| // Copyright 2022 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 SRC_STORAGE_MINFS_COMPONENT_RUNNER_H_ |
| #define SRC_STORAGE_MINFS_COMPONENT_RUNNER_H_ |
| |
| #include <fidl/fuchsia.process.lifecycle/cpp/wire.h> |
| #include <lib/zx/status.h> |
| |
| #include "src/lib/storage/vfs/cpp/managed_vfs.h" |
| #include "src/lib/storage/vfs/cpp/pseudo_dir.h" |
| #include "src/storage/minfs/minfs_private.h" |
| #include "src/storage/minfs/mount.h" |
| |
| namespace minfs { |
| |
| class ComponentRunner final : public fs::ManagedVfs { |
| public: |
| explicit ComponentRunner(async_dispatcher_t* dispatcher); |
| |
| ComponentRunner(const ComponentRunner&) = delete; |
| ComponentRunner& operator=(const ComponentRunner&) = delete; |
| |
| zx::status<> ServeRoot(fidl::ServerEnd<fuchsia_io::Directory> root, |
| fidl::ServerEnd<fuchsia_process_lifecycle::Lifecycle> lifecycle); |
| zx::status<> Configure(std::unique_ptr<Bcache> bcache, const MountOptions& options); |
| |
| // fs::ManagedVfs interface |
| void Shutdown(fs::FuchsiaVfs::ShutdownCallback cb) final; |
| zx::status<fs::FilesystemInfo> GetFilesystemInfo() final; |
| void OnNoConnections() final; |
| |
| void SetUnmountCallback(fit::closure on_unmount) { on_unmount_ = std::move(on_unmount); } |
| |
| private: |
| async_dispatcher_t* dispatcher_; |
| fit::closure on_unmount_; |
| |
| // These are initialized when ServeRoot is called. |
| fbl::RefPtr<fs::PseudoDir> outgoing_; |
| |
| // These are created when ServeRoot is called, and are consumed by a successful call to |
| // Configure. This causes any incoming requests to queue in the channel pair until we start |
| // serving the directories, after we start the filesystem and the services. |
| fidl::ServerEnd<fuchsia_io::Directory> svc_server_end_; |
| fidl::ServerEnd<fuchsia_io::Directory> root_server_end_; |
| |
| // These are only initialized by configure after a call to the startup service. |
| std::unique_ptr<Minfs> minfs_; |
| }; |
| |
| } // namespace minfs |
| |
| #endif // SRC_STORAGE_MINFS_COMPONENT_RUNNER_H_ |