/*
    Copyright 2000 (c) by David Schweikert,
    Swiss Federal Institute of Technology,
    Computer Engineering and Networks Laboratory.

    TOPSY -- A Teachable Operating System.
             Implementation of a tiny and simple
             micro kernel for teaching purposes.

    For further information, please visit http://www.tik.ee.ethz.ch/~topsy

    This software is provided under the terms of the GNU General Public 
    Licence. A full copy of the GNU GPL is provided in the file COPYING 
    found in the development root of Topsy.
*/
/*	
    File:                  $Source: /usr/drwho/vault/cvs/topsy/Topsy/Net/NetStat.c,v $
    Author(s):             
    Affiliation:           ETH Zuerich, TIK
    Version:               $Revision: 1.1 $
    Creation Date:         
    Last Date of Change:   $Date: 2000/03/31 17:50:35 $      by: $Author: gfa $


    $Log: NetStat.c,v $
    Revision 1.1  2000/03/31 17:50:35  gfa
    Merged with /Net from several term projects

*/
#include "../Topsy/Topsy.h"
#include "../Topsy/Syscall.h"
#include "../User/UserSupport.h"

#include "NetBuf.h"
#include "NetStat.h"

/* shell user program to display network statistics */
void NetStat(ThreadArg arg) {
	ThreadId tty;
	char *arg1;
	int i;
	
	ioOpen(IO_CONSOLE, &tty);
	ioInit(tty);

	arg1 = ((char **)arg)[1];
	if(!arg1) {
		display(tty, "m: NetBuf statistics\n");
		ioClose(tty);
		return;
	}
	
	switch(arg1[0]) {
	case 'm':
		ioPrintf(tty,"%s","size\tpools\tnetbufs\tmemory\tfull\n");
		for(i=0; i<NETBUF_SIZES; i++) {
			ioPrintf(tty, "%d\t%d\t%d\t%dk\t%d%%\n", netbufStats->sizes[i],
				 netbufStats->pools[i], netbufStats->usage[i],
				 NETBUF_POOLSIZE*netbufStats->pools[i]/1024,
				 (netbufStats->pools[i] ?
				  (netbufStats->usage[i]*100 /
				   (netbufStats->pools[i]*NETBUF_MAXBUFS(i)))
				  :
				  0)

				 );
		}
		break;
	}
	
	ioClose(tty);
}