#pragma once

#include <cstdint>

#include <string>

#include <vector>

#include "envoy/network/address.h"

#include "absl/types/optional.h"

namespace Envoy {

namespace Network {

struct ProxyProtocolTLV {

  const uint8_t type;

  const std::vector<unsigned char> value;

};

using ProxyProtocolTLVVector = std::vector<ProxyProtocolTLV>;

struct ProxyProtocolData {

  const Network::Address::InstanceConstSharedPtr src_addr_;

  const Network::Address::InstanceConstSharedPtr dst_addr_;

  const ProxyProtocolTLVVector tlv_vector_{};

};

enum class ProxyProtocolVersion { NotFound = 1, V1 = 2, V2 = 3 };

struct ProxyProtocolDataWithVersion : public ProxyProtocolData {

  const absl::optional<ProxyProtocolVersion> version_;

};

} // namespace Network

} // namespace Envoy