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/*
* Copyright (C) 2017 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 _UID_INFO_H_
#define _UID_INFO_H_
#include <string>
#include <unordered_map>
#include <binder/Parcelable.h>
namespace android {
namespace os {
namespace storaged {
enum uid_stat_t {
FOREGROUND = 0,
BACKGROUND = 1,
UID_STATS = 2
};
enum charger_stat_t {
CHARGER_OFF = 0,
CHARGER_ON = 1,
CHARGER_STATS = 2
};
enum io_type_t {
READ = 0,
WRITE = 1,
IO_TYPES = 2
};
struct io_stats {
uint64_t rchar; // characters read
uint64_t wchar; // characters written
uint64_t read_bytes; // bytes read (from storage layer)
uint64_t write_bytes; // bytes written (to storage layer)
uint64_t fsync; // number of fsync syscalls
};
class task_info {
public:
std::string comm;
pid_t pid;
io_stats io[UID_STATS];
bool parse_task_io_stats(std::string&& s);
};
class UidInfo : public Parcelable {
public:
uint32_t uid; // user id
std::string name; // package name
io_stats io[UID_STATS]; // [0]:foreground [1]:background
std::unordered_map<uint32_t, task_info> tasks; // mapped from pid
status_t writeToParcel(Parcel* parcel) const override;
status_t readFromParcel(const Parcel* parcel) override;
};
} // namespace storaged
} // namespace os
} // namespace android
#endif /* _UID_INFO_H_ */
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