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fec/fec.h

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+/*
+    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 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+
+#include "td/fec/fec.h"
+#include "auto/tl/ton_api.h"
+#include "td/utils/Variant.h"
+
+namespace ton {
+
+namespace fec {
+
+class FecType {
+ private:
+  class Empty {};
+  td::Variant<Empty, td::fec::RaptorQEncoder::Parameters, td::fec::RoundRobinEncoder::Parameters,
+              td::fec::OnlineEncoder::Parameters>
+      type_{Empty()};
+
+ public:
+  tl_object_ptr<ton_api::fec_Type> tl() const;
+  td::Result<std::unique_ptr<td::fec::Decoder>> create_decoder() const;
+
+  // Changes parameters!
+  td::Result<std::unique_ptr<td::fec::Encoder>> create_encoder(td::BufferSlice data);
+
+  td::uint32 size() const;
+  td::uint32 symbols_count() const;
+  td::uint32 symbol_size() const;
+
+  FecType() {
+  }
+  template <class T>
+  FecType(T param) : type_(param) {
+  }
+
+  static td::Result<FecType> create(tl_object_ptr<ton_api::fec_Type> obj);
+};
+
+}  // namespace fec
+
+}  // namespace ton