Method Read

settings.go:166–206

Read reads from d and decodes the read values into st.

(d []byte)

// Read reads from d and decodes the read values into st.
func (st *Settings) Read(d []byte) error {
	var b []byte
	var key uint16
	var value uint32

	last, i, n := 0, 6, len(d)

	for i <= n {
		b = d[last:i]
		key = uint16(b[0])<<8 | uint16(b[1])
		value = uint32(b[2])<<24 | uint32(b[3])<<16 | uint32(b[4])<<8 | uint32(b[5])

		switch key {
		case HeaderTableSize:
			st.tableSize = value
		case EnablePush:
			if value != 0 && value != 1 {
				return NewGoAwayError(ProtocolError, "wrong value for SETTINGS_ENABLE_PUSH")
			}
			st.enablePush = value != 0
		case MaxConcurrentStreams:
			st.maxStreams = value
		case MaxWindowSize:
			if value > 1<<31-1 {
				return NewGoAwayError(FlowControlError, "SETTINGS_INITIAL_WINDOW_SIZE above maximum")
			}
			st.windowSize = value
		case MaxFrameSize:
			if value < 1<<14 || value > 1<<24-1 {
				return NewGoAwayError(ProtocolError, "wrong value for SETTINGS_MAX_FRAME_SIZE")
			}
			st.frameSize = value
		case MaxHeaderListSize:
			st.headerSize = value
		}

		last = i
		i += 6
	}
	return nil
}

// Encode encodes settings to be sent through the wire.
func (st *Settings) Encode() {