small hs progress

solanaceae/ngc_hs2/ngc_hs2_send.hpp

@@ -9,10 +9,60 @@
 
 #include <entt/container/dense_map.hpp>
 
+#include <solanaceae/util/span.hpp>
+
+#include <vector>
+
 // fwd
 class ToxContactModel2;
 
-// limit to 2 uploads per peer simultaniously
+
+struct InfoRequest {
+	uint64_t ts_start{0};
+	uint64_t ts_end{0};
+};
+
+struct SingleMessageRequest {
+	ByteSpan ppk;
+	uint32_t mid {0};
+	uint64_t ts {0}; // deciseconds
+};
+
+// TODO: move to own file
+namespace Components {
+	struct IncommingInfoRequestQueue {
+		std::vector<InfoRequest> _queue;
+
+		// we should remove/notadd queued requests
+		// that are subsets of same or larger ranges
+		void queueRequest(const InfoRequest& new_request);
+	};
+
+	struct IncommingInfoRequestRunning {
+		struct Entry {
+			InfoRequest ir;
+			std::vector<uint8_t> data; // trasfer data in memory
+		};
+		entt::dense_map<uint8_t, Entry> _list;
+	};
+
+	struct IncommingMsgRequestQueue {
+		// optimize dup lookups (this list could be large)
+		std::vector<SingleMessageRequest> _queue;
+
+		// removes dups
+		void queueRequest(const SingleMessageRequest& new_request);
+	};
+
+	struct IncommingMsgRequestRunning {
+		struct Entry {
+			SingleMessageRequest smr;
+			std::vector<uint8_t> data; // trasfer data in memory
+		};
+		// make more efficent? this list is very short
+		entt::dense_map<uint8_t, Entry> _list;
+	};
+} // Components
 
 class NGCHS2Send : public RegistryMessageModelEventI, public NGCFT1EventI {
 	Contact3Registry& _cr;
@@ -21,12 +71,22 @@ class NGCHS2Send : public RegistryMessageModelEventI, public NGCFT1EventI {
 	NGCFT1& _nft;
 	NGCFT1EventProviderI::SubscriptionReference _nftep_sr;
 
+	float _iterate_heat {0.f};
+	constexpr static float _iterate_cooldown {1.22f}; // sec
+
 	// open/running info requests (by c)
+	// comp on peer c
 
 	// open/running info responses (by c)
+	// comp on peer c
 
-	static const bool _only_send_self_observed {true};
-	static const int64_t _max_time_into_past_default {60}; // s
+	// limit to 2 uploads per peer simultaniously
+	// TODO: increase for prod (4?)
+	// currently per type
+	constexpr static size_t _max_parallel_per_peer {2};
+
+	constexpr static bool _only_send_self_observed {true};
+	constexpr static int64_t _max_time_into_past_default {60*15}; // s
 
 	public:
 		NGCHS2Send(