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/* -*- c++ -*-
packet-stamp.h
$Id: packet-stamp.h,v 1.3 1999/03/13 03:52:58 haoboy Exp $
Information carried by a packet to allow a receive to decide if it
will recieve the packet or not.
*/
#ifndef _cmu_packetstamp_h_
#define _cmu_packetstamp_h_
class MobileNode;
/* to avoid a pretty wild circular dependence among header files
(between packet.h and queue.h), I can't do the #include here:
#include <cmu/node.h>
Since PacketStamp is just a container class, it doesn't really matter .
-dam 8/8/98
*/
#include <antenna.h>
class PacketStamp {
public:
PacketStamp() : ant(0), node(0), Pr(-1), lambda(-1) { }
void init(const PacketStamp *s) {
Antenna* ant;
if (s->ant != NULL)
ant = s->ant->copy();
else
ant = 0;
//Antenna *ant = (s->ant) ? s->ant->copy(): 0;
stamp(s->node, ant, s->Pr, s->lambda);
}
void stamp(MobileNode *n, Antenna *a, double xmitPr, double lam) {
ant = a;
node = n;
Pr = xmitPr;
lambda = lam;
}
inline Antenna * getAntenna() {return ant;}
inline MobileNode * getNode() {return node;}
inline double getTxPr() {return Pr;}
inline double getLambda() {return lambda;}
/* WILD HACK: The following two variables are a wild hack.
They will go away in the next release...
They're used by the mac-802_11 object to determine
capture. This will be moved into the net-if family of
objects in the future. */
double RxPr; // power with which pkt is received
double CPThresh; // capture threshold for recving interface
protected:
Antenna *ant;
MobileNode *node;
double Pr; // power pkt sent with
double lambda; // wavelength of signal
};
#endif /* !_cmu_packetstamp_h_ */
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