README.md

@@ -13,7 +13,7 @@ this will print this tools tox_id and the generated info_hash
 
 this will first download the info using the info_hash and then all the file chunks listed in the info
 while simultaneously resharing allready downloaded chunks and info (swarming)
-to increase the amount of parallel chunk down/up loads, you can increase the value with the -I and -O option. the default for -I is 32 and for -O 16, which are relatively low numbers, which in practice can get you up to ~700KiB/s.
+to increase the amount of parallel chunk down/up loads, you can increase the value with the -I and -O option. the default for -I is 32 and for -O 16, which are relatively low numbers, which in practice can get you up to ~400KiB/s.
 
 ## Usage
 

src/command_line.hpp

@@ -57,15 +57,15 @@ struct CommandLine {
 
 	// advanced FT1:
 	// --ft_ack_per_packet
-	size_t ft_acks_per_packet {3};
+	size_t ft_acks_per_packet {5};
 	// --ft_init_retry_timeout_after
-	float ft_init_retry_timeout_after {5.f};
+	float ft_init_retry_timeout_after {10.f};
 	// --ft_sending_resend_without_ack_after
-	float ft_sending_resend_without_ack_after {3.f};
+	float ft_sending_resend_without_ack_after {5.f};
 	// --ft_sending_give_up_after
 	float ft_sending_give_up_after {30.f};
 	// --ft_packet_window_size
-	size_t ft_packet_window_size {8};
+	size_t ft_packet_window_size {5};
 
 	// ---- TODO ----
 

src/states/receive_start_sha1.cpp

@@ -47,25 +47,22 @@ bool ReceiveStartSHA1::iterate(float delta) {
 		}
 	} else if (_time_since_last_request >= 15.f) { // blast ever 15sec
 		_time_since_last_request = 0.f;
-
+		// TODO: select random and try, not blas
+		// ... and we are blasing
 		_tcl.forEachGroup([this](const uint32_t group_number) {
-			_tcl.forEachGroupPeer(group_number, [this, group_number](uint32_t peer_number) {
+			_tcl.forEachGroupPeer(group_number, [this, group_number](uint32_t peer_number, Tox_Connection connection_status) {
 				_tcl.sendFT1RequestPrivate(
 					group_number, peer_number,
 					NGC_FT1_file_kind::HASH_SHA1_INFO,
 					_sha1_info_hash.data.data(), _sha1_info_hash.size()
 				);
-				std::cout
+				std::cout << "ReceiveStartSHA1 sendig info request to " << group_number << ":" << peer_number << " over " << (connection_status == Tox_Connection::TOX_CONNECTION_TCP ? "tcp" : "udp")  <<"\n";
-					<< "ReceiveStartSHA1 sendig info request to "
-					<< group_number << ":" << peer_number
-					<< " over " << (_tcl.getGroupPeerConnectionStatus(group_number, peer_number) == Tox_Connection::TOX_CONNECTION_TCP ? "tcp" : "udp")
-					<< "\n"
-				;
 			});
 		});
 	}
 
 	// if not transfer, request from random peer (equal dist!!)
+	// TODO: return true if done
 	return _done;
 }
 

src/states/sha1.cpp

@@ -30,7 +30,6 @@ SHA1::SHA1(
 {
 	assert(_have_chunk.size() == _sha1_info.chunks.size());
 
-	_udp_only = cl.request_only_from_udp_peer;
 	_max_concurrent_in = cl.max_incoming_transfers;
 	_max_concurrent_out = cl.max_incoming_transfers;
 
@@ -195,21 +194,12 @@ bool SHA1::iterate(float delta) {
 		_peer_speed_mesurement_interval_timer = 0.f; // we lose some time here, but precision is not the issue
 
 		_peer_in_bytes_array_index = (_peer_in_bytes_array_index + 1) % _peer_speed_mesurement_interval_count;
-		//for (const auto& [peer, array] : _peer_in_bytes_array) {
+		for (const auto& [peer, array] : _peer_in_bytes_array) {
-		for (auto it = _peer_in_bytes_array.begin(); it != _peer_in_bytes_array.end();) {
-			const auto& [peer, array] = *it;
-
 			float avg {0.f};
 			for (size_t i = 0; i < array.size(); i++) {
 				avg += array[i];
 			}
 
-			if (avg == 0.f || _tcl.getGroupPeerConnectionStatus(peer.first, peer.second) == Tox_Connection::TOX_CONNECTION_NONE) {
-				_peer_in_speed.erase(peer);
-				it = _peer_in_bytes_array.erase(it);
-				continue;
-			}
-
 			// if 6 mesurment every 0.5sec -> avg is over 3sec -> /3 for /s
 			avg /= _peer_speed_mesurement_interval * _peer_speed_mesurement_interval_count;
 
