blob: 08607ebe672bf0e3a0add0d723e48937670463c7 [file] [log] [blame]
// 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.
#include <fidl/fuchsia.process.lifecycle/cpp/wire.h>
#include <lib/zx/result.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 {
explicit ComponentRunner(async_dispatcher_t* dispatcher);
ComponentRunner(const ComponentRunner&) = delete;
ComponentRunner& operator=(const ComponentRunner&) = delete;
zx::result<> ServeRoot(fidl::ServerEnd<fuchsia_io::Directory> root,
fidl::ServerEnd<fuchsia_process_lifecycle::Lifecycle> lifecycle);
zx::result<> Configure(std::unique_ptr<Bcache> bcache, const MountOptions& options);
// fs::ManagedVfs interface
void Shutdown(fs::FuchsiaVfs::ShutdownCallback cb) final;
zx::result<fs::FilesystemInfo> GetFilesystemInfo() final;
void OnNoConnections() final;
void SetUnmountCallback(fit::closure on_unmount) { on_unmount_ = std::move(on_unmount); }
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