Class: Netdisco::Output

Inherits:
Object
  • Object
show all
Defined in:
lib/netdisco/output.rb,
lib/netdisco/output/dot.rb

Defined Under Namespace

Classes: Dot

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(peers, poll_map) ⇒ Output

对象初始化入口函数 将邻居发现清单以及本地的轮询列表清单比对后，格式化输出相关数据



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# File 'lib/netdisco/output.rb', line 10

def initialize(peers, poll_map)
  @peers    = peers
  @poll_map = poll_map
  @resolve  = false
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object

动态方法

Raises:

  • (NoMethodError) 


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# File 'lib/netdisco/output.rb', line 17

def method_missing(name, *args)
  raise NoMethodError, "invalid method #{name} for #{inspect}:#{self.class}" unless name.match?(/to_.*/)
  output = File.basename name[3..-1]
  require_relative "output/" + output
  output = Netdisco::Output.const_get output.capitalize
  output.send :output, self
end

Instance Attribute Details

#peers ⇒ Object (readonly)

类对象属性



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# File 'lib/netdisco/output.rb', line 6

def peers
  @peers
end

#poll_map ⇒ Object (readonly)

类对象属性



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# File 'lib/netdisco/output.rb', line 6

def poll_map
  @poll_map
end

#resolve ⇒ Object (readonly)

类对象属性



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# File 'lib/netdisco/output.rb', line 6

def resolve
  @resolve
end

Instance Method Details

#clean! ⇒ void

This method returns an undefined value.

自动移除非探测名单范围内的设备 remove peers not matching to configured CIDR



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# File 'lib/netdisco/output.rb', line 42

def clean!
  @peers.values.each do |peers|
    peers.delete_if { |peer| not @poll_map.include? peer.ip }
  end
end

#resolve! ⇒ void

This method returns an undefined value.

自动更新设备主机名，并更新解析状态 resolves ip addresses of peers and @peers keys



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# File 'lib/netdisco/output.rb', line 28

def resolve!
  @resolve  = true
  new_peers = {}
  @peers.each do |host, peers|
    peers.each { |peer| peer.name }
    name            = DNS.getname host
    new_peers[name] = peers
  end
  @peers = new_peers
end

#to_a ⇒ Array

Returns of nodes found.

Returns:

  • (Array) —

    of nodes found



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# File 'lib/netdisco/output.rb', line 62

def to_a
  nodes = []
  @peers.each do |host, peers|
    nodes << host
    peers.each do |peer|
      nodes << @resolve ? peer.name : peer.ip
    end
  end
  # 将 nodes 展开为属组并去重排序
  nodes.flatten.uniq
end

#to_h ⇒ Hash

Returns of nodes found.

Returns:

  • (Hash) —

    of nodes found



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# File 'lib/netdisco/output.rb', line 49

def to_h
  hash = {}
  @peers.each do |host, peers|
    array = []
    peers.each do |peer|
      array << peer.to_h
    end
    hash[host] = array
  end
  hash
end

#to_hash ⇒ String

Returns pretty print of hash.

Returns:

  • (String) —

    pretty print of hash



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# File 'lib/netdisco/output.rb', line 75

def to_hash
  require "pp"
  out = ""
  PP.pp(to_h, out)
  out
end

#to_json ⇒ String

Returns json of hosts and peers found.

Returns:

  • (String) —

    json of hosts and peers found



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# File 'lib/netdisco/output.rb', line 90

def to_json
  require "json"
  JSON.generate(to_h)
  # JSON.pretty_generate to_h
end

#to_yaml ⇒ String, Instance

Returns yaml of hosts and peers found.

Returns:

  • (String, Instance) —

    yaml of hosts and peers found



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# File 'lib/netdisco/output.rb', line 83

def to_yaml
  require "yaml"
  File.open("./neighbors.yml", "w") { |file| file.write to_h.to_yaml }
  YAML.dump(to_h)
end