/*
This file is part of GNUnet
- (C) 2010, 2011, 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file dns/dns.h
* @brief IPC messages between DNS API and DNS service
- * @author Philipp Toelke
* @author Christian Grothoff
*/
#ifndef DNS_H
GNUNET_NETWORK_STRUCT_BEGIN
-struct query_packet
+
+/**
+ * Message from client to DNS service to register itself.
+ */
+struct GNUNET_DNS_Register
+{
+ /**
+ * Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_INIT
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * NBO encoding of `enum GNUNET_DNS_Flags` for the client.
+ */
+ uint32_t flags GNUNET_PACKED;
+};
+
+
+/**
+ * Message from DNS service to client: please handle a request.
+ */
+struct GNUNET_DNS_Request
+{
+ /**
+ * Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_REQUEST
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Always zero.
+ */
+ uint32_t reserved GNUNET_PACKED;
+
+ /**
+ * Unique request ID.
+ */
+ uint64_t request_id GNUNET_PACKED;
+
+ /* followed by original DNS request (without UDP header) */
+
+};
+
+
+/**
+ * Message from client to DNS service: here is my reply.
+ */
+struct GNUNET_DNS_Response
{
- struct GNUNET_MessageHeader hdr;
-
- /**
- * The IP-Address this query was originally sent to
- */
- char orig_to[16];
- /**
- * The IP-Address this query was originally sent from
- */
- char orig_from[16];
- char addrlen;
- /**
- * The UDP-Port this query was originally sent from
- */
- uint16_t src_port GNUNET_PACKED;
-
- unsigned char data[1]; /* The DNS-Packet */
+ /**
+ * Header of type #GNUNET_MESSAGE_TYPE_DNS_CLIENT_RESPONSE
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Zero to drop, 1 for no change (no payload), 2 for update (message has payload).
+ */
+ uint32_t drop_flag GNUNET_PACKED;
+
+ /**
+ * Unique request ID.
+ */
+ uint64_t request_id GNUNET_PACKED;
+
+ /* followed by original DNS request (without UDP header) */
+
};
+
+
GNUNET_NETWORK_STRUCT_END
#endif