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// Copyright (C) 2019 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 IORAP_SRC_DB_FILE_MODELS_H_
#define IORAP_SRC_DB_FILE_MODELS_H_
#include <optional>
#include <ostream>
#include <string>
namespace iorap::db {
struct VersionedComponentName {
VersionedComponentName(std::string package,
std::string activity,
int64_t version)
: package_{std::move(package)},
activity_{std::move(activity)},
version_{version} {
}
const std::string& GetPackage() const {
return package_;
}
const std::string& GetActivity() const {
return activity_;
}
int GetVersion() const {
return version_;
}
private:
std::string package_;
std::string activity_;
int64_t version_;
};
inline std::ostream& operator<<(std::ostream& os, const VersionedComponentName& vcn) {
os << vcn.GetPackage() << "/" << vcn.GetActivity() << "@" << vcn.GetVersion();
return os;
}
class FileModelBase {
protected:
FileModelBase(VersionedComponentName vcn);
virtual std::string SubDir() const = 0;
// Include the last file component only (/a/b/c.txt -> c.txt)
virtual std::string BaseFile() const = 0;
virtual ~FileModelBase() {}
public:
virtual std::string ModelName() const = 0;
// Return the absolute file path to this FileModel.
std::string FilePath() const;
// Include the full path minus the basefile (/a/b/c.txt -> /a/b)
std::string BaseDir() const;
// Create the base dir recursively (e.g. mkdir -p $basedir).
bool MkdirWithParents();
private:
VersionedComponentName vcn_;
std::string subdir_;
std::string filename_;
std::string root_path_;
};
inline std::ostream& operator<<(std::ostream& os, const FileModelBase& fmb) {
os << fmb.ModelName() << "{'" << fmb.FilePath() << "'}";
return os;
}
class DbHandle;
class PerfettoTraceFileModel : public FileModelBase {
protected:
virtual std::string ModelName() const override { return "PerfettoTrace"; }
virtual std::string SubDir() const override { return "raw_traces"; }
virtual std::string BaseFile() const override;
PerfettoTraceFileModel(VersionedComponentName vcn,
uint64_t timestamp);
public:
static PerfettoTraceFileModel CalculateNewestFilePath(VersionedComponentName vcn);
static void DeleteOlderFiles(DbHandle& db, VersionedComponentName vcn);
static bool NeedMorePerfettoTraces(DbHandle& db, VersionedComponentName vcn);
virtual ~PerfettoTraceFileModel() {}
private:
uint64_t timestamp_;
};
class CompiledTraceFileModel : public FileModelBase {
protected:
virtual std::string ModelName() const override { return "CompiledTrace"; }
virtual std::string SubDir() const override { return "compiled_traces"; }
virtual std::string BaseFile() const override;
CompiledTraceFileModel(VersionedComponentName vcn);
public:
static CompiledTraceFileModel CalculateNewestFilePath(VersionedComponentName vcn);
virtual ~CompiledTraceFileModel() {}
};
} // namespace iorap::db
#endif // IORAP_SRC_DB_FILE_MODELS_H_
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