/*
 # Copyright (c) 2009 - OpenSLX Project, Computer Center University of Freiburg
 #
 # This program is free software distributed under the GPL version 2.
 # See http://openslx.org/COPYING
 #
 # If you have any feedback please consult http://openslx.org/feedback and
 # send your suggestions, praise, or complaints to feedback@openslx.org
 #
 # General information about OpenSLX can be found at http://openslx.org/
 # --------------------------------------------------------------------------
 # inputHandlerChain.h:
 #  - Forward privileged input events to a special handler process.
 # --------------------------------------------------------------------------
 */

#ifndef PRIVILEGEDHANDLERFORWARDER_H_
#define PRIVILEGEDHANDLERFORWARDER_H_

#include "inputEventHandler.h"

/**
 * Forward the incoming InputEvent to \c pvsprivinputd.
 */
class PrivilegedHandlerForwarder : public InputEventHandler<
	input_policy::Require<input_policy::UnixLike>,
	input_policy::Unprivileged>
{
public:

	/**
	 * Forward \c evt to \c pvsprivinputd, taking care that
	 * the security context is correctly sent.
	 */
	void doHandle(InputEvent const& evt, InputEventContext const* = 0);

	/**
	 * Read the address of \c pvsprivinputd's listening socket
	 * from its configuration and connect to it.
	 */
	void initialize();

private:
	int _socket;
};

#endif /* PRIVILEGEDHANDLERFORWARDER_H_ */