icinga2/lib/base/scriptfunction.h

80 lines
2.7 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 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 SCRIPTFUNCTION_H
#define SCRIPTFUNCTION_H
namespace icinga
{
class ScriptTask;
/**
* A script function that can be used to execute a script task.
*
* @ingroup base
*/
class I2_BASE_API ScriptFunction : public Object
{
public:
typedef shared_ptr<ScriptFunction> Ptr;
typedef weak_ptr<ScriptFunction> WeakPtr;
typedef function<void (const shared_ptr<ScriptTask>&, const vector<Value>& arguments)> Callback;
explicit ScriptFunction(const Callback& function);
private:
Callback m_Callback;
void Invoke(const shared_ptr<ScriptTask>& task, const vector<Value>& arguments);
friend class ScriptTask;
};
/**
* A registry for script functions.
*
* @ingroup base
*/
class I2_BASE_API ScriptFunctionRegistry : public Registry<ScriptFunction::Ptr>
{ };
/**
* Helper class for registering ScriptFunction implementation classes.
*
* @ingroup base
*/
class RegisterFunctionHelper
{
public:
RegisterFunctionHelper(const String& name, const ScriptFunction::Callback& function)
{
ScriptFunction::Ptr func = boost::make_shared<ScriptFunction>(function);
ScriptFunctionRegistry::GetInstance()->Register(name, func);
}
};
#define REGISTER_SCRIPTFUNCTION(name, callback) \
I2_EXPORT icinga::RegisterFunctionHelper g_RegisterSF_ ## name(#name, callback)
}
#endif /* SCRIPTFUNCTION_H */