Class: NewRelic::Agent::Transaction

Inherits:
Object
  • Object
show all
Includes:
Tracing
Defined in:
lib/new_relic/agent/transaction.rb,
lib/new_relic/agent/transaction/trace.rb,
lib/new_relic/agent/transaction/segment.rb,
lib/new_relic/agent/transaction/tracing.rb,
lib/new_relic/agent/transaction/trace_node.rb,
lib/new_relic/agent/transaction/trace_builder.rb,
lib/new_relic/agent/transaction/trace_context.rb,
lib/new_relic/agent/transaction/abstract_segment.rb,
lib/new_relic/agent/transaction/datastore_segment.rb,
lib/new_relic/agent/transaction/distributed_tracer.rb,
lib/new_relic/agent/transaction/request_attributes.rb,
lib/new_relic/agent/transaction/distributed_tracing.rb,
lib/new_relic/agent/transaction/slowest_sample_buffer.rb,
lib/new_relic/agent/transaction/message_broker_segment.rb,
lib/new_relic/agent/transaction/external_request_segment.rb,
lib/new_relic/agent/transaction/synthetics_sample_buffer.rb,
lib/new_relic/agent/transaction/transaction_sample_buffer.rb

Overview

This class represents a single transaction (usually mapping to one web request or background job invocation) instrumented by the Ruby agent.

Defined Under Namespace

Modules: DistributedTracing, TraceBuilder, TraceContext, Tracing Classes: AbstractSegment, DatastoreSegment, DistributedTracer, ExternalRequestSegment, MessageBrokerSegment, RequestAttributes, Segment, SlowestSampleBuffer, SyntheticsSampleBuffer, Trace, TraceNode, TransactionSampleBuffer

Constant Summary collapse

NESTED_TRANSACTION_PREFIX =

for nested transactions

'Nested/'
CONTROLLER_PREFIX =
'Controller/'
MIDDLEWARE_PREFIX =
'Middleware/Rack/'
OTHER_TRANSACTION_PREFIX =
'OtherTransaction/'
TASK_PREFIX =
"#{OTHER_TRANSACTION_PREFIX}Background/"
RAKE_PREFIX =
"#{OTHER_TRANSACTION_PREFIX}Rake/"
MESSAGE_PREFIX =
"#{OTHER_TRANSACTION_PREFIX}Message/"
RACK_PREFIX =
"#{CONTROLLER_PREFIX}Rack/"
RODA_PREFIX =
"#{CONTROLLER_PREFIX}Roda/"
SINATRA_PREFIX =
"#{CONTROLLER_PREFIX}Sinatra/"
GRAPE_PREFIX =
"#{CONTROLLER_PREFIX}Grape/"
ACTION_CABLE_PREFIX =
"#{CONTROLLER_PREFIX}ActionCable/"
WEB_TRANSACTION_CATEGORIES =
%i[action_cable controller grape middleware rack roda sinatra web uri].freeze
MIDDLEWARE_SUMMARY_METRICS =
['Middleware/all'].freeze
WEB_SUMMARY_METRIC =
'HttpDispatcher'
OTHER_SUMMARY_METRIC =
"#{OTHER_TRANSACTION_PREFIX}all"
QUEUE_TIME_METRIC =
'WebFrontend/QueueTime'
APDEX_S =
'S'
APDEX_T =
'T'
APDEX_F =
'F'
APDEX_ALL_METRIC =
'ApdexAll'
APDEX_METRIC =
'Apdex'
APDEX_OTHER_METRIC =
'ApdexOther'
APDEX_TXN_METRIC_PREFIX =
'Apdex/'
APDEX_OTHER_TXN_METRIC_PREFIX =
'ApdexOther/Transaction/'
JRUBY_CPU_TIME_ERROR =
'Error calculating JRuby CPU Time'
@@java_classes_loaded =
false

Instance Attribute Summary collapse

Attributes included from Tracing

#async, #current_segment_by_thread, #total_time

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Tracing

#add_segment, #async?, #segment_complete, #segment_limit, #thread_starting_span

Constructor Details

#initialize(category, options) ⇒ Transaction

rubocop:disable Metrics/AbcSize



214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
# File 'lib/new_relic/agent/transaction.rb', line 214

def initialize(category, options) # rubocop:disable Metrics/AbcSize
  @nesting_max_depth = 0
  @current_segment_by_thread = {}
  @current_segment_lock = Mutex.new
  @segments = []

  self.default_name = options[:transaction_name]
  @overridden_name = nil
  @frozen_name = nil

  @category = category
  @start_time = Process.clock_gettime(Process::CLOCK_REALTIME)
  @end_time = nil
  @duration = nil

  @apdex_start = options[:apdex_start_time] || @start_time
  @jruby_cpu_start = jruby_cpu_time
  @process_cpu_start = process_cpu
  @gc_start_snapshot = NewRelic::Agent::StatsEngine::GCProfiler.take_snapshot
  @filtered_params = options[:filtered_params] || {}

  @exceptions = {}
  @metrics = TransactionMetrics.new
  @logs = PrioritySampledBuffer.new(NewRelic::Agent.instance.log_event_aggregator.capacity)
  @guid = NewRelic::Agent::GuidGenerator.generate_guid

  @ignore_this_transaction = false
  @ignore_apdex = options.fetch(:ignore_apdex, false)
  @ignore_enduser = options.fetch(:ignore_enduser, false)
  @ignore_trace = false

  @sampled = nil
  @priority = nil

  @starting_thread_id = Thread.current.object_id
  @starting_segment_key = current_segment_key

