pcpp::ApplicationEventHandler Class Reference

#include <SystemUtils.h>

Public Types
typedef void(*	EventHandlerCallback) (void *cookie)

Public Member Functions
void	onApplicationInterrupted (EventHandlerCallback handler, void *cookie)

Static Public Member Functions
static ApplicationEventHandler &	getInstance ()

Detailed Description

A singleton class that provides callbacks for events that occur during application life-cycle such as ctrl+c pressed, application closed, killed, etc.

Member Typedef Documentation

EventHandlerCallback

pcpp::ApplicationEventHandler::EventHandlerCallback

The callback to be invoked when the event occurs

Parameters

[in]

cookie

A pointer the the cookie provided by the user in ApplicationEventHandler c'tor

Member Function Documentation

getInstance()

static ApplicationEventHandler& pcpp::ApplicationEventHandler::getInstance ( )

inlinestatic

As ApplicationEventHandler is a singleton, this is the static getter to retrieve its instance

Returns

The singleton instance of ApplicationEventHandler

onApplicationInterrupted()

void pcpp::ApplicationEventHandler::onApplicationInterrupted	(	EventHandlerCallback	handler,
		void *	cookie
	)

Register for an application-interrupted event, meaning ctrl+c was pressed

Parameters

[in]	handler	The callback to be activated when the event occurs
[in]	cookie	A pointer to a user provided object. This object will be transferred to the EventHandlerCallback callback. This cookie is very useful for transferring objects that give context to the event callback