Protocol-Types like Idx. Codes for sharing code.
This commit is contained in:
Denis Knauf
parent
2255c784bc
commit
e9321d4de6
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@ -1,5 +1,7 @@
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require 'iounpack'
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require 'stringio'
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require 'pathname'
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require 'socket'
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require 'logger'
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require_relative 'errors'
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module Knot
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@ -72,71 +74,93 @@ end
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# end
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#end
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module Knot::Protocol::Idx
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class Id
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include Comparable
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attr_reader :name, :code, :cname, :description
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class Knot::Protocol::Code
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include Comparable
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attr_reader :name, :code, :cname, :description
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def initialize name, code, cname, description
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raise ArgumentError, "Expecting Symbol for #{self.class.name} instead of: #{name.inspect}" unless Symbol === name
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raise ArgumentError, "Expecting Integer for #{self.class.name} instead of: #{code.inspect}" unless Integer === code
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@name, @code, @cname, @description = name, code, cname, description
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freeze
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end
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def === x
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case x
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when self.class then self == x
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when Symbol then @name == x
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when String then @name == x.to_sym
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when Integer then @code == x
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else nil
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end
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end
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def <=>( x) @id <=> x.id end
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def to_s() @name.to_s end
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def to_sym() @name end
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def to_i() @code end
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def initialize name, code, cname, description
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raise ArgumentError, "Expecting Symbol for #{self.class.name} instead of: #{name.inspect}" unless Symbol === name
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raise ArgumentError, "Expecting Integer for #{self.class.name} instead of: #{code.inspect}" unless Integer === code
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@name, @code, @cname, @description = name, code, cname, description
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freeze
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end
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Idx = [
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Id.new( :command, 0x10, :CMD, 'Control command name.'),
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Id.new( :flags, 0x11, :FLAGS, 'Control command flags.'),
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Id.new( :error, 0x12, :ERROR, 'Error message.'),
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Id.new( :section, 0x13, :SECTION, 'Configuration section name.'),
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Id.new( :item, 0x14, :ITEM, 'Configuration item name.'),
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Id.new( :id, 0x15, :ID, 'Congiguration item identifier.'),
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Id.new( :zone, 0x16, :ZONE, 'Zone name.'),
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Id.new( :owner, 0x17, :OWNER, 'Zone record owner'),
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Id.new( :ttl, 0x18, :TTL, 'Zone record TTL.'),
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Id.new( :type, 0x19, :TYPE, 'Zone record type name.'),
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Id.new( :data, 0x1a, :DATA, 'Configuration item/zone record data.'),
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Id.new( :filter, 0x1b, :FILTER, 'An option or a filter for output data processing.'),
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def === x
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case x
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when self.class then @id == x.id
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when Symbol then @name == x
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when String then @name == x.to_sym
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when Integer then @code == x
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else nil
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end
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end
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def <=>( x) @id <=> x.id end
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def to_s() @name.to_s end
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def to_sym() @name end
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def to_i() @code end
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end
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module Knot::Protocol::Codes
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include Enumerable
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def [] k
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case k
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when Symbol
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self::Name[k] or raise Knot::Errors::EINVAL, "Unknown Codes: #{k}"
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when Integer
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self::Code[k] or raise Knot::Errors::EINVAL, "Unknown Codes: #{k}"
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else
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raise ArgumentError, "Unknown Codes-Type: #{k}"
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end
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end
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def each &exe
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block_given? ? self::Codes.each( &exe) : self::Codes.to_enum( :each)
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end
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end
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module Knot::Protocol::Idx
