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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_message.h
*/
#ifndef GNUNET_CHAT_MESSAGE_H_
#define GNUNET_CHAT_MESSAGE_H_
#include <gnunet/gnunet_common.h>
#include <gnunet/gnunet_messenger_service.h>
#include <gnunet/gnunet_util_lib.h>
struct GNUNET_CHAT_Context;
struct GNUNET_CHAT_Message;
struct GNUNET_CHAT_MessageList
{
struct GNUNET_CHAT_Message *message;
struct GNUNET_CHAT_MessageList *prev;
struct GNUNET_CHAT_MessageList *next;
};
enum GNUNET_CHAT_MessageFlag
{
GNUNET_CHAT_FLAG_NONE = 0,
GNUNET_CHAT_FLAG_WARNING = 1,
GNUNET_CHAT_FLAG_REFRESH = 2,
GNUNET_CHAT_FLAG_LOGIN = 3,
GNUNET_CHAT_FLAG_LOGOUT = 4,
GNUNET_CHAT_FLAG_CREATE_ACCOUNT = 5,
GNUNET_CHAT_FLAG_DELETE_ACCOUNT = 6,
GNUNET_CHAT_FLAG_UPDATE_ACCOUNT = 7,
GNUNET_CHAT_FLAG_UPDATE_CONTEXT = 8,
GNUNET_CHAT_FLAG_ATTRIBUTES = 9,
GNUNET_CHAT_FLAG_SHARE_ATTRIBUTES = 10
};
struct GNUNET_CHAT_Message
{
const struct GNUNET_CHAT_Account *account;
struct GNUNET_CHAT_Context *context;
struct GNUNET_SCHEDULER_Task *task;
union {
const struct GNUNET_MESSENGER_Message *msg;
const char *warning;
const char *attr;
};
struct GNUNET_HashCode hash;
enum GNUNET_MESSENGER_MessageFlags flags;
enum GNUNET_CHAT_MessageFlag flag;
};
/**
* Creates a chat message representing an actual message
* from the messenger service in a given chat <i>context</i>
* with a valid <i>hash</i> and message <i>flags</i>
*
* @param[in,out] context Chat context
* @param[in] hash Message hash
* @param[in] flags Message flags
* @param[in] msg Messenger message
* @return New chat message
*/
struct GNUNET_CHAT_Message*
message_create_from_msg (struct GNUNET_CHAT_Context *context,
const struct GNUNET_HashCode *hash,
enum GNUNET_MESSENGER_MessageFlags flags,
const struct GNUNET_MESSENGER_Message *msg);
/**
* Creates an internal chat message with an optional chat
* <i>account</i> or <i>context</i>, a custom <i>flag</i>
* and an optional <i>warning</i> text.
*
* @param[in] account Chat account or NULL
* @param[in,out] context Chat context or NULL
* @param[in] flag Chat message flag
* @param[in] warning Warning text
* @return New internal chat message
*/
struct GNUNET_CHAT_Message*
message_create_internally (const struct GNUNET_CHAT_Account *account,
struct GNUNET_CHAT_Context *context,
enum GNUNET_CHAT_MessageFlag flag,
const char *warning);
/**
* Returns whether a chat <i>message</i> contains an actual
* message from the messenger service.
*
* @param[in] message Chat message
* @return #GNUNET_YES if it contains message content, #GNUNET_NO otherwise
*/
enum GNUNET_GenericReturnValue
message_has_msg (const struct GNUNET_CHAT_Message* message);
/**
* Updates a chat message representing an actual message
* from the messenger service.
*
* @param[in,out] message Chat message
* @param[in] flags Message flags
* @param[in] msg Messenger message
*/
void
message_update_msg (struct GNUNET_CHAT_Message* message,
enum GNUNET_MESSENGER_MessageFlags flags,
const struct GNUNET_MESSENGER_Message *msg);
/**
* Destroys a chat <i>message</i> and frees its memory.
*
* @param[in,out] message Chat message
*/
void
message_destroy (struct GNUNET_CHAT_Message* message);
#endif /* GNUNET_CHAT_MESSAGE_H_ */
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