iocore/net/quic/QUICConnection.h

/** @file
 *
 *  A brief file description
 *
 *  @section license License
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#pragma once

#include "I_EventSystem.h"
#include "I_NetVConnection.h"
#include "QUICFrameHandler.h"

class QUICApplication;
class QUICStreamManager;
class UDPPacket;

class QUICConnectionInfoProvider
{
public:
  virtual ~QUICConnectionInfoProvider() {}
  virtual QUICConnectionId peer_connection_id() const     = 0;
  virtual QUICConnectionId original_connection_id() const = 0;
  virtual QUICConnectionId first_connection_id() const    = 0;
  virtual QUICConnectionId connection_id() const          = 0;
  virtual std::string_view cids() const                   = 0;
  virtual const QUICFiveTuple five_tuple() const          = 0;

  virtual uint32_t pmtu() const                                = 0;
  virtual NetVConnectionContext_t direction() const            = 0;
  virtual int select_next_protocol(SSL *ssl, const unsigned char **out, unsigned char *outlen, const unsigned char *in,
                                   unsigned inlen) const       = 0;
  virtual bool is_closed() const                               = 0;
  virtual std::string_view negotiated_application_name() const = 0;
};

class QUICConnection : public QUICFrameHandler, public QUICConnectionInfoProvider
{
public:
  virtual QUICStreamManager *stream_manager()             = 0;
  virtual void close(QUICConnectionErrorUPtr error)       = 0;
  virtual void handle_received_packet(UDPPacket *packeet) = 0;
  virtual void ping()                                     = 0;
};