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/*
* Copyright (C) 2016-2017, Egor Pugin
*
* 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 "cppan_string.h"
#include "dependency.h"
#include "filesystem.h"
#include <primitives/date_time.h>
#include <chrono>
#include <memory>
#include <vector>
class SqliteDatabase;
struct Package;
struct TableDescriptor
{
String name;
String query;
};
using TableDescriptors = const std::vector<TableDescriptor>;
struct StartupAction
{
enum Type
{
// append only
ClearCache = 0,
ServiceDbClearConfigHashes = (1 << 0),
CheckSchema = (1 << 1),
ClearStorageDirExp = (1 << 2),
ClearSourceGroups = (1 << 3),
ClearStorageDirBin = (1 << 4),
ClearStorageDirLib = (1 << 5),
ClearCfgDirs = (1 << 6),
ClearPackagesDatabase = (1 << 7),
ClearStorageDirObj = (1 << 8),
ClearStorageDirTmp = (1 << 9),
ClearStorageDirSrc = (1 << 10),
};
int id;
int action;
};
class Database
{
public:
Database(const String &name, const TableDescriptors &tds);
Database(const Database &) = delete;
Database &operator=(const Database &) = delete;
void open(bool read_only = false);
protected:
std::unique_ptr<SqliteDatabase> db;
path fn;
path db_dir;
bool created = false;
const TableDescriptors &tds;
void recreate();
};
class ServiceDatabase : public Database
{
public:
ServiceDatabase();
void init();
void performStartupActions() const;
void checkForUpdates() const;
TimePoint getLastClientUpdateCheck() const;
void setLastClientUpdateCheck(const TimePoint &p = Clock::now()) const;
int getNumberOfRuns() const;
int increaseNumberOfRuns() const; // returns previous value
int getPackagesDbSchemaVersion() const;
void setPackagesDbSchemaVersion(int version) const;
bool isActionPerformed(const StartupAction &action) const;
void setActionPerformed(const StartupAction &action) const;
String getConfigByHash(const String &settings_hash) const;
void addConfigHash(const String &settings_hash, const String &config, const String &config_hash) const;
void clearConfigHashes() const;
void removeConfigHashes(const String &config_hash) const;
void setPackageDependenciesHash(const Package &p, const String &hash) const;
bool hasPackageDependenciesHash(const Package &p, const String &hash) const;
void addInstalledPackage(const Package &p) const;
void removeInstalledPackage(const Package &p) const;
String getInstalledPackageHash(const Package &p) const;
int getInstalledPackageId(const Package &p) const;
PackagesSet getInstalledPackages() const;
void setSourceGroups(const Package &p, const SourceGroups &sg) const;
SourceGroups getSourceGroups(const Package &p) const;
void removeSourceGroups(const Package &p) const;
void removeSourceGroups(int id) const;
void clearSourceGroups() const;
Stamps getFileStamps() const;
void setFileStamps(const Stamps &stamps) const;
void clearFileStamps() const;
private:
void createTables() const;
void checkStamp() const;
String getTableHash(const String &table) const;
void setTableHash(const String &table, const String &hash) const;
void recreateTable(const TableDescriptor &td) const;
};
class PackagesDatabase : public Database
{
using Dependencies = DownloadDependency::DbDependencies;
using DependenciesMap = std::unordered_map<Package, DownloadDependency>;
public:
PackagesDatabase();
IdDependencies findDependencies(const Packages &deps) const;
void listPackages(const String &name = String()) const;
template <template <class...> class C>
C<ProjectPath> getMatchingPackages(const String &name = String()) const;
std::vector<Version> getVersionsForPackage(const ProjectPath &ppath) const;
Version getExactVersionForPackage(const Package &p) const;
PackagesSet getDependentPackages(const Package &pkg);
PackagesSet getDependentPackages(const PackagesSet &pkgs);
PackagesSet getTransitiveDependentPackages(const PackagesSet &pkgs);
ProjectId getPackageId(const ProjectPath &ppath) const;
private:
path db_repo_dir;
void init();
void download();
void load(bool drop = false);
void writeDownloadTime() const;
TimePoint readDownloadTime() const;
bool isCurrentDbOld() const;
ProjectVersionId getExactProjectVersionId(const DownloadDependency &project, Version &version, ProjectFlags &flags, String &hash) const;
Dependencies getProjectDependencies(ProjectVersionId project_version_id, DependenciesMap &dm) const;
};
ServiceDatabase &getServiceDatabase(bool init = true);
ServiceDatabase &getServiceDatabaseReadOnly();
PackagesDatabase &getPackagesDatabase();
int readPackagesDbSchemaVersion(const path &dir);
void writePackagesDbSchemaVersion(const path &dir);
int readPackagesDbVersion(const path &dir);
void writePackagesDbVersion(const path &dir, int version);