src/devices/lib/compat/connect.h

// 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_DEVICES_LIB_COMPAT_CONNECT_H_
#define SRC_DEVICES_LIB_COMPAT_CONNECT_H_

#include <fidl/fuchsia.driver.compat/cpp/wire.h>
#include <fidl/fuchsia.io/cpp/wire.h>
#include <lib/driver2/namespace.h>
#include <lib/fit/defer.h>

namespace compat {

using EntriesCallback = fit::callback<void(zx::status<std::vector<std::string>>)>;
// Make an async call to the directory to get all of the existing entries, and calls the callback
// with a vector of strings for each entry.
void FindDirectoryEntries(fidl::ClientEnd<fuchsia_io::Directory> dir,
                          async_dispatcher_t* dispatcher, EntriesCallback cb);

struct ParentDevice {
  std::string name;
  fidl::ClientEnd<fuchsia_driver_compat::Device> client;
};

using ConnectCallback = fit::callback<void(zx::status<std::vector<ParentDevice>>)>;
// Asynchronously connect to each of the parent devices.
void ConnectToParentDevices(async_dispatcher_t* dispatcher, const driver::Namespace* ns,
                            ConnectCallback cb);

}  // namespace compat

#endif  // SRC_DEVICES_LIB_COMPAT_CONNECT_H_