send SSU DeliveryStatus

I2NPProtocol.cpp

@@ -70,8 +70,17 @@ namespace i2p
 	I2NPMessage * CreateDeliveryStatusMsg (uint32_t msgID)
 	{
 		I2NPDeliveryStatusMsg msg;
-		msg.msgID = htobe32 (msgID);
-		msg.timestamp = htobe64 (i2p::util::GetMillisecondsSinceEpoch ());
+		if (msgID)
+		{
+			msg.msgID = htobe32 (msgID);
+			msg.timestamp = htobe64 (i2p::util::GetMillisecondsSinceEpoch ());
+		}
+		else // for SSU establishment
+		{
+			auto rnd = i2p::context.GetRandomNumberGenerator ();
+			msg.msgID = htobe32 (rnd.GenerateWord32 ());
+			msg.timestamp = htobe64 (2); // netID = 2
+ 		}
 		return CreateI2NPMessage (eI2NPDeliveryStatus, (uint8_t *)&msg, sizeof (msg));
 	}
 

RouterInfo.cpp

@@ -217,7 +217,7 @@ namespace data
 				// caps
 				WriteString ("caps", properties);
 				properties << '=';
-				WriteString ("BC", properties); // TODO:
+				WriteString ("B", properties); // TODO: should be 'BC' for introducers
 				properties << ';';
 			}	
 			else

SSU.cpp

@@ -176,7 +176,7 @@ namespace ssu
 				m_State = eSessionStateConfirmedReceived;
 				LogPrint ("Session confirmed received");		
 				m_State = eSessionStateEstablished;
-				// TODO: send DeliverStatus	
+				SendI2NPMessage (CreateDeliveryStatusMsg (0));
 				Established ();
 			}
 			else