/****************************************************************************
* examples/netlink_route/netlink_route_main.c
*
* Copyright (C) 2008, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdlib.h>
#include <inttypes.h>
#include <stdio.h>
#include <sched.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <net/route.h>
#include <net/ethernet.h>
#include <netinet/in.h>
#include <nuttx/net/arp.h>
#include <nuttx/net/neighbor.h>
#include "netutils/netlib.h"
#ifdef CONFIG_NETLINK_ROUTE
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MAX_DEVICES 16
#define MAX_ROUTES 64
#ifdef CONFIG_NET_IPv6
# define ROUTE_BUFSIZE INET6_ADDRSTRLEN
#else
# define ROUTE_BUFSIZE INET_ADDRSTRLEN
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
#ifndef CONFIG_NETLINK_DISABLE_GETLINK
static void dump_devices(sa_family_t family)
{
struct netlib_device_s devlist[MAX_DEVICES];
ssize_t nentries;
int i;
printf("\nDevice List");
/* Read the device list */
nentries = netlib_get_devices(devlist, MAX_DEVICES, family);
if (nentries < 0)
{
fprintf(stderr, "\nERROR: netlib_get_devices failed: %d\n",
(int)nentries);
return;
}
printf(" (Entries: %ld)\n", (long)nentries);
/* Dump the device list */
for (i = 0; i < nentries; i++)
{
FAR struct netlib_device_s *dev = &devlist[i];
#ifdef CONFIG_NETDEV_IFINDEX
printf(" Index: %2d ," dev->ifindex);
#else
printf(" ");
#endif
printf("Name: \"%s\"\n", dev->ifname);
}
}
#else
# define dump_devices(f)
#endif
#if defined(CONFIG_NET_IPv6) && !defined(CONFIG_NETLINK_DISABLE_GETNEIGH)
static void dump_neighbor(void)
{
FAR struct neighbor_entry_s *nbtab;
FAR char buffer[INET6_ADDRSTRLEN];
size_t allocsize;
ssize_t nentries;
int i;
int j;
printf("\nIPv6 Neighbor Table");
/* Allocate a buffer to hold the neighbor table */
allocsize = CONFIG_NET_IPv6_NCONF_ENTRIES *
sizeof(struct neighbor_entry_s);
nbtab = (FAR struct neighbor_entry_s *)malloc(allocsize);
if (nbtab == NULL)
{
fprintf(stderr, "\nERROR: Failed to allocate neighbor table\n");
return;
}
/* Get the neighbor table */
nentries = netlib_get_nbtable(nbtab, CONFIG_NET_IPv6_NCONF_ENTRIES);
if (nentries < 0)
{
fprintf(stderr, "\nERROR: netlib_get_nbtable failed: %d\n",
(int)nentries);
return;
}
printf(" (Entries: %ld)\n", (long)nentries);
/* Show each neighbor */
for (i = 0; i < nentries; i++)
{
FAR struct neighbor_entry_s *nb = &nbtab[i];
inet_ntop(AF_INET6, &nb->ne_ipaddr, buffer, INET6_ADDRSTRLEN);
printf(" Dest: %s MAC Type: %2u Size: %3u Addr: ",
buffer, nb->ne_addr.na_lltype, nb->ne_addr.na_llsize);
for (j = 0; j < nb->ne_addr.na_llsize; j++)
{
if ((j + 1) >= nb->ne_addr.na_llsize)
{
printf("%02x", nb->ne_addr.u.na_addr);
}
else
{
printf("%02x.", nb->ne_addr.u.na_addr);
}
}
for (; j < 7; j++)
{
printf(" ");
}
if (j < 8)
{
printf(" ");
}
#ifdef CONFIG_SYSTEM_TIME64
printf("Time 0x%" PRIx64 "\n", nb->ne_time);
#else
printf("Time 0x%" PRIx32 "\n", nb->ne_time);
#endif
}
free(nbtab);
}
#else
