/**
 * Delete the given value, removing it from the plugin's data
 * structures.
 *
 * @param plugin the plugin
 * @param value value to delete
 */
static void
delete_value (struct Plugin *plugin,
	      struct Value *value)
{
  GNUNET_assert (GNUNET_YES ==
		 GNUNET_CONTAINER_multihashmap_remove (plugin->keyvalue,
						       &value->key,
						       value));
  GNUNET_assert (value == GNUNET_CONTAINER_heap_remove_node (value->expire_heap));
  GNUNET_assert (value == GNUNET_CONTAINER_heap_remove_node (value->replication_heap));
  if (0 == value->anonymity)
  {
    struct ZeroAnonByType *zabt;

    for (zabt = plugin->zero_head; NULL != zabt; zabt = zabt->next)
      if (zabt->type == value->type)
	break;
    GNUNET_assert (NULL != zabt);
    zabt->array[value->zero_anon_offset] = zabt->array[--zabt->array_pos];
    zabt->array[value->zero_anon_offset]->zero_anon_offset = value->zero_anon_offset;
    if (0 == zabt->array_pos)
    {
      GNUNET_array_grow (zabt->array,
			 zabt->array_size,
			 0);
      GNUNET_CONTAINER_DLL_remove (plugin->zero_head,
				   plugin->zero_tail,
				   zabt);
      GNUNET_free (zabt);
    }
  }
  plugin->size -= value->size;
  GNUNET_free (value);
}
/**
 * Notify the plan about a request being done; destroy all entries
 * associated with this request.
 *
 * @param pr request that is done
 */
void
GSF_plan_notify_request_done_ (struct GSF_PendingRequest *pr)
{
  struct GSF_RequestPlan *rp;
  struct GSF_PendingRequestData *prd;
  struct GSF_PendingRequestPlanBijection *bi;

  prd = GSF_pending_request_get_data_ (pr);
  while (NULL != (bi = prd->pr_head))
  {
    rp = bi->rp;
    GNUNET_CONTAINER_MDLL_remove (PR, prd->pr_head, prd->pr_tail, bi);
    GNUNET_CONTAINER_MDLL_remove (PE, rp->pe_head, rp->pe_tail, bi);
    if (NULL == rp->pe_head)
    {
      GNUNET_CONTAINER_heap_remove_node (rp->hn);
      plan_count--;
      GNUNET_break (GNUNET_YES ==
                    GNUNET_CONTAINER_multihashmap_remove (rp->pp->plan_map,
							  &GSF_pending_request_get_data_
							  (bi->pr)->query,
                                                          rp));
      GNUNET_free (rp);
    }
    GNUNET_free (bi);
  }
  GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# query plan entries"),
                         plan_count, GNUNET_NO);
}
/**
 * Remove the oldest entry from the DHT routing table.  Must only
 * be called if it is known that there is at least one entry
 * in the heap and hashmap.
 */
static void
expire_oldest_entry ()
{
  struct RecentRequest *recent_req;

  GNUNET_STATISTICS_update (GDS_stats,
			    gettext_noop
			    ("# Entries removed from routing table"), 1,
			    GNUNET_NO);
  recent_req = GNUNET_CONTAINER_heap_peek (recent_heap);
  GNUNET_assert (recent_req != NULL);
  GNUNET_CONTAINER_heap_remove_node (recent_req->heap_node);
  GNUNET_CONTAINER_bloomfilter_free (recent_req->reply_bf);
  GNUNET_assert (GNUNET_YES ==
		 GNUNET_CONTAINER_multihashmap_remove (recent_map, 
						       &recent_req->key, 
						       recent_req));
  GNUNET_free (recent_req);
}
/**
 * Iterator over hash map entries that frees all entries
 * associated with the given client.
 *
 * @param cls client to search for in source routes
 * @param key current key code (ignored)
 * @param value value in the hash map, a ClientQueryRecord
 * @return #GNUNET_YES (we should continue to iterate)
 */
static int
remove_client_records (void *cls, const struct GNUNET_HashCode * key, void *value)
{
  struct ClientList *client = cls;
  struct ClientQueryRecord *record = value;

  if (record->client != client)
    return GNUNET_YES;
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
              "Removing client %p's record for key %s\n", client,
              GNUNET_h2s (key));
  GNUNET_assert (GNUNET_YES ==
                 GNUNET_CONTAINER_multihashmap_remove (forward_map, key,
                                                       record));
  if (NULL != record->hnode)
    GNUNET_CONTAINER_heap_remove_node (record->hnode);
  GNUNET_array_grow (record->seen_replies, record->seen_replies_count, 0);
  GNUNET_free (record);
  return GNUNET_YES;
}
Beispiel #5
0
static int
check ()
{
  struct GNUNET_CONTAINER_Heap *myHeap;
  struct GNUNET_CONTAINER_HeapNode *n1;
  struct GNUNET_CONTAINER_HeapNode *n2;
  struct GNUNET_CONTAINER_HeapNode *n3;
  struct GNUNET_CONTAINER_HeapNode *n4;
  struct GNUNET_CONTAINER_HeapNode *n5;
  struct GNUNET_CONTAINER_HeapNode *n6;
  struct GNUNET_CONTAINER_HeapNode *n7;
  struct GNUNET_CONTAINER_HeapNode *n8;
  const char *r;

  myHeap = GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);

