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//
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_
#define UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_
#include <stdint.h>
#include <string>
#include <vector>
#include <utils/Errors.h>
#include <utils/String16.h>
#include <utils/StrongPointer.h>
#include "android/os/BnUpdateEngine.h"
#include "android/os/IUpdateEngineCallback.h"
#include "update_engine/service_delegate_android_interface.h"
#include "update_engine/service_observer_interface.h"
namespace chromeos_update_engine {
class BinderUpdateEngineAndroidService : public android::os::BnUpdateEngine,
public ServiceObserverInterface {
public:
explicit BinderUpdateEngineAndroidService(
ServiceDelegateAndroidInterface* service_delegate);
~BinderUpdateEngineAndroidService() override = default;
const char* ServiceName() const { return "android.os.UpdateEngineService"; }
// ServiceObserverInterface overrides.
void SendStatusUpdate(
const update_engine::UpdateEngineStatus& update_engine_status) override;
void SendPayloadApplicationComplete(ErrorCode error_code) override;
// android::os::BnUpdateEngine overrides.
android::binder::Status applyPayload(
const android::String16& url,
int64_t payload_offset,
int64_t payload_size,
const std::vector<android::String16>& header_kv_pairs) override;
android::binder::Status applyPayloadFd(
const ::android::os::ParcelFileDescriptor& pfd,
int64_t payload_offset,
int64_t payload_size,
const std::vector<android::String16>& header_kv_pairs) override;
android::binder::Status bind(
const android::sp<android::os::IUpdateEngineCallback>& callback,
bool* return_value) override;
android::binder::Status unbind(
const android::sp<android::os::IUpdateEngineCallback>& callback,
bool* return_value) override;
android::binder::Status suspend() override;
android::binder::Status resume() override;
android::binder::Status cancel() override;
android::binder::Status resetStatus() override;
android::binder::Status verifyPayloadApplicable(
const android::String16& metadata_filename, bool* return_value) override;
android::binder::Status allocateSpaceForPayload(
const android::String16& metadata_filename,
const std::vector<android::String16>& header_kv_pairs,
int64_t* return_value) override;
android::binder::Status cleanupSuccessfulUpdate(
const android::sp<android::os::IUpdateEngineCallback>& callback) override;
private:
// Remove the passed |callback| from the list of registered callbacks. Called
// on unbind() or whenever the callback object is destroyed.
// Returns true on success.
bool UnbindCallback(const IBinder* callback);
// List of currently bound callbacks.
std::vector<android::sp<android::os::IUpdateEngineCallback>> callbacks_;
// Cached copy of the last status update sent. Used to send an initial
// notification when bind() is called from the client.
int last_status_{-1};
double last_progress_{0.0};
ServiceDelegateAndroidInterface* service_delegate_;
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_BINDER_SERVICE_ANDROID_H_