Added literal server hello

server.go

@@ -164,10 +164,22 @@ func(server *Server) run() {
         }
 
         session.remote = client_addr
-        server.Log("Got SESSION_CONNECT for client %s at address %s", session.Peer, session.remote) 
-
+        server.Log("Got SESSION_CONNECT for session %s at address %s", session.ID, session.remote) 
         
         // TODO: Send server hello back
+        server_hello, err := NewSessionData(session, []byte("hello"))
+        if err != nil {
+          server.Log("Error generating server hello: %s", err)
+          continue
+        }
+
+        _, err = server.connection.WriteToUDP(server_hello, session.remote)
+        if err != nil {
+          server.Log("Error sending server hello: %s", err)
+          continue
+        }
+        server.Log("Sent server_hello for %s", session.ID) 
+
       case SESSION_CLOSE:
         session_id := SessionID(buf[COMMAND_LENGTH:COMMAND_LENGTH+ID_LENGTH])
         session, exists := server.sessions[session_id]