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/*
This file is part of GNUnet.
Copyright (C) 2020--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
*/
/**
* @author Tobias Frisch
* @file src/messenger/gnunet-service-messenger_message_kind.c
* @brief GNUnet MESSENGER service
*/
#include "messenger_api_message_kind.h"
#include "platform.h"
#include "messenger_api_util.h"
struct GNUNET_MESSENGER_Message*
create_message_join (const struct GNUNET_IDENTITY_PrivateKey *key)
{
if (!key)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_JOIN);
if (!message)
return NULL;
GNUNET_IDENTITY_key_get_public (key, &(message->body.join.key));
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_leave ()
{
return create_message (GNUNET_MESSENGER_KIND_LEAVE);
}
struct GNUNET_MESSENGER_Message*
create_message_name (const char *name)
{
if (!name)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_NAME);
if (!message)
return NULL;
message->body.name.name = GNUNET_strdup(name);
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_key (const struct GNUNET_IDENTITY_PrivateKey *key)
{
if (!key)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_KEY);
if (!message)
return NULL;
GNUNET_IDENTITY_key_get_public (key, &(message->body.key.key));
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_id (const struct GNUNET_ShortHashCode *unique_id)
{
if (!unique_id)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_ID);
if (!message)
return NULL;
GNUNET_memcpy(&(message->body.id.id), unique_id, sizeof(struct GNUNET_ShortHashCode));
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_request (const struct GNUNET_HashCode *hash)
{
if (!hash)
return NULL;
struct GNUNET_HashCode zero;
memset (&zero, 0, sizeof(zero));
if (0 == GNUNET_CRYPTO_hash_cmp (hash, &zero))
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_REQUEST);
if (!message)
return NULL;
GNUNET_memcpy(&(message->body.request.hash), hash, sizeof(struct GNUNET_HashCode));
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_invite (const struct GNUNET_PeerIdentity *door,
const struct GNUNET_HashCode *key)
{
if ((!door) || (!key))
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_INVITE);
if (!message)
return NULL;
GNUNET_memcpy(&(message->body.invite.door), door, sizeof(struct GNUNET_PeerIdentity));
GNUNET_memcpy(&(message->body.invite.key), key, sizeof(struct GNUNET_HashCode));
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_text (const char *text)
{
if (!text)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_TEXT);
if (!message)
return NULL;
message->body.text.text = GNUNET_strdup(text);
return message;
}
struct GNUNET_MESSENGER_Message*
create_message_delete (const struct GNUNET_HashCode *hash,
const struct GNUNET_TIME_Relative delay)
{
if (!hash)
return NULL;
struct GNUNET_MESSENGER_Message *message = create_message (GNUNET_MESSENGER_KIND_DELETE);
if (!message)
return NULL;
GNUNET_memcpy(&(message->body.deletion.hash), hash, sizeof(struct GNUNET_HashCode));
message->body.deletion.delay = GNUNET_TIME_relative_hton (delay);
return message;
}
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