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/*
This file is part of GNUnet.
Copyright (C) 2021 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_message_intern.c
*/
#include <gnunet/gnunet_container_lib.h>
#include "gnunet_chat_context.h"
void
link_message_parent (struct GNUNET_CHAT_Message *message)
{
struct GNUNET_CHAT_Context *context = message->context;
struct GNUNET_CHAT_Message *prev = GNUNET_CONTAINER_multihashmap_get(
context->messages, &(message->msg->header.previous)
);
if (prev)
{
struct GNUNET_CHAT_MessageList *list = GNUNET_new(
struct GNUNET_CHAT_MessageList
);
list->message = message;
GNUNET_CONTAINER_DLL_insert(prev->head, prev->tail, list);
}
if (GNUNET_MESSENGER_KIND_MERGE != message->msg->header.kind)
return;
prev = GNUNET_CONTAINER_multihashmap_get(
context->messages, &(message->msg->body.merge.previous)
);
if (prev)
{
struct GNUNET_CHAT_MessageList *list = GNUNET_new(
struct GNUNET_CHAT_MessageList
);
list->message = message;
GNUNET_CONTAINER_DLL_insert(prev->head, prev->tail, list);
}
}
void
unlink_message_parent (struct GNUNET_CHAT_Message *message)
{
struct GNUNET_CHAT_Context *context = message->context;
struct GNUNET_CHAT_Message *prev = GNUNET_CONTAINER_multihashmap_get(
context->messages, &(message->msg->header.previous)
);
if (prev)
{
struct GNUNET_CHAT_MessageList *list = prev->head;
while (list)
{
if (list->message == message)
break;
list = list->next;
}
if (list)
{
GNUNET_CONTAINER_DLL_remove(prev->head, prev->tail, list);
GNUNET_free(list);
}
}
if (GNUNET_MESSENGER_KIND_MERGE != message->msg->header.kind)
return;
prev = GNUNET_CONTAINER_multihashmap_get(
context->messages, &(message->msg->body.merge.previous)
);
if (prev)
{
struct GNUNET_CHAT_MessageList *list = prev->head;
while (list)
{
if (list->message == message)
break;
list = list->next;
}
if (list)
{
GNUNET_CONTAINER_DLL_remove(prev->head, prev->tail, list);
GNUNET_free(list);
}
}
}
void
clear_message_children (struct GNUNET_CHAT_Message *message)
{
struct GNUNET_CHAT_MessageList *list = message->tail;
while (list)
{
GNUNET_CONTAINER_DLL_remove(message->head, message->tail, list);
GNUNET_free(list);
list = message->tail;
}
}
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