| // Copyright 2017 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 FS_REMOTE_DIR_H_ |
| #define FS_REMOTE_DIR_H_ |
| |
| #include <fbl/macros.h> |
| |
| #include "vnode.h" |
| |
| namespace fs { |
| |
| // A remote directory holds a channel to a remotely hosted directory to |
| // which requests are delegated when opened. |
| // |
| // This class is designed to allow programs to publish remote filesystems |
| // as directories without requiring a separate "mount" step. In effect, |
| // a remote directory is "mounted" at creation time. |
| // |
| // It is not possible for the client to detach the remote directory or |
| // to mount a new one in its place. |
| // |
| // This class is thread-safe. |
| class RemoteDir : public Vnode { |
| public: |
| // Binds to a remotely hosted directory using the specified FIDL client |
| // channel endpoint. The channel must be valid. |
| RemoteDir(zx::channel remote_dir_client); |
| |
| // Releases the remotely hosted directory. |
| ~RemoteDir() override; |
| |
| // |Vnode| implementation: |
| zx_status_t Getattr(vnattr_t* a) final; |
| bool IsRemote() const final; |
| zx_handle_t GetRemote() const final; |
| bool IsDirectory() const final { return true; } |
| zx_status_t GetNodeInfo(uint32_t flags, fuchsia_io_NodeInfo* info) final; |
| |
| private: |
| zx::channel const remote_dir_client_; |
| |
| DISALLOW_COPY_ASSIGN_AND_MOVE(RemoteDir); |
| }; |
| |
| } // namespace fs |
| |
| #endif // FS_REMOTE_DIR_H_ |