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- /*
- This file is part of GNUnet.
- Copyright (C) 2009, 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
- */
- /**
- * @author Christian Grothoff
- * @file util/resolver.h
- */
- #ifndef RESOLVER_H
- #define RESOLVER_H
- #include "gnunet_common.h"
- GNUNET_NETWORK_STRUCT_BEGIN
- /**
- * Request for the resolver. Followed by either the "struct sockaddr"
- * or the 0-terminated hostname.
- *
- * The response will be one or more messages of type
- * RESOLVER_RESPONSE, each with the message header immediately
- * followed by the requested data (0-terminated hostname or struct
- * in[6]_addr, depending on direction). The last RESOLVER_RESPONSE
- * will just be a header without any data (used to indicate the end of
- * the list).
- */
- struct GNUNET_RESOLVER_GetMessage
- {
- /**
- * Type: #GNUNET_MESSAGE_TYPE_RESOLVER_REQUEST
- */
- struct GNUNET_MessageHeader header;
- /**
- * GNUNET_YES to get hostname from IP,
- * GNUNET_NO to get IP from hostname.
- */
- int32_t direction GNUNET_PACKED;
- /**
- * Address family to use (AF_INET, AF_INET6 or AF_UNSPEC).
- */
- int32_t af GNUNET_PACKED;
- /**
- * identifies the request and is contained in the response message. The
- * client has to match response to request by this identifier.
- */
- uint32_t client_id GNUNET_PACKED;
- /* followed by 0-terminated string for A/AAAA-lookup or
- by 'struct in_addr' / 'struct in6_addr' for reverse lookup */
- };
- struct GNUNET_RESOLVER_ResponseMessage
- {
- /**
- * Type: #GNUNET_MESSAGE_TYPE_RESOLVER_RESPONSE
- */
- struct GNUNET_MessageHeader header;
- /**
- * identifies the request this message responds to. The client
- * has to match response to request by this identifier.
- */
- uint32_t client_id GNUNET_PACKED;
- /* followed by 0-terminated string for response to a reverse lookup
- * or by 'struct in_addr' / 'struct in6_addr' for response to
- * A/AAAA-lookup
- */
- };
- GNUNET_NETWORK_STRUCT_END
- #endif
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