receive info

src/ngcft1.cpp

@@ -560,6 +560,19 @@ bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data& e) {
 		sendPKG_FT1_DATA_ACK(e.group_number, e.peer_number, e.transfer_id, ack_seq_ids.data(), ack_seq_ids.size());
 	}
 
+
+	if (transfer.file_size_current == transfer.file_size) {
+		// TODO: set all data received, and clean up
+		//transfer.state = Group::Peer::RecvTransfer::State::RECV;
+		dispatch(
+			NGCFT1_Event::recv_done,
+			Events::NGCFT1_recv_done{
+				e.group_number, e.peer_number,
+				e.transfer_id
+			}
+		);
+	}
+
 	return true;
 }
 

src/sha1_ngcft1.cpp

@@ -126,6 +126,11 @@ void SHA1_NGCFT1::updateMessages(ContentHandle ce) {
 		if (ce.all_of<Message::Components::Transfer::BytesSent>()) {
 			msg.emplace_or_replace<Message::Components::Transfer::BytesSent>(ce.get<Message::Components::Transfer::BytesSent>());
 		}
+		if (ce.all_of<Message::Components::Transfer::TagPaused>()) {
+			msg.emplace_or_replace<Message::Components::Transfer::TagPaused>();
+		} else {
+			msg.remove<Message::Components::Transfer::TagPaused>();
+		}
 		if (auto* cc = ce.try_get<Components::FT1ChunkSHA1Cache>(); cc != nullptr && cc->have_all) {
 			msg.emplace_or_replace<Message::Components::Transfer::TagHaveAll>();
 		}
@@ -169,7 +174,6 @@ void SHA1_NGCFT1::iterate(float delta) {
 
 				// if we have not heard for 10sec, timeout
 				if (it->second.time_since_activity >= 10.f) {
-					//std::cerr << "SHA1_NGCFT1 warning: sending chunk tansfer timed out " << std::get<0>(*it) << ":" << std::get<1>(*it) << "." << int(std::get<2>(*it)) << "\n";
 					std::cerr << "SHA1_NGCFT1 warning: sending tansfer timed out " << "." << int(it->first) << "\n";
 					it = peer_it->second.erase(it);
 				} else {
@@ -184,18 +188,30 @@ void SHA1_NGCFT1::iterate(float delta) {
 				peer_it++;
 			}
 		}
-		//for (auto it = _transfers_sending_chunk.begin(); it != _transfers_sending_chunk.end();) {
-			//float& time_since_remove_activity = std::get<float>(*it);
-			//time_since_remove_activity += delta;
 
-			//// if we have not heard for 10sec, timeout
+		// receiving transfers
-			//if (time_since_remove_activity >= 10.f) {
+		for (auto peer_it = _receiving_transfers.begin(); peer_it != _receiving_transfers.end();) {
-				//std::cerr << "SHA1 sending chunk tansfer timed out " << std::get<0>(*it) << ":" << std::get<1>(*it) << "." << int(std::get<2>(*it)) << "\n";
+			for (auto it = peer_it->second.begin(); it != peer_it->second.end();) {
-				//it = _transfers_sending_chunk.erase(it);
+				it->second.time_since_activity += delta;
-			//} else {
+
-				//it++;
+				// if we have not heard for 10sec, timeout
-			//}
+				if (it->second.time_since_activity >= 10.f) {
-		//}
+					std::cerr << "SHA1_NGCFT1 warning: receiving tansfer timed out " << "." << int(it->first) << "\n";
+					// TODO: if info, requeue? or just keep the timer comp? - no, timer comp will continue ticking, even if loading
+					//it->second.v
+					it = peer_it->second.erase(it);
+				} else {
+					it++;
+				}
+			}
+
+			if (peer_it->second.empty()) {
+				// cleanup unused peers too agressive?
+				peer_it = _receiving_transfers.erase(peer_it);
+			} else {
+				peer_it++;
+			}
+		}
 
 		// queued requests
 		for (auto it = _queue_requested_chunk.begin(); it != _queue_requested_chunk.end();) {
@@ -445,13 +461,66 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_init& e) {
 		return false;
 	}
 
+	// TODO: make sure we requested this?
+
+	if (e.file_kind == NGCFT1_file_kind::HASH_SHA1_INFO) {
+		SHA1Digest sha1_info_hash {e.file_id, e.file_id_size};
+		if (!_info_to_content.count(sha1_info_hash)) {
+			// no idea about this content
 			return false;
 		}
 
-bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_data& e) {
+		auto ce = _info_to_content.at(sha1_info_hash);
+
+		if (ce.any_of<Components::FT1InfoSHA1, Components::FT1InfoSHA1Data, Components::FT1ChunkSHA1Cache>()) {
+			// we already have the info (should)
 			return false;
 		}
 
