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// Copyright (c) 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 QUICHE_QUIC_QBONE_QBONE_SERVER_SESSION_H_
#define QUICHE_QUIC_QBONE_QBONE_SERVER_SESSION_H_
#include "absl/strings/string_view.h"
#include "quic/core/quic_crypto_server_stream_base.h"
#include "quic/core/quic_crypto_stream.h"
#include "quic/platform/api/quic_export.h"
#include "quic/qbone/qbone_control.pb.h"
#include "quic/qbone/qbone_control_stream.h"
#include "quic/qbone/qbone_packet_processor.h"
#include "quic/qbone/qbone_packet_writer.h"
#include "quic/qbone/qbone_session_base.h"
namespace quic {
// A helper class is used by the QuicCryptoServerStream.
class QboneCryptoServerStreamHelper
: public QuicCryptoServerStreamBase::Helper {
public:
// This will look for the QBONE alpn.
bool CanAcceptClientHello(const CryptoHandshakeMessage& chlo,
const QuicSocketAddress& client_address,
const QuicSocketAddress& peer_address,
const QuicSocketAddress& self_address,
std::string* error_details) const override;
};
class QUIC_EXPORT_PRIVATE QboneServerSession
: public QboneSessionBase,
public QbonePacketProcessor::OutputInterface,
public QbonePacketProcessor::StatsInterface {
public:
QboneServerSession(const quic::ParsedQuicVersionVector& supported_versions,
QuicConnection* connection,
Visitor* owner,
const QuicConfig& config,
const QuicCryptoServerConfig* quic_crypto_server_config,
QuicCompressedCertsCache* compressed_certs_cache,
QbonePacketWriter* writer,
QuicIpAddress self_ip,
QuicIpAddress client_ip,
size_t client_ip_subnet_length,
QboneServerControlStream::Handler* handler);
QboneServerSession(const QboneServerSession&) = delete;
QboneServerSession& operator=(const QboneServerSession&) = delete;
~QboneServerSession() override;
void Initialize() override;
virtual bool SendClientRequest(const QboneClientRequest& request);
void ProcessPacketFromNetwork(absl::string_view packet) override;
void ProcessPacketFromPeer(absl::string_view packet) override;
// QbonePacketProcessor::OutputInterface implementation.
void SendPacketToClient(absl::string_view packet) override;
void SendPacketToNetwork(absl::string_view packet) override;
// QbonePacketProcessor::StatsInterface implementation.
void OnPacketForwarded(QbonePacketProcessor::Direction direction) override {}
void OnPacketDroppedSilently(
QbonePacketProcessor::Direction direction) override {}
void OnPacketDroppedWithIcmp(
QbonePacketProcessor::Direction direction) override {}
void OnPacketDroppedWithTcpReset(
QbonePacketProcessor::Direction direction) override {}
void OnPacketDeferred(QbonePacketProcessor::Direction direction) override {}
protected:
// QboneSessionBase interface implementation.
std::unique_ptr<QuicCryptoStream> CreateCryptoStream() override;
// The packet processor.
QbonePacketProcessor processor_;
private:
// Config for QUIC crypto server stream, used by the server.
const QuicCryptoServerConfig* quic_crypto_server_config_;
// Used by QUIC crypto server stream to track most recently compressed certs.
QuicCompressedCertsCache* compressed_certs_cache_;
// This helper is needed when create QuicCryptoServerStream.
QboneCryptoServerStreamHelper stream_helper_;
// Passed to the control stream.
QboneServerControlStream::Handler* handler_;
// The unowned control stream.
QboneServerControlStream* control_stream_;
};
} // namespace quic
#endif // QUICHE_QUIC_QBONE_QBONE_SERVER_SESSION_H_