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ton/storage/TorrentInfo.cpp
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
*/
#include "TorrentInfo.h"
#include "vm/cells/CellString.h"
#include "vm/cellslice.h"
#include "td/utils/misc.h"
namespace ton {
bool TorrentInfo::pack(vm::CellBuilder &cb) const {
return cb.store_long_bool(piece_size, 32) && cb.store_long_bool(file_size, 64) && cb.store_bits_bool(root_hash) &&
cb.store_long_bool(header_size, 64) && cb.store_bits_bool(header_hash) &&
vm::CellText::store(cb, description).is_ok();
}
bool TorrentInfo::unpack(vm::CellSlice &cs) {
return cs.fetch_uint_to(32, piece_size) && cs.fetch_uint_to(64, file_size) && cs.fetch_bits_to(root_hash) &&
cs.fetch_uint_to(64, header_size) && cs.fetch_bits_to(header_hash) && vm::CellText::fetch_to(cs, description);
}
td::Bits256 TorrentInfo::get_hash() const {
return as_cell()->get_hash().bits();
}
void TorrentInfo::init_cell() {
vm::CellBuilder cb;
CHECK(pack(cb));
cell_ = cb.finalize();
}
td::Ref<vm::Cell> TorrentInfo::as_cell() const {
CHECK(cell_.not_null())
return cell_;
}
td::uint64 TorrentInfo::pieces_count() const {
return (file_size + piece_size - 1) / piece_size;
}
TorrentInfo::PieceInfo TorrentInfo::get_piece_info(td::uint64 piece_i) const {
PieceInfo info;
info.offset = piece_size * piece_i;
CHECK(info.offset < file_size);
info.size = td::min(static_cast<td::uint64>(piece_size), file_size - info.offset);
return info;
}
td::Status TorrentInfo::validate() const {
if (piece_size == 0) {
return td::Status::Error("Piece size is 0");
}
if (header_size > file_size) {
return td::Status::Error("Header is too big");
}
if (description.size() > 1024) {
return td::Status::Error("Description is too long");
}
return td::Status::OK();
}
} // namespace ton