+		// TODO: check if e.file_size too large / ask for permission
+		if (e.file_size > 100*1024*1024) {
+			// a info size of 100MiB is ~640GiB for a 128KiB chunk size (default)
+			return false;
+		}
+
+		_receiving_transfers
+			[combineIds(e.group_number, e.peer_number)]
+			[e.transfer_id]
+				.v = ReceivingTransfer::Info{ce, std::vector<uint8_t>(e.file_size)};
+
+		e.accept = true;
+	} else {
+		// TODO assert
+		return false;
+	}
+
+	return true;
+}
+
+bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_data& e) {
+	if (!_receiving_transfers.count(combineIds(e.group_number, e.peer_number))) {
+		return false;
+	}
+
+	auto& peer_transfers = _receiving_transfers.at(combineIds(e.group_number, e.peer_number));
+	if (!peer_transfers.count(e.transfer_id)) {
+		return false;
+	}
+
+	auto& tv = peer_transfers[e.transfer_id].v;
+	if (std::holds_alternative<ReceivingTransfer::Info>(tv)) {
+		auto& info_data = std::get<ReceivingTransfer::Info>(tv).info_data;
+		for (size_t i = 0; i < e.data_size && i + e.data_offset < info_data.size(); i++) {
+			info_data[i+e.data_offset] = e.data[i];
+		}
+	} else {
+		// TODO: handle chunks
+		// error/ assert
+	}
+
+	return true;
+}
+
 bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_send_data& e) {
 	if (!_sending_transfers.count(combineIds(e.group_number, e.peer_number))) {
 		return false;
@@ -502,9 +571,67 @@ bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_send_data& e) {
 }
 
 bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_recv_done& e) {
+	if (!_receiving_transfers.count(combineIds(e.group_number, e.peer_number))) {
 		return false;
 	}
 
+	auto& peer_transfers = _receiving_transfers.at(combineIds(e.group_number, e.peer_number));
+	if (!peer_transfers.count(e.transfer_id)) {
+		return false;
+	}
+
+	const auto& tv = peer_transfers[e.transfer_id].v;
+	if (std::holds_alternative<ReceivingTransfer::Info>(tv)) {
+		auto& info = std::get<ReceivingTransfer::Info>(tv);
+		auto ce = info.content;
+
+		if (ce.any_of<Components::FT1InfoSHA1, Components::FT1InfoSHA1Data>()) {
+			// we already have the info, discard
+			peer_transfers.erase(e.transfer_id);
+			return true;
+		}
+
+		// check if data matches hash
+		auto hash = hash_sha1(info.info_data.data(), info.info_data.size());
+
+		assert(ce.all_of<Components::FT1InfoSHA1Hash>());
+		if (ce.get<Components::FT1InfoSHA1Hash>().hash != hash) {
+			std::cerr << "SHA1_NGCFT1 error: got info data mismatching its hash\n";
+			// requeue info request
+			peer_transfers.erase(e.transfer_id);
+			return true;
+		}
+
+		const auto& info_data = ce.emplace_or_replace<Components::FT1InfoSHA1Data>(std::move(info.info_data)).data;
+		auto& ft_info = ce.emplace_or_replace<Components::FT1InfoSHA1>();
+		ft_info.fromBuffer(info_data);
+
+		{ // file info
+			// TODO: not overwrite fi? since same?
+			auto& file_info = ce.emplace_or_replace<Message::Components::Transfer::FileInfo>();
+			file_info.file_list.emplace_back() = {ft_info.file_name, ft_info.file_size};
+			file_info.total_size = ft_info.file_size;
+		}
+
+		std::cout << "SHA1_NGCFT1: got info for [" << SHA1Digest{hash} << "]\n" << ft_info << "\n";
+
+		ce.remove<Components::ReRequestInfoTimer>();
+		if (auto it = std::find(_queue_content_want_info.begin(), _queue_content_want_info.end(), ce); it != _queue_content_want_info.end()) {
+			_queue_content_want_info.erase(it);
+		}
+
+		ce.emplace_or_replace<Message::Components::Transfer::TagPaused>();
+
+		updateMessages(ce);
+	} else if (std::holds_alternative<ReceivingTransfer::Chunk>(tv)) {
+		updateMessages(std::get<ReceivingTransfer::Chunk>(tv).content); // mostly for received bytes
+	}
+
+	peer_transfers.erase(e.transfer_id);
+
+	return true;
+}
+
 bool SHA1_NGCFT1::onEvent(const Events::NGCFT1_send_done& e) {
 	if (!_sending_transfers.count(combineIds(e.group_number, e.peer_number))) {
 		return false;