/* $NetBSD: qdisc_cdnr.c,v 1.6 2008/05/02 19:07:44 xtraeme Exp $ */

/* $NetBSD: qdisc_cdnr.c,v 1.6 2008/05/02 19:07:44 xtraeme Exp $ */
/* $KAME: qdisc_cdnr.c,v 1.6 2002/11/08 06:36:18 kjc Exp $ */
/*
* Copyright (C) 1999-2000
* Sony Computer Science Laboratories, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <altq/altq.h>
#include <altq/altq_cdnr.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <err.h>

#include "quip_client.h"
#include "altqstat.h"

#define NELEMENTS 64
#define MAX_PROB (128*1024)

static const char *element_names[] = { "none", "top", "element", "tbmeter", "trtcm",
"tswtcm" };
static const char *tbmprof_names[] = { "in: ", "out: " };
static const char *tcmprof_names[] = { "green: ", "yellow:", "red: " };

void
cdnr_stat_loop(int fd, const char *ifname, int count, int interval)
{
struct tce_stats stats1[NELEMENTS], stats2[NELEMENTS];
char cdnrnames[NELEMENTS][128];
struct cdnr_get_stats get_stats;
struct tce_stats *sp, *lp, *new, *last, *tmp;
struct timeval cur_time, last_time;
double sec;
const char **profile_names;
char _ifname[32];
int i, j, nprofile;
int cnt = count;
sigset_t omask;

if (ifname[0] == '_')
ifname++;
snprintf(_ifname, sizeof(_ifname), "_%s", ifname);

strlcpy(get_stats.iface.cdnr_ifname, ifname,
sizeof(get_stats.iface.cdnr_ifname));
new = &stats1[0];
last = &stats2[0];

for (i = 0; i < NELEMENTS; i++)
stats1[i].tce_handle = stats2[i].tce_handle = CDNR_NULL_HANDLE;

for (;;) {
get_stats.nskip = 0;
get_stats.nelements = NELEMENTS;
get_stats.tce_stats = new;

if (ioctl(fd, CDNR_GETSTATS, &get_stats) < 0)
err(1, "ioctl CDNR_GETSTATS");

gettimeofday(&cur_time, NULL);
sec = calc_interval(&cur_time, &last_time);

printf("actions:\n");
printf(" pass:%llu drop:%llu mark:%llu next:%llu return:%llu none:%llu\n",
(ull)get_stats.cnts[TCACODE_PASS].packets,
(ull)get_stats.cnts[TCACODE_DROP].packets,
(ull)get_stats.cnts[TCACODE_MARK].packets,
(ull)get_stats.cnts[TCACODE_NEXT].packets,
(ull)get_stats.cnts[TCACODE_RETURN].packets,
(ull)get_stats.cnts[TCACODE_NONE].packets);

for (i = 0; i < get_stats.nelements; i++) {
sp = &new[i];
lp = &last[i];

if (sp->tce_handle != lp->tce_handle) {
quip_chandle2name(_ifname, sp->tce_handle,
cdnrnames[i], sizeof(cdnrnames[0]));
}

switch (sp->tce_type) {
case TCETYPE_TBMETER:
nprofile = 2;
profile_names = tbmprof_names;
break;
case TCETYPE_TRTCM:
case TCETYPE_TSWTCM:
nprofile = 3;
profile_names = tcmprof_names;
break;
default:
profile_names = tbmprof_names; /* silence cc */
nprofile = 0;
}

if (nprofile == 0)
continue;

printf("[%s: %s] handle:%#lx\n",
element_names[sp->tce_type], cdnrnames[i],
sp->tce_handle);
for (j = 0; j < nprofile; j++) {
printf(" %s %10llu pkts %16llu bytes",
profile_names[j],
(ull)sp->tce_cnts[j].packets,
(ull)sp->tce_cnts[j].bytes);
if (lp->tce_handle != CDNR_NULL_HANDLE) {
printf(" (%sbps)\n",
rate2str(calc_rate(
sp->tce_cnts[j].bytes,
lp->tce_cnts[j].bytes, sec)));
} else {
printf("\n");
}
}
}
printf("\n");

/* swap the buffer pointers */
tmp = last;
last = new;
new = tmp;

last_time = cur_time;

if (count != 0 && --cnt == 0)
break;

/* wait for alarm signal */
if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
sigsuspend(&omask);
}
}