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/*
* Copyright (C) 2015 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.
*/
#ifndef METRICS_UPLOADER_SYSTEM_PROFILE_CACHE_H_
#define METRICS_UPLOADER_SYSTEM_PROFILE_CACHE_H_
#include <stdint.h>
#include <string>
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "persistent_integer.h"
#include "uploader/proto/system_profile.pb.h"
#include "uploader/system_profile_setter.h"
namespace metrics {
class ChromeUserMetricsExtension;
}
struct SystemProfile {
std::string version;
std::string model_manifest_id;
std::string client_id;
int session_id;
metrics::SystemProfileProto::Channel channel;
std::string product_id;
};
// Retrieves general system informations needed by the protobuf for context and
// remembers them to avoid expensive calls.
//
// The cache is populated lazily. The only method needed is Populate.
class SystemProfileCache : public SystemProfileSetter {
public:
SystemProfileCache();
SystemProfileCache(bool testing, const base::FilePath& metrics_directory);
// Populates the ProfileSystem protobuf with system information.
bool Populate(metrics::ChromeUserMetricsExtension* metrics_proto) override;
// Converts a string representation of the channel to a
// SystemProfileProto_Channel
static metrics::SystemProfileProto_Channel ProtoChannelFromString(
const std::string& channel);
// Gets the persistent GUID and create it if it has not been created yet.
static std::string GetPersistentGUID(const std::string& filename);
private:
friend class UploadServiceTest;
FRIEND_TEST(UploadServiceTest, ExtractChannelFromDescription);
FRIEND_TEST(UploadServiceTest, ReadKeyValueFromFile);
FRIEND_TEST(UploadServiceTest, SessionIdIncrementedAtInitialization);
FRIEND_TEST(UploadServiceTest, ValuesInConfigFileAreSent);
FRIEND_TEST(UploadServiceTest, ProductIdMandatory);
// Fetches all informations and populates |profile_|
bool Initialize();
// Initializes |profile_| only if it has not been yet initialized.
bool InitializeOrCheck();
bool initialized_;
bool testing_;
base::FilePath metrics_directory_;
scoped_ptr<chromeos_metrics::PersistentInteger> session_id_;
SystemProfile profile_;
};
#endif // METRICS_UPLOADER_SYSTEM_PROFILE_CACHE_H_