gnunet_dns_service.h

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/*
      This file is part of GNUnet
      Copyright (C) 2012 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
      by the Free Software Foundation, either version 3 of the License,
      or (at your option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Affero General Public License for more details.
 
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
#ifndef GNUNET_DNS_SERVICE_H
#define GNUNET_DNS_SERVICE_H
 
 
#include "gnunet_util_lib.h"
 
 
struct GNUNET_DNS_Handle;
 
struct GNUNET_DNS_RequestHandle;
 
enum GNUNET_DNS_Flags
{
  GNUNET_DNS_FLAG_NEVER = 0,
 
  GNUNET_DNS_FLAG_REQUEST_MONITOR = 1,
 
  GNUNET_DNS_FLAG_PRE_RESOLUTION = 2,
 
  GNUNET_DNS_FLAG_POST_RESOLUTION = 4,
 
  GNUNET_DNS_FLAG_RESPONSE_MONITOR = 8
};
 
 
typedef void
(*GNUNET_DNS_RequestHandler)(void *cls,
                             struct GNUNET_DNS_RequestHandle *rh,
                             size_t request_length,
                             const char *request);
 
 
void
GNUNET_DNS_request_forward (struct GNUNET_DNS_RequestHandle *rh);
 
 
void
GNUNET_DNS_request_drop (struct GNUNET_DNS_RequestHandle *rh);
 
 
void
GNUNET_DNS_request_answer (struct GNUNET_DNS_RequestHandle *rh,
                           uint16_t reply_length,
                           const char *reply);
 
 
struct GNUNET_DNS_Handle *
GNUNET_DNS_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
                    enum GNUNET_DNS_Flags flags,
                    GNUNET_DNS_RequestHandler rh,
                    void *rh_cls);
 
 
void
GNUNET_DNS_disconnect (struct GNUNET_DNS_Handle *dh);
 
 
#endif
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