Receive query                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                                                                                                
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                                                                          ok to connect?                                                                                                                   false
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                      true                                                                      
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                       Connect                                                                                                                  
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                                                                                                                                                
                                                                                       connected?                                                                                              no               
                                                                                                                                                                                                                
                                                                                                                                      yes