class Lib::DHCP::Message::Decline

Public Class Methods

new(htype: 1, hlen: 6, hops: 0, xid: nil, secs: 0, flags: 0, ciaddr: 0, yiaddr: 0, siaddr: 0, giaddr: 0, chaddr: , sname: '.', file: '.', options: nil) click to toggle source
Calls superclass method
# File lib/lib/dhcp/messages/decline.rb, line 12
def initialize(htype: 1, hlen: 6, hops: 0, xid: nil, secs: 0, flags: 0, ciaddr: 0, yiaddr: 0, siaddr: 0, giaddr: 0, chaddr: , sname: '.', file: '.', options: nil)
  super(
      :op => BOOTREQUEST,
      :htype => htype,
      :hlen => hlen,
      :hops => hops,
      :xid => xid,
      :secs => secs,
      :flags => flags,
      :ciaddr => ciaddr,
      :yiaddr => yiaddr,
      :siaddr => siaddr,
      :giaddr => giaddr,
      :chaddr => chaddr,
      :sname => sname,
      :file => file
  )
  if options.is_a? Array or options.is_a? Lib::DHCP::Options
    options.each { |option| self.options.add option unless option.oid.to_i == Option::MESSAGE_TYPE }
  elsif options.is_a? Lib::DHCP::Option
    self.options.add options
  elsif !options.nil?
    raise TypeError, "Can't convert #{options.class.name} to Lib::DHCP::Option"
  end
  self.options.add Lib::DHCP::Option53.new(DECLINE)
end
unpack(packet) click to toggle source
Calls superclass method Lib::DHCP::Message::unpack
# File lib/lib/dhcp/messages/decline.rb, line 47
def self.unpack(packet)
  res = super(packet)
  raise TypeError, "No implicit conversion of #{res.class.name} into #{self.class.name}" unless res.is_a? self.class
  res
end

Public Instance Methods

pack() click to toggle source
Calls superclass method Lib::DHCP::Message#pack
# File lib/lib/dhcp/messages/decline.rb, line 39
def pack
  # noinspection RubyResolve
  self.option53 = DECLINE
  self.op = BOOTREQUEST
  sanity_check
  super
end

Protected Instance Methods

sanity_check() click to toggle source

noinspection RubyResolve

# File lib/lib/dhcp/messages/decline.rb, line 58
def sanity_check
  raise Lib::DHCP::SanityCheck::Decline, "FLAGS set for DHCP Decline Message\n #{self.to_s}" unless flags.to_i == 0
  raise Lib::DHCP::SanityCheck::Decline, "CIADDR set for DHCP Decline Message\n #{self.to_s}" unless ciaddr.to_i == 0
  raise Lib::DHCP::SanityCheck::Decline, "YIADDR set for DHCP Decline Message\n #{self.to_s}" unless yiaddr.to_i == 0
  raise Lib::DHCP::SanityCheck::Decline, "SIADDR set for DHCP Decline Message\n #{self.to_s}" unless siaddr.to_i == 0
  # noinspection RubyResolve
  raise Lib::DHCP::SanityCheck::Decline, "Maximum Message Size Option set for DHCP Decline Message\n #{self.to_s}" unless option57.nil?
  # noinspection RubyResolve
  raise Lib::DHCP::SanityCheck::Decline, "Vendor class identifier Option set for DHCP Decline Message\n #{self.to_s}" unless option60.nil?
  # noinspection RubyResolve
  raise Lib::DHCP::SanityCheck::Decline, "Parameter Request List Option set for DHCP Decline Message\n #{self.to_s}" unless option55.nil?
  # noinspection RubyResolve
  raise Lib::DHCP::SanityCheck::Decline, "No Requested IP Address for DHCP Decline Message\n #{self.to_s}" if option50.nil?
  # noinspection RubyResolve
  raise Lib::DHCP::SanityCheck::Decline, "No Server identifier for DHCP Decline Message\n #{self.to_s}" if option54.nil?
end