zircon/system/ulib/fs-pty/include/lib/fs-pty/tty-connection-internal.h

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef LIB_FS_PTY_TTY_CONNECTION_INTERNAL_H_
#define LIB_FS_PTY_TTY_CONNECTION_INTERNAL_H_

#include <fuchsia/hardware/pty/llcpp/fidl.h>

namespace fs_pty::internal {

// We would like to construct a |NullPtyDevice| with some arbitrary arguments.
// This class exists so that we don't need to templatize all of the implementation,
// just the ctor.  The extra argument to the ctor in |NullPtyDevice| is discarded.
class NullPtyDeviceImpl : public ::llcpp::fuchsia::hardware::pty::Device::Interface {
 public:
  NullPtyDeviceImpl() = default;
  ~NullPtyDeviceImpl() override = default;

  // fuchsia.hardware.pty.Device methods
  void OpenClient(uint32_t id, zx::channel client, OpenClientCompleter::Sync completer) final;
  void ClrSetFeature(uint32_t clr, uint32_t set, ClrSetFeatureCompleter::Sync completer) final;
  void GetWindowSize(GetWindowSizeCompleter::Sync completer) final;
  void MakeActive(uint32_t client_pty_id, MakeActiveCompleter::Sync completer) final;
  void ReadEvents(ReadEventsCompleter::Sync completer) final;
  void SetWindowSize(::llcpp::fuchsia::hardware::pty::WindowSize size,
                     SetWindowSizeCompleter::Sync completer) final;

  // fuchsia.io.File methods (which were composed by fuchsia.hardware.pty.Device)
  void Read(uint64_t count, ReadCompleter::Sync completer) final;
  void ReadAt(uint64_t count, uint64_t offset, ReadAtCompleter::Sync completer) final;

  void Write(fidl::VectorView<uint8_t> data, WriteCompleter::Sync completer) final;
  void WriteAt(fidl::VectorView<uint8_t> data, uint64_t offset,
               WriteAtCompleter::Sync completer) final;

  void Seek(int64_t offset, ::llcpp::fuchsia::io::SeekOrigin start,
            SeekCompleter::Sync completer) final;
  void Truncate(uint64_t length, TruncateCompleter::Sync completer) final;
  void GetFlags(GetFlagsCompleter::Sync completer) final;
  void SetFlags(uint32_t flags, SetFlagsCompleter::Sync completer) final;
  void GetBuffer(uint32_t flags, GetBufferCompleter::Sync completer) final;

  void Clone(uint32_t flags, zx::channel node, CloneCompleter::Sync completer) final;
  void Close(CloseCompleter::Sync completer) final;
  void Describe(DescribeCompleter::Sync completer) final;
  void Sync(SyncCompleter::Sync completer) final;
  void GetAttr(GetAttrCompleter::Sync completer) final;
  void SetAttr(uint32_t flags, ::llcpp::fuchsia::io::NodeAttributes attributes,
               SetAttrCompleter::Sync completer) final;
};

template <typename Console>
class NullPtyDevice : public NullPtyDeviceImpl {
 public:
  NullPtyDevice(Console console) : NullPtyDeviceImpl() {}
  ~NullPtyDevice() override = default;
};

}  // namespace fs_pty::internal

#endif  // LIB_FS_PTY_TTY_CONNECTION_INTERNAL_H_