@@ -217,14 +207,12 @@ bool SHA1::iterate(float delta) {
 			_peer_in_bytes_array[peer][_peer_in_bytes_array_index] = 0;
 
 			_peer_in_speed[peer] = avg;
-
-			it++;
 		}
 
 		_peer_in_targets.clear();
 		_tcl.forEachGroup([this](uint32_t group_number) {
-			_tcl.forEachGroupPeer(group_number, [group_number, this](uint32_t peer_number) {
+			_tcl.forEachGroupPeer(group_number, [group_number, this](uint32_t peer_number, Tox_Connection connection_status) {
-				if (!_udp_only || _tcl.getGroupPeerConnectionStatus(group_number, peer_number) == Tox_Connection::TOX_CONNECTION_UDP) {
+				if (connection_status == Tox_Connection::TOX_CONNECTION_UDP || !_udp_only) {
 					_peer_in_targets.push_back({group_number, peer_number});
 				}
 			});
@@ -290,12 +278,7 @@ bool SHA1::iterate(float delta) {
 		std::cout << "SHA1 cwq:" << _chunk_want_queue.size() << " cwqr:" << _chunks_requested.size() << " trc:" << _transfers_receiving_chunk.size() << " tsc:" << _transfers_sending_chunk.size() << "\n";
 		std::cout << "SHA1 peer down speeds:\n";
 		for (const auto& [peer, speed] : _peer_in_speed) {
-			std::cout
+			std::cout << "    " << peer.first << ":" << peer.second << "(" << _tcl.getGroupPeerName(peer.first, peer.second) << ")" << "\t" << speed / 1024.f << "KiB/s\n";
-				<< "    " << peer.first << ":" << peer.second
-				<< " " << (_tcl.getGroupPeerConnectionStatus(peer.first, peer.second) == Tox_Connection::TOX_CONNECTION_TCP ? "tcp" : "udp")
-				<< " (" << _tcl.getGroupPeerName(peer.first, peer.second) << ")"
-				<< "    " << speed / 1024.f << "KiB/s\n"
-			;
 		}
 	}
 

src/states/sha1.hpp

@@ -57,13 +57,9 @@ struct SHA1 final : public StateI {
 		size_t chunkSize(size_t chunk_index) const;
 		bool haveChunk(const SHA1Digest& hash) const;
 
-	public: // config
+	private:
 		bool _udp_only {false};
 
-		size_t _max_concurrent_in {32};
-		size_t _max_concurrent_out {16};
-
-	private:
 		mio::mmap_sink _file_map; // writable if not all
 		const FTInfoSHA1 _sha1_info;
 		const std::vector<uint8_t> _sha1_info_data;
@@ -83,7 +79,11 @@ struct SHA1 final : public StateI {
 		// chunk_index -> time since request
 		std::map<size_t, float> _chunks_requested;
 
+		size_t _max_concurrent_in {32};
+		size_t _max_concurrent_out {16};
+
 		std::minstd_rand _rng {1337};
+		std::uniform_int_distribution<size_t> _distrib;
 
 		std::unordered_map<SHA1Digest, size_t> _chunk_hash_to_index;
 
@@ -114,6 +114,7 @@ struct SHA1 final : public StateI {
 		// _peer_in_speed feeds directly into _peer_in_targets_dist
 		std::vector<std::pair<uint32_t, uint32_t>> _peer_in_targets;
 		std::discrete_distribution<size_t> _peer_in_targets_dist;
+
 };
 
 } // States

src/tox_client.cpp

@@ -238,10 +238,6 @@ std::string_view ToxClient::getGroupPeerName(uint32_t group_number, uint32_t pee
 	}
 }
 
-TOX_CONNECTION ToxClient::getGroupPeerConnectionStatus(uint32_t group_number, uint32_t peer_number) const {
-	return tox_group_peer_get_connection_status(_tox, group_number, peer_number, nullptr);
-}
-
 void ToxClient::onToxSelfConnectionStatus(TOX_CONNECTION connection_status) {
 	std::cout << "TCL self status: ";
 	switch (connection_status) {
@@ -273,14 +269,14 @@ void ToxClient::onToxGroupPeerName(uint32_t group_number, uint32_t peer_id, std:
 	_groups[group_number][peer_id].name = name;
 }
 
