hello mr fox

solanaceae/zox/ngc.hpp

@@ -0,0 +1,121 @@
+#pragma once
+
+#include <solanaceae/toxcore/tox_event_interface.hpp>
+
+#include <solanaceae/util/event_provider.hpp>
+
+#include <array>
+#include <vector>
+
+// fwd
+//struct ToxI;
+
+// zoff ngc history sync (draft1?)
+// https://gist.github.com/zoff99/81917ddb2e55b2ce602cac4772a7b68c
+
+namespace Events {
+
+	struct ZoxNGC_ngch_request {
+		uint32_t group_number {0u};
+		uint32_t peer_number {0u};
+
+		bool _private {true};
+
+		uint8_t sync_delta {130u};
+	};
+
+	struct ZoxNGC_ngch_syncmsg {
+		uint32_t group_number {0u};
+		uint32_t peer_number {0u};
+
+		bool _private {true};
+
+		uint32_t message_id {0u};
+		// TODO: span
+		std::array<uint8_t, 32> sender_pub_key;
+		uint32_t timestamp {0u};
+		std::string_view sender_name;
+		std::string_view message_text;
+	};
+
+} // Events
+
+enum class ZoxNGC_Event : uint32_t {
+	// hs
+	v0x01_id0x01 = 0,
+	ngch_request = v0x01_id0x01,
+
+	v0x01_id0x02,
+	ngch_syncmsg = v0x01_id0x02,
+
+	v0x01_id0x03,
+	ngch_syncmsg_file = v0x01_id0x03,
+
+	//v0x01_id0x04,
+	//v0x01_id0x05,
+	//v0x01_id0x06,
+	//v0x01_id0x07,
+	//v0x01_id0x08,
+	//v0x01_id0x09,
+	//v0x01_id0x0a,
+	//v0x01_id0x0b,
+	//v0x01_id0x0c,
+	//v0x01_id0x0d,
+	//v0x01_id0x0e,
+	//v0x01_id0x0f,
+	//v0x01_id0x10,
+
+	v0x01_id0x11,
+	ngch_ft = v0x01_id0x11,
+
+	// ...
+
+	// v0x02_id0x01
+
+	MAX
+};
+
+static_assert(size_t(ZoxNGC_Event::v0x01_id0x02) == size_t(ZoxNGC_Event::v0x01_id0x01) + 1u);
+
+struct ZoxNGCEventI {
+	using enumType = ZoxNGC_Event;
+	virtual bool onEvent(const Events::ZoxNGC_ngch_request&) { return false; }
+	virtual bool onEvent(const Events::ZoxNGC_ngch_syncmsg&) { return false; }
+};
+
+using ZoxNGCEventProviderI = EventProviderI<ZoxNGCEventI>;
+
+class ZoxNGCEventProvider : public ToxEventI, public ZoxNGCEventProviderI {
+	ToxEventProviderI& _tep;
+	//ToxI& _t;
+
+	void subscribeToEvents(void); // private
+
+	public:
+		ZoxNGCEventProvider(ToxEventProviderI& tep/*, ToxI& t*/);
+
+	protected:
+		bool onZoxGroupEvent(
+			uint32_t group_number, uint32_t peer_number,
+			uint8_t version, uint8_t pkt_id,
+			const uint8_t* data, size_t data_size,
+			bool _private
+		);
+
+		bool parse_ngch_request(
+			uint32_t group_number, uint32_t peer_number,
+			const uint8_t* data, size_t data_size,
+			bool _private
+		);
+
+		bool parse_ngch_syncmsg(
+			uint32_t group_number, uint32_t peer_number,
+			const uint8_t* data, size_t data_size,
+			bool _private
+		);
+
+	protected:
+		bool onToxEvent(const Tox_Event_Group_Custom_Packet* e) override;
+		bool onToxEvent(const Tox_Event_Group_Custom_Private_Packet* e) override;
+};
+