Class: Faye::WebSocket::Draft75Parser
- Inherits:
-
Object
- Object
- Faye::WebSocket::Draft75Parser
- Defined in:
- lib/faye/websocket/draft75_parser.rb
Direct Known Subclasses
Instance Attribute Summary collapse
-
#protocol ⇒ Object
readonly
Returns the value of attribute protocol.
Instance Method Summary collapse
- #frame(data, type = nil, error_type = nil) ⇒ Object
- #handshake_response ⇒ Object
-
#initialize(web_socket, options = {}) ⇒ Draft75Parser
constructor
A new instance of Draft75Parser.
- #open? ⇒ Boolean
- #parse(buffer) ⇒ Object
- #parse_leading_byte(data) ⇒ Object
- #version ⇒ Object
Constructor Details
#initialize(web_socket, options = {}) ⇒ Draft75Parser
Returns a new instance of Draft75Parser.
7 8 9 10 |
# File 'lib/faye/websocket/draft75_parser.rb', line 7 def initialize(web_socket, = {}) @socket = web_socket @stage = 0 end |
Instance Attribute Details
#protocol ⇒ Object (readonly)
Returns the value of attribute protocol.
5 6 7 |
# File 'lib/faye/websocket/draft75_parser.rb', line 5 def protocol @protocol end |
Instance Method Details
#frame(data, type = nil, error_type = nil) ⇒ Object
79 80 81 82 |
# File 'lib/faye/websocket/draft75_parser.rb', line 79 def frame(data, type = nil, error_type = nil) return WebSocket.encode(data) if Array === data ["\x00", data, "\xFF"].map(&WebSocket.method(:encode)) * '' end |
#handshake_response ⇒ Object
16 17 18 19 20 21 22 23 24 |
# File 'lib/faye/websocket/draft75_parser.rb', line 16 def handshake_response upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" upgrade << "Upgrade: WebSocket\r\n" upgrade << "Connection: Upgrade\r\n" upgrade << "WebSocket-Origin: #{@socket.env['HTTP_ORIGIN']}\r\n" upgrade << "WebSocket-Location: #{@socket.url}\r\n" upgrade << "\r\n" upgrade end |
#open? ⇒ Boolean
26 27 28 |
# File 'lib/faye/websocket/draft75_parser.rb', line 26 def open? true end |
#parse(buffer) ⇒ Object
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 |
# File 'lib/faye/websocket/draft75_parser.rb', line 30 def parse(buffer) buffer.each_byte do |data| case @stage when 0 then parse_leading_byte(data) when 1 then value = (data & 0x7F) @length = value + 128 * @length if @closing and @length.zero? @socket.close(nil, nil, false) elsif (0x80 & data) != 0x80 if @length.zero? @socket.receive('') @stage = 0 else @buffer = [] @stage = 2 end end when 2 then if data == 0xFF @socket.receive(WebSocket.encode(@buffer)) @stage = 0 else @buffer << data if @length and @buffer.size == @length @stage = 0 end end end end nil end |
#parse_leading_byte(data) ⇒ Object
68 69 70 71 72 73 74 75 76 77 |
# File 'lib/faye/websocket/draft75_parser.rb', line 68 def parse_leading_byte(data) if (0x80 & data) == 0x80 @length = 0 @stage = 1 else @length = nil @buffer = [] @stage = 2 end end |
#version ⇒ Object
12 13 14 |
# File 'lib/faye/websocket/draft75_parser.rb', line 12 def version 'hixie-75' end |