-//void ToxClient::onToxGroupPeerConnection(uint32_t group_number, uint32_t peer_id, TOX_CONNECTION connection_status) {
+void ToxClient::onToxGroupPeerConnection(uint32_t group_number, uint32_t peer_id, TOX_CONNECTION connection_status) {
-	//std::cout << "TCL peer " << group_number << ":" << peer_id << " status: ";
+	std::cout << "TCL peer " << group_number << ":" << peer_id << " status: ";
-	//switch (connection_status) {
+	switch (connection_status) {
-		//case TOX_CONNECTION::TOX_CONNECTION_NONE: std::cout << "offline\n"; break;
+		case TOX_CONNECTION::TOX_CONNECTION_NONE: std::cout << "offline\n"; break;
-		//case TOX_CONNECTION::TOX_CONNECTION_TCP: std::cout << "TCP-relayed\n"; break;
+		case TOX_CONNECTION::TOX_CONNECTION_TCP: std::cout << "TCP-relayed\n"; break;
-		//case TOX_CONNECTION::TOX_CONNECTION_UDP: std::cout << "UDP-direct\n"; break;
+		case TOX_CONNECTION::TOX_CONNECTION_UDP: std::cout << "UDP-direct\n"; break;
-	//}
+	}
-//}
+}
 
 void ToxClient::onToxGroupCustomPacket(uint32_t group_number, uint32_t peer_id, const uint8_t *data, size_t length) {
 	// TODO: signal private?
@@ -314,7 +310,7 @@ void ToxClient::onToxGroupPeerJoin(uint32_t group_number, uint32_t peer_id) {
 	tmp_name.push_back('\0'); // make sure its null terminated
 
 	_groups[group_number][peer_id] = {
-		//tox_group_peer_get_connection_status(_tox, group_number, peer_id, nullptr),
+		tox_group_peer_get_connection_status(_tox, group_number, peer_id, nullptr),
 		reinterpret_cast<const char*>(tmp_name.data())
 	};
 
@@ -329,7 +325,6 @@ void ToxClient::onToxGroupPeerExit(uint32_t group_number, uint32_t peer_id, Tox_
 
 void ToxClient::onToxGroupSelfJoin(uint32_t group_number) {
 	std::cout << "TCL group self join " << group_number << "\n";
-	tox_group_self_set_name(_tox, group_number, reinterpret_cast<const uint8_t*>(_self_name.data()), _self_name.size(), nullptr);
 	// ???
 	// can be triggered after other peers already joined o.o
 	_tox_profile_dirty = true;

src/tox_client.hpp

@@ -34,7 +34,6 @@ struct ToxClient {
 		std::string getOwnAddress(void) const;
 
 		std::string_view getGroupPeerName(uint32_t group_number, uint32_t peer_number) const;
-		TOX_CONNECTION getGroupPeerConnectionStatus(uint32_t group_number, uint32_t peer_number) const;
 
 		template<typename FN>
 		void forEachGroup(FN&& fn) const {
@@ -47,7 +46,8 @@ struct ToxClient {
 		void forEachGroupPeer(uint32_t group_number, FN&& fn) const {
 			if (_groups.count(group_number)) {
 				for (const auto& [peer_number, peer] : _groups.at(group_number)) {
-					fn(peer_number);
+					const auto& [connection_status, name] = peer;
+					fn(peer_number, connection_status);
 				}
 			}
 		}
@@ -56,7 +56,7 @@ struct ToxClient {
 		void onToxSelfConnectionStatus(TOX_CONNECTION connection_status);
 		void onToxFriendRequest(const uint8_t* public_key, std::string_view message);
 		void onToxGroupPeerName(uint32_t group_number, uint32_t peer_id, std::string_view name);
-		//void onToxGroupPeerConnection(uint32_t group_number, uint32_t peer_id, TOX_CONNECTION connection_status);
+		void onToxGroupPeerConnection(uint32_t group_number, uint32_t peer_id, TOX_CONNECTION connection_status);
 		void onToxGroupCustomPacket(uint32_t group_number, uint32_t peer_id, const uint8_t *data, size_t length);
 		void onToxGroupCustomPrivatePacket(uint32_t group_number, uint32_t peer_id, const uint8_t *data, size_t length);
 		void onToxGroupInvite(uint32_t friend_number, const uint8_t* invite_data, size_t invite_length, std::string_view group_name);
@@ -90,10 +90,12 @@ struct ToxClient {
 
 		std::unique_ptr<StateI> _state;
 
+		// key groupid, value set of peer ids
+		//std::map<uint32_t, std::set<uint32_t>> _groups;
 		struct Peer {
+			Tox_Connection connection_status {Tox_Connection::TOX_CONNECTION_NONE};
 			std::string name;
 		};
-		// key groupid, key peerid
 		std::map<uint32_t, std::map<uint32_t, Peer>> _groups;
 };