  @attributes = Attributes.new(NewRelic::Agent.instance.attribute_filter)

  merge_request_parameters(@filtered_params)

  if request = options[:request]
    @request_attributes = RequestAttributes.new(request)
  else
    @request_attributes = nil
  end
end

Instance Attribute Details

#apdex_startObject

A Time instance used for calculating the apdex score, which might end up being @start, or it might be further upstream if we can find a request header for the queue entry time



63
64
65
# File 'lib/new_relic/agent/transaction.rb', line 63

def apdex_start
  @apdex_start
end

#attributesObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def attributes
  @attributes
end

#categoryObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def category
  @category
end

#durationObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def duration
  @duration
end

#end_timeObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def end_time
  @end_time
end

#exceptionsObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def exceptions
  @exceptions
end

#filtered_paramsObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def filtered_params
  @filtered_params
end

#gc_start_snapshotObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def gc_start_snapshot
  @gc_start_snapshot
end

#guidObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def guid
  @guid
end

#http_response_codeObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def http_response_code
  @http_response_code
end

#jruby_cpu_startObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def jruby_cpu_start
  @jruby_cpu_start
end

#logsObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def logs
  @logs
end

#metricsObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def metrics
  @metrics
end

#nesting_max_depthObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def nesting_max_depth
  @nesting_max_depth
end

#parent_span_idObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def parent_span_id
  @parent_span_id
end

#payloadObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def payload
  @payload
end

#priorityObject



309
310
311
# File 'lib/new_relic/agent/transaction.rb', line 309

def priority
  @priority ||= (sampled? ? rand + 1.0 : rand).round(NewRelic::PRIORITY_PRECISION)
end

#process_cpu_startObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def process_cpu_start
  @process_cpu_start
end

#raw_synthetics_headerObject

Fields for tracking synthetics requests



93
94
95
# File 'lib/new_relic/agent/transaction.rb', line 93

def raw_synthetics_header
  @raw_synthetics_header
end

#raw_synthetics_info_headerObject

Fields for tracking synthetics requests



93
94
95
# File 'lib/new_relic/agent/transaction.rb', line 93

def raw_synthetics_info_header
  @raw_synthetics_info_header
end

#response_content_lengthObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def response_content_length
  @response_content_length
end

#response_content_typeObject



65
66
67
# File 'lib/new_relic/agent/transaction.rb', line 65

def response_content_type
  @response_content_type
end

#sampled=(value) ⇒ Object (writeonly)



86
87
88
# File 'lib/new_relic/agent/transaction.rb', line 86

def sampled=(value)
  @sampled = value
end

#segmentsObject (readonly)



74
75
76
# File 'lib/new_relic/agent/transaction.rb', line 74

def segments
  @segments
end

#start_timeObject

A Time instance for the start time, never nil



58
59
60
# File 'lib/new_relic/agent/transaction.rb', line 58

def start_time
  @start_time
end

#synthetics_info_payloadObject

Fields for tracking synthetics requests



93
94
95
# File 'lib/new_relic/agent/transaction.rb', line 93

def synthetics_info_payload
  @synthetics_info_payload
end

#synthetics_payloadObject

Fields for tracking synthetics requests



93
94
95
# File 'lib/new_relic/agent/transaction.rb', line 93

def synthetics_payload
  @synthetics_payload
end

#transaction_traceObject (readonly)

Populated with the trace sample once this transaction is completed.



90
91
92
# File 'lib/new_relic/agent/transaction.rb', line 90

def transaction_trace
  @transaction_trace
end

Class Method Details

.abort_transaction!Object

discards the currently saved transaction information



135
136
137
138
139
# File 'lib/new_relic/agent/transaction.rb', line 135

def self.abort_transaction!
  if txn = Tracer.current_transaction
    txn.abort_transaction!
  end
end

.add_agent_attribute(key, value, default_destinations) ⇒ Object



175
176
177
178
179
180
181
# File 'lib/new_relic/agent/transaction.rb', line 175

def self.add_agent_attribute(key, value, default_destinations)
  if txn = tl_current
    txn.add_agent_attribute(key, value, default_destinations)
  else
    NewRelic::Agent.logger.debug("Attempted to add agent attribute: #{key} without transaction")
  end
end

.apdex_bucket(duration, failed, apdex_t) ⇒ Object



162
163
164
165
166
167
168
169
170
171
172
173
# File 'lib/new_relic/agent/transaction.rb', line 162

def self.apdex_bucket(duration, failed, apdex_t)
  case
  when failed
    :apdex_f
  when duration <= apdex_t
    :apdex_s
  when duration <= apdex_t * 4
    :apdex_t
  else
    :apdex_f
  end
end

.merge_untrusted_agent_attributes(attributes, prefix, default_destinations) ⇒ Object



189
190
191
192
193
194
195
# File 'lib/new_relic/agent/transaction.rb', line 189

def self.merge_untrusted_agent_attributes(attributes, prefix, default_destinations)
  if txn = tl_current
    txn.merge_untrusted_agent_attributes(attributes, prefix, default_destinations)
  else
    NewRelic::Agent.logger.debug('Attempted to merge untrusted attributes without transaction')
  end
end

.name_from_partial(partial_name, category) ⇒ Object



114
115
116
117
# File 'lib/new_relic/agent/transaction.rb', line 114

def self.name_from_partial(partial_name, category)
  namer = Instrumentation::ControllerInstrumentation::TransactionNamer
  "#{namer.prefix_for_category(self, category)}#{partial_name}"
end

.nested_transaction_name(name) ⇒ Object



126
127
128
129
130
131
132
# File 'lib/new_relic/agent/transaction.rb', line 126

def self.nested_transaction_name(name)
  if name.start_with?(CONTROLLER_PREFIX, OTHER_TRANSACTION_PREFIX)
    "#{NESTED_TRANSACTION_PREFIX}#{name}"
  else
    name
  end
end

.notice_error(e, options = {}) ⇒ Object

See NewRelic::Agent.notice_error for options and commentary



142
143
144
145
146
147
148
# File 'lib/new_relic/agent/transaction.rb', line 142

def self.notice_error(e, options = {})
  if txn = Tracer.current_transaction
    txn.notice_error(e, options)
  elsif NewRelic::Agent.instance
    NewRelic::Agent.instance.error_collector.notice_error(e, options)
  end
end

.recording_web_transaction?Boolean

Returns truthy if the current in-progress transaction is considered a a web transaction (as opposed to, e.g., a background transaction).

Returns:

  • (Boolean)


155
156
157
158
159
160
# File 'lib/new_relic/agent/transaction.rb', line 155

def self.recording_web_transaction? # THREAD_LOCAL_ACCESS
  NewRelic::Agent.record_api_supportability_metric(:recording_web_transaction?)

  txn = tl_current
  txn&.recording_web_transaction?
end

.set_default_transaction_name(partial_name, category = nil) ⇒ Object

THREAD_LOCAL_ACCESS



100
101
102
103
104
# File 'lib/new_relic/agent/transaction.rb', line 100

def self.set_default_transaction_name(partial_name, category = nil) # THREAD_LOCAL_ACCESS
  txn = tl_current
  name = name_from_partial(partial_name, category || txn.category)
  txn.set_default_transaction_name(name, category)
end

.set_overriding_transaction_name(partial_name, category = nil) ⇒ Object

THREAD_LOCAL_ACCESS



106
107
108
109
110
111
112
# File 'lib/new_relic/agent/transaction.rb', line 106

def self.set_overriding_transaction_name(partial_name, category = nil) # THREAD_LOCAL_ACCESS
  txn = tl_current
  return unless txn

  name = name_from_partial(partial_name, category || txn.category)
  txn.set_overriding_transaction_name(name, category)
end

.start_new_transaction(state, category, options) ⇒ Object



119
120
121
122
123
124
# File 'lib/new_relic/agent/transaction.rb', line 119

def self.start_new_transaction(state, category, options)
  txn = Transaction.new(category, options)
  state.reset(txn)
  txn.start(options)
  txn
end

.tl_currentObject

Return the currently active transaction, or nil.



96
97
98
# File 'lib/new_relic/agent/transaction.rb', line 96

def self.tl_current
  Tracer.current_transaction
end

Instance Method Details

#abort_transaction!Object

Call this to ensure that the current transaction trace is not saved To fully ignore all metrics and errors, use ignore! instead.



497
498
499
# File 'lib/new_relic/agent/transaction.rb', line 497

def abort_transaction!
  @ignore_trace = true
end

#add_agent_attribute(key, value, default_destinations) ⇒ Object



183
184
185
186
187
# File 'lib/new_relic/agent/transaction.rb', line 183

def add_agent_attribute(key, value, default_destinations)
  @attributes.add_agent_attribute(key, value, default_destinations)
  # the following line needs else branch coverage
  current_segment.add_agent_attribute(key, value) if current_segment # rubocop:disable Style/SafeNavigation
end

#add_custom_attributes(p) ⇒ Object



893
894
895
# File 'lib/new_relic/agent/transaction.rb', line 893

def add_custom_attributes(p)
  attributes.merge_custom_attributes(p)
end

#add_log_event(event) ⇒ Object



897
898
899
# File 'lib/new_relic/agent/transaction.rb', line 897

def add_log_event(event)
  logs.append(event: event)
end

#apdex_bucket(duration, current_apdex_t) ⇒ Object



828
829
830
# File 'lib/new_relic/agent/transaction.rb', line 828

def apdex_bucket(duration, current_apdex_t)
  self.class.apdex_bucket(duration, had_error_affecting_apdex?, current_apdex_t)
end

#apdex_tObject



859
860
861
# File 'lib/new_relic/agent/transaction.rb', line 859

def apdex_t
  transaction_specific_apdex_t || Agent.config[:apdex_t]
end

#append_apdex_perf_zone(payload) ⇒ Object



727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
# File 'lib/new_relic/agent/transaction.rb', line 727

def append_apdex_perf_zone(payload)
  if recording_web_transaction?
    bucket = apdex_bucket(duration, apdex_t)
  elsif background_apdex_t = transaction_specific_apdex_t
    bucket = apdex_bucket(duration, background_apdex_t)
  end

  return unless bucket

  bucket_str = case bucket
  when :apdex_s then APDEX_S
  when :apdex_t then APDEX_T
  when :apdex_f then APDEX_F
  end
  payload[:apdex_perf_zone] = bucket_str if bucket_str
end

#append_synthetics_to(payload) ⇒ Object



744
745
746
747
748
749
750
751
752
753
754
755
756
# File 'lib/new_relic/agent/transaction.rb', line 744

def append_synthetics_to(payload)
  return unless is_synthetics_request?

  payload[:synthetics_resource_id] = synthetics_resource_id
  payload[:synthetics_job_id] = synthetics_job_id
  payload[:synthetics_monitor_id] = synthetics_monitor_id
  payload[:synthetics_type] = synthetics_info('type')
  payload[:synthetics_initiator] = synthetics_info('initiator')

  synthetics_additional_attributes do |key, value|
    payload[key] = value
  end
end

