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Contents
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
# frozen_string_literal: true
require 'new_relic/helper'
require 'new_relic/agent/transaction/trace'
require 'new_relic/agent/transaction/trace_node'
module NewRelic
module Agent
class Transaction
module TraceBuilder
extend self
def build_trace(transaction)
trace = Trace.new(transaction.start_time)
trace.root_node.exit_timestamp = transaction.end_time - transaction.start_time
copy_attributes(transaction, trace)
first, *rest = transaction.segments
relationship_map = rest.group_by { |s| s.parent }
trace.root_node.children << process_segments(transaction, first, trace.root_node, relationship_map)
trace
end
private
# recursively builds a transaction trace from the flat list of segments
def process_segments(transaction, segment, parent, relationship_map)
current = create_trace_node(transaction, segment, parent)
if children = relationship_map[segment]
current.children = children.map! do |child|
process_segments(transaction, child, current, relationship_map)
end
end
current
end
def create_trace_node(transaction, segment, parent)
relative_start = segment.start_time - transaction.start_time
relative_end = segment.end_time - transaction.start_time
TraceNode.new(segment.name, relative_start, relative_end, segment.params, parent)
end
def copy_attributes(transaction, trace)
trace.transaction_name = transaction.best_name
trace.guid = transaction.guid
trace.attributes = transaction.attributes
trace.threshold = transaction.threshold
trace.finished = true
end
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems