gnunet-service-messenger_message_kind.c

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/*
   This file is part of GNUnet.
   Copyright (C) 2020--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
 */
#include "gnunet-service-messenger_message_kind.h"
 
#include "gnunet-service-messenger_room.h"
 
#include "messenger_api_message.h"
 
struct GNUNET_MESSENGER_Message*
create_message_info (struct GNUNET_MESSENGER_Service *service)
{
  if (! service)
    return NULL;
 
  struct GNUNET_MESSENGER_Message *message = create_message (
    GNUNET_MESSENGER_KIND_INFO);
 
  if (! message)
    return NULL;
 
  message->body.info.messenger_version = GNUNET_MESSENGER_VERSION;
 
  return message;
}
 
 
struct GNUNET_MESSENGER_Message*
create_message_peer (struct GNUNET_MESSENGER_Service *service)
{
  if (! service)
    return NULL;
 
  struct GNUNET_MESSENGER_Message *message = create_message (
    GNUNET_MESSENGER_KIND_PEER);
 
  if (! message)
    return NULL;
 
  if (GNUNET_OK == get_service_peer_identity (service,
                                              &(message->body.peer.peer)))
    return message;
  else
  {
    destroy_message (message);
    return NULL;
  }
}
 
 
struct GNUNET_MESSENGER_Message*
create_message_miss (const struct GNUNET_PeerIdentity *peer)
{
  if (! peer)
    return NULL;
 
  struct GNUNET_MESSENGER_Message *message = create_message (
    GNUNET_MESSENGER_KIND_MISS);
 
  if (! message)
  {
    return NULL;
  }
 
  GNUNET_memcpy (&(message->body.miss.peer), peer, sizeof(struct
                                                          GNUNET_PeerIdentity));
 
  return message;
}
 
 
struct GNUNET_MESSENGER_Message*
create_message_merge (const struct GNUNET_HashCode *previous)
{
  if (! previous)
    return NULL;
 
  struct GNUNET_MESSENGER_Message *message = create_message (
    GNUNET_MESSENGER_KIND_MERGE);
 
  if (! message)
    return NULL;
 
  GNUNET_memcpy (&(message->body.merge.previous), previous, sizeof(struct
                                                                   GNUNET_HashCode));
 
  return message;
}
 
 
struct GNUNET_MESSENGER_Message*
create_message_connection (const struct GNUNET_MESSENGER_SrvRoom *room)
{
  if (! room)
    return NULL;
 
  struct GNUNET_MESSENGER_Message *message = create_message (
    GNUNET_MESSENGER_KIND_CONNECTION);
 
  if (! message)
    return NULL;
 
  message->body.connection.amount = get_srv_room_amount_of_tunnels (room);
  message->body.connection.flags = get_srv_room_connection_flags (room);
 
  return message;
}