# File lib/net/ssh/service/forward/remote-network-handler.rb, line 40
          def on_open( channel, c_addr, c_port, o_addr, o_port )
            @client = TCPSocket.new( @local_host, @local_port )

            Thread.new do
              begin
                loop do
                  break if channel[:eof]
                  data = ""
                  while IO.select([@client],nil,nil,0.01)
                    data << @client.recv(@block_size)
                  end
                  channel.send_data data unless data.empty?
                end
              rescue Exception => e
                @log.error "error while forwarding remote port: " +
                  "#{e.class}: #{e.message}\n  " +
                  e.backtrace.join( "\n  " )
              ensure
                channel.close
              end
            end
          end