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/*
* SPDX-License-Identifier: GPL-2.0-or-later
* SPDX-FileName: SafeConnection.cpp
* SPDX-FileContributor: Dmitry Vedenko
*/
#include "SafeConnection.h"
namespace audacity::sqlite
{
SafeConnection::SafeConnection(Tag, Connection connection)
: mConnection(std::move(connection))
{
}
std::shared_ptr<SafeConnection> SafeConnection::Open(
std::string_view path, OpenMode mode, ThreadMode threadMode,
Error* openError)
{
auto connection = Connection::Open(path, mode, threadMode);
if (!connection)
{
if (openError)
*openError = connection.GetError();
return {};
}
return std::make_shared<SafeConnection>(Tag {}, std::move(*connection));
}
std::shared_ptr<SafeConnection> SafeConnection::Reopen(
const Connection& prevConnection, OpenMode mode, ThreadMode threadMode,
Error* openError)
{
auto connection = Connection::Reopen(prevConnection, mode, threadMode);
if (!connection)
{
if (openError)
*openError = connection.GetError();
return {};
}
return std::make_shared<SafeConnection>(Tag {}, std::move(*connection));
}
std::shared_ptr<SafeConnection> SafeConnection::Reopen(
sqlite3* prevConnection, OpenMode mode, ThreadMode threadMode,
Error* openError)
{
auto connection = Connection::Reopen(prevConnection, mode, threadMode);
if (!connection)
{
if (openError)
*openError = connection.GetError();
return {};
}
return std::make_shared<SafeConnection>(Tag {}, std::move(*connection));
}
std::shared_ptr<SafeConnection> SafeConnection::Reopen(
SafeConnection& prevConnection, OpenMode mode, ThreadMode threadMode,
Error* openError)
{
auto connection =
Connection::Reopen(prevConnection.mConnection, mode, threadMode);
if (!connection)
{
if (openError)
*openError = connection.GetError();
return {};
}
return std::make_shared<SafeConnection>(Tag {}, std::move(*connection));
}
SafeConnection::Lock SafeConnection::Acquire() noexcept
{
return Lock { shared_from_this() };
}
SafeConnection::Lock::Lock(std::shared_ptr<SafeConnection> connection)
: mSafeConnection(std::move(connection))
{
if (mSafeConnection)
mLock = std::unique_lock { mSafeConnection->mConnectionMutex };
}
Connection* SafeConnection::Lock::operator->() noexcept
{
return &mSafeConnection->mConnection;
}
const Connection* SafeConnection::Lock::operator->() const noexcept
{
return &mSafeConnection->mConnection;
}
Connection& SafeConnection::Lock::operator*() noexcept
{
return mSafeConnection->mConnection;
}
const Connection& SafeConnection::Lock::operator*() const noexcept
{
return mSafeConnection->mConnection;
}
SafeConnection::Lock::operator bool() const noexcept
{
return IsValid();
}
bool SafeConnection::Lock::IsValid() const noexcept
{
return mSafeConnection != nullptr;
}
} // namespace audacity::sqlite
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