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/*
* Copyright (C) 2019 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 "src/trace_processor/importers/proto/metadata_tracker.h"
#include "src/trace_processor/importers/common/process_tracker.h"
#include "src/trace_processor/types/trace_processor_context.h"
namespace perfetto {
namespace trace_processor {
MetadataTracker::MetadataTracker(TraceProcessorContext* context)
: context_(context) {
for (uint32_t i = 0; i < kNumKeys; ++i) {
key_ids_[i] = context->storage->InternString(metadata::kNames[i]);
}
for (uint32_t i = 0; i < kNumKeyTypes; ++i) {
key_type_ids_[i] =
context->storage->InternString(metadata::kKeyTypeNames[i]);
}
}
MetadataId MetadataTracker::SetMetadata(metadata::KeyIDs key, Variadic value) {
PERFETTO_DCHECK(metadata::kKeyTypes[key] == metadata::KeyType::kSingle);
PERFETTO_DCHECK(value.type == metadata::kValueTypes[key]);
auto* metadata_table = context_->storage->mutable_metadata_table();
uint32_t key_idx = static_cast<uint32_t>(key);
base::Optional<uint32_t> opt_row =
metadata_table->name().IndexOf(metadata::kNames[key_idx]);
if (opt_row) {
WriteValue(*opt_row, value);
return metadata_table->id()[*opt_row];
}
tables::MetadataTable::Row row;
row.name = key_ids_[key_idx];
row.key_type = key_type_ids_[static_cast<size_t>(metadata::KeyType::kSingle)];
auto id_and_row = metadata_table->Insert(row);
WriteValue(id_and_row.row, value);
return id_and_row.id;
}
MetadataId MetadataTracker::AppendMetadata(metadata::KeyIDs key,
Variadic value) {
PERFETTO_DCHECK(key < metadata::kNumKeys);
PERFETTO_DCHECK(metadata::kKeyTypes[key] == metadata::KeyType::kMulti);
PERFETTO_DCHECK(value.type == metadata::kValueTypes[key]);
uint32_t key_idx = static_cast<uint32_t>(key);
tables::MetadataTable::Row row;
row.name = key_ids_[key_idx];
row.key_type = key_type_ids_[static_cast<size_t>(metadata::KeyType::kMulti)];
auto* metadata_table = context_->storage->mutable_metadata_table();
auto id_and_row = metadata_table->Insert(row);
WriteValue(id_and_row.row, value);
return id_and_row.id;
}
void MetadataTracker::WriteValue(uint32_t row, Variadic value) {
auto* metadata_table = context_->storage->mutable_metadata_table();
switch (value.type) {
case Variadic::Type::kInt:
metadata_table->mutable_int_value()->Set(row, value.int_value);
break;
case Variadic::Type::kString:
metadata_table->mutable_str_value()->Set(row, value.string_value);
break;
case Variadic::Type::kJson:
case Variadic::Type::kBool:
case Variadic::Type::kPointer:
case Variadic::Type::kUint:
case Variadic::Type::kReal:
PERFETTO_FATAL("Unsupported value type");
}
}
} // namespace trace_processor
} // namespace perfetto
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