blob: dc79519d1f341ebfe0558940c88a36f0e9c74aa3 [file] [log] [blame]
/*
* 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.
*/
#pragma once
#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
#include <string>
namespace android {
namespace os {
namespace statsd {
using std::hash;
using std::string;
/**
* Uniquely identifies a configuration.
*/
class ConfigKey {
public:
ConfigKey();
explicit ConfigKey(const ConfigKey& that);
ConfigKey(int uid, const int64_t& id);
~ConfigKey();
inline int GetUid() const {
return mUid;
}
inline const int64_t& GetId() const {
return mId;
}
inline bool operator<(const ConfigKey& that) const {
if (mUid < that.mUid) {
return true;
}
if (mUid > that.mUid) {
return false;
}
return mId < that.mId;
};
inline bool operator==(const ConfigKey& that) const {
return mUid == that.mUid && mId == that.mId;
};
string ToString() const;
private:
int64_t mId;
int mUid;
};
int64_t StrToInt64(const string& str);
} // namespace statsd
} // namespace os
} // namespace android
/**
* A hash function for ConfigKey so it can be used for unordered_map/set.
* Unfortunately this has to go in std namespace because C++ is fun!
*/
namespace std {
using android::os::statsd::ConfigKey;
template <>
struct hash<ConfigKey> {
std::size_t operator()(const ConfigKey& key) const {
return (7 * key.GetUid()) ^ ((hash<long long>()(key.GetId())));
}
};
} // namespace std