gnunet_dnsstub_lib.h

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/*
      This file is part of GNUnet
      Copyright (C) 2012, 2018 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
 */
 
#if !defined (__GNUNET_UTIL_LIB_H_INSIDE__)
#error "Only <gnunet_util_lib.h> can be included directly."
#endif
 
#ifndef GNUNET_DNSSTUB_LIB_H
#define GNUNET_DNSSTUB_LIB_H
 
 
#include "gnunet_util_lib.h"
 
struct GNUNET_DNSSTUB_Context;
 
struct GNUNET_DNSSTUB_RequestSocket;
 
 
struct GNUNET_DNSSTUB_Context *
GNUNET_DNSSTUB_start (unsigned int num_sockets);
 
 
int
GNUNET_DNSSTUB_add_dns_ip (struct GNUNET_DNSSTUB_Context *ctx,
                           const char *dns_ip);
 
 
int
GNUNET_DNSSTUB_add_dns_sa (struct GNUNET_DNSSTUB_Context *ctx,
                           const struct sockaddr *sa);
 
 
void
GNUNET_DNSSTUB_set_retry (struct GNUNET_DNSSTUB_Context *ctx,
                          struct GNUNET_TIME_Relative retry_freq);
 
void
GNUNET_DNSSTUB_stop (struct GNUNET_DNSSTUB_Context *ctx);
 
 
typedef void
(*GNUNET_DNSSTUB_ResultCallback)(void *cls,
                                 const struct GNUNET_TUN_DnsHeader *dns,
                                 size_t dns_len);
 
 
struct GNUNET_DNSSTUB_RequestSocket *
GNUNET_DNSSTUB_resolve (struct GNUNET_DNSSTUB_Context *ctx,
                        const void *request,
                        size_t request_len,
                        GNUNET_DNSSTUB_ResultCallback rc,
                        void *rc_cls);
 
 
void
GNUNET_DNSSTUB_resolve_cancel (struct GNUNET_DNSSTUB_RequestSocket *rs);
 
 
#endif
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