class Net::DNS::RR::CNAME
Canonical Name Record (CNAME
)¶ ↑
Class for DNS
CNAME
resource records.
A
CNAME
record maps an alias or nickname to the real or Canonical name which may lie outside the current zone. Canonical means expected or real name.
Attributes
cname[R]
Gets the canonical name value.
Returns a String.
Public Instance Methods
value()
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Gets the standardized value for this record, represented by the value of cname
.
Returns a String.
# File lib/net/dns/rr/cname.rb, line 23 def value cname.to_s end
Private Instance Methods
build_pack()
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# File lib/net/dns/rr/cname.rb, line 63 def build_pack @cname_pack = pack_name(@cname) @rdlength = @cname_pack.size end
check_name(input)
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# File lib/net/dns/rr/cname.rb, line 54 def check_name(input) name = input.to_s unless name =~ /(\w\.?)+\s*$/ && name =~ /[a-zA-Z]/ raise ArgumentError, "Invalid Canonical Name `#{name}'" end name end
get_data()
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# File lib/net/dns/rr/cname.rb, line 68 def get_data @cname_pack end
get_inspect()
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# File lib/net/dns/rr/cname.rb, line 50 def get_inspect value end
set_type()
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# File lib/net/dns/rr/cname.rb, line 46 def set_type @type = Net::DNS::RR::Types.new("CNAME") end
subclass_new_from_binary(data, offset)
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# File lib/net/dns/rr/cname.rb, line 41 def subclass_new_from_binary(data, offset) @cname, offset = dn_expand(data, offset) offset end
subclass_new_from_hash(options)
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# File lib/net/dns/rr/cname.rb, line 29 def subclass_new_from_hash(options) if options.key?(:cname) @cname = check_name(options[:cname]) else raise ArgumentError, ":cname field is mandatory" end end
subclass_new_from_string(str)
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# File lib/net/dns/rr/cname.rb, line 37 def subclass_new_from_string(str) @cname = check_name(str) end