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/*
This file is part of GNUnet.
Copyright (C) 2021--2022 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_lib_intern.c
*/
#define GNUNET_UNUSED __attribute__ ((unused))
void
task_handle_destruction (void *cls)
{
GNUNET_assert(cls);
struct GNUNET_CHAT_Handle *handle = (struct GNUNET_CHAT_Handle*) cls;
handle->destruction = NULL;
handle_destroy(handle);
}
void
cb_account_creation (void *cls,
const struct GNUNET_IDENTITY_PrivateKey *key,
const char *emsg)
{
GNUNET_assert(cls);
struct GNUNET_CHAT_InternalAccounts *accounts = (
(struct GNUNET_CHAT_InternalAccounts*) cls
);
struct GNUNET_CHAT_Handle *handle = accounts->handle;
GNUNET_CONTAINER_DLL_remove(
handle->accounts_head,
handle->accounts_tail,
accounts
);
GNUNET_free(accounts);
if (emsg)
handle_send_internal_message(handle, NULL, GNUNET_CHAT_FLAG_WARNING, emsg);
else if (key)
handle_send_internal_message(handle, NULL, GNUNET_CHAT_FLAG_REFRESH, NULL);
}
void
cb_account_deletion (void *cls,
const char *emsg)
{
GNUNET_assert(cls);
struct GNUNET_CHAT_Handle *handle = (struct GNUNET_CHAT_Handle*) cls;
if (emsg)
{
handle_send_internal_message(handle, NULL, GNUNET_CHAT_FLAG_WARNING, emsg);
return;
}
}
void
cb_lobby_lookup (void *cls,
uint32_t count,
const struct GNUNET_GNSRECORD_Data *data)
{
GNUNET_assert(cls);
struct GNUNET_CHAT_UriLookups *lookups = (struct GNUNET_CHAT_UriLookups*) cls;
if ((!(lookups->handle)) || (!(lookups->uri)))
goto drop_lookup;
struct GNUNET_CHAT_Context *context = handle_process_records(
lookups->handle,
lookups->uri->label,
count,
data
);
if (context)
context_write_records(context);
drop_lookup:
if (lookups->uri)
uri_destroy(lookups->uri);
if (lookups->handle)
GNUNET_CONTAINER_DLL_remove(
lookups->handle->lookups_head,
lookups->handle->lookups_tail,
lookups
);
GNUNET_free(lookups);
}
struct GNUNET_CHAT_HandleIterateContacts
{
struct GNUNET_CHAT_Handle *handle;
GNUNET_CHAT_ContactCallback cb;
void *cls;
};
int
it_handle_iterate_contacts (void *cls,
GNUNET_UNUSED const struct GNUNET_ShortHashCode *key,
void *value)
{
GNUNET_assert((cls) && (value));
struct GNUNET_CHAT_HandleIterateContacts *it = cls;
if (!(it->cb))
return GNUNET_YES;
struct GNUNET_CHAT_Contact *contact = value;
return it->cb(it->cls, it->handle, contact);
}
struct GNUNET_CHAT_HandleIterateGroups
{
struct GNUNET_CHAT_Handle *handle;
GNUNET_CHAT_GroupCallback cb;
void *cls;
};
int
it_handle_iterate_groups (void *cls,
GNUNET_UNUSED const struct GNUNET_HashCode *key,
void *value)
{
GNUNET_assert((cls) && (value));
struct GNUNET_CHAT_HandleIterateGroups *it = cls;
if (!(it->cb))
return GNUNET_YES;
struct GNUNET_CHAT_Group *group = value;
return it->cb(it->cls, it->handle, group);
}
struct GNUNET_CHAT_RoomFindContact
{
const struct GNUNET_IDENTITY_PublicKey *ignore_key;
const struct GNUNET_MESSENGER_Contact *contact;
};
int
it_room_find_contact (void *cls,
GNUNET_UNUSED struct GNUNET_MESSENGER_Room *room,
const struct GNUNET_MESSENGER_Contact *member)
{
GNUNET_assert((cls) && (member));
const struct GNUNET_IDENTITY_PublicKey *key = GNUNET_MESSENGER_contact_get_key(
