Class: WebValve::Instrumentation::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/webvalve/instrumentation/middleware.rb

Constant Summary collapse

METHOD = 
'REQUEST_METHOD'.freeze
PATH = 
'PATH_INFO'.freeze
HOST = 
'SERVER_NAME'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/webvalve/instrumentation/middleware.rb', line 10

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/webvalve/instrumentation/middleware.rb', line 14

def call(env)
  ActiveSupport::Notifications.instrument('request.webvalve') do |payload|
    payload[:method] = env[METHOD]
    payload[:url] = env[PATH]
    payload[:host] = env[HOST]
    @app.call(env).tap do |status, _header, _body|
      payload[:status] = status
    end
  end
end