/usr/lib/ruby/vendor_ruby/qrack/protocol/protocol09.rb is in ruby-bunny 0.7.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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module Qrack
module Protocol09
#:stopdoc:
class Class::Method
def initialize *args
opts = args.pop if args.last.is_a? Hash
opts ||= {}
if args.size == 1 and args.first.is_a? Transport09::Buffer
buf = args.shift
else
buf = nil
end
self.class.arguments.each do |type, name|
val = buf ? buf.read(type) :
args.shift || opts[name] || opts[name.to_s]
instance_variable_set("@#{name}", val)
end
end
def arguments
self.class.arguments.inject({}) do |hash, (type, name)|
hash.update name => instance_variable_get("@#{name}")
end
end
def to_binary
buf = Transport09::Buffer.new
buf.write :short, self.class.parent.id
buf.write :short, self.class.id
bits = []
self.class.arguments.each do |type, name|
val = instance_variable_get("@#{name}")
if type == :bit
bits << (val || false)
else
unless bits.empty?
buf.write :bit, bits
bits = []
end
buf.write type, val
end
end
buf.write :bit, bits unless bits.empty?
buf.rewind
buf
end
def to_s
to_binary.to_s
end
def to_frame channel = 0
Transport09::Method.new(self, channel)
end
end
class Header
def initialize *args
opts = args.pop if args.last.is_a? Hash
opts ||= {}
first = args.shift
if first.is_a? ::Class and first.ancestors.include? Protocol09::Class
@klass = first
@size = args.shift || 0
@weight = args.shift || 0
@properties = opts
elsif first.is_a? Transport09::Buffer or first.is_a? String
buf = first
buf = Transport09::Buffer.new(buf) unless buf.is_a? Transport09::Buffer
@klass = Protocol09.classes[buf.read(:short)]
@weight = buf.read(:short)
@size = buf.read(:longlong)
props = buf.read(:properties, *klass.properties.map{|type,_| type })
@properties = Hash[*klass.properties.map{|_,name| name }.zip(props).reject{|k,v| v.nil? }.flatten]
else
raise ArgumentError, 'Invalid argument'
end
end
attr_accessor :klass, :size, :weight, :properties
def to_binary
buf = Transport09::Buffer.new
buf.write :short, klass.id
buf.write :short, weight # XXX rabbitmq only supports weight == 0
buf.write :longlong, size
buf.write :properties, (klass.properties.map do |type, name|
[ type, properties[name] || properties[name.to_s] ]
end)
buf.rewind
buf
end
def to_s
to_binary.to_s
end
def to_frame channel = 0
Transport09::Header.new(self, channel)
end
def == header
[ :klass, :size, :weight, :properties ].inject(true) do |eql, field|
eql and __send__(field) == header.__send__(field)
end
end
def method_missing meth, *args, &blk
@properties.has_key?(meth) || @klass.properties.find{|_,name| name == meth } ? @properties[meth] :
super
end
end
def self.parse buf
buf = Transport09::Buffer.new(buf) unless buf.is_a? Transport09::Buffer
class_id, method_id = buf.read(:short, :short)
classes[class_id].methods[method_id].new(buf)
end
end
end
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