1 /* Networking DHCPv4 client */
2
3 /*
4 * Copyright (c) 2017 ARM Ltd.
5 * Copyright (c) 2016 Intel Corporation.
6 *
7 * SPDX-License-Identifier: Apache-2.0
8 */
9
10 #include <zephyr/logging/log.h>
11 LOG_MODULE_REGISTER(net_ipv4_autoconf_sample, LOG_LEVEL_DBG);
12
13 #include <zephyr/kernel.h>
14 #include <zephyr/linker/sections.h>
15 #include <errno.h>
16 #include <stdio.h>
17
18 #include <zephyr/net/net_if.h>
19 #include <zephyr/net/net_core.h>
20 #include <zephyr/net/net_context.h>
21 #include <zephyr/net/net_mgmt.h>
22
23 static struct net_mgmt_event_callback mgmt_cb;
24
handler(struct net_mgmt_event_callback * cb,uint32_t mgmt_event,struct net_if * iface)25 static void handler(struct net_mgmt_event_callback *cb,
26 uint32_t mgmt_event,
27 struct net_if *iface)
28 {
29 int i = 0;
30 struct net_if_config *cfg;
31
32 cfg = net_if_get_config(iface);
33 if (!cfg) {
34 return;
35 }
36
37 if (mgmt_event != NET_EVENT_IPV4_ADDR_ADD) {
38 return;
39 }
40
41 for (i = 0; i < NET_IF_MAX_IPV4_ADDR; i++) {
42 char buf[NET_IPV4_ADDR_LEN];
43
44 if (cfg->ip.ipv4->unicast[i].addr_type != NET_ADDR_AUTOCONF) {
45 continue;
46 }
47
48 LOG_INF("Your address: %s",
49 net_addr_ntop(AF_INET,
50 &cfg->ip.ipv4->unicast[i].address.in_addr,
51 buf, sizeof(buf)));
52 }
53 }
54
main(void)55 int main(void)
56 {
57 LOG_INF("Run ipv4 autoconf client");
58
59 net_mgmt_init_event_callback(&mgmt_cb, handler,
60 NET_EVENT_IPV4_ADDR_ADD);
61 net_mgmt_add_event_callback(&mgmt_cb);
62 return 0;
63 }
64
