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

Returns a new instance of Transaction.



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# File 'lib/new_relic/agent/transaction.rb', line 216

def initialize(category, options)
  @nesting_max_depth = 0
  @current_segment_by_thread = {}
  @current_segment_lock = Mutex.new
  @segment_lock = Mutex.new
  @finish_mutex = 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 = TransactionTimeAggregator.current_execution_context_id
  @starting_segment_key = current_segment_key

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

  merge_request_parameters(@filtered_params)

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

Instance Attribute Details

#apdex_start ⇒ Object

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



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

def apdex_start
  @apdex_start
end

#attributes ⇒ Object (readonly) 



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

def attributes
  @attributes
end

#category ⇒ Object (readonly) 



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

def category
  @category
end

#duration ⇒ Object (readonly) 



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

def duration
  @duration
end

#end_time ⇒ Object (readonly) 



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

def end_time
  @end_time
end

#exceptions ⇒ Object 



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

def exceptions
  @exceptions
end

#filtered_params ⇒ Object 



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

def filtered_params
  @filtered_params
end

#gc_start_snapshot ⇒ Object (readonly) 



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

def gc_start_snapshot
  @gc_start_snapshot
end

#guid ⇒ Object (readonly) 



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

def guid
  @guid
end

#http_response_code ⇒ Object 



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

def http_response_code
  @http_response_code
end

#jruby_cpu_start ⇒ Object 



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

def jruby_cpu_start
  @jruby_cpu_start
end

#logs ⇒ Object (readonly) 



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

def logs
  @logs
end

#metrics ⇒ Object (readonly) 



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

def metrics
  @metrics
end

#nesting_max_depth ⇒ Object (readonly) 



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

def nesting_max_depth
  @nesting_max_depth
end

#parent_span_id ⇒ Object 



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

def parent_span_id
  @parent_span_id
end

#payload ⇒ Object (readonly) 



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

def payload
  @payload
end

#priority ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 338

def priority
  @priority ||= case NewRelic::Agent.config[:'distributed_tracing.sampler.root']
  when 'adaptive', 'trace_id_ratio_based'
    default_priority
  when 'always_on'
    2.0
  when 'always_off'
    0
  end
end

#process_cpu_start ⇒ Object 



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

def process_cpu_start
  @process_cpu_start
end

#raw_synthetics_header ⇒ Object

Fields for tracking synthetics requests



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

def raw_synthetics_header
  @raw_synthetics_header
end

#raw_synthetics_info_header ⇒ Object

Fields for tracking synthetics requests



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

def raw_synthetics_info_header
  @raw_synthetics_info_header
end

#response_content_length ⇒ Object 



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

def response_content_length
  @response_content_length
end

#response_content_type ⇒ Object 



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

def response_content_type
  @response_content_type
end

#response_status ⇒ Object 



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

def response_status
  @response_status
end

#sampled=(value) ⇒ Object (writeonly) 



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

def sampled=(value)
  @sampled = value
end

#segments ⇒ Object (readonly) 



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

def segments
  @segments
end

#start_time ⇒ Object

A Time instance for the start time, never nil



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

def start_time
  @start_time
end

#synthetics_info_payload ⇒ Object

Fields for tracking synthetics requests



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

def synthetics_info_payload
  @synthetics_info_payload
end

#synthetics_payload ⇒ Object

Fields for tracking synthetics requests



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

def synthetics_payload
  @synthetics_payload
end

#transaction_trace ⇒ Object (readonly)

Populated with the trace sample once this transaction is completed.



