framer.rb in protocol-http2-0.15.0

- old
+ new

@@ -1,26 +1,10 @@
-# Copyright, 2018, by Samuel G. D. Williams. <http://www.codeotaku.com>
-# Copyright, 2013, by Ilya Grigorik.
-# 
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-# 
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-# 
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
+# frozen_string_literal: true
 
+# Released under the MIT License.
+# Copyright, 2019-2023, by Samuel Williams.
+
 require_relative 'error'
 
 require_relative 'data_frame'
 require_relative 'headers_frame'
 require_relative 'priority_frame'
@@ -47,11 +31,11 @@
 			WindowUpdateFrame,
 			ContinuationFrame,
 		].freeze
 		
 		# Default connection "fast-fail" preamble string as defined by the spec.
-		CONNECTION_PREFACE_MAGIC = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".freeze
+		CONNECTION_PREFACE = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".freeze
 		
 		class Framer
 			def initialize(stream, frames = FRAMES)
 				@stream = stream
 				@frames = frames
@@ -64,16 +48,16 @@
 			def closed?
 				@stream.closed?
 			end
 			
 			def write_connection_preface
-				@stream.write(CONNECTION_PREFACE_MAGIC)
+				@stream.write(CONNECTION_PREFACE)
 			end
 			
 			def read_connection_preface
-				string = @stream.read(CONNECTION_PREFACE_MAGIC.bytesize)
+				string = @stream.read(CONNECTION_PREFACE.bytesize)
 				
-				unless string == CONNECTION_PREFACE_MAGIC
+				unless string == CONNECTION_PREFACE
 					raise HandshakeError, "Invalid connection preface: #{string.inspect}"
 				end
 				
 				return string
 			end