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esp32/modnetwork.c: Fix for setting DNS with network.WLAN.ifconfig(). 

When configuring a static set of values with ifconfig() the DNS was not
being set.  This patch fixes that, and additionally uses the tcpip_adapter
API to ensure it is thread safe.

Further discussion is here:
https://github.com/micropython/micropython-esp32/issues/210/
This commit is contained in:
Eric Poulsen 2017-10-29 17:10:00 -07:00 committed by Damien George
parent 934abc9b9d
commit b0853b5a39
1 changed files with 6 additions and 4 deletions
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10
ports/esp32/modnetwork.c
View File

@ -328,16 +328,16 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp_isconnected_obj, esp_isconnected);
STATIC mp_obj_t esp_ifconfig(size_t n_args, const mp_obj_t *args) {
wlan_if_obj_t *self = MP_OBJ_TO_PTR(args[0]);
tcpip_adapter_ip_info_t info;
ip_addr_t dns_addr;
tcpip_adapter_dns_info_t dns_info;
tcpip_adapter_get_ip_info(self->if_id, &info);
tcpip_adapter_get_dns_info(self->if_id, TCPIP_ADAPTER_DNS_MAIN, &dns_info);
if (n_args == 1) {
// get
dns_addr = dns_getserver(0);
mp_obj_t tuple[4] = {
netutils_format_ipv4_addr((uint8_t*)&info.ip, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t*)&info.netmask, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t*)&info.gw, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t*)&dns_addr, NETUTILS_BIG),
netutils_format_ipv4_addr((uint8_t*)&dns_info.ip, NETUTILS_BIG),
};
return mp_obj_new_tuple(4, tuple);
} else {
@ -356,16 +356,18 @@ STATIC mp_obj_t esp_ifconfig(size_t n_args, const mp_obj_t *args) {
netutils_parse_ipv4_addr(items[1], (void*)&info.netmask, NETUTILS_BIG);
}
netutils_parse_ipv4_addr(items[2], (void*)&info.gw, NETUTILS_BIG);
netutils_parse_ipv4_addr(items[3], (void*)&dns_addr, NETUTILS_BIG);
netutils_parse_ipv4_addr(items[3], (void*)&dns_info.ip, NETUTILS_BIG);
// To set a static IP we have to disable DHCP first
if (self->if_id == WIFI_IF_STA) {
esp_err_t e = tcpip_adapter_dhcpc_stop(WIFI_IF_STA);
if (e != ESP_OK && e != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED) _esp_exceptions(e);
ESP_EXCEPTIONS(tcpip_adapter_set_ip_info(WIFI_IF_STA, &info));
ESP_EXCEPTIONS(tcpip_adapter_set_dns_info(WIFI_IF_STA, TCPIP_ADAPTER_DNS_MAIN, &dns_info));
} else if (self->if_id == WIFI_IF_AP) {
esp_err_t e = tcpip_adapter_dhcps_stop(WIFI_IF_AP);
if (e != ESP_OK && e != ESP_ERR_TCPIP_ADAPTER_DHCP_ALREADY_STOPPED) _esp_exceptions(e);
ESP_EXCEPTIONS(tcpip_adapter_set_ip_info(WIFI_IF_AP, &info));
ESP_EXCEPTIONS(tcpip_adapter_set_dns_info(WIFI_IF_AP, TCPIP_ADAPTER_DNS_MAIN, &dns_info));
ESP_EXCEPTIONS(tcpip_adapter_dhcps_start(WIFI_IF_AP));
}
return mp_const_none;