ShutdownHookForwarder.hpp

/*
 * (c) Copyright, Real-Time Innovations, 2017.
 * All rights reserved.
 *
 * No duplications, whole or partial, manual or electronic, may be made
 * without express written permission.  Any such copies, or
 * revisions thereof, must display this notice unaltered.
 * This code contains trade secrets of Real-Time Innovations, Inc.
 */
 
#ifndef RTI_ROUTING_SHUTDOWN_HOOK_HPP_
#define RTI_ROUTING_SHUTDOWN_HOOK_HPP_
 
 
#include "routingservice/routingservice_service.h"
 
namespace rti { namespace routing { namespace detail {
 
class AbstractShutdownHookForwarder {
public:
 
    AbstractShutdownHookForwarder()
    {
        native_.on_shutdown = on_shutdown_forwarder;
        native_.shutdown_hook_data = this;
    }
 
    virtual ~AbstractShutdownHookForwarder()
    {
    }
 
    virtual void on_shutdown()
    {
    }
 
    static void on_shutdown_forwarder(void *hook_data)
    {
        AbstractShutdownHookForwarder *self =
                static_cast<AbstractShutdownHookForwarder*>(hook_data);
        try {
            self->on_shutdown();
        } catch(...) {}
    }
 
 
    const RTI_RoutingServiceRemoteShutdownHook* native() const
    {
        return &native_;
    }
 
private:
    RTI_RoutingServiceRemoteShutdownHook native_;
};
 
template<typename HookFunc>
class ShutdownHookForwarder : public AbstractShutdownHookForwarder {
public:
    ShutdownHookForwarder(HookFunc& shutdown_hook)
        : shutdown_hook_(shutdown_hook)
    {
 
    }
 
    void on_shutdown()
    {
       shutdown_hook_();
    };
 
private:
    HookFunc& shutdown_hook_;
};
 
}
 
} }
 
 
#endif /* RTI_ROUTING_SHUTDOWN_HOOK_HPP_ */