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



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# 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
  @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_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 63

def apdex_start
  @apdex_start
end

#attributes ⇒ Object (readonly) 



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

def attributes
  @attributes
end

#category ⇒ Object (readonly) 



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

def category
  @category
end

#duration ⇒ Object (readonly) 



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

def duration
  @duration
end

#end_time ⇒ Object (readonly) 



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

def end_time
  @end_time
end

#exceptions ⇒ Object 



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

def exceptions
  @exceptions
end

#filtered_params ⇒ Object 



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

def filtered_params
  @filtered_params
end

#gc_start_snapshot ⇒ Object (readonly) 



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

def gc_start_snapshot
  @gc_start_snapshot
end

#guid ⇒ Object (readonly) 



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

def guid
  @guid
end

#http_response_code ⇒ Object 



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

def http_response_code
  @http_response_code
end

#jruby_cpu_start ⇒ Object 



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

def jruby_cpu_start
  @jruby_cpu_start
end

#logs ⇒ Object (readonly) 



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

def logs
  @logs
end

#metrics ⇒ Object (readonly) 



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

def metrics
  @metrics
end

#nesting_max_depth ⇒ Object (readonly) 



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

def nesting_max_depth
  @nesting_max_depth
end

#parent_span_id ⇒ Object 



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

def parent_span_id
  @parent_span_id
end

#payload ⇒ Object (readonly) 



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

def payload
  @payload
end

#priority ⇒ Object 



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

def priority
  @priority ||= case NewRelic::Agent.config[:'distributed_tracing.sampler.root']
  when 'default', 'trace_id_ratio_based', 'adaptive'
    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 65

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 93

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 93

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 65

def response_content_length
  @response_content_length
end

#response_content_type ⇒ Object 



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

def response_content_type
  @response_content_type
end

#sampled=(value) ⇒ Object (writeonly) 



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

def sampled=(value)
  @sampled = value
end

#segments ⇒ Object (readonly) 



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

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 58

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 93

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 93

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 90

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 135

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 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 



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# 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 



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# 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 



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# 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 



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# 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



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# 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) 


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# 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



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# 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



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# 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 



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# 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_current ⇒ Object

Return the currently active transaction, or nil.



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# 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.



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# File 'lib/new_relic/agent/transaction.rb', line 539

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 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 



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

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 935

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

#apdex_bucket(duration, current_apdex_t) ⇒ Object 



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

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 897

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 769

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 786

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_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 653

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 551

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 422

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 686

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 694

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 951

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 489

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 515

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 494

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 275

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 267

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 389

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 340

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 289

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

#finish ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 564

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) 


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# File 'lib/new_relic/agent/transaction.rb', line 485

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 441

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 715

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 860

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 967

def ignore!
  @ignore_this_transaction = true
end

#ignore? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 971

def ignore?
  @ignore_this_transaction
end

#ignore_apdex! ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 975

def ignore_apdex!
  @ignore_apdex = true
end

#ignore_apdex? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 979

def ignore_apdex?
  @ignore_apdex
end

#ignore_enduser! ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 983

def ignore_enduser!
  @ignore_enduser = true
end

#ignore_enduser? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 987

def ignore_enduser?
  @ignore_enduser
end

#ignore_trace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 991

def ignore_trace?
  @ignore_trace
end

#include_guid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/new_relic/agent/transaction.rb', line 732

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

#influences_transaction_name?(category) ⇒ Boolean

Returns:

  • (Boolean) 


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

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 481

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 381

def instrumentation_state
  @instrumentation_state ||= {}
end

#is_synthetics_request? ⇒ Boolean

Returns:

  • (Boolean) 


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

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 961

def jruby_cpu_burn
  return unless @jruby_cpu_start

  jruby_cpu_time - @jruby_cpu_start
end

#log_frozen_name(name) ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 413

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 800

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 393

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 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) 


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# File 'lib/new_relic/agent/transaction.rb', line 460

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 560

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 532

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 955

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 823

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 385

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 271

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 433

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 845

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 870

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 884

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 812

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 804

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 841

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 849

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 703

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 837

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 939

def recording_web_transaction?
  web_category?(@category)
end

#referer ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 355

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 285

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 359

def request_path
  @request_attributes&.request_path
end

#request_port ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 363

def request_port
  @request_attributes&.port
end

#sampled? ⇒ Boolean

Returns:

  • (Boolean) 


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

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

  if @sampled.nil?
    # Ruby evaluates case statements top to bottom. Listing the statements
    # in the order of most likely to match keeps things performant.
    # If we put more than one string in a condition, it'll check to see if
    # the case matches any one of those conditions before moving on to the
    # next one.
    #
    # Even though adaptive behaves the same as default, I hypothesize it
    # will be used so infrequently, it should just be listed last.
    @sampled = case NewRelic::Agent.config[:'distributed_tracing.sampler.root']
    when 'default'
      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'])
    when 'adaptive'
      NewRelic::Agent.instance.adaptive_sampler.sampled?
    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 711

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 281

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 397

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 406

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 947

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 464

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 263

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

#summary_metrics ⇒ Object 



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# File 'lib/new_relic/agent/transaction.rb', line 543

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 745

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 679

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 765

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 755

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 760

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 750

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 740

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 906

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 332

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 336

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 321

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 901

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 943

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 915

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