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

def transaction_trace
  @transaction_trace
end

Class Method Details

.abort_transaction! ⇒ Object

discards the currently saved transaction information



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# File 'lib/new_relic/agent/transaction.rb', line 137

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

.add_agent_attribute(key, value, default_destinations) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 177

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 



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# File 'lib/new_relic/agent/transaction.rb', line 164

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 



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# File 'lib/new_relic/agent/transaction.rb', line 191

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 



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

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 



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# File 'lib/new_relic/agent/transaction.rb', line 128

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



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# File 'lib/new_relic/agent/transaction.rb', line 144

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 157

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



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# File 'lib/new_relic/agent/transaction.rb', line 102

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



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# File 'lib/new_relic/agent/transaction.rb', line 108

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 



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# File 'lib/new_relic/agent/transaction.rb', line 121

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

.tl_current ⇒ Object

Return the currently active transaction, or nil.



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

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.



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# File 'lib/new_relic/agent/transaction.rb', line 533

def abort_transaction!
  @ignore_trace = true
end

#add_agent_attribute(key, value, default_destinations) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 185

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 



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

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

#add_log_event(event) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 948

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

#add_transaction_log_attributes(params) ⇒ Object 



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

def add_transaction_log_attributes(params)
  @log_attributes ||= LogEventAttributes.new
  @log_attributes.add_custom_attributes(params)
end

#apdex_bucket(duration, current_apdex_t) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 870

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

#apdex_t ⇒ Object 



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

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

#append_apdex_perf_zone(payload) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 773

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 



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# File 'lib/new_relic/agent/transaction.rb', line 790

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_attributes ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 628

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_status
    add_agent_attribute(:'response.status', response_status, 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_intrinsics ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 657

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_attributes ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 621

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_metrics ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 545

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

#best_name ⇒ Object Also known as: transaction_name 



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# File 'lib/new_relic/agent/transaction.rb', line 416

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

#calculate_gc_time ⇒ Object 



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

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.



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

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 



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# File 'lib/new_relic/agent/transaction.rb', line 599

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_burn ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 964

def cpu_burn
  normal_cpu_burn || jruby_cpu_burn
end

#create_initial_segment(options = {}) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 483

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

#create_nested_segment(category, options) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 509

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 



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# File 'lib/new_relic/agent/transaction.rb', line 488

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_segment ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 279

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_key ⇒ Object 



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

def current_segment_key
  Tracer.current_segment_key
end

#default_name=(name) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 383

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

#default_priority ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 334

def default_priority
  (sampled? ? rand + 1.0 : rand).round(NewRelic::PRIORITY_PRECISION)
end

#distributed_tracer ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 293

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

#finish ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 558

def finish
  @finish_mutex.synchronize do
    # Guard against double-finishing to prevent duplicate transaction recording
    # This can occur in multi-threaded/fiber environments or when finish is called
    # explicitly before the wrapping code calls it again (e.g., Tracer.in_transaction)
    return unless state.is_execution_traced? && initial_segment
    return if finished?

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

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 479

def finished?
  initial_segment&.finished?
end

#freeze_name_and_execute_if_not_ignored ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 435

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_payload ⇒ Object 



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

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) 


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

def had_error_affecting_apdex?
  @exceptions.each.any? do |exception, options|
    NewRelic::Agent.instance.error_collector.error_affects_apdex?(exception, options)
  end
end

#ignore! ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 980

def ignore!
  @ignore_this_transaction = true
end

#ignore? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 984

def ignore?
  @ignore_this_transaction
end

#ignore_apdex! ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 988

def ignore_apdex!
  @ignore_apdex = true
end

#ignore_apdex? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 992

def ignore_apdex?
  @ignore_apdex
end

#ignore_enduser! ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 996

def ignore_enduser!
  @ignore_enduser = true
end

#ignore_enduser? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 1000

def ignore_enduser?
  @ignore_enduser
end

#ignore_trace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 1004

def ignore_trace?
  @ignore_trace
end

#include_guid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 736

def include_guid?
  is_synthetics_request?
end

#influences_transaction_name?(category) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 412

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

#initial_segment ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 475

def initial_segment
  segments&.first
end

#instrumentation_state ⇒ Object

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.



