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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/swap_management/swap_management_client.h"
#include "base/memory/raw_ptr.h"
#include "chromeos/ash/components/dbus/swap_management/fake_swap_management_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/object_proxy.h"
namespace ash {
namespace {
SwapManagementClient* g_instance = nullptr;
// The SwapManagementClient implementation used in production.
class SwapManagementClientImpl : public SwapManagementClient {
public:
SwapManagementClientImpl() = default;
SwapManagementClientImpl(const SwapManagementClientImpl&) = delete;
SwapManagementClientImpl& operator=(const SwapManagementClientImpl&) = delete;
~SwapManagementClientImpl() override = default;
void Init(dbus::Bus* bus) override {
swap_management_proxy_ = bus->GetObjectProxy(
swap_management::kSwapManagementServiceName,
dbus::ObjectPath(swap_management::kSwapManagementServicePath));
}
void MGLRUSetEnable(uint8_t value,
chromeos::VoidDBusMethodCallback callback) override {
dbus::MethodCall method_call(swap_management::kSwapManagementInterface,
swap_management::kMGLRUSetEnable);
dbus::MessageWriter writer(&method_call);
writer.AppendByte(value);
swap_management_proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&SwapManagementClientImpl::OnResponse,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
private:
void OnResponse(chromeos::VoidDBusMethodCallback callback,
dbus::Response* response) {
std::move(callback).Run(response != nullptr);
}
raw_ptr<dbus::ObjectProxy> swap_management_proxy_ = nullptr;
base::WeakPtrFactory<SwapManagementClientImpl> weak_ptr_factory_{this};
};
} // namespace
// static
SwapManagementClient* SwapManagementClient::Get() {
return g_instance;
}
// static
void SwapManagementClient::Initialize(dbus::Bus* bus) {
CHECK(bus);
CHECK(!g_instance);
g_instance = new SwapManagementClientImpl();
g_instance->Init(bus);
}
// static
void SwapManagementClient::InitializeFake() {
CHECK(!g_instance);
g_instance = new FakeSwapManagementClient();
g_instance->Init(nullptr);
}
// static
void SwapManagementClient::Shutdown() {
CHECK(g_instance);
delete g_instance;
g_instance = nullptr;
}
SwapManagementClient::SwapManagementClient() = default;
SwapManagementClient::~SwapManagementClient() = default;
} // namespace ash
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