fnet_dns.h

 /**************************************************************************

 *

 * Copyright 2011-2017 by Andrey Butok. FNET Community.

 *

 ***************************************************************************

 *

 * Licensed under the Apache License, Version 2.0 (the "License"); you may

 * not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 ***************************************************************************

 *

 * DNS Resolver API.

 *

 ***************************************************************************/

 

 #ifndef _FNET_DNS_H_

 

 #define _FNET_DNS_H_

 

 #if FNET_CFG_DNS || defined(__DOXYGEN__)

 

 /**************************************************************************/

 struct fnet_dns_resolved_addr

 {

  struct fnet_sockaddr resolved_addr;

  fnet_uint32_t resolved_addr_ttl;

 };

 

 /**************************************************************************/

 typedef void *fnet_dns_desc_t;

 

 /**************************************************************************/

 typedef void(*fnet_dns_callback_resolved_t)(const struct fnet_dns_resolved_addr *addr_list, fnet_size_t addr_list_size, void *cookie);

 

 /**************************************************************************/

 struct fnet_dns_params

 {

  struct fnet_sockaddr dns_server_addr;

  const fnet_char_t *host_name;

  fnet_address_family_t addr_family;

  fnet_dns_callback_resolved_t callback;

  void *cookie;

 };

 

 #if defined(__cplusplus)

 extern "C" {

 #endif

 

 /***************************************************************************/

 fnet_dns_desc_t fnet_dns_init( struct fnet_dns_params *params );

 

 /***************************************************************************/

 void fnet_dns_release(fnet_dns_desc_t desc);

 

 /***************************************************************************/

 fnet_bool_t fnet_dns_is_enabled(fnet_dns_desc_t desc);

 

 #if defined(__cplusplus)

 }

 #endif

 

 #endif /* FNET_CFG_DNS */

 

 #endif /* _FNET_DNS_H_ */