| /** @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 <vector> |
| #include "QUICTypes.h" |
| #include "QUICFrameHandler.h" |
| #include "QUICFrameGenerator.h" |
| |
| #include "I_Lock.h" |
| |
| class QUICPinger : public QUICFrameOnceGenerator |
| { |
| public: |
| QUICPinger() : _mutex(new_ProxyMutex()) {} |
| |
| void request(); |
| void cancel(); |
| uint64_t count(); |
| |
| private: |
| // QUICFrameGenerator |
| bool _will_generate_frame(QUICEncryptionLevel level, size_t current_packet_size, bool ack_eliciting) override; |
| QUICFrame *_generate_frame(uint8_t *buf, QUICEncryptionLevel level, uint64_t connection_credit, uint16_t maximum_frame_size, |
| size_t current_packet_size) override; |
| |
| bool _ack_eliciting_packet_out = false; |
| |
| Ptr<ProxyMutex> _mutex; |
| uint64_t _need_to_fire = 0; |
| }; |