initial commit

ngc_hs1.hpp

@@ -0,0 +1,115 @@
+#pragma once
+
+#include "./ngc_hs1.h"
+
+#include "ngc_ext.hpp"
+
+#include <cstdint>
+#include <map>
+#include <list>
+#include <set>
+#include <vector>
+#include <optional>
+
+struct NGC_HS1 {
+	NGC_HS1_options options;
+
+	NGC_FT1* ngc_ft1_ctx {nullptr};
+
+	// callbacks
+	NGC_HS1_group_message_cb* cb_group_message {nullptr};
+
+	// key			- key			- key		- value store
+	// group pubkey - peer pubkey	- msg_id	- message(type + text)
+	struct Message {
+		uint32_t msg_id{};
+		Tox_Message_Type type{};
+		std::string text{};
+	};
+
+	struct Peer {
+		std::optional<uint32_t> id;
+		std::map<uint32_t, Message> dict;
+		std::list<uint32_t> order; // ordered list of message ids
+
+		// msg_ids we have only heard of, with peer_number of who we heard it from
+		std::map<uint32_t, std::set<uint32_t>> heard_of;
+
+		struct PendingFTRequest {
+			uint32_t peer_number; // the peer we requested the message from
+			float time_since_ft_activity {0.f};
+		};
+		std::map<uint32_t, PendingFTRequest> pending; // key msg_id
+
+		// dont start immediatly
+		float time_since_last_request_sent {0.f};
+
+		void append(uint32_t msg_id, Tox_Message_Type type, const std::string& text);
+
+		// returns if new (from that peer)
+		bool hear(uint32_t msg_id, uint32_t peer_number);
+	};
+
+	struct Group {
+		std::map<NGC_EXT::PeerKey, Peer> peers;
+
+		struct FileTransfers {
+			NGC_EXT::PeerKey msg_peer;
+			uint32_t msg_id;
+			float time_since_ft_activity {0.f};
+			std::vector<uint8_t> recv_buffer; // message gets dumped into here
+			size_t file_size {0};
+		};
+		// key: peer_number + transfer_id
+		std::map<std::pair<uint32_t, uint8_t>, FileTransfers> transfers;
+
+		struct Sending {
+			NGC_EXT::PeerKey msg_peer;
+			uint32_t msg_id;
+		};
+		std::map<std::pair<uint32_t, uint8_t>, Sending> sending;
+	};
+
+	std::map<NGC_EXT::GroupKey, Group> history;
+};
+
+void _handle_HS1_REQUEST_LAST_IDS(
+	Tox* tox,
+	NGC_EXT_CTX* ngc_ext_ctx,
+
+	uint32_t group_number,
+	uint32_t peer_number,
+
+	const uint8_t *data,
+	size_t length,
+	void* user_data
+);
+
+void _handle_HS1_RESPONSE_LAST_IDS(
+	Tox* tox,
+	NGC_EXT_CTX* ngc_ext_ctx,
+
+	uint32_t group_number,
+	uint32_t peer_number,
+
+	const uint8_t *data,
+	size_t length,
+	void* user_data
+);
+
+void _handle_HS1_ft_request_message(
+	Tox *tox, NGC_EXT_CTX* ngc_ext_ctx,
+	uint32_t group_number,
+	uint32_t peer_number,
+	const uint8_t* file_id, size_t file_id_size
+);
+
+bool _handle_HS1_ft_init_message(
+	Tox *tox, NGC_EXT_CTX* ngc_ext_ctx,
+	uint32_t group_number,
+	uint32_t peer_number,
+	const uint8_t* file_id, size_t file_id_size,
+	const uint8_t transfer_id,
+	const size_t file_size
+);
+