类 Resolv::Hosts

Resolv::Hosts 是一个使用系统 hosts 文件的域名解析器。

常量

DefaultFileName

公共类方法

new(filename = DefaultFileName) 点击切换源代码

创建一个新的 Resolv::Hosts，使用 filename 作为其数据源。

# File lib/resolv.rb, line 183
def initialize(filename = DefaultFileName)
  @filename = filename
  @mutex = Thread::Mutex.new
  @initialized = nil
end

公共实例方法

each_address(name, &proc) 点击切换源代码

迭代 hosts 文件中检索到的 name 的所有 IP 地址。

# File lib/resolv.rb, line 237
def each_address(name, &proc)
  lazy_initialize
  @name2addr[name]&.each(&proc)
end

each_name(address, &proc) 点击切换源代码

迭代 hosts 文件中检索到的 address 的所有主机名。

# File lib/resolv.rb, line 262
def each_name(address, &proc)
  lazy_initialize
  @addr2name[address]&.each(&proc)
end

getaddress(name) 点击切换源代码

从 hosts 文件中获取 name 的 IP 地址。

# File lib/resolv.rb, line 220
def getaddress(name)
  each_address(name) {|address| return address}
  raise ResolvError.new("#{@filename} has no name: #{name}")
end

getaddresses(name) 点击切换源代码

从 hosts 文件中获取 name 的所有 IP 地址。

# File lib/resolv.rb, line 228
def getaddresses(name)
  ret = []
  each_address(name) {|address| ret << address}
  return ret
end

getname(address) 点击切换源代码

从 hosts 文件中获取 address 的主机名。

# File lib/resolv.rb, line 245
def getname(address)
  each_name(address) {|name| return name}
  raise ResolvError.new("#{@filename} has no address: #{address}")
end

getnames(address) 点击切换源代码

从 hosts 文件中获取 address 的所有主机名。

# File lib/resolv.rb, line 253
def getnames(address)
  ret = []
  each_name(address) {|name| ret << name}
  return ret
end