gnunet-service-messenger_list_handles.h

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/*
   This file is part of GNUnet.
   Copyright (C) 2020 GNUnet e.V.

   GNUnet is free software: you can redistribute it and/or modify it
   under the terms of the GNU Affero General Public License as published
   by the Free Software Foundation, either version 3 of the License,
   or (at your option) any later version.

   GNUnet is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

   SPDX-License-Identifier: AGPL3.0-or-later
 */
#ifndef GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H
#define GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H

#include "platform.h"
#include "gnunet_crypto_lib.h"
#include "gnunet_container_lib.h"

struct GNUNET_MESSENGER_ListHandle
{
  struct GNUNET_MESSENGER_ListHandle *prev;
  struct GNUNET_MESSENGER_ListHandle *next;

  void *handle;
};

struct GNUNET_MESSENGER_ListHandles
{
  struct GNUNET_MESSENGER_ListHandle *head;
  struct GNUNET_MESSENGER_ListHandle *tail;
};

void
init_list_handles (struct GNUNET_MESSENGER_ListHandles *handles);

void
clear_list_handles (struct GNUNET_MESSENGER_ListHandles *handles);

void
add_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle);

int
remove_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle);

void*
find_list_handle_by_member (struct GNUNET_MESSENGER_ListHandles *handles, const struct GNUNET_HashCode *key);

#endif //GNUNET_SERVICE_MESSENGER_LIST_HANDLES_H