set SSU2 port +1 if not specified

daemon/Daemon.cpp

@@ -257,7 +257,7 @@ namespace util
 		if (ssu2)
 		{
 			uint16_t ssu2port; i2p::config::GetOption("ssu2.port", ssu2port);
-			if (!ssu2port) ssu2port = port;
+			if (!ssu2port) ssu2port = ssu ? (port + 1) : port;
 			bool published; i2p::config::GetOption("ssu2.published", published);
 			if (published)
 				i2p::context.PublishSSU2Address (ssu2port, true, ipv4, ipv6); // publish

libi2pd/RouterContext.cpp

@@ -121,7 +121,11 @@ namespace i2p
 			if (ssu2)
 			{
 				if (ssu2Published)
-					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v4::from_string (host), port);
+				{
+					uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
+					if (!ssu2Port) ssu2Port = ssu ? (port + 1) : port;
+					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v4::from_string (host), ssu2Port);
+				}	
 				else
 				{
 					addressCaps |= i2p::data::RouterInfo::AddressCaps::eV4;
@@ -166,7 +170,11 @@ namespace i2p
 			if (ssu2)
 			{
 				if (ssu2Published)
-					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v6::from_string (host), port);
+				{
+					uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
+					if (!ssu2Port) ssu2Port = ssu ? (port + 1) : port;
+					routerInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address_v6::from_string (host), ssu2Port);
+				}	
 				else
 				{
 					if (!ipv4) // no other ssu2 addresses yet
@@ -734,15 +742,12 @@ namespace i2p
 			}
 			if (!port) i2p::config::GetOption("port", port);
 			// SSU
-			if (!foundSSU)
-			{
 			bool ssu; i2p::config::GetOption("ssu", ssu);
-				if (ssu)
+			if (!foundSSU && ssu)
 			{
 				std::string host = "::1"; // TODO: read host
 				m_RouterInfo.AddSSUAddress (host.c_str (), port, nullptr);
 			}
-			}
 			// NTCP2
 			if (!foundNTCP2)
 			{
@@ -775,7 +780,7 @@ namespace i2p
 					if (ssu2Published)
 					{
 						uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
-						if (!ssu2Port) ssu2Port = port;
+						if (!ssu2Port) ssu2Port = ssu ? (port + 1) : port;
 						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address::from_string ("::1"), ssu2Port);
 					}
 					else
@@ -823,12 +828,10 @@ namespace i2p
 			}
 			if (!port) i2p::config::GetOption("port", port);
 			// SSU
-			if (!foundSSU)
-			{
 			bool ssu; i2p::config::GetOption("ssu", ssu);
-				if (ssu)
+			if (!foundSSU && ssu)
 				m_RouterInfo.AddSSUAddress (host.c_str (), port, nullptr);
-			}
+
 			// NTCP2
 			if (!foundNTCP2)
 			{
@@ -856,7 +859,7 @@ namespace i2p
 					if (ssu2Published)
 					{
 						uint16_t ssu2Port; i2p::config::GetOption ("ssu2.port", ssu2Port);
-						if (!ssu2Port) ssu2Port = port;
+						if (!ssu2Port) ssu2Port = ssu ? (port + 1) : port;
 						m_RouterInfo.AddSSU2Address (m_SSU2Keys->staticPublicKey, m_SSU2Keys->intro, boost::asio::ip::address::from_string ("127.0.0.1"), ssu2Port);
 					}
 					else

libi2pd/RouterInfo.cpp

@@ -708,6 +708,7 @@ namespace data
 	{
 		auto addr = std::make_shared<Address>();
 		addr->transportStyle = eTransportSSU2;
+		addr->port = 0;
 		addr->caps = caps;
 		addr->date = 0;
 		addr->ssu.reset (new SSUExt ());

libi2pd/SSU2.cpp

@@ -49,8 +49,9 @@ namespace transport
 						if (ssu2Port) port = ssu2Port;
 						else
 						{
+							bool ssu;   i2p::config::GetOption("ssu", ssu);
 							uint16_t p; i2p::config::GetOption ("port", p);
-							if (p) port = p;
+							if (p) port = ssu ? (p + 1) : p;
 						}
 					}
 					if (port)