ntcp2.published and ntcp2.port parameters

daemon/Daemon.cpp

@@ -152,6 +152,17 @@ namespace i2p
 			i2p::context.SetSupportsV6		 (ipv6);
 			i2p::context.SetSupportsV4		 (ipv4);
 
+			bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
+			if (ntcp2)
+			{
+				bool published; i2p::config::GetOption("ntcp2.published", published);
+				if (published)
+				{
+					uint16_t port; i2p::config::GetOption("ntcp2.port", port);
+					i2p::context.PublishNTCP2Address (port);
+				}
+			}
+
 			bool transit; i2p::config::GetOption("notransit", transit);
 			i2p::context.SetAcceptsTunnels (!transit);
 			uint16_t transitTunnels; i2p::config::GetOption("limits.transittunnels", transitTunnels);

libi2pd/Config.cpp

@@ -233,7 +233,9 @@ namespace config {
 
 		options_description ntcp2("NTCP2 Options");
 		ntcp2.add_options()
-			("ntcp2.enabled", value<bool>()->default_value(false), "Enable NTCP2 (experimental, default: disabled)")
+			("ntcp2.enabled", value<bool>()->default_value(false), "Enable NTCP2 (default: disabled)")
+		    ("ntcp2.published", value<bool>()->default_value(false), "Publish NTCP2 (default: disabled)")	
+			("ntcp2.port", value<uint16_t>()->default_value(0), "Port to listen for incoming NTCP2 connections (default: auto)")
 		;
 
 		m_OptionsDesc

libi2pd/RouterContext.cpp

@@ -158,6 +158,8 @@ namespace i2p
 
 	void RouterContext::PublishNTCP2Address (int port)
 	{
+		if (!port)
+			port = rand () % (30777 - 9111) + 9111; // I2P network ports range
 		bool updated = false;
 		for (auto& address : m_RouterInfo.GetAddresses ())
 		{