  // GNUNET_CONTAINER_heap_remove_root heap empty, taking if-branch
  n1 = GNUNET_CONTAINER_heap_remove_root (myHeap);
  GNUNET_assert (NULL == n1);

  // GNUNET_CONTAINER_heap_peek heap empty, taking if-branch
  n1 = GNUNET_CONTAINER_heap_peek (myHeap);
  GNUNET_assert (NULL == n1);

  // GNUNET_CONTAINER_heap_walk_get_next: heap empty, taking if-branch
  n1 = GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_assert (NULL == n1);

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "11", 11);
  GNUNET_assert (NULL != n1);


  // GNUNET_CONTAINER_heap_peek not empty, taking if-branch
  n2 = NULL;
  n2 = GNUNET_CONTAINER_heap_peek (myHeap);
  GNUNET_assert (NULL != n2);

  // GNUNET_CONTAINER_heap_walk_get_next: 1 element
  n1 = NULL;
  n1 = GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_assert (NULL != n1);

  GNUNET_CONTAINER_heap_iterate (myHeap, &iterator_callback, NULL);
  GNUNET_assert (1 == GNUNET_CONTAINER_heap_get_size (myHeap));
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "78", 78);
  GNUNET_assert (2 == GNUNET_CONTAINER_heap_get_size (myHeap));
  GNUNET_assert (0 == strcmp ("78", GNUNET_CONTAINER_heap_remove_node (n2)));
  GNUNET_assert (1 == GNUNET_CONTAINER_heap_get_size (myHeap));
  GNUNET_CONTAINER_heap_iterate (myHeap, &iterator_callback, NULL);

  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "15", 5);
  GNUNET_CONTAINER_heap_update_cost (myHeap, n3, 15);
  GNUNET_assert (2 == GNUNET_CONTAINER_heap_get_size (myHeap));
  GNUNET_CONTAINER_heap_iterate (myHeap, &iterator_callback, NULL);

  n4 = GNUNET_CONTAINER_heap_insert (myHeap, "50", 50);
  GNUNET_CONTAINER_heap_update_cost (myHeap, n4, 50);
  GNUNET_assert (3 == GNUNET_CONTAINER_heap_get_size (myHeap));
  GNUNET_CONTAINER_heap_iterate (myHeap, &iterator_callback, NULL);

  n5 = GNUNET_CONTAINER_heap_insert (myHeap, "100", 100);
  n6 = GNUNET_CONTAINER_heap_insert (myHeap, "30/200", 30);
  GNUNET_assert (5 == GNUNET_CONTAINER_heap_get_size (myHeap));
  GNUNET_CONTAINER_heap_remove_node (n5);
  r = GNUNET_CONTAINER_heap_remove_root (myHeap);       /* n1 */
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("11", r));
  GNUNET_CONTAINER_heap_update_cost (myHeap, n6, 200);
  GNUNET_CONTAINER_heap_remove_node (n3);
  r = GNUNET_CONTAINER_heap_remove_root (myHeap);       /* n4 */
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("50", r));
  r = GNUNET_CONTAINER_heap_remove_root (myHeap);       /* n6 */
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("30/200", r));
  GNUNET_assert (0 == GNUNET_CONTAINER_heap_get_size (myHeap));

  GNUNET_CONTAINER_heap_destroy (myHeap);

  // My additions to a complete testcase
  // Testing a GNUNET_CONTAINER_HEAP_ORDER_MIN
  // Testing remove_node

  myHeap = GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  GNUNET_CONTAINER_heap_update_cost (myHeap, n1, 15);

  r = GNUNET_CONTAINER_heap_remove_node (n1);
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("10", r));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);

  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  r = GNUNET_CONTAINER_heap_remove_node (n2);
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("20", r));
  r = GNUNET_CONTAINER_heap_remove_node (n1);
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("10", r));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 10);

  GNUNET_CONTAINER_heap_remove_node (n2);
  GNUNET_CONTAINER_heap_remove_node (n1);
  r = GNUNET_CONTAINER_heap_remove_root (myHeap);
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("30", r));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 10);

  GNUNET_CONTAINER_heap_remove_node (n2);
  GNUNET_CONTAINER_heap_remove_node (n1);
  r = GNUNET_CONTAINER_heap_remove_node (n3);
  GNUNET_assert (NULL != r);
  GNUNET_assert (0 == strcmp ("30", r));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 20);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 30);

