1 /*
2 * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <string.h>
8 #include "esp_netif.h"
9 #include "esp_event.h"
10 #include "esp_err.h"
11 #include "esp_log.h"
12 #include "esp_netif_private.h"
13
14 //
15 // Purpose of this module is to define general event handler primitives
16 // enabling application code to them either directly or with minimal modification
17 // for example with a separate pre/post handler.
18 // This module has no dependency on a specific network stack (lwip)
19 //
20
21 static const char *TAG = "esp_netif_handlers";
22
esp_netif_action_start(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)23 void esp_netif_action_start(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
24 {
25 ESP_LOGD(TAG, "esp_netif action has started with netif%p from event_id=%d", esp_netif, event_id);
26 esp_netif_start(esp_netif);
27 }
28
esp_netif_action_stop(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)29 void esp_netif_action_stop(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
30 {
31 ESP_LOGD(TAG, "esp_netif action stopped with netif%p from event_id=%d", esp_netif, event_id);
32 esp_netif_stop(esp_netif);
33 }
34
esp_netif_action_connected(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)35 void esp_netif_action_connected(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
36 {
37
38 ESP_LOGD(TAG, "esp_netif action connected with netif%p from event_id=%d", esp_netif, event_id);
39 esp_netif_up(esp_netif);
40
41 if (!(esp_netif_get_flags(esp_netif) & ESP_NETIF_DHCP_CLIENT)) {
42 // No more actions for interfaces without DHCP client flag
43 return;
44 }
45 #if CONFIG_LWIP_IPV4
46 esp_netif_dhcp_status_t status;
47 ESP_NETIF_CALL_CHECK("connected action: dhcpc failed", esp_netif_dhcpc_get_status(esp_netif, &status), ESP_OK);
48 if (status == ESP_NETIF_DHCP_INIT) {
49 esp_netif_dhcpc_start(esp_netif);
50 } else if (status == ESP_NETIF_DHCP_STOPPED) {
51 //
52 esp_netif_ip_info_t ip;
53 esp_netif_ip_info_t old_ip;
54
55 esp_netif_get_ip_info(esp_netif, &ip);
56 esp_netif_get_old_ip_info(esp_netif, &old_ip);
57
58 if (esp_netif_is_valid_static_ip(&ip)) {
59 ip_event_got_ip_t evt = {
60 .esp_netif = esp_netif,
61 .ip_changed = false,
62 };
63
64 if (memcmp(&ip, &old_ip, sizeof(ip))) {
65 evt.ip_changed = true;
66 }
67
68 memcpy(&evt.ip_info, &ip, sizeof(esp_netif_ip_info_t));
69 esp_netif_set_old_ip_info(esp_netif, &ip);
70
71 ESP_NETIF_CALL_CHECK("esp_event_post in esp_netif_action_connected",
72 esp_event_post(IP_EVENT, esp_netif_get_event_id(esp_netif, ESP_NETIF_IP_EVENT_GOT_IP) ,
73 &evt, sizeof(evt), 0), ESP_OK);
74 ESP_LOGD(TAG, "static ip: ip changed=%d", evt.ip_changed);
75 } else {
76 ESP_LOGE(TAG, "invalid static ip");
77 }
78 }
79 #endif
80 }
81
esp_netif_action_disconnected(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)82 void esp_netif_action_disconnected(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
83 {
84 ESP_LOGD(TAG, "esp_netif action disconnected with netif%p from event_id=%d", esp_netif, event_id);
85 esp_netif_down(esp_netif);
86
87 }
88
esp_netif_action_got_ip(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)89 void esp_netif_action_got_ip(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
90 {
91 ESP_LOGD(TAG, "esp_netif action got_ip with netif%p from event_id=%d", esp_netif, event_id);
92 const ip_event_got_ip_t *event = (const ip_event_got_ip_t *) data;
93 ESP_LOGI(TAG, "%s ip: " IPSTR ", mask: " IPSTR ", gw: " IPSTR, esp_netif_get_desc(esp_netif),
94 IP2STR(&event->ip_info.ip),
95 IP2STR(&event->ip_info.netmask),
96 IP2STR(&event->ip_info.gw));
97 }
98
esp_netif_action_join_ip6_multicast_group(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)99 void esp_netif_action_join_ip6_multicast_group(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
100 {
101 ESP_LOGD(TAG, "esp_netif action join_ip6_multicast group with netif%p from event_id=%d", esp_netif, event_id);
102 const esp_ip6_addr_t *addr = (const esp_ip6_addr_t *)data;
103 esp_netif_join_ip6_multicast_group(esp_netif, addr);
104 }
105
esp_netif_action_leave_ip6_multicast_group(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)106 void esp_netif_action_leave_ip6_multicast_group(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
107 {
108 ESP_LOGD(TAG, "esp_netif action leave_ip6_multicast_group with netif%p from event_id=%d", esp_netif, event_id);
109 const esp_ip6_addr_t *addr = (const esp_ip6_addr_t *)data;
110 esp_netif_leave_ip6_multicast_group(esp_netif, addr);
111 }
112
esp_netif_action_add_ip6_address(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)113 void esp_netif_action_add_ip6_address(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
114 {
115 ESP_LOGD(TAG, "esp_netif action add_ip6_address with netif%p from event_id=%d", esp_netif, event_id);
116 const ip_event_add_ip6_t *addr = (const ip_event_add_ip6_t *)data;
117 esp_netif_add_ip6_address(esp_netif, addr);
118 }
119
esp_netif_action_remove_ip6_address(void * esp_netif,esp_event_base_t base,int32_t event_id,void * data)120 void esp_netif_action_remove_ip6_address(void *esp_netif, esp_event_base_t base, int32_t event_id, void *data)
121 {
122 ESP_LOGD(TAG, "esp_netif action remove_ip6_address with netif%p from event_id=%d", esp_netif, event_id);
123 const esp_ip6_addr_t *addr = (const esp_ip6_addr_t *)data;
124 esp_netif_remove_ip6_address(esp_netif, addr);
125 }
126
