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-rw-r--r--src/block/plugin_block_test.c99
1 files changed, 74 insertions, 25 deletions
diff --git a/src/block/plugin_block_test.c b/src/block/plugin_block_test.c
index b692d6230..e359acd7f 100644
--- a/src/block/plugin_block_test.c
+++ b/src/block/plugin_block_test.c
@@ -27,7 +27,7 @@
27 27
28#include "platform.h" 28#include "platform.h"
29#include "gnunet_block_plugin.h" 29#include "gnunet_block_plugin.h"
30 30#include "gnunet_block_group_lib.h"
31 31
32/** 32/**
33 * Number of bits we set per entry in the bloomfilter. 33 * Number of bits we set per entry in the bloomfilter.
@@ -36,15 +36,68 @@
36#define BLOOMFILTER_K 16 36#define BLOOMFILTER_K 16
37 37
38/** 38/**
39 * How big is the BF we use for DHT blocks?
40 */
41#define TEST_BF_SIZE 8
42
43
44/**
45 * Create a new block group.
46 *
47 * @param ctx block context in which the block group is created
48 * @param type type of the block for which we are creating the group
49 * @param nonce random value used to seed the group creation
50 * @param raw_data optional serialized prior state of the group, NULL if unavailable/fresh
51 * @param raw_data_size number of bytes in @a raw_data, 0 if unavailable/fresh
52 * @param va variable arguments specific to @a type
53 * @return block group handle, NULL if block groups are not supported
54 * by this @a type of block (this is not an error)
55 */
56static struct GNUNET_BLOCK_Group *
57block_plugin_test_create_group (void *cls,
58 enum GNUNET_BLOCK_Type type,
59 uint32_t nonce,
60 const void *raw_data,
61 size_t raw_data_size,
62 va_list va)
63{
64 unsigned int bf_size;
65 const char *guard;
66
67 guard = va_arg (va, const char *);
68 if (0 == strcmp (guard,
69 "seen-set-size"))
70 bf_size = GNUNET_BLOCK_GROUP_compute_bloomfilter_size (va_arg (va, unsigned int),
71 BLOOMFILTER_K);
72 else if (0 == strcmp (guard,
73 "filter-size"))
74 bf_size = va_arg (va, unsigned int);
75 else
76 {
77 GNUNET_break (0);
78 bf_size = TEST_BF_SIZE;
79 }
80 GNUNET_break (NULL == va_arg (va, const char *));
81 return GNUNET_BLOCK_GROUP_bf_create (cls,
82 bf_size,
83 BLOOMFILTER_K,
84 type,
85 nonce,
86 raw_data,
87 raw_data_size);
88}
89
90
91/**
39 * Function called to validate a reply or a request. For 92 * Function called to validate a reply or a request. For
40 * request evaluation, simply pass "NULL" for the reply_block. 93 * request evaluation, simply pass "NULL" for the reply_block.
41 * 94 *
42 * @param cls closure 95 * @param cls closure
96 * @param ctx block context
43 * @param type block type 97 * @param type block type
98 * @param group group to check against
44 * @param eo control flags 99 * @param eo control flags
45 * @param query original query (hash) 100 * @param query original query (hash)
46 * @param bf pointer to bloom filter associated with query; possibly updated (!)
