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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 METRICSD_UPLOADER_METRICS_LOG_H_
#define METRICSD_UPLOADER_METRICS_LOG_H_
#include <string>
#include <base/files/file_path.h>
#include <base/macros.h>
#include "uploader/metrics_log_base.h"
// This file defines a set of user experience metrics data recorded by
// the MetricsService. This is the unit of data that is sent to the server.
class SystemProfileSetter;
// This class provides base functionality for logging metrics data.
class MetricsLog : public metrics::MetricsLogBase {
public:
// The constructor doesn't set any metadata. The metadata is only set by a
// SystemProfileSetter.
MetricsLog();
// Increment the crash counters in the protobuf.
// These methods don't have to be thread safe as metrics logs are only
// accessed by the uploader thread.
void IncrementUserCrashCount(unsigned int count);
void IncrementKernelCrashCount(unsigned int count);
void IncrementUncleanShutdownCount(unsigned int count);
// Populate the system profile with system information using setter.
bool PopulateSystemProfile(SystemProfileSetter* setter);
// Load the log from |path|.
bool LoadFromFile(const base::FilePath& path);
// Save this log to |path|.
bool SaveToFile(const base::FilePath& path);
private:
friend class UploadServiceTest;
FRIEND_TEST(UploadServiceTest, CurrentLogSavedAndResumed);
FRIEND_TEST(UploadServiceTest, LogContainsAggregatedValues);
FRIEND_TEST(UploadServiceTest, LogContainsCrashCounts);
FRIEND_TEST(UploadServiceTest, LogKernelCrash);
FRIEND_TEST(UploadServiceTest, LogUncleanShutdown);
FRIEND_TEST(UploadServiceTest, LogUserCrash);
FRIEND_TEST(UploadServiceTest, UnknownCrashIgnored);
DISALLOW_COPY_AND_ASSIGN(MetricsLog);
};
#endif // METRICSD_UPLOADER_METRICS_LOG_H_
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