`class WindowUpdateFrame`

The WINDOW_UPDATE frame is used to implement flow control.

+-+-------------------------------------------------------------+ |R| Window Size Increment (31) | +-+-------------------------------------------------------------+

Definitions

`def pack(window_size_increment)`

Pack a window size increment into the frame.

Signature

parameter　window_size_increment　Integer: The window size increment value.

Implementation

def pack(window_size_increment)
	super [window_size_increment].pack(FORMAT)
end

`def unpack`

Unpack the window size increment from the frame payload.

Signature

returns　Integer: The window size increment value.

Implementation

def unpack
	super.unpack1(FORMAT)
end

`def read_payload(stream)`

Read and validate the WINDOW_UPDATE frame payload.

Signature

parameter　stream　IO: The stream to read from.
raises　FrameSizeError: If the frame length is invalid.

Implementation

def read_payload(stream)
	super
	
	if @length != 4
		raise FrameSizeError, "Invalid frame length: #{@length} != 4!"
	end
end

`def apply(connection)`

Apply this WINDOW_UPDATE frame to a connection for processing.

Signature

parameter　connection　Connection: The connection to apply the frame to.

Implementation

def apply(connection)
	connection.receive_window_update(self)
end