hello mr fox

solanaceae/zox/ngc_hs.hpp

@@ -0,0 +1,101 @@
+#pragma once
+
+#include "./ngc.hpp"
+
+#include <solanaceae/contact/contact_model3.hpp>
+#include <solanaceae/message3/registry_message_model.hpp>
+
+#include <array>
+#include <queue>
+#include <map>
+#include <random>
+
+// fwd
+struct ToxI;
+struct ContactModelI;
+class RegistryMessageModel;
+class ToxContactModel2;
+
+// zoff ngc history sync (draft1?)
+// https://gist.github.com/zoff99/81917ddb2e55b2ce602cac4772a7b68c
+
+class ZoxNGCHistorySync : public ToxEventI, public ZoxNGCEventI {
+	ToxEventProviderI& _tep;
+	ZoxNGCEventProviderI& _zngcepi;
+	ToxI& _t;
+	Contact3Registry& _cr;
+	ToxContactModel2& _tcm;
+	RegistryMessageModel& _rmm;
+
+	// how far apart the 2 timestamps can be, before they are considered different messages
+	const int64_t _max_age_difference_ms {130*60*1000}; // TODO: make this larger?
+
+	// 5s-11s
+	const float _delay_before_first_request_min {5.f};
+	const float _delay_before_first_request_add {6.f};
+
+	// 30m-64m
+	const float _delay_next_request_min {30.f*60.f};
+	const float _delay_next_request_add {64.f*60.f};
+
+	// 0.3s-0.6s
+	const float _delay_between_syncs_min {0.3f};
+	const float _delay_between_syncs_add {0.3f};
+
+	std::uniform_real_distribution<float> _rng_dist {0.0f, 1.0f};
+	std::minstd_rand _rng;
+
+	struct RequestQueueInfo {
+		float delay; // const
+		float timer;
+		uint8_t sync_delta;
+	};
+	// request queue
+	// c -> delay, timer
+	std::map<Contact3, RequestQueueInfo> _request_queue;
+
+	struct SyncQueueInfo {
+		float delay; // const
+		float timer;
+		std::queue<Message3> ents;
+		//std::reference_wrapper<Message1Registry> reg;
+	};
+	std::map<Contact3, SyncQueueInfo> _sync_queue;
+
+	// sync queue
+
+	void subscribeToEvents(void); // private
+
+	public:
+		ZoxNGCHistorySync(ToxEventProviderI& tep, ZoxNGCEventProviderI& zngcepi, ToxI& t, Contact3Registry& cr, ToxContactModel2& tcm, RegistryMessageModel& rmm);
+
+		void tick(float delta);
+
+	public:
+		// always private
+		bool sendRequest(
+			uint32_t group_number, uint32_t peer_number,
+			uint8_t sync_delta = 130u
+		);
+
+		// always private
+		bool sendSyncMessage(
+			uint32_t group_number, uint32_t peer_number,
+			uint32_t message_id,
+			const std::array<uint8_t, 32>& sender_pub_key,
+			uint32_t timestamp,
+			std::string_view sender_name,
+			std::string_view message_text
+		);
+
+	protected:
+		bool onEvent(const Events::ZoxNGC_ngch_request& e) override;
+		bool onEvent(const Events::ZoxNGC_ngch_syncmsg& e) override;
+
+	protected:
+		bool onToxEvent(const Tox_Event_Group_Peer_Join* e) override;
+		//bool onToxEvent(const Tox_Event_Group_Peer_Exit* e) override;
+		//bool onToxEvent(const Tox_Event_Group_Custom_Packet* e) override;
+		//bool onToxEvent(const Tox_Event_Group_Custom_Private_Packet* e) override;
+};
+