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74 lines
2.4 KiB
74 lines
2.4 KiB
/*
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* Copyright (C) 2020 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 "compat_framework.h"
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#include <sys/types.h>
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#include <unistd.h>
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#include "android-base/logging.h"
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#include "thread-current-inl.h"
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namespace art {
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// Compat change states as strings.
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static constexpr char kUnknownChangeState[] = "UNKNOWN";
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static constexpr char kEnabledChangeState[] = "ENABLED";
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static constexpr char kDisabledChangeState[] = "DISABLED";
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static constexpr char kLoggedState[] = "LOGGED";
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CompatFramework::CompatFramework()
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: reported_compat_changes_lock_("reported compat changes lock") {}
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CompatFramework::~CompatFramework() {}
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bool CompatFramework::IsChangeEnabled(uint64_t change_id) {
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const auto enabled = disabled_compat_changes_.count(change_id) == 0;
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ReportChange(change_id, enabled ? ChangeState::kEnabled : ChangeState::kDisabled);
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return enabled;
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}
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void CompatFramework::LogChange(uint64_t change_id) {
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ReportChange(change_id, ChangeState::kLogged);
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}
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void CompatFramework::ReportChange(uint64_t change_id, ChangeState state) {
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MutexLock mu(Thread::Current(), reported_compat_changes_lock_);
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bool already_reported = reported_compat_changes_.count(change_id) != 0;
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if (already_reported) {
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return;
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}
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LOG(DEBUG) << "Compat change id reported: " << change_id << "; UID " << getuid()
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<< "; state: " << ChangeStateToString(state);
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// TODO(145743810): add an up call to java to log to statsd
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reported_compat_changes_.emplace(change_id);
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}
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std::string_view CompatFramework::ChangeStateToString(ChangeState state) {
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switch (state) {
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case ChangeState::kUnknown:
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return kUnknownChangeState;
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case ChangeState::kEnabled:
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return kEnabledChangeState;
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case ChangeState::kDisabled:
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return kDisabledChangeState;
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case ChangeState::kLogged:
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return kLoggedState;
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}
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}
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} // namespace art
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