79 lines
3.2 KiB
C++
79 lines
3.2 KiB
C++
//
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// Copyright (C) 2016 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_SERVICE_DELEGATE_ANDROID_INTERFACE_H_
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#define UPDATE_ENGINE_SERVICE_DELEGATE_ANDROID_INTERFACE_H_
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#include <inttypes.h>
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#include <string>
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#include <vector>
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#include <brillo/errors/error.h>
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namespace chromeos_update_engine {
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// This class defines the interface exposed by the Android version of the
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// daemon service. This interface only includes the method calls that such
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// daemon exposes. For asynchronous events initiated by a class implementing
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// this interface see the ServiceObserverInterface class.
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class ServiceDelegateAndroidInterface {
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public:
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virtual ~ServiceDelegateAndroidInterface() = default;
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// Start an update attempt to download an apply the provided |payload_url| if
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// no other update is running. The extra |key_value_pair_headers| will be
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// included when fetching the payload. Returns whether the update was started
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// successfully, which means that no other update was running and the passed
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// parameters were correct, but not necessarily that the update finished
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// correctly.
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virtual bool ApplyPayload(
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const std::string& payload_url,
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int64_t payload_offset,
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int64_t payload_size,
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const std::vector<std::string>& key_value_pair_headers,
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brillo::ErrorPtr* error) = 0;
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// Suspend an ongoing update. Returns true if there was an update ongoing and
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// it was suspended. In case of failure, it returns false and sets |error|
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// accordingly.
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virtual bool SuspendUpdate(brillo::ErrorPtr* error) = 0;
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// Resumes an update suspended with SuspendUpdate(). The update can't be
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// suspended after it finished and this method will fail in that case.
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// Returns whether the resume operation was successful, which only implies
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// that there was a suspended update. In case of error, returns false and sets
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// |error| accordingly.
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virtual bool ResumeUpdate(brillo::ErrorPtr* error) = 0;
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// Cancel the ongoing update. The update could be running or suspended, but it
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// can't be canceled after it was done. In case of error, returns false and
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// sets |error| accordingly.
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virtual bool CancelUpdate(brillo::ErrorPtr* error) = 0;
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// Reset the already applied update back to an idle state. This method can
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// only be called when no update attempt is going on, and it will reset the
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// status back to idle, deleting the currently applied update if any. In case
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// of error, returns false and sets |error| accordingly.
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virtual bool ResetStatus(brillo::ErrorPtr* error) = 0;
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protected:
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ServiceDelegateAndroidInterface() = default;
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};
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_SERVICE_DELEGATE_ANDROID_INTERFACE_H_
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