def add_connection(caller_id) #:nodoc:
      connection = TCPROS::Server.new(@caller_id, @topic_name, @topic_type,
                                      :host=>@host,
                                      :latched=>@is_latched,
                                      :last_published_msg=>@last_published_msg)
      connection.start
      connection.id = "#{@topic_name}_out_#{@connection_id_number}"
      @connection_id_number += 1
      @connections.push(connection)
      return connection
    end
def add_connection(caller_id) #:nodoc:
      connection = TCPROS::Server.new(@caller_id, @topic_name, @topic_type,
                                      :host=>@host,
                                      :latched=>@is_latched,
                                      :last_published_msg=>@last_published_msg)
      connection.start
      connection.id = "#{@topic_name}_out_#{@connection_id_number}"
      @connection_id_number += 1
      @connections.push(connection)
      return connection
    end
add tcpros connection as server
 @param [String] caller_id caller_id of subscriber
 @return [TCPROS::Server] connection object