Class: ReDNS::Resource
Instance Attribute Summary
Attributes inherited from Fragment
#attributes
Instance Method Summary
collapse
Methods inherited from Fragment
attribute, #initialize
Methods included from Support
#addr_to_arpa, #bind_all_addr, #default_nameservers, #default_resolver_address, #dns_port, #inet_aton, #inet_ntoa, #io_nonblock, #io_nonblock?, #io_set_nonblock, #is_ip?
Instance Method Details
#deserialize(buffer) ⇒ Object
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
# File 'lib/redns/resource.rb', line 54
def deserialize(buffer)
self.name = ReDNS::Name.new(buffer)
raw = buffer.unpack("nnNn")
self.rtype = ReDNS::RR_TYPE_LABEL[raw.shift]
self.rclass = ReDNS::RR_CLASS_LABEL[raw.shift]
self.ttl = raw.shift
rdata_length = raw.shift
self.rdata =
case (self.rtype)
when :a, :aaaa
self.rdata = ReDNS::Address.new(buffer)
when :cname, :ptr, :ns
self.rdata = ReDNS::Name.new(buffer)
when :mx
self.rdata = ReDNS::Record::MX.new(buffer)
when :soa
self.rdata = ReDNS::Record::SOA.new(buffer)
when :null
self.rdata = (rdata_length and ReDNS::Record::Null.new(buffer.slice(rdata_length)))
when :spf
self.rdata = (rdata_length and ReDNS::Record::SPF.new(buffer.slice(rdata_length)))
when :txt
self.rdata = (rdata_length and ReDNS::Record::TXT.new(buffer.slice(rdata_length)))
else
nil
end
self
end
|
#empty? ⇒ Boolean
Instance Methods =====================================================
17
18
19
|
# File 'lib/redns/resource.rb', line 17
def empty?
self.name.empty?
end
|
#serialize(buffer = ReDNS::Buffer.new) ⇒ Object
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
# File 'lib/redns/resource.rb', line 29
def serialize(buffer = ReDNS::Buffer.new)
self.name.serialize(buffer)
data_buffer = nil
if (self.rdata)
data_buffer = ReDNS::Buffer.new
self.rdata.serialize(data_buffer)
end
buffer.pack(
'nnNn',
ReDNS::RR_TYPE[self.rtype],
ReDNS::RR_CLASS[self.rclass],
self.ttl,
data_buffer ? data_buffer.length : 0
)
if (data_buffer)
buffer.append(data_buffer)
end
buffer
end
|
#to_a ⇒ Object
25
26
27
|
# File 'lib/redns/resource.rb', line 25
def to_a
[ name, ttl, rclass, rtype, rdata.to_a ].flatten
end
|
#to_s ⇒ Object
21
22
23
|
# File 'lib/redns/resource.rb', line 21
def to_s
"#{name} #{ttl} #{rclass.to_s.upcase} #{rtype.to_s.upcase} #{rdata}"
end
|