refactoring + sha1_info should be requestable

src/states/sha1.hpp

@@ -5,7 +5,9 @@
 #include "../ft_sha1_info.hpp"
 
 #include <mio/mio.hpp>
-#include <unordered_map>
+
+#include <vector>
+#include <deque>
 
 namespace States {
 
@@ -19,11 +21,11 @@ struct SHA1 final : public StateI {
 			const FTInfoSHA1&& sha1_info,
 			const std::vector<uint8_t>&& sha1_info_data,
 			const std::vector<uint8_t>&& sha1_info_hash,
-			std::vector<bool>&& have_chunk = {}
+			std::vector<bool>&& have_chunk
 		);
 		~SHA1(void) override = default;
 
-		bool iterate(void) override;
+		bool iterate(float delta) override;
 		std::unique_ptr<StateI> nextState(void) override;
 
 	public: // callbacks
@@ -39,6 +41,11 @@ struct SHA1 final : public StateI {
 		void onFT1ReceiveDataSHA1Chunk(uint32_t group_number, uint32_t peer_number, uint8_t transfer_id, size_t data_offset, const uint8_t* data, size_t data_size) override;
 		void onFT1SendDataSHA1Chunk(uint32_t group_number, uint32_t peer_number, uint8_t transfer_id, size_t data_offset, uint8_t* data, size_t data_size) override;
 
+	private:
+		// avoids duplicates
+		// clears timer if exists
+		void queueUpRequestInfo(uint32_t group_number, uint32_t peer_number);
+
 	private:
 		mio::mmap_source _file_map;
 		const FTInfoSHA1 _sha1_info;
@@ -48,6 +55,11 @@ struct SHA1 final : public StateI {
 		// index is the same as for info
 		std::vector<bool> _have_chunk;
 		bool _have_all {false};
+
+		// group_number, peer_number
+		std::deque<std::pair<uint32_t, uint32_t>> _queue_requested_info;
+		// group_number, peer_number, transfer_id, second since (remote) activity
+		std::vector<std::tuple<uint32_t, uint32_t, uint8_t, float>> _transfers_requested_info;
 };
 
 } // States