diff options
Diffstat (limited to 'vendor/github.com/containerd/console/console_windows.go')
| -rw-r--r-- | vendor/github.com/containerd/console/console_windows.go | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/vendor/github.com/containerd/console/console_windows.go b/vendor/github.com/containerd/console/console_windows.go deleted file mode 100644 index d78a0b841..000000000 --- a/vendor/github.com/containerd/console/console_windows.go +++ /dev/null @@ -1,200 +0,0 @@ -package console - -import ( - "fmt" - "os" - - "github.com/pkg/errors" - "golang.org/x/sys/windows" -) - -var ( - vtInputSupported bool - ErrNotImplemented = errors.New("not implemented") -) - -func (m *master) initStdios() { - m.in = windows.Handle(os.Stdin.Fd()) - if err := windows.GetConsoleMode(m.in, &m.inMode); err == nil { - // Validate that windows.ENABLE_VIRTUAL_TERMINAL_INPUT is supported, but do not set it. - if err = windows.SetConsoleMode(m.in, m.inMode|windows.ENABLE_VIRTUAL_TERMINAL_INPUT); err == nil { - vtInputSupported = true - } - // Unconditionally set the console mode back even on failure because SetConsoleMode - // remembers invalid bits on input handles. - windows.SetConsoleMode(m.in, m.inMode) - } else { - fmt.Printf("failed to get console mode for stdin: %v\n", err) - } - - m.out = windows.Handle(os.Stdout.Fd()) - if err := windows.GetConsoleMode(m.out, &m.outMode); err == nil { - if err := windows.SetConsoleMode(m.out, m.outMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING); err == nil { - m.outMode |= windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING - } else { - windows.SetConsoleMode(m.out, m.outMode) - } - } else { - fmt.Printf("failed to get console mode for stdout: %v\n", err) - } - - m.err = windows.Handle(os.Stderr.Fd()) - if err := windows.GetConsoleMode(m.err, &m.errMode); err == nil { - if err := windows.SetConsoleMode(m.err, m.errMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING); err == nil { - m.errMode |= windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING - } else { - windows.SetConsoleMode(m.err, m.errMode) - } - } else { - fmt.Printf("failed to get console mode for stderr: %v\n", err) - } -} - -type master struct { - in windows.Handle - inMode uint32 - - out windows.Handle - outMode uint32 - - err windows.Handle - errMode uint32 -} - -func (m *master) SetRaw() error { - if err := makeInputRaw(m.in, m.inMode); err != nil { - return err - } - - // Set StdOut and StdErr to raw mode, we ignore failures since - // windows.DISABLE_NEWLINE_AUTO_RETURN might not be supported on this version of - // Windows. - - windows.SetConsoleMode(m.out, m.outMode|windows.DISABLE_NEWLINE_AUTO_RETURN) - - windows.SetConsoleMode(m.err, m.errMode|windows.DISABLE_NEWLINE_AUTO_RETURN) - - return nil -} - -func (m *master) Reset() error { - for _, s := range []struct { - fd windows.Handle - mode uint32 - }{ - {m.in, m.inMode}, - {m.out, m.outMode}, - {m.err, m.errMode}, - } { - if err := windows.SetConsoleMode(s.fd, s.mode); err != nil { - return errors.Wrap(err, "unable to restore console mode") - } - } - - return nil -} - -func (m *master) Size() (WinSize, error) { - var info windows.ConsoleScreenBufferInfo - err := windows.GetConsoleScreenBufferInfo(m.out, &info) - if err != nil { - return WinSize{}, errors.Wrap(err, "unable to get console info") - } - - winsize := WinSize{ - Width: uint16(info.Window.Right - info.Window.Left + 1), - Height: uint16(info.Window.Bottom - info.Window.Top + 1), - } - - return winsize, nil -} - -func (m *master) Resize(ws WinSize) error { - return ErrNotImplemented -} - -func (m *master) ResizeFrom(c Console) error { - return ErrNotImplemented -} - -func (m *master) DisableEcho() error { - mode := m.inMode &^ windows.ENABLE_ECHO_INPUT - mode |= windows.ENABLE_PROCESSED_INPUT - mode |= windows.ENABLE_LINE_INPUT - - if err := windows.SetConsoleMode(m.in, mode); err != nil { - return errors.Wrap(err, "unable to set console to disable echo") - } - - return nil -} - -func (m *master) Close() error { - return nil -} - -func (m *master) Read(b []byte) (int, error) { - panic("not implemented on windows") -} - -func (m *master) Write(b []byte) (int, error) { - panic("not implemented on windows") -} - -func (m *master) Fd() uintptr { - return uintptr(m.in) -} - -// on windows, console can only be made from os.Std{in,out,err}, hence there -// isnt a single name here we can use. Return a dummy "console" value in this -// case should be sufficient. -func (m *master) Name() string { - return "console" -} - -// makeInputRaw puts the terminal (Windows Console) connected to the given -// file descriptor into raw mode -func makeInputRaw(fd windows.Handle, mode uint32) error { - // See - // -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx - // -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx - - // Disable these modes - mode &^= windows.ENABLE_ECHO_INPUT - mode &^= windows.ENABLE_LINE_INPUT - mode &^= windows.ENABLE_MOUSE_INPUT - mode &^= windows.ENABLE_WINDOW_INPUT - mode &^= windows.ENABLE_PROCESSED_INPUT - - // Enable these modes - mode |= windows.ENABLE_EXTENDED_FLAGS - mode |= windows.ENABLE_INSERT_MODE - mode |= windows.ENABLE_QUICK_EDIT_MODE - - if vtInputSupported { - mode |= windows.ENABLE_VIRTUAL_TERMINAL_INPUT - } - - if err := windows.SetConsoleMode(fd, mode); err != nil { - return errors.Wrap(err, "unable to set console to raw mode") - } - - return nil -} - -func checkConsole(f *os.File) error { - var mode uint32 - if err := windows.GetConsoleMode(windows.Handle(f.Fd()), &mode); err != nil { - return err - } - return nil -} - -func newMaster(f *os.File) (Console, error) { - if f != os.Stdin && f != os.Stdout && f != os.Stderr { - return nil, errors.New("creating a console from a file is not supported on windows") - } - m := &master{} - m.initStdios() - return m, nil -} |