icinga2/lib/base/scriptsignal.hpp

66 lines
2.5 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program 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 2 *
* of the License, or (at your option) any later version. *
* *
* This program 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 this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef SCRIPTSIGNAL_H
#define SCRIPTSIGNAL_H
#include "base/i2-base.hpp"
#include "base/value.hpp"
#include <vector>
#include <boost/function.hpp>
namespace icinga
{
/**
* A signal that can be subscribed to by scripts.
*
* @ingroup base
*/
class I2_BASE_API ScriptSignal : public Object
{
public:
DECLARE_PTR_TYPEDEFS(ScriptSignal);
typedef boost::function<void (const std::vector<Value>& arguments)> Callback;
void AddSlot(const Callback& slot);
void Invoke(const std::vector<Value>& arguments = std::vector<Value>());
static ScriptSignal::Ptr GetByName(const String& name);
static void Register(const String& name, const ScriptSignal::Ptr& signal);
static void Unregister(const String& name);
private:
std::vector<Callback> m_Slots;
};
#define REGISTER_SCRIPTSIGNAL(name) \
namespace { namespace UNIQUE_NAME(sig) { namespace sig ## name { \
void RegisterSignal(void) { \
ScriptSignal::Ptr sig = new icinga::ScriptSignal(); \
ScriptSignal::Register(#name, sig); \
} \
INITIALIZE_ONCE(RegisterSignal); \
} } }
}
#endif /* SCRIPTSIGNAL_H */