Differential D41427 Diff 126248 usr.bin/netstat/nhgrp.c

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usr.bin/netstat/nhgrp.c

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#include <arpa/inet.h>		#include <arpa/inet.h>
#include <libutil.h>		#include <libutil.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <stdbool.h>		#include <stdbool.h>
#include <string.h>		#include <string.h>
#include <sysexits.h>		#include <sysexits.h>
#include <unistd.h>		#include <unistd.h>
#include <err.h>
#include <libxo/xo.h>		#include <libxo/xo.h>
#include "netstat.h"		#include "netstat.h"
#include "common.h"		#include "common.h"

#define WID_GW_DEFAULT(af) (((af) == AF_INET6) ? 40 : 18)		#define WID_GW_DEFAULT(af) (((af) == AF_INET6) ? 40 : 18)

static int wid_gw;		static int wid_gw;
static int wid_if = 10;		static int wid_if = 10;
▲ Show 20 Lines • Show All 147 Lines • ▼ Show 20 Lines	dump_nhgrp_sysctl(int fibnum, int af, struct nhops_dump *nd)
mib[0] = CTL_NET;		mib[0] = CTL_NET;
mib[1] = PF_ROUTE;		mib[1] = PF_ROUTE;
mib[2] = 0;		mib[2] = 0;
mib[3] = af;		mib[3] = af;
mib[4] = NET_RT_NHGRP;		mib[4] = NET_RT_NHGRP;
mib[5] = 0;		mib[5] = 0;
mib[6] = fibnum;		mib[6] = fibnum;
if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)		if (sysctl(mib, nitems(mib), NULL, &needed, NULL, 0) < 0)
err(EX_OSERR, "sysctl: net.route.0.%d.nhgrpdump.%d estimate",		xo_err(EX_OSERR, "sysctl: net.route.0.%d.nhgrpdump.%d estimate",
af, fibnum);		af, fibnum);
if ((buf = malloc(needed)) == NULL)		if ((buf = malloc(needed)) == NULL)
errx(2, "malloc(%lu)", (unsigned long)needed);		xo_errx(EX_OSERR, "malloc(%lu)", (unsigned long)needed);
		desUnsubmitted Not Done Inline Actions `EX_OSERR` des: `EX_OSERR`
if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)		if (sysctl(mib, nitems(mib), buf, &needed, NULL, 0) < 0)
err(1, "sysctl: net.route.0.%d.nhgrpdump.%d", af, fibnum);		xo_err(EX_OSERR, "sysctl: net.route.0.%d.nhgrpdump.%d", af, fibnum);
		desUnsubmitted Not Done Inline Actions `EX_OSERR` des: `EX_OSERR`
lim = buf + needed;		lim = buf + needed;

/*		/*
* nexhops groups are received unsorted. Collect everything first,		* nexhops groups are received unsorted. Collect everything first,
* and sort prior displaying.		* and sort prior displaying.
*/		*/
nhg_count = 0;		nhg_count = 0;
nhg_size = 16;		nhg_size = 16;
▲ Show 20 Lines • Show All 106 Lines • ▼ Show 20 Lines	nhgrp_print(int fibnum, int af)

intsize = sizeof(int);		intsize = sizeof(int);
if (fibnum == -1 &&		if (fibnum == -1 &&
sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)		sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
fibnum = 0;		fibnum = 0;
if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)		if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
numfibs = 1;		numfibs = 1;
if (fibnum < 0 \|\| fibnum > numfibs - 1)		if (fibnum < 0 \|\| fibnum > numfibs - 1)
errx(EX_USAGE, "%d: invalid fib", fibnum);		xo_errx(EX_USAGE, "%d: invalid fib", fibnum);

ifmap = prepare_ifmap(&ifmap_size);		ifmap = prepare_ifmap(&ifmap_size);
prepare_nh_map(fibnum, af);		prepare_nh_map(fibnum, af);

xo_open_container("route-nhgrp-information");		xo_open_container("route-nhgrp-information");
xo_emit("{T:Nexthop groups data}");		xo_emit("{T:Nexthop groups data}");
if (fibnum)		if (fibnum)
xo_emit(" ({L:fib}: {:fib/%d})", fibnum);		xo_emit(" ({L:fib}: {:fib/%d})", fibnum);
xo_emit("\n");		xo_emit("\n");
print_nhgrp_sysctl(fibnum, af);		print_nhgrp_sysctl(fibnum, af);
xo_close_container("route-nhgrp-information");		xo_close_container("route-nhgrp-information");
}		}