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[GNUnet-SVN] r13213 - in gnunet/src: block include
From: |
gnunet |
Subject: |
[GNUnet-SVN] r13213 - in gnunet/src: block include |
Date: |
Fri, 8 Oct 2010 09:36:36 +0200 |
Author: toelke
Date: 2010-10-08 09:36:36 +0200 (Fri, 08 Oct 2010)
New Revision: 13213
Added:
gnunet/src/block/plugin_block_dns.c
Modified:
gnunet/src/block/Makefile.am
gnunet/src/include/gnunet_block_lib.h
Log:
template for the dns-block
Modified: gnunet/src/block/Makefile.am
===================================================================
--- gnunet/src/block/Makefile.am 2010-10-08 07:36:35 UTC (rev 13212)
+++ gnunet/src/block/Makefile.am 2010-10-08 07:36:36 UTC (rev 13213)
@@ -16,6 +16,7 @@
libgnunet_plugin_block_dht.la \
libgnunet_plugin_block_fs.la \
libgnunet_plugin_block_template.la \
+ libgnunet_plugin_block_dns.la \
libgnunet_plugin_block_test.la
libgnunet_plugin_block_dht_la_SOURCES = \
@@ -35,6 +36,13 @@
libgnunet_plugin_block_fs_la_LDFLAGS = \
$(GN_PLUGIN_LDFLAGS)
+libgnunet_plugin_block_dns_la_SOURCES = \
+ plugin_block_dns.c
+libgnunet_plugin_block_dns_la_LIBADD = \
+ $(top_builddir)/src/util/libgnunetutil.la
+libgnunet_plugin_block_dns_la_LDFLAGS = \
+ $(GN_PLUGIN_LDFLAGS)
+
libgnunet_plugin_block_template_la_SOURCES = \
plugin_block_template.c
libgnunet_plugin_block_template_la_LIBADD = \
Added: gnunet/src/block/plugin_block_dns.c
===================================================================
--- gnunet/src/block/plugin_block_dns.c (rev 0)
+++ gnunet/src/block/plugin_block_dns.c 2010-10-08 07:36:36 UTC (rev 13213)
@@ -0,0 +1,128 @@
+/*
+ This file is part of GNUnet
+ (C) 2010 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 3, 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 block/plugin_block_dns.c
+ * @brief block plugin for storing .gnunet-bindings
+ * @author Philipp Tölke
+ */
+
+#include "platform.h"
+#include "plugin_block.h"
+
+#define DEBUG_DHT GNUNET_NO
+
+/**
+ * Function called to validate a reply or a request. For
+ * request evaluation, simply pass "NULL" for the reply_block.
+ *
+ * @param cls closure
+ * @param type block type
+ * @param query original query (hash)
+ * @param bf pointer to bloom filter associated with query; possibly updated
(!)
+ * @param bf_mutator mutation value for bf
+ * @param xquery extended query data (can be NULL, depending on type)
+ * @param xquery_size number of bytes in xquery
+ * @param reply_block response to validate
+ * @param reply_block_size number of bytes in reply block
+ * @return characterization of result
+ */
+static enum GNUNET_BLOCK_EvaluationResult
+block_plugin_dht_evaluate (void *cls,
+ enum GNUNET_BLOCK_Type type,
+ const GNUNET_HashCode *query,
+ struct GNUNET_CONTAINER_BloomFilter **bf,
+ int32_t bf_mutator,
+ const void *xquery,
+ size_t xquery_size,
+ const void *reply_block,
+ size_t reply_block_size)
+{
+ switch (type)
+ {
+ case GNUNET_BLOCK_TYPE_DNS:
+ if (xquery_size != 0)
+ return GNUNET_BLOCK_EVALUATION_REQUEST_INVALID;
+ if (reply_block_size == 0)
+ return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
+ return GNUNET_BLOCK_EVALUATION_OK_LAST;
+ default:
+ return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED;
+ }
+}
+
+
+/**
+ * Function called to obtain the key for a block.
+ *
+ * @param cls closure
+ * @param type block type
+ * @param block block to get the key for
+ * @param block_size number of bytes in block
+ * @param key set to the key (query) for the given block
+ * @return GNUNET_OK on success, GNUNET_SYSERR if type not supported
+ * (or if extracting a key from a block of this type does not work)
+ */
+static int
+block_plugin_dht_get_key (void *cls,
+ enum GNUNET_BLOCK_Type type,
+ const void *block,
+ size_t block_size,
+ GNUNET_HashCode *key)
+{
+ if (type != GNUNET_BLOCK_TYPE_DNS)
+ return GNUNET_SYSERR;
+ return GNUNET_SYSERR;
+}
+
+/**
+ * Entry point for the plugin.
+ */
+void *
+libgnunet_plugin_block_dht_init (void *cls)
+{
+ static enum GNUNET_BLOCK_Type types[] =
+ {
+ GNUNET_BLOCK_TYPE_DNS,
+ GNUNET_BLOCK_TYPE_ANY /* end of list */
+ };
+ struct GNUNET_BLOCK_PluginFunctions *api;
+
+ api = GNUNET_malloc (sizeof (struct GNUNET_BLOCK_PluginFunctions));
+ api->evaluate = &block_plugin_dht_evaluate;
+ api->get_key = &block_plugin_dht_get_key;
+ api->types = types;
+ return api;
+}
+
+
+/**
+ * Exit point from the plugin.
+ */
+void *
+libgnunet_plugin_block_dht_done (void *cls)
+{
+ struct GNUNET_TRANSPORT_PluginFunctions *api = cls;
+
+ GNUNET_free (api);
+ return NULL;
+}
+
+/* end of plugin_block_dns.c */
Modified: gnunet/src/include/gnunet_block_lib.h
===================================================================
--- gnunet/src/include/gnunet_block_lib.h 2010-10-08 07:36:35 UTC (rev
13212)
+++ gnunet/src/include/gnunet_block_lib.h 2010-10-08 07:36:36 UTC (rev
13213)
@@ -94,8 +94,13 @@
/**
* Block for simulating malicious peers.
*/
- GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE = 9
+ GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE = 9,
#endif
+
+ /**
+ * Block for storing .gnunet-domains
+ */
+ GNUNET_BLOCK_TYPE_DNS = 10
};
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