#assign_agent_attributesObject



586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
# File 'lib/new_relic/agent/transaction.rb', line 586

def assign_agent_attributes
  default_destinations = AttributeFilter::DST_TRANSACTION_TRACER |
    AttributeFilter::DST_TRANSACTION_EVENTS |
    AttributeFilter::DST_ERROR_COLLECTOR

  if http_response_code
    add_agent_attribute(:'http.statusCode', http_response_code, default_destinations)
  end

  if response_content_length
    add_agent_attribute(:'response.headers.contentLength', response_content_length.to_i, default_destinations)
  end

  if response_content_type
    add_agent_attribute(:'response.headers.contentType', response_content_type, default_destinations)
  end

  @request_attributes&.assign_agent_attributes(self)

  display_host = Agent.config[:'process_host.display_name']
  unless display_host == NewRelic::Agent::Hostname.get
    add_agent_attribute(:'host.displayName', display_host, default_destinations)
  end
end

#assign_intrinsicsObject



611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
# File 'lib/new_relic/agent/transaction.rb', line 611

def assign_intrinsics
  attributes.add_intrinsic_attribute(:priority, priority)

  if gc_time = calculate_gc_time
    attributes.add_intrinsic_attribute(:gc_time, gc_time)
  end

  if burn = cpu_burn
    attributes.add_intrinsic_attribute(:cpu_time, burn)
  end

  if is_synthetics_request?
    attributes.add_intrinsic_attribute(:synthetics_resource_id, synthetics_resource_id)
    attributes.add_intrinsic_attribute(:synthetics_job_id, synthetics_job_id)
    attributes.add_intrinsic_attribute(:synthetics_monitor_id, synthetics_monitor_id)
    attributes.add_intrinsic_attribute(:synthetics_type, synthetics_info('type'))
    attributes.add_intrinsic_attribute(:synthetics_initiator, synthetics_info('initiator'))

    synthetics_additional_attributes do |key, value|
      attributes.add_intrinsic_attribute(key, value)
    end
  end

  distributed_tracer.assign_intrinsics
end

#assign_segment_dt_attributesObject



579
580
581
582
583
584
# File 'lib/new_relic/agent/transaction.rb', line 579

def assign_segment_dt_attributes
  dt_payload = distributed_tracer.trace_state_payload || distributed_tracer.distributed_trace_payload
  parent_attributes = {}
  DistributedTraceAttributes.copy_parent_attributes(self, dt_payload, parent_attributes)
  parent_attributes.each { |k, v| initial_segment.add_agent_attribute(k, v) }
end

#background_summary_metricsObject



509
510
511
512
513
514
515
516
# File 'lib/new_relic/agent/transaction.rb', line 509

def background_summary_metrics
  segments = @frozen_name.split('/')
  if segments.size > 2
    ["OtherTransaction/#{segments[1]}/all", OTHER_SUMMARY_METRIC]
  else
    []
  end
end

#best_nameObject Also known as: transaction_name



380
381
382
383
384
385
# File 'lib/new_relic/agent/transaction.rb', line 380

def best_name
  @frozen_name ||
    @overridden_name ||
    @default_name ||
    NewRelic::Agent::UNKNOWN_METRIC
end

#calculate_gc_timeObject



644
645
646
647
# File 'lib/new_relic/agent/transaction.rb', line 644

def calculate_gc_time
  gc_stop_snapshot = NewRelic::Agent::StatsEngine::GCProfiler.take_snapshot
  NewRelic::Agent::StatsEngine::GCProfiler.record_delta(gc_start_snapshot, gc_stop_snapshot)
end

#calculate_transport_duration(distributed_trace_payload) ⇒ Object

This method returns transport_duration in seconds. Transport duration is stored in milliseconds on the payload, but it’s needed in seconds for metrics and intrinsics.



652
653
654
655
656
657
# File 'lib/new_relic/agent/transaction.rb', line 652

def calculate_transport_duration(distributed_trace_payload)
  return unless distributed_trace_payload

  duration = start_time - (distributed_trace_payload.timestamp / 1000.0)
  [duration, 0].max
end

#commit!(outermost_node_name) ⇒ Object



557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
# File 'lib/new_relic/agent/transaction.rb', line 557

def commit!(outermost_node_name)
  generate_payload
  assign_intrinsics

  finalize_segments

  @transaction_trace = transaction_sampler.on_finishing_transaction(self)
  sql_sampler.on_finishing_transaction(state, @frozen_name)

  record_summary_metrics(outermost_node_name)
  record_total_time_metrics
  record_apdex unless ignore_apdex?
  record_queue_time
  distributed_tracer.record_metrics

  record_exceptions
  record_transaction_event
  record_log_events
  merge_metrics
  send_transaction_finished_event
end

#cpu_burnObject



913
914
915
# File 'lib/new_relic/agent/transaction.rb', line 913

def cpu_burn
  normal_cpu_burn || jruby_cpu_burn
end

#create_initial_segment(options = {}) ⇒ Object



447
448
449
450
# File 'lib/new_relic/agent/transaction.rb', line 447

def create_initial_segment(options = {})
  segment = create_segment(@default_name, options)
  segment.record_scoped_metric = false
end

#create_nested_segment(category, options) ⇒ Object



473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
# File 'lib/new_relic/agent/transaction.rb', line 473

def create_nested_segment(category, options)
  if options[:filtered_params] && !options[:filtered_params].empty?
    @filtered_params = options[:filtered_params]
    merge_request_parameters(options[:filtered_params])
  end

  @ignore_apdex = options[:ignore_apdex] if options.key?(:ignore_apdex)
  @ignore_enduser = options[:ignore_enduser] if options.key?(:ignore_enduser)

  nest_initial_segment if segments.length == 1
  nested_name = self.class.nested_transaction_name(options[:transaction_name])

  segment = create_segment(nested_name, options)
  set_default_transaction_name(options[:transaction_name], category)
  segment
end

