mirror of
https://github.com/mii443/libdatachannel.git
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83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/**
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* Copyright (c) 2019-2020 Paul-Louis Ageneau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef RTC_MESSAGE_H
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#define RTC_MESSAGE_H
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#include "common.hpp"
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#include "reliability.hpp"
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#include <functional>
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#include <memory>
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#include <optional>
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#include <variant>
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namespace rtc {
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struct RTC_CPP_EXPORT Message : binary {
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enum Type { Binary, String, Control, Reset };
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Message(const Message &message) = default;
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Message(size_t size, Type type_ = Binary) : binary(size), type(type_) {}
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template <typename Iterator>
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Message(Iterator begin_, Iterator end_, Type type_ = Binary)
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: binary(begin_, end_), type(type_) {}
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Message(binary &&data, Type type_ = Binary) : binary(std::move(data)), type(type_) {}
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Type type;
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unsigned int stream = 0; // Stream id (SCTP stream or SSRC)
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unsigned int dscp = 0; // Differentiated Services Code Point
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std::shared_ptr<Reliability> reliability;
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};
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using message_ptr = std::shared_ptr<Message>;
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using message_callback = std::function<void(message_ptr message)>;
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using message_variant = std::variant<binary, string>;
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inline size_t message_size_func(const message_ptr &m) {
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return m->type == Message::Binary || m->type == Message::String ? m->size() : 0;
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};
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template <typename Iterator>
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message_ptr make_message(Iterator begin, Iterator end, Message::Type type = Message::Binary,
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unsigned int stream = 0,
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std::shared_ptr<Reliability> reliability = nullptr) {
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auto message = std::make_shared<Message>(begin, end, type);
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message->stream = stream;
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message->reliability = reliability;
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return message;
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}
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RTC_CPP_EXPORT message_ptr make_message(size_t size, Message::Type type = Message::Binary,
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unsigned int stream = 0,
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std::shared_ptr<Reliability> reliability = nullptr);
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RTC_CPP_EXPORT message_ptr make_message(binary &&data, Message::Type type = Message::Binary,
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unsigned int stream = 0,
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std::shared_ptr<Reliability> reliability = nullptr);
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RTC_CPP_EXPORT message_ptr make_message(message_variant data);
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RTC_CPP_EXPORT message_variant to_variant(Message &&message);
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} // namespace rtc
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#endif
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