47 * @param bf_mutator mutation value for @a bf
48 * @param xquery extrended query data (can be NULL, depending on type) 101 * @param xquery extrended query data (can be NULL, depending on type)
49 * @param xquery_size number of bytes in @a xquery 102 * @param xquery_size number of bytes in @a xquery
50 * @param reply_block response to validate 103 * @param reply_block response to validate
@@ -53,21 +106,23 @@
53 */ 106 */
54static enum GNUNET_BLOCK_EvaluationResult 107static enum GNUNET_BLOCK_EvaluationResult
55block_plugin_test_evaluate (void *cls, 108block_plugin_test_evaluate (void *cls,
109 struct GNUNET_BLOCK_Context *ctx,
56 enum GNUNET_BLOCK_Type type, 110 enum GNUNET_BLOCK_Type type,
111 struct GNUNET_BLOCK_Group *group,
57 enum GNUNET_BLOCK_EvaluationOptions eo, 112 enum GNUNET_BLOCK_EvaluationOptions eo,
58 const struct GNUNET_HashCode *query, 113 const struct GNUNET_HashCode *query,
59 struct GNUNET_CONTAINER_BloomFilter **bf,
60 int32_t bf_mutator,
61 const void *xquery, 114 const void *xquery,
62 size_t xquery_size, 115 size_t xquery_size,
63 const void *reply_block, 116 const void *reply_block,
64 size_t reply_block_size) 117 size_t reply_block_size)
65{ 118{
66 struct GNUNET_HashCode chash; 119 struct GNUNET_HashCode chash;
67 struct GNUNET_HashCode mhash;
68 120
69 if ( GNUNET_BLOCK_TYPE_TEST != type) 121 if ( GNUNET_BLOCK_TYPE_TEST != type)
122 {
123 GNUNET_break (0);
70 return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED; 124 return GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED;
125 }
71 if (0 != xquery_size) 126 if (0 != xquery_size)
72 { 127 {
73 GNUNET_break_op (0); 128 GNUNET_break_op (0);
@@ -75,22 +130,13 @@ block_plugin_test_evaluate (void *cls,
75 } 130 }
76 if (NULL == reply_block) 131 if (NULL == reply_block)
77 return GNUNET_BLOCK_EVALUATION_REQUEST_VALID; 132 return GNUNET_BLOCK_EVALUATION_REQUEST_VALID;
78 133 GNUNET_CRYPTO_hash (reply_block,
79 if (NULL != bf) 134 reply_block_size,
80 { 135 &chash);
81 GNUNET_CRYPTO_hash (reply_block, reply_block_size, &chash); 136 if (GNUNET_YES ==
82 GNUNET_BLOCK_mingle_hash (&chash, bf_mutator, &mhash); 137 GNUNET_BLOCK_GROUP_bf_test_and_set (group,
83 if (NULL != *bf) 138 &chash))
84 { 139 return GNUNET_BLOCK_EVALUATION_OK_DUPLICATE;
85 if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (*bf, &mhash))
86 return GNUNET_BLOCK_EVALUATION_OK_DUPLICATE;
87 }
88 else
89 {
90 *bf = GNUNET_CONTAINER_bloomfilter_init (NULL, 8, BLOOMFILTER_K);
91 }
92 GNUNET_CONTAINER_bloomfilter_add (*bf, &mhash);
93 }
94 return GNUNET_BLOCK_EVALUATION_OK_MORE; 140 return GNUNET_BLOCK_EVALUATION_OK_MORE;
95} 141}
96 142
@@ -107,9 +153,11 @@ block_plugin_test_evaluate (void *cls,
107 * (or if extracting a key from a block of this type does not work) 153 * (or if extracting a key from a block of this type does not work)
108 */ 154 */
109static int 155static int
110block_plugin_test_get_key (void *cls, enum GNUNET_BLOCK_Type type, 156block_plugin_test_get_key (void *cls,
111 const void *block, size_t block_size, 157 enum GNUNET_BLOCK_Type type,
112 struct GNUNET_HashCode * key) 158 const void *block,
159 size_t block_size,
160 struct GNUNET_HashCode *key)
113{ 161{
114 /* always fails since there is no fixed relationship between 162 /* always fails since there is no fixed relationship between
115 * keys and values for test values */ 163 * keys and values for test values */
@@ -136,6 +184,7 @@ libgnunet_plugin_block_test_init (void *cls)
136 api = GNUNET_new (struct GNUNET_BLOCK_PluginFunctions); 184 api = GNUNET_new (struct GNUNET_BLOCK_PluginFunctions);
137 api->evaluate = &block_plugin_test_evaluate; 185 api->evaluate = &block_plugin_test_evaluate;
138 api->get_key = &block_plugin_test_get_key; 186 api->get_key = &block_plugin_test_get_key;
187 api->create_group = &block_plugin_test_create_group;
139 api->types = types; 188 api->types = types;
140 return api; 189 return api;
141} 190}