Class: FayeRails::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/faye-rails/middleware.rb

Constant Summary collapse

DEFAULTS =
{
  :mount => '/faye',
  :timeout => 25,
  :extensions => nil,
  :engine => nil,
  :ping => nil,
  :server => 'thin'
}

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}, &block) ⇒ Middleware

Returns a new instance of Middleware


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# File 'lib/faye-rails/middleware.rb', line 13

def initialize(app, options={}, &block)
  @app = app

  if Rails.application.config.middleware.include? Rack::Lock
    message = <<-EOF

WARNING: You have the Rack::Lock middlware enabled.

faye-rails can't work when Rack::Lock is enabled, as it will cause
a deadlock on every request.

Please add:

config.middleware.delete Rack::Lock

to your application config in application.rb

    EOF
    Rails.logger.fatal message
    $stdout.puts message
    exit 1
  end

  unknown_options = options.keys - DEFAULTS.keys
  if unknown_options.one?
    raise ArgumentError, "Unknown option: #{unknown_options.first}."
  elsif unknown_options.any?
    raise ArgumentError, "Unknown options: #{unknown_options * ", "}."
  end

  options = DEFAULTS.merge(options)
  server = options.delete(:server)
  Faye::WebSocket.load_adapter(server) if server && server != 'passenger'

  @adapter = FayeRails::RackAdapter.new(@app, options)
  @adapter.instance_eval(&block) if block.respond_to? :call
end

Instance Method Details

#call(env) ⇒ Object


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# File 'lib/faye-rails/middleware.rb', line 51

def call(env)
  @adapter.call(env)
end