package server import ( "io" "net" ) type oneConnListener struct { conn net.Conn } func (l *oneConnListener) Accept() (net.Conn, error) { if l.conn == nil { loginfo.Println("oneConnListener Accept EOF") return nil, io.EOF } c := l.conn l.conn = nil loginfo.Println("Accept", c.LocalAddr().String(), c.RemoteAddr().String()) return c, nil } func (l *oneConnListener) Close() error { loginfo.Println("oneConnListener close") return nil } func (l *oneConnListener) Addr() net.Addr { loginfo.Println("oneConnLister addr") return nil }