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# = Services Record (SRV)
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#
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# Defines services available in the zone, for example, ldap, http etc..
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#
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# @see http://www.ietf.org/rfc/rfc2872.txt
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# @see http://www.zytrax.com/books/dns/ch8/srv.html
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class SRV < Record
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has_paper_trail
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validates :name, :hostname => {:allow_underscore => true, :allow_wildcard_hostname => true}
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validates :content, :format => /\A\d+ \d+ [A-Za-z0-9\-_.]+\z/
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# RFC 2872
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validates :prio, :presence => true, :numericality => {
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:greater_than_or_equal_to => 0,
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:less_than_or_equal_to => 65535,
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:only_integer => true
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}
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validates :weight, :presence => true, :numericality => {
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:greater_than_or_equal_to => 0,
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:less_than_or_equal_to => 65535,
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:only_integer => true
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}
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validates :port, :presence => true, :numericality => {
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:greater_than_or_equal_to => 0,
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:less_than_or_equal_to => 65535,
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:only_integer => true
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}
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validates :host, :presence => true, :hostname => {
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:allow_underscore => true,
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:allow_wildcard_hostname => true
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}
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attr_accessor :weight, :port, :host
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before_validation :assemble_content
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after_initialize :disassemble_content
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def supports_priority?; true end
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protected
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def assemble_content
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self.content = "#{@weight} #{@port} #{@host}".strip
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end
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# Update our convenience accessors when the object has changed
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def disassemble_content
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@weight, @port, @host = content.split(/\s+/) unless content.blank?
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end
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end
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Srv = SRV
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