  GNUNET_assert (0 == nstrcmp ("20", GNUNET_CONTAINER_heap_remove_node (n2)));
  GNUNET_assert (0 ==
                 nstrcmp ("10", GNUNET_CONTAINER_heap_remove_root (myHeap)));
  GNUNET_assert (0 ==
                 nstrcmp ("30", GNUNET_CONTAINER_heap_remove_root (myHeap)));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 20);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 30);
  n4 = GNUNET_CONTAINER_heap_insert (myHeap, "40", 40);
  n5 = GNUNET_CONTAINER_heap_insert (myHeap, "50", 50);
  n6 = GNUNET_CONTAINER_heap_insert (myHeap, "60", 60);

  // Inserting nodes deeper in the tree with lower costs
  n7 = GNUNET_CONTAINER_heap_insert (myHeap, "70", 10);
  n8 = GNUNET_CONTAINER_heap_insert (myHeap, "80", 10);

  GNUNET_assert (0 == nstrcmp ("30", GNUNET_CONTAINER_heap_remove_node (n3)));

  // Cleaning up...
  GNUNET_assert (0 == nstrcmp ("60", GNUNET_CONTAINER_heap_remove_node (n6)));
  GNUNET_assert (0 == nstrcmp ("50", GNUNET_CONTAINER_heap_remove_node (n5)));

  // Testing heap_walk_get_next
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);;
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);

  GNUNET_assert (0 == nstrcmp ("10", GNUNET_CONTAINER_heap_remove_node (n1)));
  GNUNET_assert (0 == nstrcmp ("20", GNUNET_CONTAINER_heap_remove_node (n2)));
  GNUNET_assert (0 == nstrcmp ("40", GNUNET_CONTAINER_heap_remove_node (n4)));
  GNUNET_assert (0 == nstrcmp ("70", GNUNET_CONTAINER_heap_remove_node (n7)));
  GNUNET_assert (0 == nstrcmp ("80", GNUNET_CONTAINER_heap_remove_node (n8)));

  // End Testing remove_node

  // Testing a GNUNET_CONTAINER_HEAP_ORDER_MAX
  GNUNET_CONTAINER_heap_destroy (myHeap);

  myHeap = GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MAX);

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  GNUNET_CONTAINER_heap_update_cost (myHeap, n1, 15);

  GNUNET_assert (0 == nstrcmp ("10", GNUNET_CONTAINER_heap_remove_node (n1)));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);

  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_assert (0 == nstrcmp ("20", GNUNET_CONTAINER_heap_remove_node (n2)));
  GNUNET_assert (0 == nstrcmp ("10", GNUNET_CONTAINER_heap_remove_node (n1)));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 10);

  GNUNET_CONTAINER_heap_remove_node (n2);
  GNUNET_CONTAINER_heap_remove_node (n1);
  GNUNET_assert (0 ==
                 nstrcmp ("30", GNUNET_CONTAINER_heap_remove_root (myHeap)));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 10);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 10);

  GNUNET_CONTAINER_heap_remove_node (n2);
  GNUNET_CONTAINER_heap_remove_node (n1);
  GNUNET_assert (0 == nstrcmp ("30", GNUNET_CONTAINER_heap_remove_node (n3)));

  n1 = GNUNET_CONTAINER_heap_insert (myHeap, "10", 10);
  n2 = GNUNET_CONTAINER_heap_insert (myHeap, "20", 20);
  n3 = GNUNET_CONTAINER_heap_insert (myHeap, "30", 30);
  n4 = GNUNET_CONTAINER_heap_insert (myHeap, "40", 40);
  n5 = GNUNET_CONTAINER_heap_insert (myHeap, "50", 50);
  n6 = GNUNET_CONTAINER_heap_insert (myHeap, "60", 60);

  // Inserting nodes deeper in the tree with lower costs
  n7 = GNUNET_CONTAINER_heap_insert (myHeap, "70", 10);
  n8 = GNUNET_CONTAINER_heap_insert (myHeap, "80", 10);

  GNUNET_assert (0 == nstrcmp ("30", GNUNET_CONTAINER_heap_remove_node (n3)));

  // Cleaning up...
  GNUNET_assert (0 == nstrcmp ("60", GNUNET_CONTAINER_heap_remove_node (n6)));
  GNUNET_assert (0 == nstrcmp ("50", GNUNET_CONTAINER_heap_remove_node (n5)));

  // Testing heap_walk_get_next
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);;
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);
  GNUNET_CONTAINER_heap_walk_get_next (myHeap);

  GNUNET_assert (0 == nstrcmp ("10", GNUNET_CONTAINER_heap_remove_node (n1)));
  GNUNET_assert (0 == nstrcmp ("20", GNUNET_CONTAINER_heap_remove_node (n2)));
  GNUNET_assert (0 == nstrcmp ("40", GNUNET_CONTAINER_heap_remove_node (n4)));
  GNUNET_assert (0 == nstrcmp ("70", GNUNET_CONTAINER_heap_remove_node (n7)));
  GNUNET_assert (0 == nstrcmp ("80", GNUNET_CONTAINER_heap_remove_node (n8)));

  // End Testing remove_node

  GNUNET_CONTAINER_heap_destroy (myHeap);

  return 0;
}