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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/metrics/structured/test/test_key_data_provider.h"
#include "base/check.h"
#include "base/time/time.h"
#include "components/metrics/structured/key_data_provider_file.h"
#include "components/metrics/structured/structured_metrics_validator.h"
namespace metrics::structured {
TestKeyDataProvider::TestKeyDataProvider(const base::FilePath& device_key_path)
: TestKeyDataProvider(device_key_path, base::FilePath()) {}
TestKeyDataProvider::TestKeyDataProvider(const base::FilePath& device_key_path,
const base::FilePath& profile_key_path)
: device_key_path_(device_key_path), profile_key_path_(profile_key_path) {
device_key_data_ = std::make_unique<KeyDataProviderFile>(
device_key_path_, base::Milliseconds(0));
device_key_data_->AddObserver(this);
}
TestKeyDataProvider::~TestKeyDataProvider() {
device_key_data_->RemoveObserver(this);
if (profile_key_data_) {
profile_key_data_->RemoveObserver(this);
}
}
std::optional<uint64_t> TestKeyDataProvider::GetId(
const std::string& project_name) {
// Validates the event. If valid, retrieve the metadata associated
// with the event.
const auto* project_validator =
validator::Validators::Get()->GetProjectValidator(project_name);
if (!project_validator) {
return std::nullopt;
}
switch (project_validator->id_scope()) {
case IdScope::kPerProfile: {
if (profile_key_data_) {
return profile_key_data_->GetId(project_name);
}
break;
}
case IdScope::kPerDevice: {
if (project_validator->event_type() ==
StructuredEventProto_EventType_SEQUENCE) {
if (!profile_key_data_) {
return std::nullopt;
}
return profile_key_data_->GetId(project_name);
} else if (device_key_data_) {
return device_key_data_->GetId(project_name);
}
break;
}
default:
NOTREACHED();
}
return std::nullopt;
}
std::optional<uint64_t> TestKeyDataProvider::GetSecondaryId(
const std::string& project_name) {
const auto* project_validator =
validator::Validators::Get()->GetProjectValidator(project_name);
if (!project_validator) {
return std::nullopt;
}
// Only SEQUENCE types have secondary ids.
if (project_validator->event_type() !=
StructuredEventProto_EventType_SEQUENCE) {
return std::nullopt;
}
DCHECK(device_key_data_);
if (device_key_data_ && device_key_data_->IsReady()) {
return device_key_data_->GetId(project_name);
}
return std::nullopt;
}
KeyData* TestKeyDataProvider::GetKeyData(const std::string& project_name) {
// Validates the event. If valid, retrieve the metadata associated
// with the event.
const auto* project_validator =
validator::Validators::Get()->GetProjectValidator(project_name);
if (!project_validator) {
return nullptr;
}
switch (project_validator->id_scope()) {
case IdScope::kPerProfile: {
if (profile_key_data_) {
return profile_key_data_->GetKeyData(project_name);
}
break;
}
case IdScope::kPerDevice: {
if (project_validator->event_type() ==
StructuredEventProto_EventType_SEQUENCE) {
if (!profile_key_data_) {
return nullptr;
}
return profile_key_data_->GetKeyData(project_name);
} else if (device_key_data_) {
return device_key_data_->GetKeyData(project_name);
}
break;
}
default:
NOTREACHED();
}
return nullptr;
}
bool TestKeyDataProvider::IsReady() {
return device_key_data_->IsReady();
}
void TestKeyDataProvider::OnProfileAdded(const base::FilePath& profile_path) {
// If the profile path has not been set, then set it here.
if (profile_key_path_.empty()) {
profile_key_path_ = profile_path;
}
DCHECK(!profile_key_path_.empty());
profile_key_data_ = std::make_unique<KeyDataProviderFile>(
profile_key_path_, base::Milliseconds(0));
profile_key_data_->AddObserver(this);
}
void TestKeyDataProvider::Purge() {
if (profile_key_data_->IsReady()) {
profile_key_data_->Purge();
}
if (device_key_data_->IsReady()) {
device_key_data_->Purge();
}
}
void TestKeyDataProvider::OnKeyReady() {
// Notifies observers both when device and profile keys are ready.
NotifyKeyReady();
}
} // namespace metrics::structured
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