Zephyr API Documentation 3.7.99
A Scalable Open Source RTOS
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DNS resolving library. More...
#include <zephyr/kernel.h>
#include <zephyr/net/net_ip.h>
#include <zephyr/net/socket_poll.h>
#include <zephyr/net/net_core.h>
Go to the source code of this file.
Data Structures | |
struct | dns_addrinfo |
Address info struct is passed to callback that gets all the results. More... | |
struct | dns_resolve_context |
DNS resolve context structure. More... | |
struct | dns_resolve_context::dns_server |
List of configured DNS servers. More... | |
struct | dns_resolve_context::dns_pending_query |
Result callbacks. More... | |
Macros | |
#define | DNS_MAX_NAME_SIZE 20 |
Max size of the resolved name. | |
Typedefs | |
typedef void(* | dns_resolve_cb_t) (enum dns_resolve_status status, struct dns_addrinfo *info, void *user_data) |
DNS resolve callback. | |
Enumerations | |
enum | dns_query_type { DNS_QUERY_TYPE_A = 1 , DNS_QUERY_TYPE_AAAA = 28 } |
DNS query type enum. More... | |
enum | dns_resolve_status { DNS_EAI_BADFLAGS = -1 , DNS_EAI_NONAME = -2 , DNS_EAI_AGAIN = -3 , DNS_EAI_FAIL = -4 , DNS_EAI_NODATA = -5 , DNS_EAI_FAMILY = -6 , DNS_EAI_SOCKTYPE = -7 , DNS_EAI_SERVICE = -8 , DNS_EAI_ADDRFAMILY = -9 , DNS_EAI_MEMORY = -10 , DNS_EAI_SYSTEM = -11 , DNS_EAI_OVERFLOW = -12 , DNS_EAI_INPROGRESS = -100 , DNS_EAI_CANCELED = -101 , DNS_EAI_NOTCANCELED = -102 , DNS_EAI_ALLDONE = -103 , DNS_EAI_IDN_ENCODE = -105 } |
Status values for the callback. More... | |
Functions | |
int | dns_resolve_init (struct dns_resolve_context *ctx, const char *dns_servers_str[], const struct sockaddr *dns_servers_sa[]) |
Init DNS resolving context. | |
int | dns_resolve_init_default (struct dns_resolve_context *ctx) |
Init DNS resolving context with default Kconfig options. | |
int | dns_resolve_close (struct dns_resolve_context *ctx) |
Close DNS resolving context. | |
int | dns_resolve_reconfigure (struct dns_resolve_context *ctx, const char *servers_str[], const struct sockaddr *servers_sa[]) |
Reconfigure DNS resolving context. | |
int | dns_resolve_cancel (struct dns_resolve_context *ctx, uint16_t dns_id) |
Cancel a pending DNS query. | |
int | dns_resolve_cancel_with_name (struct dns_resolve_context *ctx, uint16_t dns_id, const char *query_name, enum dns_query_type query_type) |
Cancel a pending DNS query using id, name and type. | |
int | dns_resolve_name (struct dns_resolve_context *ctx, const char *query, enum dns_query_type type, uint16_t *dns_id, dns_resolve_cb_t cb, void *user_data, int32_t timeout) |
Resolve DNS name. | |
struct dns_resolve_context * | dns_resolve_get_default (void) |
Get default DNS context. | |
static int | dns_get_addr_info (const char *query, enum dns_query_type type, uint16_t *dns_id, dns_resolve_cb_t cb, void *user_data, int32_t timeout) |
Get IP address info from DNS. | |
static int | dns_cancel_addr_info (uint16_t dns_id) |
Cancel a pending DNS query. | |
DNS resolving library.
An API for applications to resolve a DNS name.