package sockets import ( "crypto/tls" "net" "github.com/docker/docker/pkg/listenbuffer" ) func NewTcpSocket(addr string, tlsConfig *tls.Config, activate <-chan struct{}) (net.Listener, error) { l, err := listenbuffer.NewListenBuffer("tcp", addr, activate) if err != nil { return nil, err } if tlsConfig != nil { tlsConfig.NextProtos = []string{"http/1.1"} l = tls.NewListener(l, tlsConfig) } return l, nil }