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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_CLIENT_H_
#define QUICHE_QUIC_QBONE_QBONE_CLIENT_H_
#include "absl/strings/string_view.h"
#include "quiche/quic/qbone/qbone_client_interface.h"
#include "quiche/quic/qbone/qbone_client_session.h"
#include "quiche/quic/qbone/qbone_packet_writer.h"
#include "quiche/quic/tools/quic_client_base.h"
#include "quiche/quic/tools/quic_client_epoll_network_helper.h"
namespace quic {
// A QboneClient encapsulates connecting to a server via an epoll server
// and setting up a QBONE tunnel. See the QboneTestClient in qbone_client_test
// for usage.
class QboneClient : public QuicClientBase, public QboneClientInterface {
public:
// Note that the epoll server, QBONE writer, and handler are owned
// by the caller.
QboneClient(QuicSocketAddress server_address, const QuicServerId& server_id,
const ParsedQuicVersionVector& supported_versions,
QuicSession::Visitor* session_owner, const QuicConfig& config,
QuicEpollServer* epoll_server,
std::unique_ptr<ProofVerifier> proof_verifier,
QbonePacketWriter* qbone_writer,
QboneClientControlStream::Handler* qbone_handler);
~QboneClient() override;
QboneClientSession* qbone_session();
// From QboneClientInterface. Accepts a given packet from the network and
// sends the packet down to the QBONE connection.
void ProcessPacketFromNetwork(absl::string_view packet) override;
bool EarlyDataAccepted() override;
bool ReceivedInchoateReject() override;
protected:
int GetNumSentClientHellosFromSession() override;
int GetNumReceivedServerConfigUpdatesFromSession() override;
// This client does not resend saved data. This will be a no-op.
void ResendSavedData() override;
// This client does not resend saved data. This will be a no-op.
void ClearDataToResend() override;
// Takes ownership of |connection|.
std::unique_ptr<QuicSession> CreateQuicClientSession(
const ParsedQuicVersionVector& supported_versions,
QuicConnection* connection) override;
QbonePacketWriter* qbone_writer() { return qbone_writer_; }
QboneClientControlStream::Handler* qbone_control_handler() {
return qbone_handler_;
}
QuicSession::Visitor* session_owner() { return session_owner_; }
bool HasActiveRequests() override;
private:
QbonePacketWriter* qbone_writer_;
QboneClientControlStream::Handler* qbone_handler_;
QuicSession::Visitor* session_owner_;
};
} // namespace quic
#endif // QUICHE_QUIC_QBONE_QBONE_CLIENT_H_
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