modified self.max_entries to be available from all the MAP types

This commit introduces the self.max_entries attribute both into Queue/Stack maps and to all those whwqo extend TableBase

Signed-off-by: Simone Magnani <[email protected]>

src/python/bcc/table.py

@@ -314,6 +314,8 @@ def __init__(self, bpf, map_id, map_fd, keytype, leaftype, name=None):
  self.flags = lib.bpf_table_flags_id(self.bpf.module, self.map_id)
  self._cbs = {}
  self._name = name
+ self.max_entries = int(lib.bpf_table_max_entries_id(self.bpf.module,
+ self.map_id))
 
  def get_fd(self):
  return self.map_fd
@@ -670,9 +672,7 @@ def print_linear_hist(self, val_type="value", section_header="Bucket ptr",
 class HashTable(TableBase):
  def __init__(self, *args, **kwargs):
  super(HashTable, self).__init__(*args, **kwargs)
- self.max_entries = int(lib.bpf_table_max_entries_id(self.bpf.module,
- self.map_id))
-
+
  def __len__(self):
  i = 0
  for k in self: i += 1
@@ -685,9 +685,7 @@ def __init__(self, *args, **kwargs):
 class ArrayBase(TableBase):
  def __init__(self, *args, **kwargs):
  super(ArrayBase, self).__init__(*args, **kwargs)
- self.max_entries = int(lib.bpf_table_max_entries_id(self.bpf.module,
- self.map_id))
-
+
  def _normalize_key(self, key):
  if isinstance(key, int):
  if key < 0: