Class: Oboe::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/oboe/frameworks/rails/inst/rack.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



6
7
8
 
# File 'lib/oboe/frameworks/rails/inst/rack.rb', line 6

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/oboe/frameworks/rails/inst/rack.rb', line 10

def call(env)
  header = env['HTTP_X_TRACE']
  result, header = Oboe::API.start_trace('rack', header) do
    env['HTTP_X_TRACE'] = Oboe::Context.toString()
    @app.call(env)
  end
  result
rescue Exception => e
  header = e.instance_variable_get(:@xtrace)
  raise
ensure
  env['HTTP_X_TRACE'] = header if header
end