icinga2/lib/remote/apifunction.hpp

60 lines
1.3 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef APIFUNCTION_H
#define APIFUNCTION_H
#include "remote/i2-remote.hpp"
#include "remote/messageorigin.hpp"
#include "base/registry.hpp"
#include "base/value.hpp"
#include "base/dictionary.hpp"
#include <vector>
namespace icinga
{
/**
* A function available over the internal cluster API.
*
* @ingroup base
*/
class ApiFunction final : public Object
{
public:
DECLARE_PTR_TYPEDEFS(ApiFunction);
typedef std::function<Value(const MessageOrigin::Ptr& origin, const Dictionary::Ptr&)> Callback;
ApiFunction(Callback function);
Value Invoke(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& arguments);
static ApiFunction::Ptr GetByName(const String& name);
static void Register(const String& name, const ApiFunction::Ptr& function);
static void Unregister(const String& name);
private:
Callback m_Callback;
};
/**
* A registry for API functions.
*
* @ingroup base
*/
class ApiFunctionRegistry : public Registry<ApiFunctionRegistry, ApiFunction::Ptr>
{
public:
static ApiFunctionRegistry *GetInstance();
};
#define REGISTER_APIFUNCTION(name, ns, callback) \
INITIALIZE_ONCE([]() { \
ApiFunction::Ptr func = new ApiFunction(callback); \
ApiFunctionRegistry::GetInstance()->Register(#ns "::" #name, func); \
})
}
#endif /* APIFUNCTION_H */