# File lib/net/ssh/connection/channel.rb, line 515
515:       def do_open_failed(reason_code, description)
516:         if @on_open_failed
517:           @on_open_failed.call(self, reason_code, description)
518:         else
519:           raise ChannelOpenFailed.new(reason_code, description)
520:         end          
521:       end