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133 lines
4.4 KiB
133 lines
4.4 KiB
//
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// Copyright (C) 2014 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_UPDATE_MANAGER_UPDATER_PROVIDER_H_
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#define UPDATE_ENGINE_UPDATE_MANAGER_UPDATER_PROVIDER_H_
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#include <string>
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#include <base/time/time.h>
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#include "update_engine/update_manager/provider.h"
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#include "update_engine/update_manager/variable.h"
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namespace chromeos_update_manager {
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enum class Stage {
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kIdle,
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kCheckingForUpdate,
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kUpdateAvailable,
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kDownloading,
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kVerifying,
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kFinalizing,
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kUpdatedNeedReboot,
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kReportingErrorEvent,
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kAttemptingRollback,
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kCleanupPreviousUpdate,
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};
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enum class UpdateRequestStatus {
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kNone,
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kInteractive,
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kPeriodic,
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};
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// These enum values are a bit-field.
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enum UpdateRestrictions : int {
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kNone,
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kRestrictDownloading = (1 << 0),
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};
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// Provider for Chrome OS update related information.
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class UpdaterProvider : public Provider {
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public:
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~UpdaterProvider() override {}
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// A variable returning the timestamp when the update engine was started in
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// wallclock time.
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virtual Variable<base::Time>* var_updater_started_time() = 0;
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// A variable returning the last update check time.
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virtual Variable<base::Time>* var_last_checked_time() = 0;
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// A variable reporting the time when an update was last completed in the
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// current boot cycle. Returns an error if an update completed time could not
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// be read (e.g. no update was completed in the current boot cycle) or is
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// invalid.
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//
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// IMPORTANT: The time reported is not the wallclock time reading at the time
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// of the update, rather it is the point in time when the update completed
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// relative to the current wallclock time reading. Therefore, the gap between
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// the reported value and the current wallclock time is guaranteed to be
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// monotonically increasing.
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virtual Variable<base::Time>* var_update_completed_time() = 0;
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// A variable returning the update progress (0.0 to 1.0).
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virtual Variable<double>* var_progress() = 0;
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// A variable returning the current update status.
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virtual Variable<Stage>* var_stage() = 0;
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// A variable returning the update target version.
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virtual Variable<std::string>* var_new_version() = 0;
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// A variable returning the update payload size. The payload size is
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// guaranteed to be non-negative.
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virtual Variable<uint64_t>* var_payload_size() = 0;
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// A variable returning the current channel.
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virtual Variable<std::string>* var_curr_channel() = 0;
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// A variable returning the update target channel.
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virtual Variable<std::string>* var_new_channel() = 0;
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// A variable indicating whether user settings allow P2P updates.
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virtual Variable<bool>* var_p2p_enabled() = 0;
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// A variable indicating whether user settings allow updates over a cellular
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// network.
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virtual Variable<bool>* var_cellular_enabled() = 0;
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// A variable returning the number of consecutive failed update checks.
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virtual Variable<unsigned int>* var_consecutive_failed_update_checks() = 0;
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// A server-dictated update check interval in seconds, if one was given.
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virtual Variable<unsigned int>* var_server_dictated_poll_interval() = 0;
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// A variable denoting whether a forced update was request but no update check
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// performed yet; also tells whether this request is for an interactive or
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// scheduled update.
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virtual Variable<UpdateRequestStatus>* var_forced_update_requested() = 0;
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// A variable that returns the update restriction flags that are set
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// for all updates.
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virtual Variable<UpdateRestrictions>* var_update_restrictions() = 0;
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// A variable that returns the number of seconds for the first update check to
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// happen.
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virtual Variable<int64_t>* var_test_update_check_interval_timeout() = 0;
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protected:
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UpdaterProvider() {}
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private:
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DISALLOW_COPY_AND_ASSIGN(UpdaterProvider);
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};
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} // namespace chromeos_update_manager
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#endif // UPDATE_ENGINE_UPDATE_MANAGER_UPDATER_PROVIDER_H_
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