276 lines
11 KiB
C++
276 lines
11 KiB
C++
/*
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* Copyright (C) 2021 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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#define DEBUG false // STOPSHIP if true
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#define LOG_TAG "StatsAidl"
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#define VLOG(...) \
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if (DEBUG) ALOGD(__VA_ARGS__);
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#include "StatsAidl.h"
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#include <Counter.h>
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#include <log/log.h>
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#include <stats_annotations.h>
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#include <stats_event.h>
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#include <statslog.h>
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#include <unordered_map>
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namespace {
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static const char* g_AtomErrorMetricName =
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"statsd_errors.value_report_vendor_atom_errors_count";
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}
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namespace aidl {
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namespace android {
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namespace frameworks {
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namespace stats {
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using ::android::expresslog::Counter;
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template <typename E>
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constexpr typename std::underlying_type<E>::type to_underlying(E e) noexcept {
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return static_cast<typename std::underlying_type<E>::type>(e);
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}
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StatsHal::StatsHal() {
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}
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bool write_annotation(AStatsEvent* event, const Annotation& annotation) {
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switch (annotation.value.getTag()) {
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case AnnotationValue::boolValue: {
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AStatsEvent_addBoolAnnotation(event, to_underlying(annotation.annotationId),
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annotation.value.get<AnnotationValue::boolValue>());
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break;
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}
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case AnnotationValue::intValue: {
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AStatsEvent_addInt32Annotation(event, to_underlying(annotation.annotationId),
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annotation.value.get<AnnotationValue::intValue>());
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break;
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}
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default: {
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return false;
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}
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}
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return true;
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}
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bool write_atom_annotations(AStatsEvent* event,
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const std::vector<std::optional<Annotation>>& annotations) {
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for (const auto& atomAnnotation : annotations) {
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if (!atomAnnotation) {
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return false;
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}
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if (!write_annotation(event, *atomAnnotation)) {
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return false;
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}
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}
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return true;
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}
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bool write_field_annotations(AStatsEvent* event, const std::vector<Annotation>& annotations) {
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for (const auto& fieldAnnotation : annotations) {
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if (!write_annotation(event, fieldAnnotation)) {
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return false;
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}
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}
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return true;
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}
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ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
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if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
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ALOGE("Atom ID %ld is not a valid vendor atom ID", (long)vendorAtom.atomId);
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Counter::logIncrement(g_AtomErrorMetricName);
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return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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-1, "Not a valid vendor atom ID");
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}
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if (vendorAtom.reverseDomainName.length() > 50) {
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ALOGE("Vendor atom reverse domain name %s is too long.",
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vendorAtom.reverseDomainName.c_str());
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Counter::logIncrement(g_AtomErrorMetricName);
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return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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-1, "Vendor atom reverse domain name is too long");
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}
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AStatsEvent* event = AStatsEvent_obtain();
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AStatsEvent_setAtomId(event, vendorAtom.atomId);
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if (vendorAtom.atomAnnotations) {
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if (!write_atom_annotations(event, *vendorAtom.atomAnnotations)) {
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AStatsEvent_release(event);
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ALOGE("Atom ID %ld has incompatible atom level annotation", (long)vendorAtom.atomId);
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Counter::logIncrement(g_AtomErrorMetricName);
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return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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-1, "invalid atom annotation");
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}
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}
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// populate map for quickier access for VendorAtomValue associated annotations by value index
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std::unordered_map<int, int> fieldIndexToAnnotationSetMap;
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if (vendorAtom.valuesAnnotations) {
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const std::vector<std::optional<AnnotationSet>>& valuesAnnotations =
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*vendorAtom.valuesAnnotations;
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for (int i = 0; i < valuesAnnotations.size(); i++) {
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if (valuesAnnotations[i]) {
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fieldIndexToAnnotationSetMap[valuesAnnotations[i]->valueIndex] = i;
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}
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}
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}
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AStatsEvent_writeString(event, vendorAtom.reverseDomainName.c_str());
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size_t atomValueIdx = 0;
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for (const auto& atomValue : vendorAtom.values) {
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switch (atomValue.getTag()) {
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case VendorAtomValue::intValue:
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AStatsEvent_writeInt32(event, atomValue.get<VendorAtomValue::intValue>());
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break;
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case VendorAtomValue::longValue:
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AStatsEvent_writeInt64(event, atomValue.get<VendorAtomValue::longValue>());
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break;
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case VendorAtomValue::floatValue:
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AStatsEvent_writeFloat(event, atomValue.get<VendorAtomValue::floatValue>());
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break;
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case VendorAtomValue::stringValue:
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AStatsEvent_writeString(event,
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atomValue.get<VendorAtomValue::stringValue>().c_str());
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break;
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case VendorAtomValue::boolValue:
