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/*
This file is part of GNUnet.
Copyright (C) 2022 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
*/
/*
* @author Tobias Frisch
* @file gnunet_chat_lobby.c
*/
#include "gnunet_chat_lobby.h"
#include "gnunet_chat_handle.h"
#include "gnunet_chat_lobby_intern.c"
struct GNUNET_CHAT_Lobby*
lobby_create (struct GNUNET_CHAT_Handle *handle)
{
GNUNET_assert(handle);
struct GNUNET_CHAT_Lobby *lobby = GNUNET_new(struct GNUNET_CHAT_Lobby);
lobby->handle = handle;
lobby->context = NULL;
lobby->uri = NULL;
lobby->op_create = NULL;
lobby->op_delete = NULL;
lobby->query = NULL;
lobby->expiration = GNUNET_TIME_absolute_get_forever_();
lobby->callback = NULL;
lobby->cls = NULL;
return lobby;
}
void
lobby_destroy (struct GNUNET_CHAT_Lobby *lobby)
{
GNUNET_assert(lobby);
if (lobby->op_create)
GNUNET_IDENTITY_cancel(lobby->op_create);
if (lobby->op_delete)
GNUNET_IDENTITY_cancel(lobby->op_delete);
if (lobby->query)
GNUNET_NAMESTORE_cancel(lobby->query);
if (lobby->uri)
uri_destroy(lobby->uri);
GNUNET_free(lobby);
}
void
lobby_open (struct GNUNET_CHAT_Lobby *lobby,
struct GNUNET_TIME_Relative delay,
GNUNET_CHAT_LobbyCallback callback,
void *cls)
{
GNUNET_assert(lobby);
char *name;
lobby->expiration = GNUNET_TIME_relative_to_absolute(delay);
lobby->callback = callback;
lobby->cls = cls;
if (lobby->op_create)
{
GNUNET_IDENTITY_cancel(lobby->op_create);
goto open_zone;
}
struct GNUNET_HashCode key;
GNUNET_CRYPTO_random_block(GNUNET_CRYPTO_QUALITY_WEAK, &key, sizeof(key));
struct GNUNET_MESSENGER_Room *room = GNUNET_MESSENGER_open_room(
lobby->handle->messenger,
&key
);
if (!room)
return;
lobby->context = context_create_from_room(lobby->handle, room);
handle_send_room_name(lobby->handle, room);
if (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put(
lobby->handle->contexts, &key, lobby->context,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
{
context_destroy(lobby->context);
lobby->context = NULL;
GNUNET_MESSENGER_close_room(room);
return;
}
open_zone:
util_lobby_name(&key, &name);
lobby->op_create = GNUNET_IDENTITY_create(
lobby->handle->identity,
name,
NULL,
GNUNET_IDENTITY_TYPE_EDDSA,
cont_lobby_identity_create,
lobby
);
GNUNET_free(name);
}
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