naiveproxy/net/quic/quartc/quartc_factory_interface.h

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2018-01-28 19:30:36 +03:00
// Copyright (c) 2017 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_QUARTC_QUARTC_FACTORY_INTERFACE_H_
#define NET_QUIC_QUARTC_QUARTC_FACTORY_INTERFACE_H_
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include "net/quic/platform/api/quic_export.h"
#include "net/quic/quartc/quartc_clock_interface.h"
#include "net/quic/quartc/quartc_session_interface.h"
#include "net/quic/quartc/quartc_task_runner_interface.h"
namespace net {
// Algorithm to use for congestion control.
enum class QuartcCongestionControl {
kDefault, // Use an arbitrary algorithm chosen by QUIC.
kBBR, // Use BBR.
};
// Used to create instances for Quartc objects such as QuartcSession.
class QUIC_EXPORT_PRIVATE QuartcFactoryInterface {
public:
virtual ~QuartcFactoryInterface() {}
struct QuartcSessionConfig {
// When using Quartc, there are two endpoints. The QuartcSession on one
// endpoint must act as a server and the one on the other side must act as a
// client.
bool is_server = false;
// This is only needed when is_server = false. It must be unique
// for each endpoint the local endpoint may communicate with. For example,
// a WebRTC client could use the remote endpoint's crypto fingerprint
std::string unique_remote_server_id;
// The way the QuicConnection will send and receive packets, like a virtual
// UDP socket. For WebRTC, this will typically be an IceTransport.
QuartcSessionInterface::PacketTransport* packet_transport = nullptr;
// The maximum size of the packet can be written with the packet writer.
// 1200 bytes by default.
uint64_t max_packet_size = 1200;
// Algorithm to use for congestion control. By default, uses an arbitrary
// congestion control algorithm chosen by QUIC.
QuartcCongestionControl congestion_control =
QuartcCongestionControl::kDefault;
};
virtual std::unique_ptr<QuartcSessionInterface> CreateQuartcSession(
const QuartcSessionConfig& quartc_config) = 0;
};
// The configuration for creating a QuartcFactory.
struct QuartcFactoryConfig {
// The task runner used by the QuartcAlarm. Implemented by the Quartc user
// with different mechanism. For example in WebRTC, it is implemented with
// rtc::Thread. Owned by the user, and needs to stay alive for as long
// as the QuartcFactory exists.
QuartcTaskRunnerInterface* task_runner = nullptr;
// The clock used by QuartcAlarms. Implemented by the Quartc user. Owned by
// the user, and needs to stay alive for as long as the QuartcFactory exists.
QuartcClockInterface* clock = nullptr;
};
// Creates a new instance of QuartcFactoryInterface.
std::unique_ptr<QuartcFactoryInterface> CreateQuartcFactory(
const QuartcFactoryConfig& factory_config);
} // namespace net
#endif // NET_QUIC_QUARTC_QUARTC_FACTORY_INTERFACE_H_