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AStatsEvent_writeBool(event, atomValue.get<VendorAtomValue::boolValue>());
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break;
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case VendorAtomValue::repeatedIntValue: {
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const std::optional<std::vector<int>>& repeatedIntValue =
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atomValue.get<VendorAtomValue::repeatedIntValue>();
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if (!repeatedIntValue) {
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AStatsEvent_writeInt32Array(event, {}, 0);
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break;
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}
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AStatsEvent_writeInt32Array(event, repeatedIntValue->data(),
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repeatedIntValue->size());
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break;
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}
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case VendorAtomValue::repeatedLongValue: {
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const std::optional<std::vector<int64_t>>& repeatedLongValue =
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atomValue.get<VendorAtomValue::repeatedLongValue>();
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if (!repeatedLongValue) {
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AStatsEvent_writeInt64Array(event, {}, 0);
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break;
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}
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AStatsEvent_writeInt64Array(event, repeatedLongValue->data(),
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repeatedLongValue->size());
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break;
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}
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case VendorAtomValue::repeatedFloatValue: {
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const std::optional<std::vector<float>>& repeatedFloatValue =
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atomValue.get<VendorAtomValue::repeatedFloatValue>();
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if (!repeatedFloatValue) {
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AStatsEvent_writeFloatArray(event, {}, 0);
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break;
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}
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AStatsEvent_writeFloatArray(event, repeatedFloatValue->data(),
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repeatedFloatValue->size());
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break;
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}
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case VendorAtomValue::repeatedStringValue: {
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const std::optional<std::vector<std::optional<std::string>>>& repeatedStringValue =
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atomValue.get<VendorAtomValue::repeatedStringValue>();
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if (!repeatedStringValue) {
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AStatsEvent_writeStringArray(event, {}, 0);
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break;
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}
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const std::vector<std::optional<std::string>>& repeatedStringVector =
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*repeatedStringValue;
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const char* cStringArray[repeatedStringVector.size()];
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for (int i = 0; i < repeatedStringVector.size(); ++i) {
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cStringArray[i] = repeatedStringVector[i].has_value()
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? repeatedStringVector[i]->c_str()
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: "";
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}
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AStatsEvent_writeStringArray(event, cStringArray, repeatedStringVector.size());
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break;
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}
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case VendorAtomValue::repeatedBoolValue: {
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const std::optional<std::vector<bool>>& repeatedBoolValue =
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atomValue.get<VendorAtomValue::repeatedBoolValue>();
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if (!repeatedBoolValue) {
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AStatsEvent_writeBoolArray(event, {}, 0);
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break;
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}
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const std::vector<bool>& repeatedBoolVector = *repeatedBoolValue;
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bool boolArray[repeatedBoolValue->size()];
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for (int i = 0; i < repeatedBoolVector.size(); ++i) {
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boolArray[i] = repeatedBoolVector[i];
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}
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AStatsEvent_writeBoolArray(event, boolArray, repeatedBoolVector.size());
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break;
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}
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case VendorAtomValue::byteArrayValue: {
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const std::optional<std::vector<uint8_t>>& byteArrayValue =
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atomValue.get<VendorAtomValue::byteArrayValue>();
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if (!byteArrayValue) {
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AStatsEvent_writeByteArray(event, {}, 0);
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break;
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}
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AStatsEvent_writeByteArray(event, byteArrayValue->data(), byteArrayValue->size());
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break;
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}
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default: {
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AStatsEvent_release(event);
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ALOGE("Atom ID %ld has invalid atomValue.getTag", (long)vendorAtom.atomId);
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Counter::logIncrement(g_AtomErrorMetricName);
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return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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-1, "invalid atomValue.getTag");
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break;
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}
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}
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const auto& valueAnnotationIndex = fieldIndexToAnnotationSetMap.find(atomValueIdx);
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if (valueAnnotationIndex != fieldIndexToAnnotationSetMap.end()) {
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const std::vector<Annotation>& fieldAnnotations =
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(*vendorAtom.valuesAnnotations)[valueAnnotationIndex->second]->annotations;
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VLOG("Atom ID %ld has %ld annotations for field #%ld", (long)vendorAtom.atomId,
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(long)fieldAnnotations.size(), (long)atomValueIdx + 2);
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if (!write_field_annotations(event, fieldAnnotations)) {
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AStatsEvent_release(event);
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ALOGE("Atom ID %ld has incompatible field level annotation for field #%ld",
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(long)vendorAtom.atomId, (long)atomValueIdx + 2);
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Counter::logIncrement(g_AtomErrorMetricName);
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return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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-1, "invalid atom field annotation");
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}
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}
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atomValueIdx++;
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}
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AStatsEvent_build(event);
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const int ret = AStatsEvent_write(event);
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AStatsEvent_release(event);
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if (ret <= 0) {
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ALOGE("Error writing Atom ID %ld. Result: %d", (long)vendorAtom.atomId, ret);
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Counter::logIncrement(g_AtomErrorMetricName);
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}
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return ret <= 0 ? ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret,
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"report atom failed")
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: ndk::ScopedAStatus::ok();
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}
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} // namespace stats
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} // namespace frameworks
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} // namespace android
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} // namespace aidl
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