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/*
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_
#define NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_
#include <cstdint>
#include <utility>
#include <vector>
#include "api/array_view.h"
#include "net/dcsctp/public/types.h"
namespace dcsctp {
// An SCTP message is a group of bytes sent and received as a whole on a
// specified stream identifier (`stream_id`), and with a payload protocol
// identifier (`ppid`).
class DcSctpMessage {
public:
DcSctpMessage(StreamID stream_id, PPID ppid, std::vector<uint8_t> payload)
: stream_id_(stream_id), ppid_(ppid), payload_(std::move(payload)) {}
DcSctpMessage(DcSctpMessage&& other) = default;
DcSctpMessage& operator=(DcSctpMessage&& other) = default;
DcSctpMessage(const DcSctpMessage&) = delete;
DcSctpMessage& operator=(const DcSctpMessage&) = delete;
// The stream identifier to which the message is sent.
StreamID stream_id() const { return stream_id_; }
// The payload protocol identifier (ppid) associated with the message.
PPID ppid() const { return ppid_; }
// The payload of the message.
rtc::ArrayView<const uint8_t> payload() const { return payload_; }
// When destructing the message, extracts the payload.
std::vector<uint8_t> ReleasePayload() && { return std::move(payload_); }
private:
StreamID stream_id_;
PPID ppid_;
std::vector<uint8_t> payload_;
};
} // namespace dcsctp
#endif // NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_
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