Exemplo n.º 1
0
Arquivo: net.go Projeto: knz/cockroach
// ServeWith accepts connections on ln and serves them using serveConn.
func (s *Server) ServeWith(stopper *stop.Stopper, l net.Listener, serveConn func(net.Conn)) error {
	// Inspired by net/http.(*Server).Serve
	var tempDelay time.Duration // how long to sleep on accept failure
	for {
		rw, e := l.Accept()
		if e != nil {
			if ne, ok := e.(net.Error); ok && ne.Temporary() {
				if tempDelay == 0 {
					tempDelay = 5 * time.Millisecond
				} else {
					tempDelay *= 2
				}
				if max := 1 * time.Second; tempDelay > max {
					tempDelay = max
				}
				httpLogger.Printf("http: Accept error: %v; retrying in %v", e, tempDelay)
				time.Sleep(tempDelay)
				continue
			}
			return e
		}
		tempDelay = 0
		go func() {
			defer stopper.Recover()
			s.Server.ConnState(rw, http.StateNew) // before Serve can return
			serveConn(rw)
			s.Server.ConnState(rw, http.StateClosed)
		}()
	}
}