn.SetReadLimit(int64(ss.(*session).maxMsgLen))
	}
	ss.(*session).run()
}