mirror of
https://github.com/ton-blockchain/ton
synced 2025-03-09 15:40:10 +00:00
59 lines
2 KiB
C++
59 lines
2 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "OutboundTransfer.h"
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namespace ton {
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namespace rldp2 {
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size_t OutboundTransfer::total_size() const {
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return data_.size();
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}
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std::map<td::uint32, OutboundTransfer::Part> &OutboundTransfer::parts(const RldpSender::Config &config) {
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while (parts_.size() < 20) {
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auto offset = next_part_ * part_size();
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if (offset >= data_.size()) {
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break;
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}
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td::BufferSlice D = data_.from_slice(data_.as_slice().substr(offset).truncate(part_size()));
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ton::fec::FecType fec_type = td::fec::RaptorQEncoder::Parameters{D.size(), symbol_size(), 0};
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auto encoder = fec_type.create_encoder(std::move(D)).move_as_ok();
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auto symbols_count = fec_type.symbols_count();
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parts_.emplace(next_part_, Part{std::move(encoder), RldpSender(config, symbols_count), std::move(fec_type)});
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next_part_++;
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}
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return parts_;
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}
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void OutboundTransfer::drop_part(td::uint32 part_i) {
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parts_.erase(part_i);
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}
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OutboundTransfer::Part *OutboundTransfer::get_part(td::uint32 part_i) {
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auto it = parts_.find(part_i);
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if (it == parts_.end()) {
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return nullptr;
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}
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return &it->second;
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}
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bool OutboundTransfer::is_done() const {
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return next_part_ * part_size() >= data_.size() && parts_.empty();
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}
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} // namespace rldp2
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} // namespace ton
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