update readme

README.md

@@ -13,6 +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 ~400KiB/s.
 
 ## Usage
 
@@ -56,5 +57,9 @@ $ tox_ngc_ft1_tool
  --ft_sending_resend_without_ack_after
  --ft_sending_give_up_after
  --ft_packet_window_size
+
+ transfer logic:
+ -I <max_incoming_transfers>
+ -O <max_outgoing_transfers>
 ```
 

src/states/sha1.cpp

@@ -269,7 +269,7 @@ void SHA1::onFT1SendDataSHA1Info(uint32_t group_number, uint32_t peer_number, ui
 		// this transfer is "done" (ft still could have to retransfer)
 		for (auto it = _transfers_requested_info.cbegin(); it != _transfers_requested_info.cend(); it++) {
 			if (std::get<0>(*it) == group_number && std::get<1>(*it) == peer_number && std::get<2>(*it) == transfer_id) {
-				std::cout << "SHA1 info tansfer finished " << std::get<0>(*it) << ":" << std::get<1>(*it) << "." << std::get<2>(*it) << "\n";
+				std::cout << "SHA1 info tansfer finished " << std::get<0>(*it) << ":" << std::get<1>(*it) << "." << int(std::get<2>(*it)) << "\n";
 				_transfers_requested_info.erase(it);
 				break;
 			}