Class: RRs::Message::MessageEncoder
- Inherits:
-
Object
- Object
- RRs::Message::MessageEncoder
- Defined in:
- lib/rrs/message.rb
Overview
:nodoc:
Instance Method Summary collapse
-
#initialize {|_self| ... } ⇒ MessageEncoder
constructor
A new instance of MessageEncoder.
- #put_bytes(d) ⇒ Object
- #put_label(d) ⇒ Object
- #put_labels(d, compress: true) ⇒ Object
- #put_length16 ⇒ Object
- #put_name(d, compress: true) ⇒ Object
- #put_pack(template, *d) ⇒ Object
- #put_string(d) ⇒ Object
- #put_string_list(ds) ⇒ Object
- #to_s ⇒ Object
Constructor Details
#initialize {|_self| ... } ⇒ MessageEncoder
Returns a new instance of MessageEncoder.
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# File 'lib/rrs/message.rb', line 116 def initialize @data = ''.dup @names = {} yield self end |
Instance Method Details
#put_bytes(d) ⇒ Object
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# File 'lib/rrs/message.rb', line 126 def put_bytes(d) @data << d end |
#put_label(d) ⇒ Object
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# File 'lib/rrs/message.rb', line 174 def put_label(d) self.put_string(d.to_s) end |
#put_labels(d, compress: true) ⇒ Object
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# File 'lib/rrs/message.rb', line 158 def put_labels(d, compress: true) d.each_index {|i| domain = d[i..-1] if compress && idx = @names[domain] self.put_pack("n", 0xc000 | idx) return else if @data.length < 0x4000 @names[domain] = @data.length end self.put_label(d[i]) end } @data << "\0" end |
#put_length16 ⇒ Object
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# File 'lib/rrs/message.rb', line 134 def put_length16 length_index = @data.length @data << "\0\0" data_start = @data.length yield data_end = @data.length @data[length_index, 2] = [data_end - data_start].pack("n") end |
#put_name(d, compress: true) ⇒ Object
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# File 'lib/rrs/message.rb', line 154 def put_name(d, compress: true) put_labels(d.to_a, compress: compress) end |
#put_pack(template, *d) ⇒ Object
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# File 'lib/rrs/message.rb', line 130 def put_pack(template, *d) @data << d.pack(template) end |
#put_string(d) ⇒ Object
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# File 'lib/rrs/message.rb', line 143 def put_string(d) self.put_pack("C", d.length) @data << d end |
#put_string_list(ds) ⇒ Object
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# File 'lib/rrs/message.rb', line 148 def put_string_list(ds) ds.each {|d| self.put_string(d) } end |
#to_s ⇒ Object
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# File 'lib/rrs/message.rb', line 122 def to_s return @data end |