class NetCrawl

Constants

CFG
Config
DNS
Log

Attributes

hosts[R]

Public Class Methods

new() click to toggle source

# File lib/netcrawl.rb, line 39
def initialize
  @methods = []
  @hosts   = {}
  @poll    = PollMap.new
  CFG.use.each do |method|
    begin
      method = File.basename method.to_s
      file = 'netcrawl/method/' + method.downcase
      require_relative file
      @methods.push NetCrawl.const_get(method)
    rescue NameError, LoadError
      raise MethodNotFound, "unable to find method '#{method}'"
    end
  end
end

Public Instance Methods

crawl(host) click to toggle source

@param [String] host host to start crawl from @return [NetCrawl::Output]

# File lib/netcrawl.rb, line 9
def crawl host
  recurse host
  Output.new @hosts, @poll
end

get(host) click to toggle source

@param [String] host host to get list of peers from @return [Array] list of peers seen connected to host

# File lib/netcrawl.rb, line 16
def get host
  peers = []
  @methods.each do |method|
    peers += method.send(:peers, host)
  end
  peers.uniq { |peer| peer.ip }
end

recurse(host) click to toggle source

Given string of IP address, recurses through peers seen and populates @hosts hash @param [String] host host to start recurse from @return [void]

# File lib/netcrawl.rb, line 27
def recurse host
  peers = get host
  @hosts[host] = peers
  peers.each do |peer|
    next if     @hosts.has_key? peer.ip
    next unless @poll.include?  peer.ip
    crawl peer.ip
  end
end