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// Copyright 2018 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 NET_QUIC_QUIC_SESSION_KEY_H_
#define NET_QUIC_QUIC_SESSION_KEY_H_
#include "net/base/host_port_pair.h"
#include "net/base/network_isolation_key.h"
#include "net/base/privacy_mode.h"
#include "net/socket/socket_tag.h"
#include "net/third_party/quiche/src/quic/core/quic_server_id.h"
namespace net {
// The key used to identify sessions. Includes the quic::QuicServerId and socket
// tag.
class QUIC_EXPORT_PRIVATE QuicSessionKey {
public:
QuicSessionKey();
QuicSessionKey(const HostPortPair& host_port_pair,
PrivacyMode privacy_mode,
const SocketTag& socket_tag,
const NetworkIsolationKey& network_isolation_key,
bool disable_secure_dns);
QuicSessionKey(const std::string& host,
uint16_t port,
PrivacyMode privacy_mode,
const SocketTag& socket_tag,
const NetworkIsolationKey& network_isolation_key,
bool disable_secure_dns);
QuicSessionKey(const quic::QuicServerId& server_id,
const SocketTag& socket_tag,
const NetworkIsolationKey& network_isolation_key,
bool disable_secure_dns);
QuicSessionKey(const QuicSessionKey& other);
~QuicSessionKey() = default;
// Needed to be an element of std::set.
bool operator<(const QuicSessionKey& other) const;
bool operator==(const QuicSessionKey& other) const;
// Checks if requests using QuicSessionKey can potentially be used to service
// requests using another. Returns true if all fields except QuicServerId's
// host and port match. The caller *MUST* also make sure that the session
// associated with one key has been verified for use with the host/port of the
// other.
//
// Note that this method is symmetric, so it doesn't matter which key's method
// is called on the other.
bool CanUseForAliasing(const QuicSessionKey& other) const;
const std::string& host() const { return server_id_.host(); }
PrivacyMode privacy_mode() const {
return server_id_.privacy_mode_enabled() ? PRIVACY_MODE_ENABLED
: PRIVACY_MODE_DISABLED;
}
const quic::QuicServerId& server_id() const { return server_id_; }
SocketTag socket_tag() const { return socket_tag_; }
const NetworkIsolationKey& network_isolation_key() const {
return network_isolation_key_;
}
bool disable_secure_dns() const { return disable_secure_dns_; }
size_t EstimateMemoryUsage() const;
private:
quic::QuicServerId server_id_;
SocketTag socket_tag_;
// Used to separate requests made in different contexts.
NetworkIsolationKey network_isolation_key_;
bool disable_secure_dns_;
};
} // namespace net
#endif // NET_QUIC_QUIC_SERVER_ID_H_
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