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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2020 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @author Tobias Frisch
22 * @file src/messenger/gnunet-service-messenger_util.h
23 * @brief GNUnet MESSENGER service
24 */
25
26#ifndef GNUNET_SERVICE_MESSENGER_UTIL_H
27#define GNUNET_SERVICE_MESSENGER_UTIL_H
28
29#include "platform.h"
30#include "gnunet_cadet_service.h"
31#include "gnunet_container_lib.h"
32#include "gnunet_crypto_lib.h"
33
34/**
35 * Starts an urgent task to close a CADET channel asynchronously.
36 *
37 * @param channel Channel
38 */
39void
40delayed_disconnect_channel (struct GNUNET_CADET_Channel *channel);
41
42/**
43 * Tries to generate an unused member id and store it into the <i>id</i> parameter. A map containing all currently
44 * used member ids is used to check against.
45 *
46 * @param[out] id New member id
47 * @param members Map of member ids
48 * @return GNUNET_YES on success, GNUNET_NO on failure
49 */
50int
51generate_free_member_id (struct GNUNET_ShortHashCode *id, const struct GNUNET_CONTAINER_MultiShortmap *members);
52
53#endif //GNUNET_SERVICE_MESSENGER_UTIL_H