| /** @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 "QUICConnection.h" |
| #include "QUICConfig.h" |
| #include "QUICEvents.h" |
| #include "QUICCongestionController.h" |
| |
| class QUICRTTProvider; |
| class QUICCongestionController; |
| class QUICPacketProtectionKeyInfoProvider; |
| class QUICPathManager; |
| class QUICPacketR; |
| class QUICPacket; |
| |
| class QUICNetVConnection; |
| struct QUICPacketInfo; |
| |
| // this class is a connection between the callbacks. it should do something |
| // TODO: it should do something |
| class QUICCallbackContext |
| { |
| }; |
| |
| class QUICCallback |
| { |
| public: |
| virtual ~QUICCallback() {} |
| |
| // callback on connection close event |
| virtual void connection_close_callback(QUICCallbackContext &){}; |
| // callback on packet send event |
| virtual void packet_send_callback(QUICCallbackContext &, const QUICPacket &p){}; |
| // callback on packet lost event |
| virtual void packet_lost_callback(QUICCallbackContext &, const QUICPacketInfo &p){}; |
| // callback on packet receive event |
| virtual void packet_recv_callback(QUICCallbackContext &, const QUICPacket &p){}; |
| // callback on packet acked event |
| virtual void cc_metrics_update_callback(QUICCallbackContext &, uint64_t congestion_window, uint64_t bytes_in_flight, |
| uint64_t sshresh){}; |
| // callback on packet receive event |
| virtual void frame_packetize_callback(QUICCallbackContext &, const QUICFrame &p){}; |
| // callback on packet receive event |
| virtual void frame_recv_callback(QUICCallbackContext &, const QUICFrame &p){}; |
| // callback on packet receive event |
| virtual void congestion_state_updated_callback(QUICCallbackContext &, QUICCongestionController::State p){}; |
| }; |
| |
| class QUICContext |
| { |
| public: |
| QUICContext(QUICRTTProvider *rtt, QUICConnectionInfoProvider *info, QUICPacketProtectionKeyInfoProvider *key_info, |
| QUICPathManager *path_manager); |
| |
| virtual ~QUICContext(){}; |
| virtual QUICConnectionInfoProvider *connection_info() const; |
| virtual QUICConfig::scoped_config config() const; |
| virtual QUICLDConfig &ld_config() const; |
| virtual QUICPacketProtectionKeyInfoProvider *key_info() const; |
| virtual QUICCCConfig &cc_config() const; |
| virtual QUICRTTProvider *rtt_provider() const; |
| virtual QUICPathManager *path_manager() const; |
| |
| // regist a callback which will be called when specified event happen. |
| void |
| regist_callback(std::shared_ptr<QUICCallback> cbs) |
| { |
| this->_callbacks.push_back(cbs); |
| } |
| |
| enum class CallbackEvent : uint8_t { |
| PACKET_LOST, |
| PACKET_SEND, |
| FRAME_PACKETIZE, |
| PACKET_RECV, |
| FRAME_RECV, |
| METRICS_UPDATE, |
| CONNECTION_CLOSE, |
| CONGESTION_STATE_CHANGED, |
| }; |
| |
| // FIXME stupid trigger should be fix in more smart way. |
| void |
| trigger(CallbackEvent e, const QUICPacket *p = nullptr) |
| { |
| QUICCallbackContext ctx; |
| switch (e) { |
| case CallbackEvent::PACKET_RECV: |
| for (auto &&it : this->_callbacks) { |
| it->packet_recv_callback(ctx, *p); |
| } |
| break; |
| case CallbackEvent::PACKET_SEND: |
| for (auto &&it : this->_callbacks) { |
| it->packet_send_callback(ctx, *p); |
| } |
| break; |
| case CallbackEvent::CONNECTION_CLOSE: |
| for (auto &&it : this->_callbacks) { |
| it->connection_close_callback(ctx); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void |
| trigger(CallbackEvent e, const QUICPacketInfo &p) |
| { |
| QUICCallbackContext ctx; |
| for (auto &&it : this->_callbacks) { |
| it->packet_lost_callback(ctx, p); |
| } |
| } |
| |
| void |
| trigger(CallbackEvent e, uint64_t congestion_window, uint64_t bytes_in_flight, uint64_t sshresh) |
| { |
| QUICCallbackContext ctx; |
| for (auto &&it : this->_callbacks) { |
| it->cc_metrics_update_callback(ctx, congestion_window, bytes_in_flight, sshresh); |
| } |
| } |
| |
| void |
| trigger(CallbackEvent e, QUICCongestionController::State state) |
| { |
| QUICCallbackContext ctx; |
| for (auto &&it : this->_callbacks) { |
| it->congestion_state_updated_callback(ctx, state); |
| } |
| } |
| |
| void |
| trigger(CallbackEvent e, const QUICFrame &frame) |
| { |
| QUICCallbackContext ctx; |
| switch (e) { |
| case CallbackEvent::FRAME_PACKETIZE: |
| |
| for (auto &&it : this->_callbacks) { |
| it->frame_packetize_callback(ctx, frame); |
| } |
| break; |
| |
| case CallbackEvent::FRAME_RECV: |
| for (auto &&it : this->_callbacks) { |
| it->frame_recv_callback(ctx, frame); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| protected: |
| // For Mock |
| QUICContext() {} |
| |
| private: |
| QUICConfig::scoped_config _config; |
| QUICPacketProtectionKeyInfoProvider *_key_info = nullptr; |
| QUICConnectionInfoProvider *_connection_info = nullptr; |
| QUICRTTProvider *_rtt_provider = nullptr; |
| QUICPathManager *_path_manager = nullptr; |
| |
| std::unique_ptr<QUICLDConfig> _ld_config = nullptr; |
| std::unique_ptr<QUICCCConfig> _cc_config = nullptr; |
| |
| std::vector<std::shared_ptr<QUICCallback>> _callbacks; |
| }; |