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/*
* Copyright 2023 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 RTC_BASE_NETWORK_RECEIVED_PACKET_H_
#define RTC_BASE_NETWORK_RECEIVED_PACKET_H_
#include <cstdint>
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "api/units/timestamp.h"
#include "rtc_base/socket_address.h"
namespace rtc {
// ReceivedPacket repressent a received IP packet.
// It contains a payload and metadata.
// ReceivedPacket itself does not put constraints on what payload contains. For
// example it may contains STUN, SCTP, SRTP, RTP, RTCP.... etc.
class ReceivedPacket {
public:
// Caller must keep memory pointed to by payload and address valid for the
// lifetime of this ReceivedPacket.
ReceivedPacket(
rtc::ArrayView<const uint8_t> payload,
const SocketAddress& source_address,
absl::optional<webrtc::Timestamp> arrival_time = absl::nullopt);
// Address/port of the packet sender.
const SocketAddress& source_address() const { return source_address_; }
rtc::ArrayView<const uint8_t> payload() const { return payload_; }
// Timestamp when this packet was received. Not available on all socket
// implementations.
absl::optional<webrtc::Timestamp> arrival_time() const {
return arrival_time_;
}
static ReceivedPacket CreateFromLegacy(
const char* data,
size_t size,
int64_t packet_time_us,
const rtc::SocketAddress& = rtc::SocketAddress());
private:
rtc::ArrayView<const uint8_t> payload_;
absl::optional<webrtc::Timestamp> arrival_time_;
const SocketAddress& source_address_;
};
} // namespace rtc
#endif // RTC_BASE_NETWORK_RECEIVED_PACKET_H_
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