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Contents
module Skylight
# @api private
class Middleware
class BodyProxy
def initialize(body, &block)
@body, @block, @closed = body, block, false
end
def respond_to?(*args)
return false if args.first.to_s =~ /^to_ary$/
super or @body.respond_to?(*args)
end
def close
return if @closed
@closed = true
begin
@body.close if @body.respond_to? :close
ensure
@block.call
end
end
def closed?
@closed
end
# N.B. This method is a special case to address the bug described by #434.
# We are applying this special case for #each only. Future bugs of this
# class will be handled by requesting users to patch their ruby
# implementation, to save adding too many methods in this class.
def each(*args, &block)
@body.each(*args, &block)
end
def method_missing(*args, &block)
super if args.first.to_s =~ /^to_ary$/
@body.__send__(*args, &block)
end
end
include Util::Logging
# For Util::Logging
attr_reader :config
def initialize(app, opts={})
@app = app
@config = opts[:config]
end
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
end
end
Version data entries
37 entries across 37 versions & 2 rubygems