Class: Pliny::Middleware::Instruments

Inherits:
Object
  • Object
show all
Defined in:
lib/pliny/middleware/instruments.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Instruments

Returns a new instance of Instruments.



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# File 'lib/pliny/middleware/instruments.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/pliny/middleware/instruments.rb', line 7

def call(env)
  start = Time.now

  data = {
    instrumentation: true,
    method:          env["REQUEST_METHOD"],
    path:            env["PATH_INFO"]
  }

  Pliny.log(data.merge(at: "start"))

  status, headers, response = @app.call(env)

  if route = env["sinatra.route"]
    data.merge!(route_signature: route.split(" ").last)
  end

  elapsed = (Time.now - start).to_f
  Pliny.log(data.merge(
    at:              "finish",
    status:          status,
    length:          headers["Content-Length"],
    elapsed:         elapsed
  ))

  [status, headers, response]
end