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module ActionCable
module Connection
#--
# This class is heavily based on faye-websocket-ruby
#
# Copyright (c) 2010-2015 James Coglan
class Stream
def initialize(event_loop, socket)
@event_loop = event_loop
@socket_object = socket
@stream_send = socket.env['stream.send']
@rack_hijack_io = nil
hijack_rack_socket
end
def each(&callback)
@stream_send ||= callback
end
def close
shutdown
@socket_object.client_gone
end
def shutdown
clean_rack_hijack
end
def write(data)
return @rack_hijack_io.write(data) if @rack_hijack_io
return @stream_send.call(data) if @stream_send
rescue EOFError
@socket_object.client_gone
end
def receive(data)
@socket_object.parse(data)
end
private
def hijack_rack_socket
return unless @socket_object.env['rack.hijack']
@socket_object.env['rack.hijack'].call
@rack_hijack_io = @socket_object.env['rack.hijack_io']
@event_loop.attach(@rack_hijack_io, self)
end
def clean_rack_hijack
return unless @rack_hijack_io
@event_loop.detach(@rack_hijack_io, self)
@rack_hijack_io = nil
end
end
end
end
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