completed big block refactoring in preparation for SET-BLOCK integration

[oweals/gnunet.git] / src / block / plugin_block_test.c

diff --git a/src/block/plugin_block_test.c b/src/block/plugin_block_test.c
index b692d6230efe0de4d33178d39cb2895c335a8c3b..615f1571bc7fc46962c7e4c38bbdf239ef9c0a9f 100644 (file)
--- a/src/block/plugin_block_test.c
+++ b/src/block/plugin_block_test.c
@@ -27,7 +27,7 @@
 
 #include "platform.h"
 #include "gnunet_block_plugin.h"
-
+#include "gnunet_block_group_lib.h"
 
 /**
  * Number of bits we set per entry in the bloomfilter.
@@ -35,16 +35,51 @@
  */
 #define BLOOMFILTER_K 16
 
+/**
+ * How big is the BF we use for DHT blocks?
+ */
+#define TEST_BF_SIZE 8
+
+
+/**
+ * Create a new block group.
+ *
+ * @param ctx block context in which the block group is created
+ * @param type type of the block for which we are creating the group
+ * @param nonce random value used to seed the group creation
+ * @param raw_data optional serialized prior state of the group, NULL if unavailable/fresh
+ * @param raw_data_size number of bytes in @a raw_data, 0 if unavailable/fresh
+ * @param va variable arguments specific to @a type
+ * @return block group handle, NULL if block groups are not supported
+ *         by this @a type of block (this is not an error)
+ */
+static struct GNUNET_BLOCK_Group *
+block_plugin_test_create_group (void *cls,
+                                enum GNUNET_BLOCK_Type type,
+                                uint32_t nonce,
+                                const void *raw_data,
+                                size_t raw_data_size,
+                                va_list va)
+{
+  return GNUNET_BLOCK_GROUP_bf_create (cls,
+                                       TEST_BF_SIZE,
+                                       BLOOMFILTER_K,
+                                       type,
+                                       nonce,
+                                       raw_data,
+                                       raw_data_size);
+}
+
+
 /**
  * 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 group group to check against
  * @param eo control flags
  * @param query original query (hash)
- * @param bf pointer to bloom filter associated with query; possibly updated (!)
- * @param bf_mutator mutation value for @a bf
  * @param xquery extrended query data (can be NULL, depending on type)
  * @param xquery_size number of bytes in @a xquery
  * @param reply_block response to validate
@@ -54,20 +89,21 @@
 static enum GNUNET_BLOCK_EvaluationResult
 block_plugin_test_evaluate (void *cls,
                             enum GNUNET_BLOCK_Type type,
+                            struct GNUNET_BLOCK_Group *group,
                             enum GNUNET_BLOCK_EvaluationOptions eo,
                             const struct 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)
 {
   struct GNUNET_HashCode chash;
-  struct GNUNET_HashCode mhash;
 
   if ( GNUNET_BLOCK_TYPE_TEST != type)
+  {
+    GNUNET_break (0);
     return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED;
+  }
   if (0 != xquery_size)
   {
     GNUNET_break_op (0);
@@ -75,22 +111,13 @@ block_plugin_test_evaluate (void *cls,
   }
   if (NULL == reply_block)
     return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
-
-  if (NULL != bf)
-  {
-    GNUNET_CRYPTO_hash (reply_block, reply_block_size, &chash);
-    GNUNET_BLOCK_mingle_hash (&chash, bf_mutator, &mhash);
-    if (NULL != *bf)
-    {
-      if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (*bf, &mhash))
-        return GNUNET_BLOCK_EVALUATION_OK_DUPLICATE;
-    }
-    else
-    {
-      *bf = GNUNET_CONTAINER_bloomfilter_init (NULL, 8, BLOOMFILTER_K);
-    }
-    GNUNET_CONTAINER_bloomfilter_add (*bf, &mhash);
-  }
+  GNUNET_CRYPTO_hash (reply_block,
+                      reply_block_size,
+                      &chash);
+  if (GNUNET_YES ==
+      GNUNET_BLOCK_GROUP_bf_test_and_set (group,
+                                          &chash))
+    return GNUNET_BLOCK_EVALUATION_OK_DUPLICATE;
   return GNUNET_BLOCK_EVALUATION_OK_MORE;
 }
 
@@ -107,9 +134,11 @@ block_plugin_test_evaluate (void *cls,
  *         (or if extracting a key from a block of this type does not work)
  */
 static int
-block_plugin_test_get_key (void *cls, enum GNUNET_BLOCK_Type type,
-                           const void *block, size_t block_size,
-                           struct GNUNET_HashCode * key)
+block_plugin_test_get_key (void *cls,
+                           enum GNUNET_BLOCK_Type type,
+                           const void *block,
+                           size_t block_size,
+                           struct GNUNET_HashCode *key)
 {
   /* always fails since there is no fixed relationship between
    * keys and values for test values */
@@ -136,6 +165,7 @@ libgnunet_plugin_block_test_init (void *cls)
   api = GNUNET_new (struct GNUNET_BLOCK_PluginFunctions);
   api->evaluate = &block_plugin_test_evaluate;
   api->get_key = &block_plugin_test_get_key;
+  api->create_group = &block_plugin_test_create_group;
   api->types = types;
   return api;
 }