ackunenc.hh

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

#ifndef CLICK_ACKUNENC_HH
#define CLICK_ACKUNENC_HH
#include <click/element.hh>
#include "scramblequeue.hh"
#include "recvmanager.hh"
CLICK_DECLS

// ***sort out manual page later!

/*
=c

AckFilter(ETHER [, DROP_OWN, DROP_OTHER, I<KEYWORDS>])

=s 


=d

output 0: packets without the ack header (and with ethernet header modified)
output 1: a packet with the original ethernet and ack header


Keyword arguments are:

=over 8

=item ETHTYPE

Ethernet encapsulation type

=item OFFSET

The ethernet header starts OFFSET bytes into the packet. Default OFFSET is 0.

=back

=a 

*/

class AckUnencoded : public Element { 
 public:
  
  AckUnencoded();
  ~AckUnencoded();

  const char *class_name() const		{ return "AckUnencoded"; }
  const char *processing() const		{ return PUSH; }

  //void notify_noutputs(int);
  int configure(Vector<String> &, ErrorHandler *);

  void add_handlers();
  static String stats(Element *, void *);
  static int static_clear(const String &arg, Element *e, void *, ErrorHandler *errh);

  void push(int, Packet *);

  // statistics
  int _nreceivedpkts;
  int _nduplicatepkts;
  int _nnewpkts;

  int _nreceivedbytes;
  int _nduplicatebytes;
  int _nnewbytes;
  
 private:

  RecvManager* _recvmgr;
  ScrambleQueue *_scrambleq;
  
};

CLICK_ENDDECLS
#endif