Function print_nhgroup_entry_sysctl

tools/netstat/nhgrp.c:118–178

static void
print_nhgroup_entry_sysctl(const char *name, struct rt_msghdr *rtm,
    struct nhgrp_external *nhge)
{
	char buffer[128];
	struct nhop_entry *ne;
	struct nhgrp_nhop_external *ext_cp, *ext_dp;
	struct nhgrp_container *nhg_cp, *nhg_dp;

	nhg_cp = (struct nhgrp_container *)(nhge + 1);
	if (nhg_cp->nhgc_type != NHG_C_TYPE_CNHOPS || nhg_cp->nhgc_subtype != 0)
		return;
	ext_cp = (struct nhgrp_nhop_external *)(nhg_cp + 1);

	nhg_dp = (struct nhgrp_container *)((char *)nhg_cp + nhg_cp->nhgc_len);
	if (nhg_dp->nhgc_type != NHG_C_TYPE_DNHOPS || nhg_dp->nhgc_subtype != 0)
		return;
	ext_dp = (struct nhgrp_nhop_external *)(nhg_dp + 1);

	xo_open_instance(name);

	snprintf(buffer, sizeof(buffer), "{[:-%d}{:nhgrp-index/%%lu}{]:} ", wid_nhidx);

	xo_emit(buffer, nhge->nhg_idx);

	/* nhidx */
	print_padding('-', wid_nhidx);
	/* weight */
	print_padding('-', wid_nhidx);
	/* slots */
	print_padding('-', wid_nhidx);
	print_padding('-', wid_gw);
	print_padding('-', wid_if);
	xo_emit("{t:nhg-refcnt/%*lu}", wid_refcnt, nhge->nhg_refcount);
	xo_emit("\n");

	xo_open_list("nhop-weights");
	for (uint32_t i = 0; i < nhg_cp->nhgc_count; i++) {
		/* TODO: optimize slots calculations */
		uint32_t slots = 0;
		for (uint32_t sidx = 0; sidx < nhg_dp->nhgc_count; sidx++) {
			if (ext_dp[sidx].nh_idx == ext_cp[i].nh_idx)
				slots++;
		}
		xo_open_instance("nhop-weight");
		print_padding(' ', wid_nhidx);
		// nh index
		xo_emit("{t:nh-index/%*lu}", wid_nhidx, ext_cp[i].nh_idx);
		xo_emit("{t:nh-weight/%*lu}", wid_nhidx, ext_cp[i].nh_weight);
		xo_emit("{t:nh-slots/%*lu}", wid_nhidx, slots);
		ne = nhop_get(&global_nhop_map, ext_cp[i].nh_idx);
		if (ne != NULL) {
			xo_emit("{t:nh-gw/%*.*s}", wid_gw, wid_gw, ne->gw);
			xo_emit("{t:nh-interface/%*.*s}", wid_if, wid_if, ne->ifname);
		}
		xo_emit("\n");
		xo_close_instance("nhop-weight");
	}