Class: Skylight::Middleware Private

Inherits:
Object show all
Includes:
Util::Logging
Defined in:
lib/skylight/middleware.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Defined Under Namespace

Classes: BodyProxy

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util::Logging

#debug, #error, #info, #log, #t, #trace, trace?, #warn

Constructor Details

#initialize(app, opts = {}) ⇒ Middleware

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Middleware.



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# File 'lib/skylight/middleware.rb', line 48

def initialize(app, opts={})
  @app = app
  @config = opts[:config]
end

Instance Attribute Details

#config ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

For Util::Logging



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# File 'lib/skylight/middleware.rb', line 46

def config
  @config
end

Instance Method Details

#call(env) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/skylight/middleware.rb', line 53

def call(env)
  if env["REQUEST_METHOD"] == "HEAD"
    t { "middleware skipping HEAD" }
    @app.call(env)
  else
    begin
      t { "middleware beginning trace" }
      trace = Skylight.trace "Rack", 'app.rack.request'
      resp = @app.call(env)
      resp[2] = BodyProxy.new(resp[2]) { trace.submit } if trace
      resp
    rescue Exception
      t { "middleware exception: #{trace}"}
      trace.submit if trace
      raise
    ensure
      t { "middleware release: #{trace}"}
      trace.release if trace
    end
  end
end