#create_segment(name, options = {}) ⇒ Object



452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
# File 'lib/new_relic/agent/transaction.rb', line 452

def create_segment(name, options = {})
  summary_metrics = nil

  if name.start_with?(MIDDLEWARE_PREFIX)
    summary_metrics = MIDDLEWARE_SUMMARY_METRICS
  end

  @nesting_max_depth += 1

  segment = Tracer.start_segment(
    name: name,
    unscoped_metrics: summary_metrics
  )

  # #code_information will glean the code info out of the options hash
  # if it exists or noop otherwise
  segment.code_information = options

  segment
end

#current_segmentObject



274
275
276
277
278
# File 'lib/new_relic/agent/transaction.rb', line 274

def current_segment
  current_segment_by_thread[current_segment_key] ||
    current_segment_by_thread[parent_segment_key] ||
    current_segment_by_thread[@starting_segment_key]
end

#current_segment_keyObject



266
267
268
# File 'lib/new_relic/agent/transaction.rb', line 266

def current_segment_key
  Tracer.current_segment_key
end

#default_name=(name) ⇒ Object



347
348
349
# File 'lib/new_relic/agent/transaction.rb', line 347

def default_name=(name)
  @default_name = Helper.correctly_encoded(name)
end

#distributed_tracerObject



288
289
290
# File 'lib/new_relic/agent/transaction.rb', line 288

def distributed_tracer
  @distributed_tracer ||= DistributedTracer.new(self)
end

#finishObject



522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
# File 'lib/new_relic/agent/transaction.rb', line 522

def finish
  return unless state.is_execution_traced? && initial_segment

  @end_time = Process.clock_gettime(Process::CLOCK_REALTIME)
  @duration = @end_time - @start_time
  freeze_name_and_execute_if_not_ignored

  if nesting_max_depth == 1
    initial_segment.name = @frozen_name
  end

  initial_segment.transaction_name = @frozen_name
  assign_segment_dt_attributes
  assign_agent_attributes
  initial_segment.finish

  NewRelic::Agent::TransactionTimeAggregator.transaction_stop(@end_time, @starting_thread_id)

  commit!(initial_segment.name) unless @ignore_this_transaction
rescue => e
  NewRelic::Agent.logger.error('Exception during Transaction#finish', e)
  nil
ensure
  state.reset
end

#finished?Boolean

Returns:

  • (Boolean)


443
444
445
# File 'lib/new_relic/agent/transaction.rb', line 443

def finished?
  initial_segment&.finished?
end

#freeze_name_and_execute_if_not_ignoredObject



399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
# File 'lib/new_relic/agent/transaction.rb', line 399

def freeze_name_and_execute_if_not_ignored
  if !name_frozen?
    name = promoted_transaction_name(best_name)
    name = NewRelic::Agent.instance.transaction_rules.rename(name)
    @name_frozen = true

    if name.nil?
      ignore!
      @frozen_name = best_name
    else
      @frozen_name = name
    end
  end

  if block_given? && !@ignore_this_transaction
    yield
  end
end

#generate_payloadObject



673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
# File 'lib/new_relic/agent/transaction.rb', line 673

def generate_payload
  @payload = {
    :name => @frozen_name,
    :bucket => recording_web_transaction? ? :request : :background,
    :start_timestamp => start_time,
    :duration => duration,
    :metrics => @metrics,
    :attributes => @attributes,
    :error => false,
    :priority => priority
  }

  distributed_tracer.append_payload(@payload)
  append_apdex_perf_zone(@payload)
  append_synthetics_to(@payload)
end

#had_error_affecting_apdex?Boolean

Returns:

  • (Boolean)


818
819
820
821
822
823
824
825
826
# File 'lib/new_relic/agent/transaction.rb', line 818

def had_error_affecting_apdex?
  @exceptions.each do |exception, options|
    ignored = NewRelic::Agent.instance.error_collector.error_is_ignored?(exception)
    expected = options[:expected]

    return true unless ignored || expected
  end
  false
end

#ignore!Object



929
930
931
# File 'lib/new_relic/agent/transaction.rb', line 929

def ignore!
  @ignore_this_transaction = true
end

#ignore?Boolean

Returns:

  • (Boolean)


933
934
935
# File 'lib/new_relic/agent/transaction.rb', line 933

def ignore?
  @ignore_this_transaction
end

#ignore_apdex!Object



937
938
939
# File 'lib/new_relic/agent/transaction.rb', line 937

def ignore_apdex!
  @ignore_apdex = true
end

#ignore_apdex?Boolean

Returns:

  • (Boolean)


941
942
943
# File 'lib/new_relic/agent/transaction.rb', line 941

def ignore_apdex?
  @ignore_apdex
end

#ignore_enduser!Object



945
946
947
# File 'lib/new_relic/agent/transaction.rb', line 945

def ignore_enduser!
  @ignore_enduser = true
end

#ignore_enduser?Boolean

Returns:

  • (Boolean)


949
950
951
# File 'lib/new_relic/agent/transaction.rb', line 949

def ignore_enduser?
  @ignore_enduser
end

#ignore_trace?Boolean

Returns:

  • (Boolean)


953
954
955
# File 'lib/new_relic/agent/transaction.rb', line 953

def ignore_trace?
  @ignore_trace
end

#include_guid?Boolean

Returns:

  • (Boolean)


690
691
692
# File 'lib/new_relic/agent/transaction.rb', line 690

def include_guid?
  distributed_tracer.is_cross_app? || is_synthetics_request?
end

#influences_transaction_name?(category) ⇒ Boolean

Returns:

  • (Boolean)


376
377
378
# File 'lib/new_relic/agent/transaction.rb', line 376

def influences_transaction_name?(category)
  !category || nesting_max_depth == 1 || similar_category?(category)
end

#initial_segmentObject



439
440
441
# File 'lib/new_relic/agent/transaction.rb', line 439

def initial_segment
  segments.first
end

#instrumentation_stateObject

This transaction-local hash may be used as temporary storage by instrumentation that needs to pass data from one instrumentation point to another.

