class Dnsruby::Hosts
Dnsruby::Hosts class¶ ↑
Dnsruby::Hosts is a hostname resolver that uses the system hosts file
class methods¶ ↑
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Dnsruby::Hosts.new(hosts=‘/etc/hosts’)
methods¶ ↑
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Dnsruby::Hosts#each_address(name){|address| …}address lookup methods.
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Dnsruby::Hosts#each_name(address){|name| …}hostnames lookup methods.
Constants
- DefaultFileName
Public Class Methods
Source
# File lib/dnsruby/hosts.rb, line 43 def initialize(filename = DefaultFileName) @filename = filename @mutex = Mutex.new @initialized = nil end
Creates a new Dnsruby::Hosts using filename for its data source
Public Instance Methods
Source
# File lib/dnsruby/hosts.rb, line 102 def each_address(name, &proc) lazy_initialize if @name2addr.include?(name) @name2addr[name].each(&proc) end end
Iterates over all IP addresses for name retrieved from the hosts file
Source
# File lib/dnsruby/hosts.rb, line 123 def each_name(address, &proc) lazy_initialize if @addr2name.include?(address) @addr2name[address].each(&proc) end end
Iterates over all hostnames for address retrieved from the hosts file
Source
# 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
Gets the first IP address for name from the hosts file
Source
# File lib/dnsruby/hosts.rb, line 95 def getaddresses(name) ret = [] each_address(name) {|address| ret << address} return ret end
Gets all IP addresses for name from the hosts file
Source
# 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
Gets the first hostname of address from the hosts file
Source
# File lib/dnsruby/hosts.rb, line 116 def getnames(address) ret = [] each_name(address) {|name| ret << name} return ret end
Gets all hostnames for address from the hosts file