class Dnsruby::Hosts

Dnsruby::Hosts class

Dnsruby::Hosts is a hostname resolver that uses the system hosts file

class methods

methods

Constants

DefaultFileName

Public Class Methods

new(filename = DefaultFileName) click to toggle source

Creates a new Dnsruby::Hosts using filename for its data source

# File lib/dnsruby/hosts.rb, line 43
def initialize(filename = DefaultFileName)
  @filename = filename
  @mutex = Mutex.new
  @initialized = nil
end

Public Instance Methods

each_address(name, &proc) click to toggle source

Iterates over all IP addresses for name retrieved from the hosts file

# File lib/dnsruby/hosts.rb, line 102
def each_address(name, &proc)
  lazy_initialize
  if @name2addr.include?(name)
    @name2addr[name].each(&proc)
  end
end
each_name(address, &proc) click to toggle source

Iterates over all hostnames for address retrieved from the hosts file

# File lib/dnsruby/hosts.rb, line 123
def each_name(address, &proc)
  lazy_initialize
  if @addr2name.include?(address)
    @addr2name[address].each(&proc)
  end
end
getaddress(name) click to toggle source

Gets the first IP address for name from the hosts file

# File lib/dnsruby/hosts.rb, line 89
def getaddress(name)
  each_address(name) {|address| return address}
  raise ResolvError.new("#{@filename} has no name: #{name}")
end
getaddresses(name) click to toggle source

Gets all IP addresses for name from the hosts file

# File lib/dnsruby/hosts.rb, line 95
def getaddresses(name)
  ret = []
  each_address(name) {|address| ret << address}
  return ret
end
getname(address) click to toggle source

Gets the first hostname of address from the hosts file

# File lib/dnsruby/hosts.rb, line 110
def getname(address)
  each_name(address) {|name| return name}
  raise ResolvError.new("#{@filename} has no address: #{address}")
end
getnames(address) click to toggle source

Gets all hostnames for address from the hosts file

# File lib/dnsruby/hosts.rb, line 116
def getnames(address)
  ret = []
  each_name(address) {|name| ret << name}
  return ret
end