For example, if both A and B are instrumented, and A calls B but some piece of state needed by the instrumentation at B is only available at A, the instrumentation at A may write into the hash, call through, and then remove the key afterwards, allowing the instrumentation at B to read the value in between.

Keys should be symbols, and care should be taken to not generate key names dynamically, and to ensure that keys are removed upon return from the method that creates them.



339
340
341
# File 'lib/new_relic/agent/transaction.rb', line 339

def instrumentation_state
  @instrumentation_state ||= {}
end

#is_synthetics_request?Boolean

Returns:

  • (Boolean)


694
695
696
# File 'lib/new_relic/agent/transaction.rb', line 694

def is_synthetics_request?
  !synthetics_payload.nil? && !raw_synthetics_header.nil?
end

#jruby_cpu_burnObject



923
924
925
926
927
# File 'lib/new_relic/agent/transaction.rb', line 923

def jruby_cpu_burn
  return unless @jruby_cpu_start

  jruby_cpu_time - @jruby_cpu_start
end

#log_frozen_name(name) ⇒ Object



371
372
373
374
# File 'lib/new_relic/agent/transaction.rb', line 371

def log_frozen_name(name)
  NewRelic::Agent.logger.warn("Attempted to rename transaction to '#{name}' after transaction name was already frozen as '#{@frozen_name}'.")
  nil
end

#merge_metricsObject



758
759
760
# File 'lib/new_relic/agent/transaction.rb', line 758

def merge_metrics
  NewRelic::Agent.instance.stats_engine.merge_transaction_metrics!(@metrics, best_name)
end

#merge_request_parameters(params) ⇒ Object



351
352
353
# File 'lib/new_relic/agent/transaction.rb', line 351

def merge_request_parameters(params)
  merge_untrusted_agent_attributes(params, :'request.parameters', AttributeFilter::DST_NONE)
end

#merge_untrusted_agent_attributes(attributes, prefix, default_destinations) ⇒ Object



197
198
199
200
# File 'lib/new_relic/agent/transaction.rb', line 197

def merge_untrusted_agent_attributes(attributes, prefix, default_destinations)
  @attributes.merge_untrusted_agent_attributes(attributes, prefix, default_destinations)
  current_segment&.merge_untrusted_agent_attributes(attributes, prefix, default_destinations)
end

#name_frozen?Boolean

Returns:

  • (Boolean)


418
419
420
# File 'lib/new_relic/agent/transaction.rb', line 418

def name_frozen?
  @frozen_name ? true : false
end

#needs_middleware_summary_metrics?(name) ⇒ Boolean

Returns:

  • (Boolean)


518
519
520
# File 'lib/new_relic/agent/transaction.rb', line 518

def needs_middleware_summary_metrics?(name)
  name.start_with?(MIDDLEWARE_PREFIX)
end

#nest_initial_segmentObject



490
491
492
493
# File 'lib/new_relic/agent/transaction.rb', line 490

def nest_initial_segment
  self.initial_segment.name = self.class.nested_transaction_name(initial_segment.name)
  initial_segment.record_scoped_metric = true
end

#normal_cpu_burnObject



917
918
919
920
921
# File 'lib/new_relic/agent/transaction.rb', line 917

def normal_cpu_burn
  return unless @process_cpu_start

  process_cpu - @process_cpu_start
end

#notice_error(error, options = {}) ⇒ Object

Do not call this. Invoke the class method instead.



781
782
783
784
785
786
787
788
789
790
791
792
793
# File 'lib/new_relic/agent/transaction.rb', line 781

def notice_error(error, options = {}) # :nodoc:
  # Only the last error is kept
  if current_segment
    current_segment.notice_error(error, expected: options[:expected])
    options[:span_id] = current_segment.guid
  end

  if @exceptions[error]
    @exceptions[error].merge!(options)
  else
    @exceptions[error] = options
  end
end

#overridden_name=(name) ⇒ Object



343
344
345
# File 'lib/new_relic/agent/transaction.rb', line 343

def overridden_name=(name)
  @overridden_name = Helper.correctly_encoded(name)
end

#parent_segment_keyObject



270
271
272
# File 'lib/new_relic/agent/transaction.rb', line 270

def parent_segment_key
  (::Fiber.current.nr_parent_key if ::Fiber.current.respond_to?(:nr_parent_key)) || (::Thread.current.nr_parent_key if ::Thread.current.respond_to?(:nr_parent_key))
end

End common interface



391
392
393
394
395
396
397
# File 'lib/new_relic/agent/transaction.rb', line 391

def promoted_transaction_name(name)
  if name.start_with?(MIDDLEWARE_PREFIX)
    "#{CONTROLLER_PREFIX}#{name}"
  else
    name
  end
end

#queue_timeObject



803
804
805
# File 'lib/new_relic/agent/transaction.rb', line 803

def queue_time
  @apdex_start ? @start_time - @apdex_start : 0
end

#record_apdexObject



832
833
834
835
836
837
838
839
840
841
842
843
844
# File 'lib/new_relic/agent/transaction.rb', line 832

def record_apdex
  return unless state.is_execution_traced?

