eliminate extra parsing of RouterInfo coming as RouterInfo block

libi2pd/NTCP2.cpp

@@ -956,8 +956,7 @@ namespace transport
 				case eNTCP2BlkRouterInfo:
 				{
 					LogPrint (eLogDebug, "NTCP2: RouterInfo flag=", (int)frame[offset]);	
-					i2p::data::RouterInfo ri (frame + offset + 1, size - 1);	
-					auto newRi = i2p::data::netdb.AddRouterInfo (ri.GetBuffer (), ri.GetBufferLen ());
+					auto newRi = i2p::data::netdb.AddRouterInfo (frame + offset + 1, size - 1);
 					if (newRi)
 					{
 						auto remoteIdentity = GetRemoteIdentity ();

libi2pd/SSU2Session.cpp

@@ -1749,12 +1749,19 @@ namespace transport
 	}
 
 	void SSU2Session::HandleRouterInfo (const uint8_t * buf, size_t len)
+	{
+		if (len < 2) return;
+		// not from SessionConfirmed, we must add it instantly to use in next block
+		std::shared_ptr<const i2p::data::RouterInfo> newRi;
+		if (buf[0] & SSU2_ROUTER_INFO_FLAG_GZIP) // compressed?
 		{	
 			auto ri = ExtractRouterInfo (buf, len);
 			if (ri)
-		{	
-			// not from SessionConfirmed, we must add it instantly to use in next block
-			auto newRi = i2p::data::netdb.AddRouterInfo (ri->GetBuffer (), ri->GetBufferLen ());	// TODO: add ri
+				newRi = i2p::data::netdb.AddRouterInfo (ri->GetBuffer (), ri->GetBufferLen ());
+		}	
+		else // use buffer directly. TODO: handle frag
+			newRi = i2p::data::netdb.AddRouterInfo (buf + 2, len - 2);
+
 		if (newRi)
 		{
 			auto remoteIdentity = GetRemoteIdentity ();
@@ -1772,7 +1779,6 @@ namespace transport
 			}	
 		}		
 	}	
-	}	
 		
 	void SSU2Session::HandleAck (const uint8_t * buf, size_t len)
 	{