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extend Knot::Protocol::Codes
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Codes = [
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Knot::Protocol::Code.new( :command, 0x10, :CMD, 'Control command name.'),
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Knot::Protocol::Code.new( :flags, 0x11, :FLAGS, 'Control command flags.'),
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Knot::Protocol::Code.new( :error, 0x12, :ERROR, 'Error message.'),
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Knot::Protocol::Code.new( :section, 0x13, :SECTION, 'Configuration section name.'),
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Knot::Protocol::Code.new( :item, 0x14, :ITEM, 'Configuration item name.'),
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Knot::Protocol::Code.new( :id, 0x15, :ID, 'Congiguration item identifier.'),
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Knot::Protocol::Code.new( :zone, 0x16, :ZONE, 'Zone name.'),
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Knot::Protocol::Code.new( :owner, 0x17, :OWNER, 'Zone record owner'),
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Knot::Protocol::Code.new( :ttl, 0x18, :TTL, 'Zone record TTL.'),
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Knot::Protocol::Code.new( :type, 0x19, :TYPE, 'Zone record type name.'),
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Knot::Protocol::Code.new( :data, 0x1a, :DATA, 'Configuration item/zone record data.'),
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Knot::Protocol::Code.new( :filter, 0x1b, :FILTER, 'An option or a filter for output data processing.'),
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]
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Name = {}
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Code = {}
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Idx.each do |id|
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Codes.each do |id|
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Code[id.to_i] = id
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Name[id.to_sym] = id
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end
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end
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class <<self
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def [] k
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case k
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when Symbol
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Name[k] or raise Knot::Errors::EINVAL, "Unknown Idx: #{k}"
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when Integer
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Code[k] or raise Knot::Errors::EINVAL, "Unknown Idx: #{k}"
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else
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raise ArgumentError, "Unknown Idx-Type: #{k}"
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end
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end
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module Knot::Protocol::Types
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extend Knot::Protocol::Codes
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def each &exe
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block_given? ? Idx.each( &exe) : Idx.to_enum( :each)
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end
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Codes = [
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Knot::Protocol::Code.new( :end, 0x00, :END, 'Type END.'),
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Knot::Protocol::Code.new( :data, 0x01, :DATA, 'Type DATA.'),
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Knot::Protocol::Code.new( :extra, 0x02, :EXTRA, 'Type EXTRA.'),
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Knot::Protocol::Code.new( :block, 0x03, :BLOCK, 'Type BLOCK.'),
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]
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Name = {}
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Code = {}
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Codes.each do |id|
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Code[id.to_i] = id
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Name[id.to_sym] = id
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end
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end
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@ -164,11 +188,11 @@ class Knot::Protocol
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#sock.write [1].pack( 'c')
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data[:flags] ||= ''
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ds =
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Idx::Idx.
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Idx.
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select {|n| data[n.to_sym] }.
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map {|n| v = data[n.to_sym].to_s.b; [n.to_i, v.size, v ] }
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s = (ds.flatten+[3]).pack( ('c na*'*ds.length)+'c').b
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#Idx::Idx.each do |n|
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s = [Types[:data].to_i, ds, Types[:block].to_i].flatten.pack( "c #{'c na*'*ds.length} c").b
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#Idx.each do |n|
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# v = data[n.to_sym]&.to_s&.b
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# sock.write [n.to_i, v.size, v].pack( 'c na*') if v
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#end
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@ -211,16 +235,16 @@ class Knot::Protocol
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loop do
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t = sock.unpack1 'c'
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case t
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when 0, 3
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when Knot::Protocol::Types[:end], Knot::Protocol::Types[:block]
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return ret
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when 1, 2
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when Knot::Protocol::Types[:data], Knot::Protocol::Types[:extra]
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type = t
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ret.push( r = {})
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else
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raise Knot::Errors::EINVAL, "Missing Type before: #{t}" if ret.empty?
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i = Idx::Idx[t - 0x10] or raise Knot::Errors::EINVAL, "Unknown index: #{t-0x10}"
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i = Idx[t] or raise Knot::Errors::EINVAL, "Unknown index: #{t}"
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l = sock.unpack1 'n'
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r[i] = sock.read( l)
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r[i.to_sym] = sock.read( l)
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end
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end
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ensure
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