//
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// Copyright (C) 2017 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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#include "update_engine/update_manager/enough_slots_ab_updates_policy_impl.h"
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namespace chromeos_update_manager {
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// Do not perform any updates if booted from removable device. This decision
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// is final.
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EvalStatus EnoughSlotsAbUpdatesPolicyImpl::UpdateCheckAllowed(
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EvaluationContext* ec,
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State* state,
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std::string* error,
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UpdateCheckParams* result) const {
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const auto* num_slots_p =
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ec->GetValue(state->system_provider()->var_num_slots());
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if (num_slots_p == nullptr || *num_slots_p < 2) {
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LOG(INFO) << "Not enough slots for A/B updates, disabling update checks.";
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result->updates_enabled = false;
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return EvalStatus::kSucceeded;
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}
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return EvalStatus::kContinue;
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}
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} // namespace chromeos_update_manager
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