esp-idf/components/openthread/include/esp_openthread_dns64.h

66 lines
1.5 KiB
C

/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "esp_openthread.h"
#include "lwip/netdb.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief This function initiizes the dns64 client.
*
* @return
* - ESP_OK on success
* - ESP_FAIL if OpenThread state changed callback fails to be registered
*
*/
esp_err_t esp_openthread_dns64_client_init(void);
/**
* @brief This function acquires the DNS server address.
*
* @param[out] dnsserver_addr The dns server address.
*
* @return
* - ESP_OK on sussess
* - ESP_ERR_INVALID_ARG if dnsserver_addr is NULL
* - ESP_ERR_INVALID_STATE if dns sever address not available
*/
esp_err_t esp_openthread_get_dnsserver_addr(ip6_addr_t *dnsserver_addr);
/**
* @brief This function acquires the NAT64 prefix in the Thread network.
*
* @param[out] nat64_prefix The NAT64 prefix output.
*
* @return
* - ESP_OK on success
* - ESP_ERR_NOT_FOUND if NAT64 prefix available
*
*/
esp_err_t esp_openthread_get_nat64_prefix(ip6_addr_t *nat64_prefix);
/**
* @brief The alternative function for gethostbyname and adds the NAT64 prefix.
*
*/
struct hostent *esp_openthread_gethostbyname_dns64(const char *name);
/**
* @brief The alternative function for getaddrinfo and adds the NAT64 prefix.
*
*/
int esp_openthread_getaddrinfo_dns64(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res);
#ifdef __cplusplus
}
#endif