module TingYun::Instrumentation::MiddlewareTracing
Constants
- CONTENT_TYPE
the trailing unless is for the benefit for Ruby 1.8.7 and can be removed when it is deprecated.
- TXN_STARTED_KEY
Public Instance Methods
_nr_has_middleware_tracing()
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 15 def _nr_has_middleware_tracing true end
build_transaction_options(env, first_middleware)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 19 def build_transaction_options(env, first_middleware) opts = transaction_options opts = merge_first_middleware_options(opts, env) if first_middleware opts end
call(env)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 52 def call(env) return target.call(env) if sinatra_static?(env) first_middleware = note_transaction_started(env) state = TingYun::Agent::TransactionState.tl_get begin if first_middleware events.notify(:cross_app_before_call, env) end TingYun::Agent::Transaction.start(state, category, build_transaction_options(env, first_middleware)) result = (target == self) ? traced_call(env) : target.call(env) if first_middleware capture_http_response_code(state, result) capture_response_content_type(state, result) events.notify(:cross_app_after_call, result) end result rescue Exception => e TingYun::Agent.notice_error(e,:type=>:error) raise e ensure TingYun::Agent::Transaction.stop(state) end end
capture_http_response_code(state, result)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 32 def capture_http_response_code(state, result) if result.is_a?(Array) && state.current_transaction state.current_transaction.attributes.add_agent_attribute(:httpStatus, result[0].to_s) end end
capture_response_content_type(state, result)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 41 def capture_response_content_type(state, result) if result.is_a?(Array) && state.current_transaction _, headers, _ = result state.current_transaction.attributes.add_agent_attribute(:contentType, headers[CONTENT_TYPE].to_s) end end
events()
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 86 def events ::TingYun::Agent.instance.events end
merge_first_middleware_options(opts, env)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 25 def merge_first_middleware_options(opts, env) opts.merge( :request => ::Rack::Request.new(env), :apdex_start_time => TingYun::Instrumentation::Support::QueueTime.parse_frontend_timestamp(env) ) end
note_transaction_started(env)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 82 def note_transaction_started(env) env[TXN_STARTED_KEY] = true unless env[TXN_STARTED_KEY] end
sinatra_static?(env)
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# File lib/ting_yun/instrumentation/middleware_tracing.rb, line 48 def sinatra_static?(env) defined?(::Sinatra) && defined?(::Sinatra::Base) && env['REQUEST_URI'] && env['REQUEST_URI'] =~ /\.(css|js|html|png|jpg|jpeg|gif|bmp)\Z/i end