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# File 'lib/new_relic/agent/transaction.rb', line 375

def instrumentation_state
  @instrumentation_state ||= {}
end

#is_synthetics_request? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 740

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

#jruby_cpu_burn ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 974

def jruby_cpu_burn
  return unless @jruby_cpu_start

  jruby_cpu_time - @jruby_cpu_start
end

#log_attributes ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 944

def log_attributes
  @log_attributes
end

#log_frozen_name(name) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 407

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_metrics ⇒ Object 



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

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

#merge_request_parameters(params) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 387

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 



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

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 454

def name_frozen?
  @frozen_name ? true : false
end

#needs_middleware_summary_metrics?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 554

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

#nest_initial_segment ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 526

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_burn ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 968

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.



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# File 'lib/new_relic/agent/transaction.rb', line 827

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 



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# File 'lib/new_relic/agent/transaction.rb', line 379

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

#parent_segment_key ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 275

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



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# File 'lib/new_relic/agent/transaction.rb', line 427

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

#queue_time ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 849

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

#record_apdex ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 874

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 



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# File 'lib/new_relic/agent/transaction.rb', line 888

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 



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# File 'lib/new_relic/agent/transaction.rb', line 816

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_exceptions ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 808

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_events ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 845

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

#record_queue_time ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 853

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.



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# File 'lib/new_relic/agent/transaction.rb', line 707

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_event ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 841

def record_transaction_event
  agent.transaction_event_recorder.record(payload)
end

#recording_web_transaction? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 952

def recording_web_transaction?
  web_category?(@category)
end

#referer ⇒ Object 



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

def referer
  @request_attributes&.referer
end

#remove_current_segment_by_thread_id(id) ⇒ Object 



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

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

#request_path ⇒ Object 



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

def request_path
  @request_attributes&.request_path
end

#request_port ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 357

def request_port
  @request_attributes&.port
end

#sampled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 297

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

  if @sampled.nil?
    @sampled = case NewRelic::Agent.config[:'distributed_tracing.sampler.root']
    when 'adaptive'
      NewRelic::Agent.instance.adaptive_sampler.sampled?
    when 'always_on'
      true
    when 'always_off'
      false
    when 'trace_id_ratio_based'
      trace_ratio_sampled?(NewRelic::Agent.config[:'distributed_tracing.sampler.root.trace_id_ratio_based.ratio'])
    end
  end
  @sampled
end

#send_transaction_finished_event ⇒ Object

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



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

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

#set_current_segment(new_segment) ⇒ Object 



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

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 



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# File 'lib/new_relic/agent/transaction.rb', line 391

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 



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# File 'lib/new_relic/agent/transaction.rb', line 400

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 960

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

#start(options = {}) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 458

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

#state ⇒ Object 



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

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

#summary_metrics ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 537

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

#synthetics_account_id ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 749

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

#synthetics_additional_attributes(&block) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 683

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 



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# File 'lib/new_relic/agent/transaction.rb', line 769

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

#synthetics_job_id ⇒ Object 



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

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

#synthetics_monitor_id ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 764

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

#synthetics_resource_id ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 754

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

#synthetics_version ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 744

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

#threshold ⇒ Object 



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

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_id ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 326

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

#trace_id=(value) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 330

def trace_id=(value)
  @trace_id = value
end

#trace_ratio_sampled?(ratio) ⇒ Boolean

Returns:

  • (Boolean) 


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

def trace_ratio_sampled?(ratio)
  # In the opentelemetry-sdk TraceIdRatioBased sampler, the algorithm
  # looks like this:
  # ratio == 1.0 || trace_id[8, 8].unpack1('Q>') < (ratio * (2**64 - 1)).ceil
  # OTel stores their trace ids as binary strings
  # ex. Array(trace_id).pack('H*')
  # Since we don't store our trace ids as binary strings, this way is
  # faster, but still gets the same result.
  ratio == 1.0 || Integer(trace_id[16, 16], 16) < (ratio * (2**64 - 1)).ceil
end

#transaction_specific_apdex_t ⇒ Object 



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

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 590

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 956

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

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



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# File 'lib/new_relic/agent/transaction.rb', line 919

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