// +build android,cmfa package dialer import ( "context" "net" "net/netip" "syscall" ) type SocketControl func(network, address string, conn syscall.RawConn) error var DefaultSocketHook SocketControl func dialContextHooked(ctx context.Context, network string, destination netip.Addr, port string) (net.Conn, error) { dialer := &net.Dialer{ Control: DefaultSocketHook, } conn, err := dialer.DialContext(ctx, network, net.JoinHostPort(destination.String(), port)) if err != nil { return nil, err } if t, ok := conn.(*net.TCPConn); ok { t.SetKeepAlive(false) } return conn, nil } func listenPacketHooked(ctx context.Context, network, address string) (net.PacketConn, error) { lc := &net.ListenConfig{ Control: DefaultSocketHook, } return lc.ListenPacket(ctx, network, address) }