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/*
* Copyright 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "dumpsys/reflection_schema.h"
#include <string>
#include "bundler_schema_generated.h"
#include "flatbuffers/flatbuffers.h"
#include "flatbuffers/idl.h"
#include "os/log.h"
using namespace bluetooth;
dumpsys::ReflectionSchema::ReflectionSchema(const std::string& pre_bundled_schema)
: pre_bundled_schema_(pre_bundled_schema) {
bundled_schema_ = flatbuffers::GetRoot<bluetooth::dumpsys::BundledSchema>(pre_bundled_schema_.data());
ASSERT(bundled_schema_ != nullptr);
}
int dumpsys::ReflectionSchema::GetNumberOfBundledSchemas() const {
return bundled_schema_->map()->size();
}
std::string dumpsys::ReflectionSchema::GetTitle() const {
return bundled_schema_->title()->str();
}
std::string dumpsys::ReflectionSchema::GetRootName() const {
return bundled_schema_->root_name()->str();
}
const reflection::Schema* dumpsys::ReflectionSchema::GetRootReflectionSchema() const {
return FindInReflectionSchema(GetRootName());
}
const reflection::Schema* dumpsys::ReflectionSchema::FindInReflectionSchema(const std::string& name) const {
const flatbuffers::Vector<flatbuffers::Offset<bluetooth::dumpsys::BundledSchemaMap>>* map = bundled_schema_->map();
for (auto it = map->cbegin(); it != map->cend(); ++it) {
if (it->name()->str() == name) {
flatbuffers::Verifier verifier(reinterpret_cast<const uint8_t*>(it->data()->Data()), it->data()->size());
if (!reflection::VerifySchemaBuffer(verifier)) {
LOG_WARN("Unable to verify schema buffer name:%s", name.c_str());
return nullptr;
}
return reflection::GetSchema(it->data()->Data());
}
}
return nullptr;
}
void dumpsys::ReflectionSchema::PrintReflectionSchema() const {
const flatbuffers::Vector<flatbuffers::Offset<bluetooth::dumpsys::BundledSchemaMap>>* map = bundled_schema_->map();
LOG_INFO(
" Bundled schema title:%s root_name:%s",
bundled_schema_->title()->c_str(),
bundled_schema_->root_name()->c_str());
for (auto it = map->cbegin(); it != map->cend(); ++it) {
LOG_INFO(" schema:%s", it->name()->c_str());
}
}
bool dumpsys::ReflectionSchema::VerifyReflectionSchema() const {
const flatbuffers::Vector<flatbuffers::Offset<bluetooth::dumpsys::BundledSchemaMap>>* map = bundled_schema_->map();
for (auto it = map->cbegin(); it != map->cend(); ++it) {
flatbuffers::Verifier verifier(reinterpret_cast<const uint8_t*>(it->data()->Data()), it->data()->size());
if (!reflection::VerifySchemaBuffer(verifier)) {
return false;
}
}
return true;
}
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