ryu/build/lib.linux-armv7l-2.7/ryu/services/protocols/bgp/operator/commands/show/route_formatter_mixin.py

   1 import six
   2
   3
   4 class RouteFormatterMixin(object):
   5
   6     fmtstr = ' {0:<3s} {1:<32s} {2:<8s} {3:<20s} {4:<15s} '\
   7         '{5:<6s} {6:<6s} {7:<}\n'
   8
   9     @classmethod
  10     def _format_family_header(cls):
  11         ret = ''
  12         ret += ('Status codes: * valid, > best\n')
  13         ret += ('Origin codes: i - IGP, e - EGP, ? - incomplete\n')
  14         ret += cls.fmtstr.format('', 'Network', 'Labels', 'Next Hop', 'Reason',
  15                                  'Metric', 'LocPrf', 'Path')
  16         return ret
  17
  18     @classmethod
  19     def _format_family(cls, dest_list):
  20         msg = six.StringIO()
  21
  22         def _append_path_info(buff, path, is_best, show_prefix):
  23             aspath = path.get('aspath')
  24             origin = path.get('origin')
  25             if origin:
  26                 aspath.append(origin)
  27
  28             bpr = path.get('bpr')
  29             next_hop = path.get('nexthop')
  30             med = path.get('metric')
  31             labels = path.get('labels')
  32             localpref = path.get('localpref')
  33             # Construct path status string.
  34             path_status = '*'
  35             if is_best:
  36                 path_status += '>'
  37
  38             # Check if we want to show prefix.
  39             prefix = ''
  40             if show_prefix:
  41                 prefix = path.get('prefix')
  42
  43             # Append path info to String buffer.
  44             buff.write(cls.fmtstr.format(path_status, prefix, str(labels),
  45                                          str(next_hop), bpr, str(med),
  46                                          str(localpref),
  47                                          ' '.join(map(str, aspath))))
  48
  49         for dist in dest_list:
  50             for idx, path in enumerate(dist.get('paths')):
  51                 _append_path_info(msg, path, path['best'], (idx == 0))
  52         ret = msg.getvalue()
  53         msg.close()
  54         return ret