38 #define BLOOMFILTER_K 16 44 #define REGEX_BF_SIZE 8 70 guard = va_arg (va,
const char *);
71 if (0 == strcmp (guard,
76 else if (0 == strcmp (guard,
78 bf_size = va_arg (va,
unsigned int);
122 const void *reply_block,
123 size_t reply_block_size)
127 if (NULL == reply_block)
129 if (0 != xquery_size)
133 s = (
const char *) xquery;
134 if (
'\0' != s[xquery_size - 1])
142 if (0 != xquery_size)
146 s = (
const char *) xquery;
147 if (
'\0' != s[xquery_size - 1])
153 else if (NULL != query)
158 type, query, xquery);
214 size_t xquery_size,
const void *reply_block,
215 size_t reply_block_size)
220 if (0 != xquery_size)
225 if (NULL == reply_block)
297 const void *reply_block,
298 size_t reply_block_size)
311 reply_block, reply_block_size);
321 reply_block, reply_block_size);
Block does not match query (invalid result)
Block to store a cadet regex accepting state.
Handle to an initialized block library.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_ntoh(struct GNUNET_TIME_AbsoluteNBO a)
Convert absolute time from network byte order.
enum GNUNET_BLOCK_Type * types
0-terminated array of block types supported by this plugin.
static int block_plugin_regex_get_key(void *cls, enum GNUNET_BLOCK_Type type, const void *block, size_t block_size, struct GNUNET_HashCode *key)
Function called to obtain the key for a block.
Any type of block, used as a wildcard when searching.
GNUNET_BLOCK_EvaluationFunction evaluate
Main function of a block plugin.
GNUNET_BLOCK_Type
Blocks in the datastore and the datacache must have a unique type.
int REGEX_BLOCK_get_key(const struct RegexBlock *block, size_t block_len, struct GNUNET_HashCode *key)
Obtain the key that a particular block is to be stored under.
struct GNUNET_CRYPTO_EddsaSignature signature
The signature.
static struct GNUNET_BLOCK_Group * block_plugin_regex_create_group(void *cls, enum GNUNET_BLOCK_Type type, uint32_t nonce, const void *raw_data, size_t raw_data_size, va_list va)
Create a new block group.
struct GNUNET_BLOCK_Group * GNUNET_BLOCK_GROUP_bf_create(void *cls, size_t bf_size, unsigned int bf_k, enum GNUNET_BLOCK_Type type, uint32_t nonce, const void *raw_data, size_t raw_data_size)
Create a new block group that filters duplicates using a Bloom filter.
int GNUNET_CRYPTO_eddsa_verify_(uint32_t purpose, const struct GNUNET_CRYPTO_EccSignaturePurpose *validate, const struct GNUNET_CRYPTO_EddsaSignature *sig, const struct GNUNET_CRYPTO_EddsaPublicKey *pub)
Verify EdDSA signature.
Each plugin is required to return a pointer to a struct of this type as the return value from its ent...
Block does not match xquery (valid result, not relevant for the request)
#define GNUNET_new(type)
Allocate a struct or union of the given type.
Block to announce a peer accepting a state.
size_t GNUNET_BLOCK_GROUP_compute_bloomfilter_size(unsigned int entry_count, unsigned int k)
How many bytes should a bloomfilter be if we have already seen entry_count responses? Sized so that do not have to re-size the filter too often (to keep it cheap).
static enum GNUNET_BLOCK_EvaluationResult evaluate_block_regex_accept(void *cls, enum GNUNET_BLOCK_Type type, struct GNUNET_BLOCK_Group *bg, enum GNUNET_BLOCK_EvaluationOptions eo, const struct GNUNET_HashCode *query, const void *xquery, size_t xquery_size, const void *reply_block, size_t reply_block_size)
Function called to validate a reply or a request of type GNUNET_BLOCK_TYPE_REGEX_ACCEPT.
Time for absolute time used by GNUnet, in microseconds and in network byte order. ...
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur...
static struct GNUNET_DNSSTUB_Context * ctx
Context for DNS resolution.
struct GNUNET_PeerIdentity peer
Public key of the peer signing.
header of what an ECC signature signs this must be followed by "size - 8" bytes of the actual signed ...
Valid result, but suppressed because it is a duplicate.
static enum GNUNET_BLOCK_EvaluationResult block_plugin_regex_evaluate(void *cls, struct GNUNET_BLOCK_Context *ctx, enum GNUNET_BLOCK_Type type, struct GNUNET_BLOCK_Group *bg, enum GNUNET_BLOCK_EvaluationOptions eo, const struct GNUNET_HashCode *query, const void *xquery, size_t xquery_size, const void *reply_block, size_t reply_block_size)
Function called to validate a reply or a request.
#define GNUNET_break_op(cond)
Use this for assertion violations caused by other peers (i.e.
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
static int result
Global testing status.
uint32_t size
How many bytes does this signature sign? (including this purpose header); in network byte order (!)...
struct GNUNET_CRYPTO_EccSignaturePurpose purpose
Accept blocks must be signed.
Valid result, and there may be more.
struct GNUNET_HashCode key
The key used in the DHT.
GNUNET_BLOCK_GroupCreateFunction create_group
Create a block group to process a bunch of blocks in a shared context (i.e.
GNUNET_BLOCK_EvaluationResult
Possible ways for how a block may relate to a query.
static enum GNUNET_BLOCK_EvaluationResult evaluate_block_regex(void *cls, enum GNUNET_BLOCK_Type type, struct GNUNET_BLOCK_Group *bg, enum GNUNET_BLOCK_EvaluationOptions eo, const struct GNUNET_HashCode *query, const void *xquery, size_t xquery_size, const void *reply_block, size_t reply_block_size)
Function called to validate a reply or a request of type GNUNET_BLOCK_TYPE_REGEX. ...
Specified block type not supported by this plugin.
void * libgnunet_plugin_block_regex_done(void *cls)
Exit point from the plugin.
GNUNET_BLOCK_GetKeyFunction get_key
Obtain the key for a given block (if possible).
#define GNUNET_SIGNATURE_PURPOSE_REGEX_ACCEPT
Accept state in regex DFA.
Query format does not match block type (invalid query).
common function to manipulate blocks stored by regex in the DHT
#define GNUNET_log(kind,...)
#define BLOOMFILTER_K
Number of bits we set per entry in the bloomfilter.
void * libgnunet_plugin_block_regex_init(void *cls)
Entry point for the plugin.
struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_remaining(struct GNUNET_TIME_Absolute future)
Given a timestamp in the future, how much time remains until then?
enum GNUNET_TESTBED_UnderlayLinkModelType type
the type of this model
#define REGEX_BF_SIZE
How big is the BF we use for REGEX blocks?
int REGEX_BLOCK_check(const struct RegexBlock *block, size_t size, const struct GNUNET_HashCode *query, const char *xquery)
Check if the regex block is well formed, including all edges.
Block to store a cadet regex state.
int GNUNET_BLOCK_GROUP_bf_test_and_set(struct GNUNET_BLOCK_Group *bg, const struct GNUNET_HashCode *hc)
Test if hc is contained in the Bloom filter of bg.
void * cls
Closure for all of the callbacks.
GNUNET_BLOCK_EvaluationOptions
Flags that can be set to control the evaluation.
Query is valid, no reply given.
#define GNUNET_free(ptr)
Wrapper around free.
struct GNUNET_CRYPTO_EddsaPublicKey public_key
struct GNUNET_TIME_AbsoluteNBO expiration_time
When does the signature expire?