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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_file.c
*/
#include "gnunet_chat_file.h"
#include <limits.h>
struct GNUNET_CHAT_File*
file_create_from_message (struct GNUNET_CHAT_Handle *handle,
const struct GNUNET_MESSENGER_MessageFile* message)
{
struct GNUNET_CHAT_File* file = GNUNET_new(struct GNUNET_CHAT_File);
file->handle = handle;
file->name = GNUNET_strndup(message->name, NAME_MAX);
GNUNET_memcpy(&(file->key), &(message->key), sizeof(file->key));
GNUNET_memcpy(&(file->hash), &(message->hash), sizeof(file->hash));
file->meta = GNUNET_CONTAINER_meta_data_create();
file->uri = GNUNET_FS_uri_parse(message->uri, NULL);
file->download = NULL;
file->publish = NULL;
file->unindex = NULL;
file->upload_head = NULL;
file->upload_tail = NULL;
file->download_head = NULL;
file->download_tail = NULL;
file->unindex_head = NULL;
file->unindex_tail = NULL;
file->user_pointer = NULL;
return file;
}
struct GNUNET_CHAT_File*
file_create_from_disk (struct GNUNET_CHAT_Handle *handle,
const char *name, const struct GNUNET_HashCode *hash,
const struct GNUNET_CRYPTO_SymmetricSessionKey *key)
{
struct GNUNET_CHAT_File* file = GNUNET_new(struct GNUNET_CHAT_File);
file->handle = handle;
file->name = GNUNET_strndup(name, NAME_MAX);
GNUNET_memcpy(&(file->key), key, sizeof(file->key));
GNUNET_memcpy(&(file->hash), hash, sizeof(file->hash));
file->meta = GNUNET_CONTAINER_meta_data_create();
file->uri = NULL;
file->download = NULL;
file->publish = NULL;
file->unindex = NULL;
file->upload_head = NULL;
file->upload_tail = NULL;
file->download_head = NULL;
file->download_tail = NULL;
file->unindex_head = NULL;
file->unindex_tail = NULL;
file->user_pointer = NULL;
return file;
}
void
file_destroy (struct GNUNET_CHAT_File* file)
{
struct GNUNET_CHAT_FileUpload *upload;
while (file->upload_head)
{
upload = file->upload_head;
GNUNET_CONTAINER_DLL_remove(
file->upload_head,
file->upload_tail,
upload
);
GNUNET_free(upload);
}
struct GNUNET_CHAT_FileDownload *download;
while (file->download_head)
{
download = file->download_head;
GNUNET_CONTAINER_DLL_remove(
file->download_head,
file->download_tail,
download
);
GNUNET_free(download);
}
struct GNUNET_CHAT_FileUnindex *unindex;
while (file->unindex_head)
{
unindex = file->unindex_head;
GNUNET_CONTAINER_DLL_remove(
file->unindex_head,
file->unindex_tail,
unindex
);
GNUNET_free(unindex);
}
if (file->uri)
GNUNET_FS_uri_destroy(file->uri);
if (file->meta)
GNUNET_CONTAINER_meta_data_destroy(file->meta);
if (file->name)
GNUNET_free(file->name);
GNUNET_free(file);
}
void
file_bind_upload (struct GNUNET_CHAT_File* file,
GNUNET_CHAT_FileUploadCallback cb, void *cls)
{
struct GNUNET_CHAT_FileUpload *upload = GNUNET_new(
struct GNUNET_CHAT_FileUpload
);
upload->callback = cb;
upload->cls = cls;
GNUNET_CONTAINER_DLL_insert(
file->upload_head,
file->upload_tail,
upload
);
}
void
file_bind_downlaod (struct GNUNET_CHAT_File* file,
GNUNET_CHAT_FileDownloadCallback cb, void *cls)
{
struct GNUNET_CHAT_FileDownload *download = GNUNET_new(
struct GNUNET_CHAT_FileDownload
);
download->callback = cb;
download->cls = cls;
GNUNET_CONTAINER_DLL_insert(
file->download_head,
file->download_tail,
download
);
}
void
file_bind_unindex (struct GNUNET_CHAT_File* file,
GNUNET_CHAT_FileUnindexCallback cb, void *cls)
{
struct GNUNET_CHAT_FileUnindex *unindex = GNUNET_new(
struct GNUNET_CHAT_FileUnindex
);
unindex->callback = cb;
unindex->cls = cls;
GNUNET_CONTAINER_DLL_insert(
file->unindex_head,
file->unindex_tail,
unindex
);
}
void
file_update_upload (struct GNUNET_CHAT_File* file, uint64_t completed,
uint64_t size)
{
struct GNUNET_CHAT_FileUpload *upload = file->upload_head;
while (upload)
{
if (upload->callback)
upload->callback(upload->cls, file, completed, size);
upload = upload->next;
}
if (completed < size)
return;
while (file->upload_head)
{
upload = file->upload_head;
GNUNET_CONTAINER_DLL_remove(
file->upload_head,
file->upload_tail,
upload
);
GNUNET_free(upload);
}
}
void
file_update_download (struct GNUNET_CHAT_File* file, uint64_t completed,
uint64_t size)
{
struct GNUNET_CHAT_FileDownload *download = file->download_head;
while (download)
{
if (download->callback)
download->callback(download->cls, file, completed, size);
download = download->next;
}
if (completed < size)
return;
while (file->download_head)
{
download = file->download_head;
GNUNET_CONTAINER_DLL_remove(
file->download_head,
file->download_tail,
download
);
GNUNET_free(download);
}
}
void
file_update_unindex (struct GNUNET_CHAT_File* file, uint64_t completed,
uint64_t size)
{
struct GNUNET_CHAT_FileUnindex *unindex = file->unindex_head;
while (unindex)
{
if (unindex->callback)
unindex->callback(unindex->cls, file, completed, size);
unindex = unindex->next;
}
if (completed < size)
return;
while (file->unindex_head)
{
unindex = file->unindex_head;
GNUNET_CONTAINER_DLL_remove(
file->unindex_head,
file->unindex_tail,
unindex
);
GNUNET_free(unindex);
}
}
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