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/*
This file is part of GNUnet.
Copyright (C) 2021--2024 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_contact.h
*/
#ifndef GNUNET_CHAT_CONTACT_H_
#define GNUNET_CHAT_CONTACT_H_
#include <gnunet/gnunet_common.h>
#include <gnunet/gnunet_messenger_service.h>
#include <gnunet/gnunet_util_lib.h>
struct GNUNET_CHAT_Handle;
struct GNUNET_CHAT_Context;
struct GNUNET_CHAT_Ticket;
struct GNUNET_CHAT_InternalTickets
{
struct GNUNET_CHAT_Ticket *ticket;
struct GNUNET_CHAT_InternalTickets *next;
struct GNUNET_CHAT_InternalTickets *prev;
};
struct GNUNET_CHAT_Contact
{
struct GNUNET_CHAT_Handle *handle;
struct GNUNET_CHAT_Context *context;
const struct GNUNET_MESSENGER_Contact *member;
struct GNUNET_CONTAINER_MultiHashMap *joined;
struct GNUNET_CHAT_InternalTickets *tickets_head;
struct GNUNET_CHAT_InternalTickets *tickets_tail;
char *public_key;
void *user_pointer;
enum GNUNET_GenericReturnValue owned;
};
/**
* Creates a chat contact using a given messenger <i>contact</i>
* with a selected chat <i>handle</i>.
*
* @param[in,out] handle Chat handle
* @param[in] member Messenger contact
* @return New chat contact
*/
struct GNUNET_CHAT_Contact*
contact_create_from_member (struct GNUNET_CHAT_Handle *handle,
const struct GNUNET_MESSENGER_Contact *member);
/**
* Updates the latest <i>hash</i> of a join message from a given
* chat <i>contact</i> in a current chat <i>context</i>.
*
* @param[in,out] contact Chat contact
* @param[in,out] context Chat context
* @param[in] hash Join message hash
* @param[in] flags Join message flags
*/
void
contact_update_join (struct GNUNET_CHAT_Contact *contact,
struct GNUNET_CHAT_Context *context,
const struct GNUNET_HashCode *hash,
enum GNUNET_MESSENGER_MessageFlags flags);
/**
* Updates the string representation of the public key from
* a given chat <i>contact</i>.
*
* @param[in,out] contact Chat contact
*/
void
contact_update_key (struct GNUNET_CHAT_Contact *contact);
/**
* Searches for a chat context containing a given chat
* <i>contact</i> and the least amount of other members.
*
* @param[in] contact Chat contact
* @return Chat context or NULL
*/
struct GNUNET_CHAT_Context*
contact_find_context (const struct GNUNET_CHAT_Contact *contact);
/**
* Returns whether a chat <i>contact</i> is tagged in
* a given chat <i>context</i> with a specific <i>tag</i>.
*
* @param[in] contact Chat contact
* @param[in] context Chat context or NULL (optional)
* @param[in] tag Tag or NULL
* @return #GNUNET_YES if tagged, otherwise #GNUNET_NO
*/
enum GNUNET_GenericReturnValue
contact_is_tagged (const struct GNUNET_CHAT_Contact *contact,
const struct GNUNET_CHAT_Context *context,
const char *tag);
/**
* Untags a given chat <i>contact</i> in
* a given chat <i>context</i> from a specific <i>tag</i>.
*
* @param[in,out] contact Chat contact
* @param[in,out] context Chat context
*/
void
contact_untag (struct GNUNET_CHAT_Contact *contact,
struct GNUNET_CHAT_Context *context,
const char *tag);
/**
* Tags a given chat <i>contact</i> in
* a given chat <i>context</i> with a specific <i>tag</i>.
*
* @param[in,out] contact Chat contact
* @param[in,out] context Chat context
* @param[in] tag Tag or NULL
*/
void
contact_tag (struct GNUNET_CHAT_Contact *contact,
struct GNUNET_CHAT_Context *context,
const char *tag);
/**
* Destroys a chat <i>contact</i> and frees its memory.
*
* @param[in,out] contact Chat contact
*/
void
contact_destroy (struct GNUNET_CHAT_Contact* contact);
#endif /* GNUNET_CHAT_CONTACT_H_ */
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