/*
* Copyright (c) 2017 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <logging/log.h>
LOG_MODULE_REGISTER(net_telnet_sample, LOG_LEVEL_DBG);
#include <zephyr.h>
#include <linker/sections.h>
#include <errno.h>
#include <stdio.h>
#include <net/net_core.h>
#include <net/net_if.h>
#include <net/net_mgmt.h>
#if defined(CONFIG_NET_DHCPV4)
static struct net_mgmt_event_callback mgmt_cb;
static void ipv4_addr_add_handler(struct net_mgmt_event_callback *cb,
u32_t mgmt_event,
struct net_if *iface)
{
char hr_addr[NET_IPV4_ADDR_LEN];
int i = 0;
if (mgmt_event != NET_EVENT_IPV4_ADDR_ADD) {
/* Spurious callback. */
return;
}
for (i = 0; i < NET_IF_MAX_IPV4_ADDR; i++) {
struct net_if_addr *if_addr =
&iface->config.ip.ipv4->unicast[i];
if (if_addr->addr_type != NET_ADDR_DHCP || !if_addr->is_used) {
continue;
}
LOG_INF("IPv4 address: %s",
log_strdup(net_addr_ntop(AF_INET,
&if_addr->address.in_addr,
hr_addr, NET_IPV4_ADDR_LEN)));
LOG_INF("Lease time: %u seconds",
iface->config.dhcpv4.lease_time);
LOG_INF("Subnet: %s",
log_strdup(net_addr_ntop(AF_INET,
&iface->config.ip.ipv4->netmask,
hr_addr, NET_IPV4_ADDR_LEN)));
LOG_INF("Router: %s",
log_strdup(net_addr_ntop(AF_INET,
&iface->config.ip.ipv4->gw,
hr_addr, NET_IPV4_ADDR_LEN)));
break;
}
}
static void setup_dhcpv4(struct net_if *iface)
{
LOG_INF("Running dhcpv4 client...");
net_mgmt_init_event_callback(&mgmt_cb, ipv4_addr_add_handler,
NET_EVENT_IPV4_ADDR_ADD);
net_mgmt_add_event_callback(&mgmt_cb);
net_dhcpv4_start(iface);
}
#else
#define setup_dhcpv4(...)
#endif /* CONFIG_NET_DHCPV4 */
#if defined(CONFIG_NET_IPV4) && !defined(CONFIG_NET_DHCPV4)
#if !defined(CONFIG_NET_CONFIG_MY_IPV4_ADDR)
#error "You need to define an IPv4 Address or enable DHCPv4!"
#endif
static void setup_ipv4(struct net_if *iface)
{
char hr_addr[NET_IPV4_ADDR_LEN];
struct in_addr addr;
if (net_addr_pton(AF_INET, CONFIG_NET_CONFIG_MY_IPV4_ADDR, &addr)) {
LOG_ERR("Invalid address: %s", CONFIG_NET_CONFIG_MY_IPV4_ADDR);
return;
}
net_if_ipv4_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);
LOG_INF("IPv4 address: %s",
log_strdup(net_addr_ntop(AF_INET, &addr, hr_addr,
NET_IPV4_ADDR_LEN)));
}
#else
#define setup_ipv4(...)
#endif /* CONFIG_NET_IPV4 && !CONFIG_NET_DHCPV4 */
#if defined(CONFIG_NET_IPV6)
#define MCAST_IP6ADDR "ff84::2"
#ifndef CONFIG_NET_CONFIG_MY_IPV6_ADDR
#error "You need to define an IPv6 Address!"
#endif
static void setup_ipv6(struct net_if *iface)
{
char hr_addr[NET_IPV6_ADDR_LEN];
struct in6_addr addr;
if (net_addr_pton(AF_INET6, CONFIG_NET_CONFIG_MY_IPV6_ADDR, &addr)) {
LOG_ERR("Invalid address: %s", CONFIG_NET_CONFIG_MY_IPV6_ADDR);
return;
}
net_if_ipv6_addr_add(iface, &addr, NET_ADDR_MANUAL, 0);
LOG_INF("IPv6 address: %s",
log_strdup(net_addr_ntop(AF_INET6, &addr, hr_addr,
NET_IPV6_ADDR_LEN)));
if (net_addr_pton(AF_INET6, MCAST_IP6ADDR, &addr)) {
LOG_ERR("Invalid address: %s", MCAST_IP6ADDR);
return;
}
net_if_ipv6_maddr_add(iface, &addr);
}
#else
#define setup_ipv6(...)
#endif /* CONFIG_NET_IPV6 */
void main(void)
{
struct net_if *iface = net_if_get_default();
LOG_INF("Starting Telnet sample");
setup_ipv4(iface);
setup_dhcpv4(iface);
setup_ipv6(iface);
}