member
);
struct GNUNET_CHAT_RoomFindContact *find = cls;
if ((find->ignore_key) && (key) &&
(0 == GNUNET_memcmp(find->ignore_key, key)))
return GNUNET_YES;
find->contact = member;
return GNUNET_NO;
}
struct GNUNET_CHAT_GroupIterateContacts
{
const struct GNUNET_CHAT_Group *group;
GNUNET_CHAT_GroupContactCallback cb;
void *cls;
};
int
it_group_iterate_contacts (void* cls,
GNUNET_UNUSED struct GNUNET_MESSENGER_Room *room,
const struct GNUNET_MESSENGER_Contact *member)
{
GNUNET_assert((cls) && (member));
struct GNUNET_CHAT_GroupIterateContacts *it = cls;
if (!(it->cb))
return GNUNET_YES;
return it->cb(it->cls, it->group, handle_get_contact_from_messenger(
it->group->handle, member
));
}
struct GNUNET_CHAT_ContextIterateMessages
{
struct GNUNET_CHAT_Context *context;
GNUNET_CHAT_ContextMessageCallback cb;
void *cls;
};
int
it_context_iterate_messages (void *cls,
GNUNET_UNUSED const struct GNUNET_HashCode *key,
void *value)
{
GNUNET_assert((cls) && (value));
struct GNUNET_CHAT_ContextIterateMessages *it = cls;
if (!(it->cb))
return GNUNET_YES;
struct GNUNET_CHAT_Message *message = value;
return it->cb(it->cls, it->context, message);
}
struct GNUNET_CHAT_ContextIterateFiles
{
struct GNUNET_CHAT_Context *context;
GNUNET_CHAT_ContextFileCallback cb;
void *cls;
};
int
it_context_iterate_files (void *cls,
const struct GNUNET_HashCode *key,
GNUNET_UNUSED void *value)
{
GNUNET_assert((cls) && (key));
struct GNUNET_CHAT_ContextIterateFiles *it = cls;
if (!(it->cb))
return GNUNET_YES;
struct GNUNET_CHAT_Message *message = GNUNET_CONTAINER_multihashmap_get(
it->context->messages, key
);
if (!message)
return GNUNET_YES;
struct GNUNET_CHAT_File *file = GNUNET_CONTAINER_multihashmap_get(
it->context->handle->files, &(message->hash)
);
if (!file)
return GNUNET_YES;
return it->cb(it->cls, it->context, file);
}
struct GNUNET_CHAT_MessageIterateReadReceipts
{
const struct GNUNET_CHAT_Message *message;
GNUNET_CHAT_MessageReadReceiptCallback cb;
void *cls;
};
int
it_message_iterate_read_receipts (void *cls,
GNUNET_UNUSED struct GNUNET_MESSENGER_Room *room,
const struct GNUNET_MESSENGER_Contact *member)
{
GNUNET_assert((cls) && (member));
struct GNUNET_CHAT_MessageIterateReadReceipts *it = cls;
struct GNUNET_CHAT_Handle *handle = it->message->context->handle;
if (!handle)
return GNUNET_NO;
struct GNUNET_ShortHashCode shorthash;
util_shorthash_from_member(member, &shorthash);
struct GNUNET_CHAT_Contact *contact = GNUNET_CONTAINER_multishortmap_get(
handle->contacts, &shorthash
);
if (!contact)
return GNUNET_YES;
struct GNUNET_TIME_Absolute *timestamp = GNUNET_CONTAINER_multishortmap_get(
it->message->context->timestamps, &shorthash
);
if (!timestamp)
return GNUNET_YES;
struct GNUNET_TIME_Relative delta = GNUNET_TIME_absolute_get_difference(
*timestamp, GNUNET_CHAT_message_get_timestamp(it->message)
);
int read_receipt;
if (GNUNET_TIME_relative_get_zero_().rel_value_us == delta.rel_value_us)
read_receipt = GNUNET_YES;
else
read_receipt = GNUNET_NO;
if (it->cb)
it->cb(it->cls, it->message, contact, read_receipt);
return GNUNET_YES;
}
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