  freeze_name_and_execute_if_not_ignored do
    if recording_web_transaction?
      record_apdex_metrics(APDEX_METRIC, APDEX_TXN_METRIC_PREFIX, apdex_t)
    else
      record_apdex_metrics(APDEX_OTHER_METRIC,
        APDEX_OTHER_TXN_METRIC_PREFIX,
        transaction_specific_apdex_t)
    end
  end
end

#record_apdex_metrics(rollup_metric, transaction_prefix, current_apdex_t) ⇒ Object



846
847
848
849
850
851
852
853
854
855
856
857
# File 'lib/new_relic/agent/transaction.rb', line 846

def record_apdex_metrics(rollup_metric, transaction_prefix, current_apdex_t)
  return unless current_apdex_t

  total_duration = end_time - apdex_start
  apdex_bucket_global = apdex_bucket(total_duration, current_apdex_t)
  apdex_bucket_txn = apdex_bucket(duration, current_apdex_t)

  @metrics.record_unscoped(rollup_metric, apdex_bucket_global, current_apdex_t)
  @metrics.record_unscoped(APDEX_ALL_METRIC, apdex_bucket_global, current_apdex_t)
  txn_apdex_metric = @frozen_name.sub(/^[^\/]+\//, transaction_prefix)
  @metrics.record_unscoped(txn_apdex_metric, apdex_bucket_txn, current_apdex_t)
end

#record_exception(exception, options, error_recorded) ⇒ Object



770
771
772
773
774
775
776
777
778
# File 'lib/new_relic/agent/transaction.rb', line 770

def record_exception(exception, options, error_recorded)
  options[:uri] ||= request_path if request_path
  options[:port] = request_port if request_port
  options[:metric] = best_name
  options[:attributes] = @attributes

  span_id = options.delete(:span_id)
  !!agent.error_collector.notice_error(exception, options, span_id) || error_recorded
end

#record_exceptionsObject



762
763
764
765
766
767
768
# File 'lib/new_relic/agent/transaction.rb', line 762

def record_exceptions
  error_recorded = false
  @exceptions.each do |exception, options|
    error_recorded = record_exception(exception, options, error_recorded)
  end
  payload&.[]=(:error, error_recorded)
end

#record_log_eventsObject



799
800
801
# File 'lib/new_relic/agent/transaction.rb', line 799

def record_log_events
  agent.log_event_aggregator.record_batch(self, @logs.to_a)
end

#record_queue_timeObject



807
808
809
810
811
812
813
814
815
816
# File 'lib/new_relic/agent/transaction.rb', line 807

def record_queue_time
  value = queue_time
  if value > 0.0
    if value < MethodTracerHelpers::MAX_ALLOWED_METRIC_DURATION
      @metrics.record_unscoped(QUEUE_TIME_METRIC, value)
    else
      ::NewRelic::Agent.logger.log_once(:warn, :too_high_queue_time, "Not recording unreasonably large queue time of #{value} s")
    end
  end
end

#record_summary_metrics(outermost_node_name) ⇒ Object

The summary metrics recorded by this method all end up with a duration equal to the transaction itself, and an exclusive time of zero.



661
662
663
664
665
# File 'lib/new_relic/agent/transaction.rb', line 661

def record_summary_metrics(outermost_node_name)
  metrics = summary_metrics
  metrics << @frozen_name unless @frozen_name == outermost_node_name
  @metrics.record_unscoped(metrics, duration, 0)
end

#record_transaction_eventObject



795
796
797
# File 'lib/new_relic/agent/transaction.rb', line 795

def record_transaction_event
  agent.transaction_event_recorder.record(payload)
end

#recording_web_transaction?Boolean

Returns:

  • (Boolean)


901
902
903
# File 'lib/new_relic/agent/transaction.rb', line 901

def recording_web_transaction?
  web_category?(@category)
end

#refererObject



313
314
315
# File 'lib/new_relic/agent/transaction.rb', line 313

def referer
  @request_attributes&.referer
end

#remove_current_segment_by_thread_id(id) ⇒ Object



284
285
286
# File 'lib/new_relic/agent/transaction.rb', line 284

def remove_current_segment_by_thread_id(id)
  @current_segment_lock.synchronize { current_segment_by_thread.delete(id) }
end

#request_pathObject



317
318
319
# File 'lib/new_relic/agent/transaction.rb', line 317

def request_path
  @request_attributes&.request_path
end

#request_portObject



321
322
323
# File 'lib/new_relic/agent/transaction.rb', line 321

def request_port
  @request_attributes&.port
end

#sampled?Boolean

Returns:

  • (Boolean)


292
293
294
295
296
297
298
299
# File 'lib/new_relic/agent/transaction.rb', line 292

def sampled?
  return false unless Agent.config[:'distributed_tracing.enabled']

  if @sampled.nil?
    @sampled = NewRelic::Agent.instance.adaptive_sampler.sampled?
  end
  @sampled
end

#send_transaction_finished_eventObject

This event is fired when the transaction is fully completed. The metric values and sampler can’t be successfully modified from this event.



