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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file
#ifndef PLATFORM_BASE_UDP_PACKET_H_
#define PLATFORM_BASE_UDP_PACKET_H_
#include <stdint.h>
#include <algorithm>
#include <utility>
#include <vector>
#include "platform/base/ip_address.h"
namespace openscreen {
class UdpSocket;
// A move-only std::vector of bytes that may not exceed the maximum possible
// size of a UDP packet. Implicit copy construction/assignment is disabled to
// prevent hidden copies (i.e., those not explicitly coded).
class UdpPacket : public std::vector<uint8_t> {
public:
// C++14 vector constructors, sans Allocator foo, and no copy ctor.
UdpPacket();
explicit UdpPacket(size_type size);
explicit UdpPacket(size_type size, uint8_t fill_value);
template <typename InputIt>
UdpPacket(InputIt first, InputIt last)
: UdpPacket(std::distance(first, last)) {
std::copy(first, last, begin());
}
UdpPacket(UdpPacket&& other);
UdpPacket(std::initializer_list<uint8_t> init);
~UdpPacket();
UdpPacket& operator=(UdpPacket&& other);
const IPEndpoint& source() const { return source_; }
void set_source(IPEndpoint endpoint) { source_ = std::move(endpoint); }
const IPEndpoint& destination() const { return destination_; }
void set_destination(IPEndpoint endpoint) {
destination_ = std::move(endpoint);
}
UdpSocket* socket() const { return socket_; }
void set_socket(UdpSocket* socket) { socket_ = socket; }
static constexpr size_type kUdpMaxPacketSize = 1 << 16;
private:
IPEndpoint source_ = {};
IPEndpoint destination_ = {};
UdpSocket* socket_ = nullptr;
OSP_DISALLOW_COPY_AND_ASSIGN(UdpPacket);
};
} // namespace openscreen
#endif // PLATFORM_BASE_UDP_PACKET_H_
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