idle.hh

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

#ifndef CLICK_IDLE_HH
#define CLICK_IDLE_HH
#include <click/element.hh>
#include <click/notifier.hh>
CLICK_DECLS

/*
 * =c
 * Idle
 * =s dropping
 * discards packets
 * =d
 *
 * Has zero or more agnostic outputs and zero or more agnostic inputs. It
 * never pushes a packet to any output or pulls a packet from any input. Any
 * packet it does receive is discarded. Used to avoid "input not connected"
 * error messages.
 */

class Idle : public Element, public Notifier { public:
  
  Idle();
  ~Idle();
  
  const char *class_name() const	{ return "Idle"; }
  const char *processing() const	{ return "a/a"; }
  const char *flow_code() const		{ return "x/y"; }
  void *cast(const char *);
  void notify_ninputs(int);
  void notify_noutputs(int);
  const char *flags() const		{ return "S0"; }
  NotifierSignal notifier_signal();
  
  void push(int, Packet *);
  Packet *pull(int);
  
};

CLICK_ENDDECLS
#endif