142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
/*
|
|
* Copyright (C) 2019 Emeric Poupon
|
|
*
|
|
* This file is part of LMS.
|
|
*
|
|
* LMS is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* LMS is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with LMS. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "database/Db.hpp"
|
|
|
|
#include <Wt/Dbo/FixedSqlConnectionPool.h>
|
|
#include <Wt/Dbo/backend/Sqlite3.h>
|
|
|
|
#include "database/Session.hpp"
|
|
#include "database/User.hpp"
|
|
#include "core/IConfig.hpp"
|
|
#include "core/Service.hpp"
|
|
#include "core/ILogger.hpp"
|
|
|
|
namespace lms::db
|
|
{
|
|
namespace
|
|
{
|
|
class Connection : public Wt::Dbo::backend::Sqlite3
|
|
{
|
|
public:
|
|
Connection(const std::filesystem::path& dbPath)
|
|
: Wt::Dbo::backend::Sqlite3{ dbPath.string() }
|
|
, _dbPath{ dbPath }
|
|
{
|
|
prepare();
|
|
}
|
|
|
|
Connection(const Connection& other)
|
|
: Wt::Dbo::backend::Sqlite3{ other }
|
|
, _dbPath{ other._dbPath }
|
|
{
|
|
prepare();
|
|
}
|
|
|
|
~Connection()
|
|
{
|
|
// make use of per-connection usage stats to optimize
|
|
optimize();
|
|
}
|
|
|
|
private:
|
|
Connection& operator=(const Connection&) = delete;
|
|
|
|
std::unique_ptr<SqlConnection> clone() const override
|
|
{
|
|
return std::make_unique<Connection>(*this);
|
|
}
|
|
|
|
void prepare()
|
|
{
|
|
LMS_LOG(DB, DEBUG, "Setting per-connection settings...");
|
|
executeSql("pragma journal_mode=WAL");
|
|
executeSql("pragma synchronous=normal");
|
|
executeSql("pragma analysis_limit=2000"); // to help make analyze command faster, 1000 does not seem to be enough to speed up all queries
|
|
LMS_LOG(DB, DEBUG, "Setting per-connection settings done!");
|
|
}
|
|
|
|
void optimize()
|
|
{
|
|
LMS_LOG(DB, DEBUG, "connection close: Running pragma optimize...");
|
|
executeSql("pragma optimize");
|
|
LMS_LOG(DB, DEBUG, "connection close: pragma optimize complete");
|
|
}
|
|
|
|
std::filesystem::path _dbPath;
|
|
};
|
|
}
|
|
|
|
// Session living class handling the database and the login
|
|
Db::Db(const std::filesystem::path& dbPath, std::size_t connectionCount)
|
|
{
|
|
LMS_LOG(DB, INFO, "Creating connection pool on file " << dbPath.string());
|
|
|
|
auto connection{ std::make_unique<Connection>(dbPath.string()) };
|
|
if (core::IConfig * config{ core::Service<core::IConfig>::get() })// may not be here on testU
|
|
connection->setProperty("show-queries", config->getBool("db-show-queries", false) ? "true" : "false");
|
|
|
|
auto connectionPool{ std::make_unique<Wt::Dbo::FixedSqlConnectionPool>(std::move(connection), connectionCount) };
|
|
connectionPool->setTimeout(std::chrono::seconds{ 10 });
|
|
|
|
_connectionPool = std::move(connectionPool);
|
|
}
|
|
|
|
void Db::executeSql(const std::string& sql)
|
|
{
|
|
ScopedConnection connection{ *_connectionPool };
|
|
connection->executeSql(sql);
|
|
}
|
|
|
|
Session& Db::getTLSSession()
|
|
{
|
|
static thread_local Session* tlsSession{};
|
|
|
|
if (!tlsSession)
|
|
{
|
|
auto newSession{ std::make_unique<Session>(*this) };
|
|
tlsSession = newSession.get();
|
|
|
|
{
|
|
std::scoped_lock lock{ _tlsSessionsMutex };
|
|
_tlsSessions.push_back(std::move(newSession));
|
|
}
|
|
}
|
|
|
|
return *tlsSession;
|
|
}
|
|
|
|
Db::ScopedConnection::ScopedConnection(Wt::Dbo::SqlConnectionPool& pool)
|
|
: _connectionPool{ pool }
|
|
, _connection{ _connectionPool.getConnection() }
|
|
{
|
|
}
|
|
|
|
Db::ScopedConnection::~ScopedConnection()
|
|
{
|
|
_connectionPool.returnConnection(std::move(_connection));
|
|
}
|
|
|
|
Wt::Dbo::SqlConnection* Db::ScopedConnection::operator->() const
|
|
{
|
|
return _connection.get();
|
|
}
|
|
|
|
} // namespace lms::db
|