code: def getTCPportConnCount(self, ipv4=True, ipv6=True, resolve_ports=False,
                              **kwargs):
          
          port_dict = {}
          result = self.getStats(tcp=True, udp=False, 
                                 include_listen=False, ipv4=ipv4, 
                                 ipv6=ipv6, resolve_ports=resolve_ports,
                                 **kwargs)
          stats = result['stats']
          for stat in stats:
              if stat[8] == 'ESTABLISHED':
                  port_dict[stat[5]] = port_dict.get(5, 0) + 1
          return port_dict
docs: Returns TCP connection counts for each local port.
          
          @param ipv4:          Include IPv4 ports in output if True.
          @param ipv6:          Include IPv6 ports in output if True.
          @param resolve_ports: Resolve numeric ports to names if True.
          @param **kwargs:      Keyword variables are used for filtering the 
                                results depending on the values of the columns. 
                                Each keyword must correspond to a field name with 
                                an optional suffix:
                                field:          Field equal to value or in list 
                                                of values.
                                field_ic:       Field equal to value or in list of 
                                                values, using case insensitive 
                                                comparison.
                                field_regex:    Field matches regex value or 
                                                matches with any regex in list of 
                                                values.
                                field_ic_regex: Field matches regex value or 
                                                matches with any regex in list of 
                                                values using case insensitive 
                                                match.
          @return:              Dictionary mapping port number or name to the
                                number of established connections.