59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
#pragma once
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#include <memory>
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#include <protocol/Packet.h>
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#define DEBUG_ACKNOWLEDGE
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namespace ts::connection {
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class VoiceClientConnection;
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class AcknowledgeManager {
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public:
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struct Entry {
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uint16_t packet_id{0};
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uint16_t generation_id{0};
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uint8_t packet_type{0xFF};
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uint8_t resend_count{0};
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bool acknowledged : 1;
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uint8_t send_count : 7;
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pipes::buffer buffer;
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std::chrono::system_clock::time_point first_send;
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std::chrono::system_clock::time_point next_resend;
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std::unique_ptr<threads::Future<bool>> acknowledge_listener;
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};
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AcknowledgeManager();
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virtual ~AcknowledgeManager();
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size_t awaiting_acknowledge();
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void reset();
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void process_packet(ts::protocol::BasicPacket& /* packet */);
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bool process_acknowledge(uint8_t packet_type, uint16_t /* packet id */, std::string& /* error */);
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ssize_t execute_resend(
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const std::chrono::system_clock::time_point& /* now */,
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std::chrono::system_clock::time_point& /* next resend */,
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std::deque<std::shared_ptr<Entry>>& /* buffers to resend */,
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std::string& /* error */
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);
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[[nodiscard]] inline auto current_rto() const { return this->rto; }
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[[nodiscard]] inline auto current_srtt() const { return this->srtt; }
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[[nodiscard]] inline auto current_rttvar() const { return this->rttvar; }
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private:
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std::mutex entry_lock;
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std::deque<std::shared_ptr<Entry>> entries;
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float rto{1000};
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float srtt{-1};
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float rttvar{};
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constexpr static auto alpha{.125f};
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constexpr static auto beta{.25f};
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void update_rto(size_t /* response time */);
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};
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} |