Method: Net::DNS::Header#data

Defined in:
lib/net/dns/header.rb

#data ⇒ Object

Returns the header data in binary format, appropriate for use in a DNS query packet.

hdata = header.data
puts "Header is #{hdata.size} bytes"



323
324
325
326
327
328
329
330
331
332
333
 
# File 'lib/net/dns/header.rb', line 323

def data
  arr = []
  arr.push(@id)
  arr.push((@qr<<7)|(@opCode<<3)|(@aa<<2)|(@tc<<1)|@rd)
  arr.push((@ra<<7)|(@ad<<5)|(@cd<<4)|@rCode.code)
  arr.push(@qdCount)
  arr.push(@anCount)
  arr.push(@nsCount)
  arr.push(@arCount)
  arr.pack("n C2 n4")
end