[GNUnet-SVN] r18943 - gnunet/src/dns

[gnunet]

Author: grothoff
Date: 2012-01-02 15:28:33 +0100 (Mon, 02 Jan 2012)
New Revision: 18943

Added:
   gnunet/src/dns/dns_new.h
Log:
-implementing new DNS client API

Added: gnunet/src/dns/dns_new.h
===================================================================
--- gnunet/src/dns/dns_new.h                            (rev 0)
+++ gnunet/src/dns/dns_new.h    2012-01-02 14:28:33 UTC (rev 18943)
@@ -0,0 +1,116 @@
+/*
+      This file is part of GNUnet
+      (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
+      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
+      General Public License for more details.
+
+      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.
+ */
+
+/**
+ * @file dns/dns_new.h
+ * @brief IPC messages between DNS API and DNS service
+ * @author Christian Grothoff
+ */
+#ifndef DNS_NEW_H
+#define DNS_NEW_H
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * 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;
+
+  /**
+   * A DNS type (GNUNET_DNS_TYPE_*)
+   */
+  uint16_t dns_type GNUNET_PACKED;
+  
+  /**
+   * A DNS class (usually 1).
+   */
+  uint16_t dns_class GNUNET_PACKED;
+
+  /**
+   * Unique request ID.
+   */
+  uint64_t request_id GNUNET_PACKED;
+
+  /**
+   * TTL if rdata is present, otherwise 0.
+   */
+  uint32_t dns_ttl GNUNET_PACKED;
+
+  /**
+   * Number of bytes of rdata that follow at the end.
+   */
+  uint16_t rdata_length GNUNET_PACKED;
+
+  /**
+   * Number of bytes of the name that follow right now (including 
0-termination).
+   */
+  uint16_t name_length GNUNET_PACKED;
+  
+  /* followed by char name[name_length] */
+
+  /* followed by char rdata[rdata_length] */
+
+};
+
+
+/**
+ * Message from client to DNS service: here is my reply.
+ */
+struct GNUNET_DNS_Response
+{
+  /**
+   * Header of type GNUNET_MESSAGE_TYPE_DNS_CLIENT_RESPONSE
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * TTL if rdata is present, otherwise 0.
+   */
+  uint32_t dns_ttl GNUNET_PACKED;
+
+  /**
+   * Unique request ID, matches the original request.
+   */
+  uint64_t request_id GNUNET_PACKED;
+
+  /**
+   * 1 to drop request, 0 to forward if there is no response
+   * or to answer if there is a response.
+   */
+  uint16_t drop_flag GNUNET_PACKED;
+
+  /**
+   * Number of bytes of rdata that follow at the end.
+   */
+  uint16_t rdata_length GNUNET_PACKED;
+
+  /* followed by char rdata[rdata_length] */
+
+};
+
+
+GNUNET_NETWORK_STRUCT_END
+
+#endif