ensure all plugins properly use BF, move shared logic to shared library

1 files changed, 2 insertions, 32 deletions

diff --git a/src/fs/plugin_block_fs.c b/src/fs/plugin_block_fs.c
index 996c06dcb..b6749b418 100644
--- a/src/fs/plugin_block_fs.c
+++ b/src/fs/plugin_block_fs.c
@@ -39,37 +39,6 @@
 
 
 /**
- * How many bytes should a bloomfilter be if we have already seen
- * entry_count responses?  Note that #GNUNET_CONSTANTS_BLOOMFILTER_K
- * gives us the number of bits set per entry.  Furthermore, we should
- * not re-size the filter too often (to keep it cheap).
- *
- * Since other peers will also add entries but not resize the filter,
- * we should generally pick a slightly larger size than what the
- * strict math would suggest.
- *
- * @param entry_count expected number of entries in the Bloom filter
- * @return must be a power of two and smaller or equal to 2^15.
- */
-static size_t
-compute_bloomfilter_size (unsigned int entry_count)
-{
-  size_t size;
-  unsigned int ideal = (entry_count * BLOOMFILTER_K) / 4;
-  uint16_t max = 1 << 15;
-
-  if (entry_count > max)
-    return max;
-  size = 8;
-  while ((size < max) && (size < ideal))
-    size *= 2;
-  if (size > max)
-    return max;
-  return size;
-}
-
-
-/**
  * Create a new block group.
  *
  * @param ctx block context in which the block group is created
@@ -111,7 +80,8 @@ block_plugin_fs_create_group (void *cls,
     }
     else
     {
-      size = compute_bloomfilter_size (va_arg (va, unsigned int));
+      size = GNUNET_BLOCK_GROUP_compute_bloomfilter_size (va_arg (va, unsigned int),
+                                                          BLOOMFILTER_K);
     }
     if (0 == size)
       size = raw_data_size; /* not for us to determine, use what we got! */