module Plum::FrameUtils
Public Instance Methods
parse_settings()
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Parses SETTINGS frame payload. Ignores unknown settings type (see RFC7540 6.5.2). @return [Hash<Symbol, Integer>] The parsed strings.
# File lib/plum/frame_utils.rb, line 31 def parse_settings settings = {} payload.each_byteslice(6) do |param| id = param.uint16 name = Frame::SETTINGS_TYPE.key(id) # ignore unknown settings type settings[name] = param.uint32(2) if name end settings end
split(max) { |self| ... }
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Splits this frame into multiple frames not to exceed MAX_FRAME_SIZE. @param max [Integer] The maximum size of a frame payload. @yield [Frame] The splitted frames.
# File lib/plum/frame_utils.rb, line 8 def split(max) return yield self if @length <= max first, *mid, last = @payload.chunk(max) case type when :data yield Frame.new(type_value: 0, stream_id: @stream_id, payload: first, flags_value: @flags_value & ~1) mid.each { |slice| yield Frame.new(type_value: 0, stream_id: @stream_id, payload: slice, flags_value: 0) } yield Frame.new(type_value: 0, stream_id: @stream_id, payload: last, flags_value: @flags_value & 1) when :headers, :push_promise yield Frame.new(type_value: @type_value, stream_id: @stream_id, payload: first, flags_value: @flags_value & ~4) mid.each { |slice| yield Frame.new(type: :continuation, stream_id: @stream_id, payload: slice, flags_value: 0) } yield Frame.new(type: :continuation, stream_id: @stream_id, payload: last, flags_value: @flags_value & 4) else raise NotImplementedError.new("frame split of frame with type #{type} is not supported") end end