Resolv::Hosts is a hostname resolver that uses the system hosts file.
# File lib/resolv.rb, line 179 def initialize(filename = DefaultFileName) @filename = filename @mutex = Thread::Mutex.new @initialized = nil end
Creates a new Resolv::Hosts, using filename for its data source.
# File lib/resolv.rb, line 236
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.
# File lib/resolv.rb, line 263 def each_name(address, &proc) lazy_initialize @addr2name[address]&.each(&proc) end
Iterates over all hostnames for address retrieved from the hosts file.
# File lib/resolv.rb, line 219
def getaddress(name)
each_address(name) {|address| return address}
raise ResolvError.new("#{@filename} has no name: #{name}")
end Gets the IP address of name from the hosts file.
# File lib/resolv.rb, line 227
def getaddresses(name)
ret = []
each_address(name) {|address| ret << address}
return ret
end Gets all IP addresses for name from the hosts file.
# File lib/resolv.rb, line 246
def getname(address)
each_name(address) {|name| return name}
raise ResolvError.new("#{@filename} has no address: #{address}")
end Gets the hostname of address from the hosts file.
# File lib/resolv.rb, line 254
def getnames(address)
ret = []
each_name(address) {|name| ret << name}
return ret
end Gets all hostnames for address from the hosts file.
Ruby Core © 1993–2017 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.