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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_CONNECTION_ENDPOINT_METADATA_H_
#define NET_BASE_CONNECTION_ENDPOINT_METADATA_H_
#include <stdint.h>
#include <optional>
#include <string>
#include <tuple>
#include <vector>
#include "base/values.h"
#include "net/base/net_export.h"
namespace net {
// Metadata used to create UDP/TCP/TLS/etc connections or information about such
// a connection.
struct NET_EXPORT_PRIVATE ConnectionEndpointMetadata {
// Expected to be parsed/consumed only by BoringSSL code and thus passed
// around here only as a raw byte array.
using EchConfigList = std::vector<uint8_t>;
ConnectionEndpointMetadata();
ConnectionEndpointMetadata(
std::vector<std::string> supported_protocol_alpns,
EchConfigList ech_config_list,
std::string target_name,
std::vector<std::vector<uint8_t>> trust_anchor_ids);
~ConnectionEndpointMetadata();
ConnectionEndpointMetadata(const ConnectionEndpointMetadata&);
ConnectionEndpointMetadata& operator=(const ConnectionEndpointMetadata&) =
default;
ConnectionEndpointMetadata(ConnectionEndpointMetadata&&);
ConnectionEndpointMetadata& operator=(ConnectionEndpointMetadata&&) = default;
bool operator==(const ConnectionEndpointMetadata& other) const = default;
base::Value ToValue() const;
static std::optional<ConnectionEndpointMetadata> FromValue(
const base::Value& value);
// ALPN strings for protocols supported by the endpoint. Empty for default
// non-protocol endpoint.
std::vector<std::string> supported_protocol_alpns;
// If not empty, TLS Encrypted Client Hello config for the service.
EchConfigList ech_config_list;
// The target domain name of this metadata.
std::string target_name;
// A list of TLS Trust Anchor IDs advertised by the server, indicating
// different options for trust anchors that it can offer. The client can
// choose a subset of these to advertise in the TLS ClientHello to guide the
// server as to which certificate it should serve so that the client will
// trust it.
std::vector<std::vector<uint8_t>> trust_anchor_ids;
};
} // namespace net
#endif // NET_BASE_CONNECTION_ENDPOINT_METADATA_H_
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