Module: Protocol::HTTP2::Continued

Included in:
ContinuationFrame, HeadersFrame, PushPromiseFrame
Defined in:
lib/protocol/http2/continuation_frame.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#continuation ⇒ Object

Returns the value of attribute continuation.



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# File 'lib/protocol/http2/continuation_frame.rb', line 55

def continuation
  @continuation
end

Instance Method Details

#continued? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protocol/http2/continuation_frame.rb', line 17

def continued?
	!!@continuation
end

#end_headers? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protocol/http2/continuation_frame.rb', line 21

def end_headers?
	flag_set?(END_HEADERS)
end

#initialize ⇒ Object 



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# File 'lib/protocol/http2/continuation_frame.rb', line 11

def initialize(*)
	super
	
	@continuation = nil
end

#pack(data, **options) ⇒ Object 



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# File 'lib/protocol/http2/continuation_frame.rb', line 57

def pack(data, **options)
	maximum_size = options[:maximum_size]
	
	if maximum_size and data.bytesize > maximum_size
		clear_flags(END_HEADERS)
		
		super(data.byteslice(0, maximum_size), **options)
		
		remainder = data.byteslice(maximum_size, data.bytesize-maximum_size)
		
		@continuation = ContinuationFrame.new
		@continuation.pack(remainder, maximum_size: maximum_size)
	else
		set_flags(END_HEADERS)
		
		super data, **options
		
		@continuation = nil
	end
end

#read(stream, maximum_frame_size) ⇒ Object 



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# File 'lib/protocol/http2/continuation_frame.rb', line 25

def read(stream, maximum_frame_size)
	super
	
	unless end_headers?
		continuation = ContinuationFrame.new
		continuation.read_header(stream)
		
		# We validate the frame type here:
		unless continuation.valid_type?
			raise ProtocolError, "Invalid frame type: #{@type}!"
		end
		
		if continuation.stream_id != @stream_id
			raise ProtocolError, "Invalid stream id: #{continuation.stream_id} for continuation of stream id: #{@stream_id}!"
		end
		
		continuation.read(stream, maximum_frame_size)
		
		@continuation = continuation
	end
end

#unpack ⇒ Object 



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# File 'lib/protocol/http2/continuation_frame.rb', line 78

def unpack
	if @continuation.nil?
		super
	else
		super + @continuation.unpack
	end
end

#write(stream) ⇒ Object 



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# File 'lib/protocol/http2/continuation_frame.rb', line 47

def write(stream)
	super
	
	if continuation = self.continuation
		continuation.write(stream)
	end
end