nulls.hh

来自「COPE the first practical network coding 」· HH 代码 · 共 144 行

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

/*
=c

Null1()
Null2()
Null3()
Null4()
Null5()
Null6()
Null7()
Null8()

=s

copy of Null

=d

Each of these elements is a reimplementation of Null. However, each has
independent code, so the i-cache cost of using all eight elements (Null1
through Null8) is eight times the cost of eight Null elements.

=a Null */

class Null1 : public Element {
  
 public:
  
  Null1()				: Element(1, 1) { }
  ~Null1()				{ }
  
  const char *class_name() const	{ return "Null1"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null2 : public Element {
  
 public:
  
  Null2()				: Element(1, 1) { }
  ~Null2()				{ }
  
  const char *class_name() const	{ return "Null2"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null3 : public Element {
  
 public:
  
  Null3()				: Element(1, 1) { }
  ~Null3()				{ }
  
  const char *class_name() const	{ return "Null3"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null4 : public Element {
  
 public:
  
  Null4()				: Element(1, 1) { }
  ~Null4()				{ }
  
  const char *class_name() const	{ return "Null4"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null5 : public Element {
  
 public:
  
  Null5()				: Element(1, 1) { }
  ~Null5()				{ }
  
  const char *class_name() const	{ return "Null5"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null6 : public Element {
  
 public:
  
  Null6()				: Element(1, 1) { }
  ~Null6()				{ }
  
  const char *class_name() const	{ return "Null6"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null7 : public Element {
  
 public:
  
  Null7()				: Element(1, 1) { }
  ~Null7()				{ }
  
  const char *class_name() const	{ return "Null7"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

class Null8 : public Element {
  
 public:
  
  Null8()				: Element(1, 1) { }
  ~Null8()				{ }
  
  const char *class_name() const	{ return "Null8"; }
  const char *processing() const	{ return AGNOSTIC; }

  Packet *simple_action(Packet *p)	{ return p; }
  
};

CLICK_ENDDECLS
#endif