simplepriosched.cc

COPE the first practical network coding scheme which is developped on click

// -*- c-basic-offset: 4 -*-
/*
 * simplepriosched.{cc,hh} -- priority scheduler element
 * Robert Morris, Eddie Kohler
 *
 * Copyright (c) 1999-2000 Massachusetts Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, subject to the conditions
 * listed in the Click LICENSE file. These conditions include: you must
 * preserve this copyright notice, and you cannot mention the copyright
 * holders in advertising related to the Software without their permission.
 * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
 * notice is a summary of the Click LICENSE file; the license in that file is
 * legally binding.
 */

#include <click/config.h>
#include "simplepriosched.hh"
CLICK_DECLS

SimplePrioSched::SimplePrioSched()
{
    add_output();
}

SimplePrioSched::~SimplePrioSched()
{
}

void
SimplePrioSched::notify_ninputs(int i)
{
    set_ninputs(i);
}

Packet *
SimplePrioSched::pull(int)
{
    for (int i = 0; i < ninputs(); i++) {
	if (Packet *p = input(i).pull())
	    return p;
    }
    return 0;
}

CLICK_ENDDECLS
EXPORT_ELEMENT(SimplePrioSched)
ELEMENT_MT_SAFE(SimplePrioSched)