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ton/storage/TorrentHeader.h
EmelyanenkoK 360ef54e6b
TON Storage utilities (#564)
* Rename chunk to piece in MerkleTree for consistency

* Refactor PeerManager

* Make PeerState thread-safe

* Download torrent by hash

* First version of storage daemon

* Download torrents partially

* Improve storing and loading torrent state in DB

* Rewrite MerkleTree

* "Remove torrent" in storage daemon

* Process errors, fix bugs in storage

* Move TonlibClientWrapper from rldp-http-proxy to tonlib

* Initial version of storage provider

* Move interaction with contracts to smc-util

* Improve TonlibClientWrapper interface

* Various improvements in storage provider

* Fix TorrentCreator.cpp

* Improve interface for partial download

* Client mode in storage-daemon

* Improve interface of storage-daemon-cli

* Fix calculating speed, show peers in storage-daemon

* Use permanent adnl id in storage daemon

* Fix sending large "storage.addUpdate" messages

* Improve printing torrents in cli

* Update tlo

* Fix RldpSender::on_ack

* Update storage provider

* Add "address" parameter to get-provider-params

* Allow client to close storage contract

* Limit torrent description

* Add more logs to storage provider

* smc.forget tonlib method

* Use smc.forget in storage daemon

* Optimize sending messages in smc-util.cpp

* Fix verbosity, remove excessive logs

* Json output in storage-daemon-cli

* Update storage provider contracts

* Fix rldp2 acks

* Change verbosity of logs in rldp2

* Update help and output of commands and in storage-daemon-cli

Co-authored-by: SpyCheese <mikle98@yandex.ru>
2022-12-22 12:24:13 +03:00

78 lines
2.5 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 "td/utils/Slice.h"
#include "td/utils/buffer.h"
#include "td/utils/Status.h"
namespace ton {
// fec_info_none#c82a1964 = FecInfo;
//
// torrent_header#9128aab7
// files_count:uint32
// tot_name_size:uint64
// tot_data_size:uint64
// fec:FecInfo
// dir_name_size:uint32
// dir_name:(dir_name_size * [uint8])
// name_index:(files_count * [uint64])
// data_index:(files_count * [uint64])
// names:(file_names_size * [uint8])
// data:(tot_data_size * [uint8])
// = TorrentHeader;
//
// Filename rules:
// 1) Name can't be empty
// 2) Names in a torrent should be unique
// 3) Name can't start or end with '/' or contain two consequitive '/'
// 4) Components of name can't be equal to "." or ".."
// 5) If there's a name aaa/bbb/ccc, no other name can start with aaa/bbb/ccc/
struct TorrentHeader {
td::uint32 files_count{0};
td::uint64 tot_names_size{0};
td::uint64 tot_data_size{0};
//fec_none
std::string dir_name;
std::vector<td::uint64> name_index;
std::vector<td::uint64> data_index;
std::string names;
td::uint64 get_data_begin(td::uint64 file_i) const;
td::uint64 get_data_end(td::uint64 file_i) const;
td::uint64 get_data_offset(td::uint64 offset_i) const;
td::uint64 get_data_size(td::uint64 file_i) const;
td::Slice get_name(td::uint64 file_i) const;
td::CSlice get_dir_name() const;
td::uint32 get_files_count() const;
td::uint64 serialization_size() const;
td::BufferSlice serialize() const;
static constexpr td::uint32 type = 0x9128aab7;
template <class StorerT>
void store(StorerT &storer) const;
template <class ParserT>
void parse(ParserT &parser);
td::Status validate(td::uint64 total_size, td::uint64 header_size) const;
};
} // namespace ton