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/*
This file is part of GNUnet
Copyright (C) 2023 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
*/
/**
* @file messenger_api_cmd_join_room.c
* @brief cmd to join a room in a messenger service.
* @author Tobias Frisch
*/
#include "gnunet_util_lib.h"
#include "gnunet_core_testing_lib.h"
#include "gnunet_transport_testing_ng_lib.h"
#include "gnunet_messenger_service.h"
#include "messenger-testing-cmds.h"
struct GNUNET_MESSENGER_JoinRoomState
{
char *service_label;
char *room_key;
struct GNUNET_MESSENGER_Room *room;
};
static void
join_room_run (void *cls,
struct GNUNET_TESTING_Interpreter *is)
{
struct GNUNET_MESSENGER_JoinRoomState *jrs = cls;
struct GNUNET_HashCode key;
if (jrs->room_key)
GNUNET_CRYPTO_hash(jrs->room_key, strlen(jrs->room_key), &key);
else
memset(&key, 0, sizeof(key));
const struct GNUNET_TESTING_Command *service_cmd;
service_cmd = GNUNET_TESTING_interpreter_lookup_command (is,
jrs->service_label);
struct GNUNET_MESSENGER_StartServiceState *sss;
GNUNET_MESSENGER_get_trait_state (service_cmd, &sss);
unsigned int peer_index;
unsigned int stage_index;
struct GNUNET_MESSENGER_RoomState *rs;
rs = rs = GNUNET_CONTAINER_multihashmap_get (sss->rooms, &key);
if (rs)
goto skip_room_state;
rs = GNUNET_MESSENGER_create_room_state(sss->topology);
if ((!rs) && (GNUNET_OK != GNUNET_CONTAINER_multihashmap_put (sss->rooms,
&key,
rs,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST)))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Testing library failed to create a room state with key '%s'\n",
jrs->room_key);
GNUNET_TESTING_interpreter_fail (is);
return;
}
skip_room_state:
peer_index = sss->peer_index;
stage_index = sss->stage_index;
const unsigned int index = stage_index * sss->topology->peer_amount + peer_index;
const struct GNUNET_MESSENGER_TestStage *stage = &(sss->topology->peer_stages[index]);
unsigned int door_index = stage->door_id;
if (door_index == 0)
door_index = (peer_index + GNUNET_CRYPTO_random_u32 (
GNUNET_CRYPTO_QUALITY_WEAK,
sss->topology->peer_amount - 1
) + 1) % sss->topology->peer_amount;
else
door_index = (door_index - 1) % sss->topology->peer_amount;
struct GNUNET_PeerIdentity *door;
door = GNUNET_TESTING_get_peer(door_index, sss->tl_system);
if (!door)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Testing library failed to get peer identity of index '%u'\n",
door_index);
GNUNET_TESTING_interpreter_fail (is);
return;
}
struct GNUNET_MESSENGER_Room *room;
switch (stage->join)
{
case GNUNET_MESSENGER_STAGE_JOIN_OPEN_ROOM:
room = GNUNET_MESSENGER_open_room (sss->msg, &key);
if (!room)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Testing library failed to open room with key '%s'\n",
jrs->room_key);
GNUNET_free (door);
GNUNET_TESTING_interpreter_fail (is);
return;
}
break;
case GNUNET_MESSENGER_STAGE_JOIN_ENTER_ROOM:
room = GNUNET_MESSENGER_enter_room(sss->msg, door, &key);
if (!room)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Testing library failed to enter room with key '%s'\n",
jrs->room_key);
GNUNET_free (door);
GNUNET_TESTING_interpreter_fail (is);
return;
}
break;
default:
room = NULL;
break;
}
jrs->room = room;
TODO: sss->stage_index++;
GNUNET_free (door);
}
static void
join_room_cleanup (void *cls)
{
struct GNUNET_MESSENGER_JoinRoomState *jrs = cls;
GNUNET_free (jrs->room_key);
GNUNET_free (jrs->service_label);
GNUNET_free (jrs);
}
struct GNUNET_TESTING_Command
GNUNET_MESSENGER_cmd_join_room (const char *label,
const char *service_label,
const char *room_key)
{
struct GNUNET_MESSENGER_JoinRoomState *jrs;
jrs = GNUNET_new (struct GNUNET_MESSENGER_JoinRoomState);
jrs->service_label = GNUNET_strdup (service_label);
jrs->room_key = GNUNET_strdup (room_key);
return GNUNET_TESTING_command_new (jrs,
label,
&join_room_run,
&join_room_cleanup,
NULL,
NULL);
}
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