Class: Cisco::ShowRoute

Inherits:
Parser show all
Defined in:
lib/netutils/cli/cisco/showroute.rb

Constant Summary

Constants inherited from FSM

FSM::FSM_S_INIT

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Parser

#add, #parse, #regexp

Methods inherited from FSM

#add, #cb, #changeto, #state_name

Constructor Details

#initialize ⇒ ShowRoute

Returns a new instance of ShowRoute.



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# File 'lib/netutils/cli/cisco/showroute.rb', line 13

def initialize
  @rib = RIB.new
  super
  # % Network not in table
  # Routing entry for 192.168.0.0/24
  add('Init',  :init)
    #   Known via "connected", distance 0, metric 0 (connected, via interface)
  add('Protocol',  :protocol, /  Known via "([^"]+)",.*$/)
  add('Descriptor',  :descriptor)
  #   * 192.168.0.200
    #   * directly connected, via Vlan4000
  #   * 192.168.0.1, from 192.168.0.1, 00:00:19 ago, via Vlan9999
  add('Nexthop', :nexthop, /^  \* ([^ ,]+)(?:,? .*, via ([^ ]+)|)$/)
        #       Route metric is 0, traffic share count is 1
  add('Metric',  :metric, /^      Route metric is .*$/)
end

Instance Attribute Details

#rib ⇒ Object (readonly)

Returns the value of attribute rib.



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# File 'lib/netutils/cli/cisco/showroute.rb', line 7

def rib
  @rib
end

Instance Method Details

#cmd(ia) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 9

def cmd(ia)
  "show ip route vrf \* #{ia}"
end

#descriptor(l, m) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 45

def descriptor(l, m)
    #   Routing Descriptor Blocks:
  case l
  when /^  Routing Descriptor Blocks:$/
    changeto('Nexthop')
  when /^  Redistributing via /, /^  Advertised by /
  end
end

#init(l, m) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 30

def init(l, m)
  return if l =~ /^% .* not in table/
  return if l =~ /^$/
  if l !~ /^Routing entry for ([0-9\.\/]+)(?:, supernet)?$/
    raise "Invalid format: #{l}"
  end
  @dst = $1
  changeto('Protocol')
end

#metric(l, m) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 67

def metric(l, m)
  @rib.add(@protocol, @dst, @nh, @interface)
  changeto('Init')
end

#nexthop(l, m) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 54

def nexthop(l, m)
  case m[1]
  when 'directly'
    @nh = nil
  when /[0-9\.\/]+/
    @nh = m[1]
  else
    raise "Invalid format: #{l}"
  end
  @interface = m[2]
  changeto('Metric')
end

#protocol(l, m) ⇒ Object 



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# File 'lib/netutils/cli/cisco/showroute.rb', line 40

def protocol(l, m)
  @protocol = m[1]
  changeto('Descriptor')
end