cfc005a460
and change the remain inclusion to netinet/arp.h Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
173 lines
4.9 KiB
C
173 lines
4.9 KiB
C
/****************************************************************************
|
|
* apps/examples/discover/discover_main.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
#include <debug.h>
|
|
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include "netutils/netlib.h"
|
|
#include "netutils/discover.h"
|
|
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
|
|
# include <arpa/inet.h>
|
|
#endif
|
|
|
|
/* Here we include the header file for the application(s) we use in
|
|
* our project as defined in the config/<board-name>/defconfig file
|
|
*/
|
|
|
|
/* DHCPC may be used in conjunction with any other feature (or not) */
|
|
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
|
|
# include "netutils/dhcpc.h"
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* discover_main
|
|
****************************************************************************/
|
|
|
|
int main(int argc, FAR char *argv[])
|
|
{
|
|
/* If this task is excecutated as an NSH built-in function, then the
|
|
* network has already been configured by NSH's start-up logic.
|
|
*/
|
|
|
|
#ifndef CONFIG_NSH_NETINIT
|
|
struct in_addr addr;
|
|
#if defined(CONFIG_EXAMPLES_DISCOVER_DHCPC) || defined(CONFIG_EXAMPLES_DISCOVER_NOMAC)
|
|
uint8_t mac[IFHWADDRLEN];
|
|
#endif
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
|
|
void *handle;
|
|
#endif
|
|
|
|
/* Many embedded network interfaces must have a software assigned MAC */
|
|
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_NOMAC
|
|
mac[0] = 0x00;
|
|
mac[1] = 0xe0;
|
|
mac[2] = 0xde;
|
|
mac[3] = 0xad;
|
|
mac[4] = 0xbe;
|
|
mac[5] = 0xef;
|
|
netlib_setmacaddr("eth0", mac);
|
|
#endif
|
|
|
|
/* Set up our host address */
|
|
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
|
|
addr.s_addr = 0;
|
|
#else
|
|
addr.s_addr = htonl(CONFIG_EXAMPLES_DISCOVER_IPADDR);
|
|
#endif
|
|
netlib_set_ipv4addr("eth0", &addr);
|
|
|
|
/* Set up the default router address */
|
|
|
|
addr.s_addr = htonl(CONFIG_EXAMPLES_DISCOVER_DRIPADDR);
|
|
netlib_set_dripv4addr("eth0", &addr);
|
|
|
|
/* Setup the subnet mask */
|
|
|
|
addr.s_addr = htonl(CONFIG_EXAMPLES_DISCOVER_NETMASK);
|
|
netlib_set_ipv4netmask("eth0", &addr);
|
|
|
|
/* New versions of netlib_set_ipvXaddr will not bring the network up,
|
|
* So ensure the network is really up at this point.
|
|
*/
|
|
|
|
netlib_ifup("eth0");
|
|
|
|
#ifdef CONFIG_EXAMPLES_DISCOVER_DHCPC
|
|
/* Get the MAC address of the NIC */
|
|
|
|
netlib_getmacaddr("eth0", mac);
|
|
|
|
/* Set up the DHCPC modules */
|
|
|
|
handle = dhcpc_open("eth0", &mac, IFHWADDRLEN);
|
|
|
|
/* Get an IP address.
|
|
* Note: there is no logic here for renewing the address in this
|
|
* example. The address should be renewed in ds.lease_time/2 seconds.
|
|
*/
|
|
|
|
printf("Getting IP address\n");
|
|
if (handle)
|
|
{
|
|
struct dhcpc_state ds;
|
|
char inetaddr[INET_ADDRSTRLEN];
|
|
|
|
dhcpc_request(handle, &ds);
|
|
netlib_set_ipv4addr("eth0", &ds.ipaddr);
|
|
|
|
if (ds.netmask.s_addr != 0)
|
|
{
|
|
netlib_set_ipv4netmask("eth0", &ds.netmask);
|
|
}
|
|
|
|
if (ds.default_router.s_addr != 0)
|
|
{
|
|
netlib_set_dripv4addr("eth0", &ds.default_router);
|
|
}
|
|
|
|
if (ds.dnsaddr.s_addr != 0)
|
|
{
|
|
netlib_set_ipv4dnsaddr(&ds.dnsaddr);
|
|
}
|
|
|
|
dhcpc_close(handle);
|
|
printf("IP: %s\n", inet_ntoa_r(ds.ipaddr, inetaddr, sizeof(inetaddr)));
|
|
}
|
|
|
|
#endif /* CONFIG_EXAMPLES_DISCOVER_DHCPC */
|
|
#endif /* CONFIG_NSH_NETINIT */
|
|
|
|
if (discover_start(NULL) < 0)
|
|
{
|
|
nerr("ERROR: Could not start discover daemon.\n");
|
|
return ERROR;
|
|
}
|
|
|
|
return OK;
|
|
}
|