Extend transit tunnels limit to 4 bytes. Bump default value to 10K

daemon/Daemon.cpp

@@ -179,7 +179,7 @@ namespace util
 
 		bool transit; i2p::config::GetOption("notransit", transit);
 		i2p::context.SetAcceptsTunnels (!transit);
-		uint16_t transitTunnels; i2p::config::GetOption("limits.transittunnels", transitTunnels);
+		uint32_t transitTunnels; i2p::config::GetOption("limits.transittunnels", transitTunnels);
 		if (isFloodfill && i2p::config::IsDefault ("limits.transittunnels"))
 			transitTunnels *= 2; // double default number of transit tunnels for floodfill
 		i2p::tunnel::tunnels.SetMaxNumTransitTunnels (transitTunnels);

daemon/HTTPServer.cpp

@@ -772,7 +772,7 @@ namespace http {
 		s << "  <a class=\"button" << (loglevel == eLogInfo     ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=info&token=" << token << "\"> info </a> \r\n";
 		s << "  <a class=\"button" << (loglevel == eLogDebug    ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=debug&token=" << token << "\"> debug </a><br>\r\n<br>\r\n";
 
-		uint16_t maxTunnels = i2p::tunnel::tunnels.GetMaxNumTransitTunnels ();
+		uint32_t maxTunnels = i2p::tunnel::tunnels.GetMaxNumTransitTunnels ();
 		s << "<b>" << tr("Transit tunnels limit") << "</b><br>\r\n";
 		s << "<form method=\"get\" action=\"" << webroot << "\">\r\n";
 		s << "  <input type=\"hidden\" name=\"cmd\" value=\"" << HTTP_COMMAND_LIMITTRANSIT << "\">\r\n";

daemon/HTTPServer.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2023, The PurpleI2P Project
+* Copyright (c) 2013-2024, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -25,7 +25,7 @@ namespace http
 	const size_t HTTP_CONNECTION_BUFFER_SIZE = 8192;
 	const int TOKEN_EXPIRATION_TIMEOUT = 30; // in seconds
 	const int COMMAND_REDIRECT_TIMEOUT = 5; // in seconds
-	const int TRANSIT_TUNNELS_LIMIT = 65535;
+	const int TRANSIT_TUNNELS_LIMIT = 1000000;
 
 	class HTTPConnection: public std::enable_shared_from_this<HTTPConnection>
 	{

libi2pd/Config.cpp

@@ -77,7 +77,7 @@ namespace config {
 		limits.add_options()
 			("limits.coresize", value<uint32_t>()->default_value(0),          "Maximum size of corefile in Kb (0 - use system limit)")
 			("limits.openfiles", value<uint16_t>()->default_value(0),         "Maximum number of open files (0 - use system default)")
-			("limits.transittunnels", value<uint16_t>()->default_value(5000), "Maximum active transit tunnels (default:5000)")
+			("limits.transittunnels", value<uint32_t>()->default_value(10000), "Maximum active transit tunnels (default:10000)")
 			("limits.zombies", value<double>()->default_value(0),             "Minimum percentage of successfully created tunnels under which tunnel cleanup is paused (default [%]: 0.00)")
 			("limits.ntcpsoft", value<uint16_t>()->default_value(0),          "Ignored")
 			("limits.ntcphard", value<uint16_t>()->default_value(0),          "Ignored")

libi2pd/Tunnel.cpp

@@ -986,7 +986,7 @@ namespace tunnel
 		return m_OutboundTunnels.size();
 	}
 
-	void Tunnels::SetMaxNumTransitTunnels (uint16_t maxNumTransitTunnels)
+	void Tunnels::SetMaxNumTransitTunnels (uint32_t maxNumTransitTunnels)
 	{
 		if (maxNumTransitTunnels > 0 && m_MaxNumTransitTunnels != maxNumTransitTunnels)
 		{

libi2pd/Tunnel.h

@@ -238,8 +238,8 @@ namespace tunnel
 
 			std::shared_ptr<I2NPMessage> NewI2NPTunnelMessage (bool endpoint);
 
-			void SetMaxNumTransitTunnels (uint16_t maxNumTransitTunnels);
+			void SetMaxNumTransitTunnels (uint32_t maxNumTransitTunnels);
-			uint16_t GetMaxNumTransitTunnels () const { return m_MaxNumTransitTunnels; };
+			uint32_t GetMaxNumTransitTunnels () const { return m_MaxNumTransitTunnels; };
 			int GetCongestionLevel() const { return CONGESTION_LEVEL_FULL * m_TransitTunnels.size() / m_MaxNumTransitTunnels; }
 
 		private:
@@ -300,7 +300,7 @@ namespace tunnel
 			i2p::util::Queue<std::shared_ptr<I2NPMessage> > m_Queue;
 			i2p::util::MemoryPoolMt<I2NPMessageBuffer<I2NP_TUNNEL_ENPOINT_MESSAGE_SIZE> > m_I2NPTunnelEndpointMessagesMemoryPool;
 			i2p::util::MemoryPoolMt<I2NPMessageBuffer<I2NP_TUNNEL_MESSAGE_SIZE> > m_I2NPTunnelMessagesMemoryPool;
-			uint16_t m_MaxNumTransitTunnels;
+			uint32_t m_MaxNumTransitTunnels;
 			// count of tunnels for total TCSR algorithm
 			int m_TotalNumSuccesiveTunnelCreations, m_TotalNumFailedTunnelCreations;
 			double m_TunnelCreationSuccessRate;