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/*
RailControl - Model Railway Control Software
Copyright (c) 2017-2025 by Teddy / Dominik Mahrer - www.railcontrol.org
RailControl 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, or (at your option) any
later version.
RailControl 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 RailControl; see the file LICENCE. If not see
<http://www.gnu.org/licenses/>.
*/
#include "DataModel/LockableItem.h"
#include "DataModel/Object.h"
#include "Utils/Utils.h"
using std::map;
using std::stringstream;
using std::string;
namespace DataModel
{
string LockableItem::Serialize() const
{
return "lockstate=" + std::to_string(lockState)
+ ";locobaseid=" + std::to_string(locoBaseIdentifier.GetObjectID())
+ ";locobasetype=" + std::to_string(locoBaseIdentifier.GetObjectType());
}
void LockableItem::Deserialize(const map<string, string> arguments)
{
const LocoID locoID = Utils::Utils::GetIntegerMapEntry(arguments, "locoID", LocoNone); // FIXME: Remove later: 2024-02-08
locoBaseIdentifier.SetObjectID(Utils::Utils::GetIntegerMapEntry(arguments, "locobaseid", locoID));
locoBaseIdentifier.SetObjectType(static_cast<ObjectType>(Utils::Utils::GetIntegerMapEntry(arguments, "locobasetype", ObjectTypeLoco)));
lockState = static_cast<LockState>(Utils::Utils::GetIntegerMapEntry(arguments, "lockState", LockStateFree)); // FIXME: Remove later: 2024-02-08
lockState = static_cast<LockState>(Utils::Utils::GetIntegerMapEntry(arguments, "lockstate", lockState));
}
bool LockableItem::Reserve(Logger::Logger* logger, const ObjectIdentifier& locoBaseIdentifier)
{
std::lock_guard<std::mutex> Guard(lockMutex);
if (this->locoBaseIdentifier == locoBaseIdentifier)
{
if (lockState == LockStateFree)
{
lockState = LockStateReserved;
}
return true;
}
if (this->locoBaseIdentifier.IsSet() || (lockState != LockStateFree))
{
Object *object = dynamic_cast<Object*>(this);
if (!object)
{
return false;
}
logger->Debug(Languages::TextIsNotFree, object->GetName());
return false;
}
lockState = LockStateReserved;
this->locoBaseIdentifier = locoBaseIdentifier;
return true;
}
bool LockableItem::Lock(Logger::Logger* logger, const ObjectIdentifier& locoBaseIdentifier)
{
std::lock_guard<std::mutex> Guard(lockMutex);
if (this->locoBaseIdentifier != locoBaseIdentifier)
{
Object *object = dynamic_cast<Object*>(this);
if (object == nullptr)
{
return false;
}
logger->Debug(Languages::TextIsNotFree, object->GetName());
return false;
}
if (lockState != LockStateReserved && lockState != LockStateHardLocked)
{
Object *object = dynamic_cast<Object*>(this);
if (object == nullptr)
{
return false;
}
logger->Debug(Languages::TextIsNotFree, object->GetName());
return false;
}
lockState = LockStateHardLocked;
return true;
}
bool LockableItem::Release(__attribute__((unused)) Logger::Logger* logger, const ObjectIdentifier& locoBaseIdentifier)
{
std::lock_guard<std::mutex> Guard(lockMutex);
if (this->locoBaseIdentifier != locoBaseIdentifier && locoBaseIdentifier.IsSet())
{
return false;
}
this->locoBaseIdentifier.Clear();
lockState = LockStateFree;
return true;
}
} // namespace DataModel
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