Class: WebSocket::Driver::Draft75
- Inherits:
-
WebSocket::Driver
- Object
- WebSocket::Driver
- WebSocket::Driver::Draft75
- Defined in:
- lib/websocket/driver/draft75.rb
Direct Known Subclasses
Constant Summary
Constants inherited from WebSocket::Driver
ConfigurationError, MAX_LENGTH, ProtocolError, STATES
Instance Attribute Summary
Attributes inherited from WebSocket::Driver
Instance Method Summary collapse
- #close(reason = nil, code = nil) ⇒ Object
- #frame(data, type = nil, error_type = nil) ⇒ Object
-
#initialize(socket, options = {}) ⇒ Draft75
constructor
A new instance of Draft75.
- #parse(buffer) ⇒ Object
- #version ⇒ Object
Methods inherited from WebSocket::Driver
#add_extension, #binary, #ping, #set_header, #start, #state, #text
Methods included from EventEmitter
#add_listener, #emit, #listener_count, #listeners, #on, #remove_all_listeners, #remove_listener
Constructor Details
#initialize(socket, options = {}) ⇒ Draft75
Returns a new instance of Draft75.
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# File 'lib/websocket/driver/draft75.rb', line 5 def initialize(socket, = {}) super @stage = 0 @headers['Upgrade'] = 'WebSocket' @headers['Connection'] = 'Upgrade' @headers['WebSocket-Origin'] = @socket.env['HTTP_ORIGIN'] @headers['WebSocket-Location'] = @socket.url end |
Instance Method Details
#close(reason = nil, code = nil) ⇒ Object
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# File 'lib/websocket/driver/draft75.rb', line 19 def close(reason = nil, code = nil) return false if @ready_state == 3 @ready_state = 3 emit(:close, CloseEvent.new(nil, nil)) true end |
#frame(data, type = nil, error_type = nil) ⇒ Object
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# File 'lib/websocket/driver/draft75.rb', line 70 def frame(data, type = nil, error_type = nil) return queue([data, type, error_type]) if @ready_state == 0 frame = ["\x00", data, "\xFF"].map { |s| Driver.encode(s, :binary) } * '' @socket.write(Driver.encode(frame, :binary)) true end |
#parse(buffer) ⇒ Object
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# File 'lib/websocket/driver/draft75.rb', line 26 def parse(buffer) return if @ready_state > 1 buffer.each_byte do |data| case @stage when -1 then @body << data send_handshake_body when 0 then parse_leading_byte(data) when 1 then value = (data & 0x7F) @length = value + 128 * @length if @closing and @length.zero? return close elsif (0x80 & data) != 0x80 if @length.zero? @stage = 0 else @skipped = 0 @stage = 2 end end when 2 then if data == 0xFF emit(:message, MessageEvent.new(Driver.encode(@buffer, :utf8))) @stage = 0 else if @length @skipped += 1 @stage = 0 if @skipped == @length else @buffer << data return close if @buffer.size > @max_length end end end end end |
#version ⇒ Object
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# File 'lib/websocket/driver/draft75.rb', line 15 def version 'hixie-75' end |