int GNUNET_CONTAINER_bloomfilter_or (struct GNUNET_CONTAINER_BloomFilter *bf,
const char *data, size_t size);
+/**
+ * Or the entries of the given raw data array with the
+ * data of the given bloom filter. Assumes that
+ * the size of the data array and the current filter
+ * match.
+ *
+ * @param bf the filter
+ * @param to_or the bloomfilter to or-in
+ * @param size number of bytes in data
+ */
+int
+GNUNET_CONTAINER_bloomfilter_or2 (struct GNUNET_CONTAINER_BloomFilter *bf,
+ const struct GNUNET_CONTAINER_BloomFilter *to_or,
+ size_t size);
+
/**
* Resize a bloom filter. Note that this operation
* is pretty costly. Essentially, the bloom filter
size_t data_len);
+/**
+ * Extend metadata. Merges the meta data from the second argument
+ * into the first, discarding duplicate key-value pairs.
+ *
+ * @param md metadata to extend
+ * @param in metadata to merge
+ */
+void
+GNUNET_CONTAINER_meta_data_merge (struct GNUNET_CONTAINER_MetaData *md,
+ const struct GNUNET_CONTAINER_MetaData *in);
+
+
/**
* Remove an item.
*
size_t data_len);
+/**
+ * Remove all items in the container.
+ *
+ * @param md metadata to manipulate
+ */
+void
+GNUNET_CONTAINER_meta_data_clear (struct GNUNET_CONTAINER_MetaData *md);
+
+
/**
* Add the current time as the publication date
* to the meta-data.
GNUNET_CONTAINER_MetaData
*md, unsigned char **thumb);
-/**
- * Extract meta-data from a file.
- *
- * @param md metadata to set
- * @param filename name of file to inspect
- * @param extractors plugins to use
- * @return GNUNET_SYSERR on error, otherwise the number
- * of meta-data items obtained
- */
-int
-GNUNET_CONTAINER_meta_data_extract_from_file (struct
- GNUNET_CONTAINER_MetaData
- *md, const char *filename,
- struct EXTRACTOR_PluginList *
- extractors);
/**
*GNUNET_CONTAINER_meta_data_deserialize (const char *input,
size_t size);
-/**
- * Does the meta-data claim that this is a directory?
- * Checks if the mime-type is that of a GNUnet directory.
- *
- * @param md metadata to inspect
- * @return GNUNET_YES if it is, GNUNET_NO if it is not, GNUNET_SYSERR if
- * we have no mime-type information (treat as 'GNUNET_NO')
- */
-int GNUNET_CONTAINER_meta_data_test_for_directory (const struct
- GNUNET_CONTAINER_MetaData
- *md);
-
/* ******************************* HashMap **************************** */
* GNUNET_NO if not.
*/
typedef int (*GNUNET_CONTAINER_HashMapIterator) (void *cls,
- const GNUNET_HashCode * key,
+ const GNUNET_HashCode * key,
void *value);
void *iterator_cls);
+/**
+ * Return a *uniform* random element from the heap. Choose a random
+ * number between 0 and heap size and then walk directly to it.
+ * This cost can be between 0 and n, amortized cost of logN.
+ *
+ * @param heap heap to choose random element from
+ * @param max how many nodes from the heap to choose from
+ *
+ * @return data stored at the chosen random node,
+ * NULL if the heap is empty.
+ *
+ */
+void *
+GNUNET_CONTAINER_heap_get_random (struct GNUNET_CONTAINER_Heap *heap, uint32_t max);
+
/**
* Perform a random walk of the tree. The walk is biased
* towards elements closer to the root of the tree (since