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ton/storage/TorrentCreator.h
2020-07-06 17:07:20 +03:00

67 lines
2.1 KiB
C++

/*
This file is part of TON Blockchain Library.
TON Blockchain Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
TON Blockchain Library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
Copyright 2017-2020 Telegram Systems LLP
*/
#pragma once
#include "Torrent.h"
#include "td/utils/optional.h"
#include "td/utils/SharedSlice.h"
#include "td/db/utils/BlobView.h"
namespace ton {
class Torrent::Creator {
public:
struct Options {
td::uint32 piece_size{128 * 768};
// override default dir_name
// should't be used in a usual workflow
td::optional<std::string> dir_name;
std::string description;
};
// If path is a file create a torrent with one file in it.
// If path is a directory, create a torrent with whole directory.
static td::Result<Torrent> create_from_path(Options options, td::CSlice path);
struct Blob {
td::Slice name;
td::Slice data;
};
static td::Result<Torrent> create_from_blobs(Options options, td::Span<Blob> blobs);
// This api is mostly for internal usage. One should prefer static methods
explicit Creator(Options options) : options_(options) {
}
TD_WARN_UNUSED_RESULT td::Status add_blob(td::Slice name, td::Slice blob);
TD_WARN_UNUSED_RESULT td::Status add_blob(td::Slice name, td::BlobView blob);
TD_WARN_UNUSED_RESULT td::Status add_file(td::Slice name, td::CSlice path);
td::Result<Torrent> finalize();
private:
td::Status init();
Options options_;
struct File {
std::string name;
td::BlobView data;
};
std::vector<File> files_;
};
} // namespace ton