Function print_mfc

tools/netstat/mroute.c:170–227

}

static void
print_mfc(struct mfc *m, int maxvif, int *banner_printed)
{
	struct sockaddr_in sin;
	struct sockaddr *sa = (struct sockaddr *)&sin;
	struct bw_meter bw_meter, *bwm;
	int bw_banner_printed;
	int error;
	vifi_t vifi;

	bw_banner_printed = 0;
	memset(&sin, 0, sizeof(sin));
	sin.sin_len = sizeof(sin);
	sin.sin_family = AF_INET;

	if (! *banner_printed) {
		xo_open_list("multicast-forwarding-entry");
		xo_emit("\n{T:IPv4 Multicast Forwarding Table}\n"
		    " {T:Origin}          {T:Group}            "
		    " {T:Packets In-Vif}  {T:Out-Vifs:Ttls}\n");
		*banner_printed = 1;
	}

	memcpy(&sin.sin_addr, &m->mfc_origin, sizeof(sin.sin_addr));
	xo_emit(" {:origin-address/%-15.15s}", routename(sa, numeric_addr));
	memcpy(&sin.sin_addr, &m->mfc_mcastgrp, sizeof(sin.sin_addr));
	xo_emit(" {:group-address/%-15.15s}",
	    routename(sa, numeric_addr));
	xo_emit(" {:sent-packets/%9lu}", m->mfc_pkt_cnt);
	xo_emit("  {:parent/%3d}   ", m->mfc_parent);
	xo_open_list("vif-ttl");
	for (vifi = 0; vifi <= maxvif; vifi++) {
		if (m->mfc_ttls[vifi] > 0) {
			xo_open_instance("vif-ttl");
			xo_emit(" {k:vif/%u}:{:ttl/%u}", vifi,
			    m->mfc_ttls[vifi]);
			xo_close_instance("vif-ttl");
		}
	}
	xo_close_list("vif-ttl");
	xo_emit("\n");

	/*
	 * XXX We break the rules and try to use KVM to read the
	 * bandwidth meters, they are not retrievable via sysctl yet.
	 */
	bwm = m->mfc_bw_meter;
	while (bwm != NULL) {
		error = kread((u_long)bwm, (char *)&bw_meter,
		    sizeof(bw_meter));
		if (error)
			break;
		print_bw_meter(&bw_meter, &bw_banner_printed);
		bwm = bw_meter.bm_mfc_next;
	}
	if (banner_printed)
		xo_close_list("bandwidth-meter");
}