669
670
671
# File 'lib/new_relic/agent/transaction.rb', line 669

def send_transaction_finished_event
  agent.events.notify(:transaction_finished, payload)
end

#set_current_segment(new_segment) ⇒ Object



280
281
282
# File 'lib/new_relic/agent/transaction.rb', line 280

def set_current_segment(new_segment)
  @current_segment_lock.synchronize { current_segment_by_thread[current_segment_key] = new_segment }
end

#set_default_transaction_name(name, category) ⇒ Object



355
356
357
358
359
360
361
362
# File 'lib/new_relic/agent/transaction.rb', line 355

def set_default_transaction_name(name, category)
  return log_frozen_name(name) if name_frozen?

  if influences_transaction_name?(category)
    self.default_name = name
    @category = category if category
  end
end

#set_overriding_transaction_name(name, category) ⇒ Object



364
365
366
367
368
369
# File 'lib/new_relic/agent/transaction.rb', line 364

def set_overriding_transaction_name(name, category)
  return log_frozen_name(name) if name_frozen?

  self.overridden_name = name
  @category = category if category
end

#similar_category?(category) ⇒ Boolean

Returns:

  • (Boolean)


909
910
911
# File 'lib/new_relic/agent/transaction.rb', line 909

def similar_category?(category)
  web_category?(@category) == web_category?(category)
end

#start(options = {}) ⇒ Object



422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
# File 'lib/new_relic/agent/transaction.rb', line 422

def start(options = {})
  return if !state.is_execution_traced?

  sql_sampler.on_start_transaction(state, request_path)
  NewRelic::Agent.instance.events.notify(:start_transaction)
  NewRelic::Agent::TransactionTimeAggregator.transaction_start(start_time)

  ignore! if user_defined_rules_ignore?

  create_initial_segment(options)
  Segment.merge_untrusted_agent_attributes( \
    @filtered_params,
    :'request.parameters',
    AttributeFilter::DST_SPAN_EVENTS
  )
end

#stateObject



262
263
264
# File 'lib/new_relic/agent/transaction.rb', line 262

def state
  NewRelic::Agent::Tracer.state
end

#summary_metricsObject



501
502
503
504
505
506
507
# File 'lib/new_relic/agent/transaction.rb', line 501

def summary_metrics
  if @frozen_name.start_with?(CONTROLLER_PREFIX)
    [WEB_SUMMARY_METRIC]
  else
    background_summary_metrics
  end
end

#synthetics_account_idObject



703
704
705
706
# File 'lib/new_relic/agent/transaction.rb', line 703

def 
  info = synthetics_payload or return nil
  info[1]
end

#synthetics_additional_attributes(&block) ⇒ Object



637
638
639
640
641
642
# File 'lib/new_relic/agent/transaction.rb', line 637

def synthetics_additional_attributes(&block)
  synthetics_info('attributes')&.each do |k, v|
    new_key = "synthetics_#{NewRelic::LanguageSupport.snakeize(k.to_s)}".to_sym
    yield(new_key, v.to_s)
  end
end

#synthetics_info(key) ⇒ Object



723
724
725
# File 'lib/new_relic/agent/transaction.rb', line 723

def synthetics_info(key)
  synthetics_info_payload[key] if synthetics_info_payload
end

#synthetics_job_idObject



713
714
715
716
# File 'lib/new_relic/agent/transaction.rb', line 713

def synthetics_job_id
  info = synthetics_payload or return nil
  info[3]
end

#synthetics_monitor_idObject



718
719
720
721
# File 'lib/new_relic/agent/transaction.rb', line 718

def synthetics_monitor_id
  info = synthetics_payload or return nil
  info[4]
end

#synthetics_resource_idObject



708
709
710
711
# File 'lib/new_relic/agent/transaction.rb', line 708

def synthetics_resource_id
  info = synthetics_payload or return nil
  info[2]
end

#synthetics_versionObject



698
699
700
701
# File 'lib/new_relic/agent/transaction.rb', line 698

def synthetics_version
  info = synthetics_payload or return nil
  info[0]
end

#thresholdObject



868
869
870
871
872
873
874
875
# File 'lib/new_relic/agent/transaction.rb', line 868

def threshold
  source_class = Agent.config.source(:'transaction_tracer.transaction_threshold').class
  if source_class == Configuration::DefaultSource
    apdex_t * 4
  else
    Agent.config[:'transaction_tracer.transaction_threshold']
  end
end

#trace_idObject



301
302
303
# File 'lib/new_relic/agent/transaction.rb', line 301

def trace_id
  @trace_id ||= NewRelic::Agent::GuidGenerator.generate_guid(32)
end

#trace_id=(value) ⇒ Object



305
306
307
# File 'lib/new_relic/agent/transaction.rb', line 305

def trace_id=(value)
  @trace_id = value
end

#transaction_specific_apdex_tObject



863
864
865
866
# File 'lib/new_relic/agent/transaction.rb', line 863

def transaction_specific_apdex_t
  key = :web_transactions_apdex
  Agent.config[key] && Agent.config[key][best_name]
end

#user_defined_rules_ignore?Boolean

Returns:

  • (Boolean)


548
549
550
551
552
553
554
555
# File 'lib/new_relic/agent/transaction.rb', line 548

def user_defined_rules_ignore?
  return false unless request_path
  return false if (rules = NewRelic::Agent.config[:"rules.ignore_url_regexes"]).empty?

  rules.any? do |rule|
    request_path.match(rule)
  end
end

#web_category?(category) ⇒ Boolean

Returns:

  • (Boolean)


905
906
907
# File 'lib/new_relic/agent/transaction.rb', line 905

def web_category?(category)
  WEB_TRANSACTION_CATEGORIES.include?(category)
end

#with_database_metric_name(model, method, product = nil) ⇒ Object



877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
# File 'lib/new_relic/agent/transaction.rb', line 877

def with_database_metric_name(model, method, product = nil)
  previous = self.instrumentation_state[:datastore_override]
  model_name = case model
               when Class
                 model.name
               when String
                 model
               else
                 model.to_s
  end
  self.instrumentation_state[:datastore_override] = [method, model_name, product]
  yield
ensure
  self.instrumentation_state[:datastore_override] = previous
end