# define dump_neighbor()
#endif
#if defined(CONFIG_NET_ARP) && !defined(CONFIG_NETLINK_DISABLE_GETNEIGH)
static void dump_arp(void)
{
FAR struct arp_entry_s *arptab;
FAR char buffer[INET_ADDRSTRLEN];
size_t allocsize;
ssize_t nentries;
int i;
int j;
printf("\nIPv4 ARP Table");
/* Allocate a buffer to hold the ARP table */
allocsize = CONFIG_NET_ARPTAB_SIZE * sizeof(struct arp_entry_s);
arptab = (FAR struct arp_entry_s *)malloc(allocsize);
if (arptab == NULL)
{
fprintf(stderr, "\nERROR: Failed to allocate ARP table\n");
return;
}
/* Get the ARP table */
nentries = netlib_get_arptable(arptab, CONFIG_NET_ARPTAB_SIZE);
if (nentries < 0)
{
fprintf(stderr, "\nERROR: netlib_get_arptable failed: %d\n",
(int)nentries);
return;
}
printf(" (Entries: %ld)\n", (long)nentries);
/* Show each ARP table entry */
for (i = 0; i < nentries; i++)
{
FAR struct arp_entry_s *arp = &arptab[i];
inet_ntop(AF_INET, &arp->at_ipaddr, buffer, INET_ADDRSTRLEN);
printf(" Dest: %s MAC Addr: ", buffer);
for (j = 0; j < ETHER_ADDR_LEN; j++)
{
if (j == (ETHER_ADDR_LEN - 1))
{
printf("%02x", arp->at_ethaddr.ether_addr_octet[j]);
}
else
{
printf("%02x.", arp->at_ethaddr.ether_addr_octet[j]);
}
}
#ifdef CONFIG_SYSTEM_TIME64
printf(" Time 0x%" PRIx64 "\n", arp->at_time);
#else
printf(" Time 0x%" PRIx32 "\n", arp->at_time);
#endif
}
free(arptab);
}
#else
# define dump_arp()
#endif
#if defined(CONFIG_NET_ROUTE) && !defined(CONFIG_NETLINK_DISABLE_GETROUTE)
static void dump_route(sa_family_t family)
{
FAR struct rtentry *rttab;
FAR char buffer[ROUTE_BUFSIZE];
size_t allocsize;
ssize_t nentries;
int i;
printf("\nIPv%c Routing Table", family == AF_INET ? '4' : '6');
/* Allocate a buffer to hold the routing table */
allocsize = MAX_ROUTES * sizeof(struct rtentry);
rttab = (FAR struct rtentry *)malloc(allocsize);
if (rttab == NULL)
{
fprintf(stderr, "\nERROR: Failed to allocate routing table\n");
return;
}
/* Get the routing table */
nentries = netlib_get_route(rttab, MAX_ROUTES, family);
if (nentries < 0)
{
fprintf(stderr, "\nERROR: netlib_get_route failed: %d\n",
(int)nentries);
return;
}
printf(" (Entries: %ld)\n", (long)nentries);
/* Show each routing table entry */
for (i = 0; i < nentries; i++)
{
FAR struct rtentry *rte = &rttab[i];
inet_ntop(rte->rt_dst.ss_family, &rte->rt_dst.ss_data, buffer,
ROUTE_BUFSIZE);
printf(" Dest: %s ", buffer);
inet_ntop(rte->rt_gateway.ss_family, &rte->rt_gateway.ss_data,
buffer, ROUTE_BUFSIZE);
printf("Gateway: %s ", buffer);
inet_ntop(rte->rt_genmask.ss_family, &rte->rt_genmask.ss_data,
buffer, ROUTE_BUFSIZE);
printf("GenMASK: %s ", buffer);
printf("Flags: %04x\n", rte->rt_flags);
}
free(rttab);
}
#else
# define dump_route(f)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* netlink_route_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
dump_devices(AF_PACKET);
dump_neighbor();
dump_arp();
dump_route(AF_INET);
dump_route(AF_INET6);
return EXIT_SUCCESS;
}
#endif /* CONFIG_NETLINK_ROUTE */