light cca refator and expose some cca values to the outside

solanaceae/ngc_ft1/cubic.hpp

@@ -2,13 +2,8 @@
 
 #include "./flow_only.hpp"
 
-#include <chrono>
-
 struct CUBIC : public FlowOnly {
-	//using clock = std::chrono::steady_clock;
-
 	public: // config
-		//static constexpr float BETA {0.7f};
 		static constexpr float BETA {0.8f};
 		static constexpr float SCALING_CONSTANT {0.4f};
 		static constexpr float RTT_EMA_ALPHA = 0.1f; // 0.1 is very smooth, might need more
@@ -26,35 +21,17 @@ struct CUBIC : public FlowOnly {
 
 		float getCWnD(void) const;
 
-		// moving avg over the last few delay samples
-		// VERY sensitive to bundling acks
-		//float getCurrentDelay(void) const;
-
-		//void addRTT(float new_delay);
-
 		void onCongestion(void) override;
 
 	public: // api
 		CUBIC(size_t maximum_segment_data_size) : FlowOnly(maximum_segment_data_size) {}
 		virtual ~CUBIC(void) {}
 
-		float getWindow(void) override;
+		float getWindow(void) const override;
 
 		// TODO: api for how much data we should send
 		// take time since last sent into account
 		// respect max_byterate_allowed
 		int64_t canSend(float time_delta) override;
-
-		// get the list of timed out seq_ids
-		//std::vector<SeqIDType> getTimeouts(void) const override;
-
-	public: // callbacks
-		// data size is without overhead
-		//void onSent(SeqIDType seq, size_t data_size) override;
-
-		//void onAck(std::vector<SeqIDType> seqs) override;
-
-		// if discard, not resent, not inflight
-		//void onLoss(SeqIDType seq, bool discard) override;
 };