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qt6-migration-pipeline/Lts/DDS/Generic/wait_set_handler.h
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#pragma once
#include <dds/core/cond/Condition.hpp>
#include <dds/core/cond/GuardCondition.hpp>
#include <dds/core/cond/WaitSet.hpp>
#include <future>
#include <map>
#include <DDS/Generic/ddsgen_export.h>
namespace NGL
{
class INGLLogger;
}
namespace DDSGeneric
{
class DDSGEN_EXPORT WaitSetHandler final
{
public:
class CallbackInterface
{
public:
virtual ~CallbackInterface() = default;
virtual void dataAvailable() = 0;
};
WaitSetHandler();
~WaitSetHandler();
bool attachWaitSet(const dds::core::cond::Condition &cond, CallbackInterface *cb);
bool detachWaitSet(const dds::core::cond::Condition &cond, CallbackInterface *cb);
bool enableWaitSet(const dds::core::cond::Condition &cond, CallbackInterface *cb);
bool disableWaitSet(const dds::core::cond::Condition &cond, CallbackInterface *cb);
int attachedConditionCount() const;
private:
struct WaitSetData final
{
dds::core::cond::Condition condition;
CallbackInterface *callback = nullptr;
bool enabled = true;
bool needWaitSetAttach = false;
WaitSetData(const dds::core::cond::Condition &cond, CallbackInterface *cb)
: condition(cond)
, callback(cb)
{}
};
private:
void waitSetTask();
private:
dds::core::cond::WaitSet m_waitSet;
dds::core::cond::GuardCondition m_abortCondition;
std::future<void> m_task;
std::mutex m_accessMutex;
std::map<const DDS_Condition *, WaitSetData> m_waitSetData;
NGL::INGLLogger &m_logger;
};
}