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