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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 QUICHE_QUIC_MASQUE_MASQUE_DISPATCHER_H_
#define QUICHE_QUIC_MASQUE_MASQUE_DISPATCHER_H_
#include "net/third_party/quiche/src/quic/masque/masque_server_backend.h"
#include "net/third_party/quiche/src/quic/masque/masque_server_session.h"
#include "net/third_party/quiche/src/quic/platform/api/quic_export.h"
#include "net/third_party/quiche/src/quic/tools/quic_simple_dispatcher.h"
namespace quic {
// QUIC dispatcher that handles new MASQUE connections and can proxy traffic
// between MASQUE clients and QUIC servers.
class QUIC_NO_EXPORT MasqueDispatcher : public QuicSimpleDispatcher,
public MasqueServerSession::Visitor {
public:
explicit MasqueDispatcher(
const QuicConfig* config,
const QuicCryptoServerConfig* crypto_config,
QuicVersionManager* version_manager,
std::unique_ptr<QuicConnectionHelperInterface> helper,
std::unique_ptr<QuicCryptoServerStreamBase::Helper> session_helper,
std::unique_ptr<QuicAlarmFactory> alarm_factory,
MasqueServerBackend* masque_server_backend,
uint8_t expected_server_connection_id_length);
// Disallow copy and assign.
MasqueDispatcher(const MasqueDispatcher&) = delete;
MasqueDispatcher& operator=(const MasqueDispatcher&) = delete;
// From QuicSimpleDispatcher.
std::unique_ptr<QuicSession> CreateQuicSession(
QuicConnectionId connection_id,
const QuicSocketAddress& client_address,
quiche::QuicheStringPiece alpn,
const ParsedQuicVersion& version) override;
bool OnFailedToDispatchPacket(const ReceivedPacketInfo& packet_info) override;
// From MasqueServerSession::Visitor.
void RegisterClientConnectionId(
QuicConnectionId client_connection_id,
MasqueServerSession* masque_server_session) override;
void UnregisterClientConnectionId(
QuicConnectionId client_connection_id) override;
private:
MasqueServerBackend* masque_server_backend_; // Unowned.
// Mapping from client connection IDs to server sessions, allows routing
// incoming packets to the right MASQUE connection.
QuicHashMap<QuicConnectionId, MasqueServerSession*, QuicConnectionIdHash>
client_connection_id_registrations_;
};
} // namespace quic
#endif // QUICHE_QUIC_MASQUE_MASQUE_DISPATCHER_H_
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