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# -*- coding: binary -*-
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##
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#
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# dns.rb
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#
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# $id$
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#
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##
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module Net # :nodoc:
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  module DNS
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    # Version of the library
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    VERSION = "0.4"
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    # Packet size in bytes
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    PACKETSZ = 512
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    # Size of the header 
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    HFIXEDSZ = 12
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    # Size of the question portion (type and class)
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    QFIXEDSZ = 4
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    # Size of an RR portion (type,class,length and ttl)
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    RRFIXEDSZ = 10
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    # Size of an int 32 bit
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    INT32SZ = 4
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    # Size of a short int
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    INT16SZ = 2
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    module QueryTypes
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      SIGZERO   = 0
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      A         = 1
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      NS        = 2
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      MD        = 3
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      MF        = 4
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      CNAME     = 5
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      SOA       = 6
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      MB        = 7
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      MG        = 8
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      MR        = 9
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      NULL      = 10
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      WKS       = 11
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      PTR       = 12
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      HINFO     = 13
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      MINFO     = 14
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      MX        = 15
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      TXT       = 16
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      RP        = 17
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      AFSDB     = 18
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      X25       = 19
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      ISDN      = 20
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      RT        = 21
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      NSAP      = 22
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      NSAPPTR   = 23
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      SIG       = 24
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      KEY       = 25
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      PX        = 26
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      GPOS      = 27
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      AAAA      = 28
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      LOC       = 29
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      NXT       = 30
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      EID       = 31
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      NIMLOC    = 32
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      SRV       = 33
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      ATMA      = 34
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      NAPTR     = 35
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      KX        = 36
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      CERT      = 37
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      DNAME     = 39
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      OPT       = 41
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      DS        = 43
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      SSHFP     = 44
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      RRSIG     = 46
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      NSEC      = 47
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      DNSKEY    = 48
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      UINFO     = 100
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      UID       = 101
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      GID       = 102
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      UNSPEC    = 103
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      TKEY      = 249
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      TSIG      = 250
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      IXFR      = 251
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      AXFR      = 252
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      MAILB     = 253
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      MAILA     = 254
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      ANY       = 255
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    end
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    module QueryClasses
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      # Internet class
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      IN        = 1
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      # Chaos class
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      CH        = 3
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      # Hesiod class
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      HS        = 4
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      # None class
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      NONE      = 254
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      # Any class
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      ANY       = 255
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    end
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    include QueryTypes
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    include QueryClasses
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  end # module DNS
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end # module Net
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