dns.h

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/*
 * SPDX-FileCopyrightText: 2021 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdint.h>
 
#include "mutex.h"
#include "net/credman.h"
#include "net/coap.h"
#include "net/gcoap.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#ifndef CONFIG_GCOAP_DNS_SERVER_URI_LEN
#define CONFIG_GCOAP_DNS_SERVER_URI_LEN     64U
#endif

#ifndef CONFIG_GCOAP_DNS_CREDS_MAX
#if IS_USED(MODULE_GCOAP_DTLS) || defined(DOXYGEN)
#define CONFIG_GCOAP_DNS_CREDS_MAX          1U
#else
#define CONFIG_GCOAP_DNS_CREDS_MAX          0U
#endif
#endif

#ifndef CONFIG_GCOAP_DNS_PDU_BUF_SIZE
#define CONFIG_GCOAP_DNS_PDU_BUF_SIZE       128U
#endif

#ifndef CONFIG_GCOAP_DNS_BLOCK_SIZE
#define CONFIG_GCOAP_DNS_BLOCK_SIZE         64U
#endif

int gcoap_dns_query(const char *domain_name, void *addr_out, int family);

int gcoap_dns_server_uri_set(const char *uri);

bool gcoap_dns_server_uri_is_set(void);

ssize_t gcoap_dns_server_uri_get(char *uri, size_t uri_len);

void gcoap_dns_cred_reset(void);

int gcoap_dns_cred_add(credman_credential_t *creds);

void gcoap_dns_cred_remove(credman_tag_t tag, credman_type_t type);

void gcoap_dns_server_proxy_reset(void);

int gcoap_dns_server_proxy_set(const char *proxy);

bool gcoap_dns_server_proxy_is_set(void);

ssize_t gcoap_dns_server_proxy_get(char *proxy, size_t proxy_len);
 
#ifdef __cplusplus
}
#endif