Class: Async::WebSocket::Server

Inherits:
Connection show all
Defined in:
lib/async/websocket/server.rb

Constant Summary collapse

HIJACK_RESPONSE = 
[-1, {}, []].freeze

Constants inherited from Connection

Connection::BLOCK_SIZE, Connection::EVENTS

Instance Attribute Summary collapse

Attributes inherited from Connection

#driver

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Connection

#close, #next_event, #next_message, #send_message, #send_text, #write

Constructor Details

#initialize(env, socket) ⇒ Server

Returns a new instance of Server.



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# File 'lib/async/websocket/server.rb', line 26

def initialize(env, socket)
	scheme = env['rack.url_scheme'] == 'https' ? 'wss' : 'ws'
	@url = "#{scheme}://#{env['HTTP_HOST']}#{env['REQUEST_URI']}"
	
	@env = env
	
	super socket, ::WebSocket::Driver.rack(self)
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/async/websocket/server.rb', line 35

def env
  @env
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/async/websocket/server.rb', line 36

def url
  @url
end

Class Method Details

.open(env) ⇒ Object 



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# File 'lib/async/websocket/server.rb', line 40

def self.open(env)
	if ::WebSocket::Driver.websocket?(env)
		return nil unless env['rack.hijack?']
		
		# https://github.com/rack/rack/blob/master/SPEC#L89-L93
		peer = Async::IO.try_convert(
			env['rack.hijack'].call
		)
		
		connection = self.new(env, peer)
		
		return connection unless block_given?
		
		begin
			yield(connection)
			
			return HIJACK_RESPONSE
		ensure
			connection.close
			peer.close
		end
	end
end