module Datadog::Contrib::ActionCable::Events::Broadcast

Defines instrumentation for 'broadcast.action_cable' event.

A single 'broadcast' event will trigger as many 'transmit' events as there are clients subscribed to a channel.

Constants

EVENT_NAME

Public Instance Methods

event_name() click to toggle source
# File lib/ddtrace/contrib/action_cable/events/broadcast.rb, line 20
def event_name
  self::EVENT_NAME
end
process(span, _event, _id, payload) click to toggle source
# File lib/ddtrace/contrib/action_cable/events/broadcast.rb, line 33
def process(span, _event, _id, payload)
  channel = payload[:broadcasting] # Channel has high cardinality
  span.service = configuration[:service_name]
  span.span_type = span_type

  # Set analytics sample rate
  if Contrib::Analytics.enabled?(configuration[:analytics_enabled])
    Contrib::Analytics.set_sample_rate(span, configuration[:analytics_sample_rate])
  end

  span.set_tag(Ext::TAG_CHANNEL, channel)
  span.set_tag(Ext::TAG_BROADCAST_CODER, payload[:coder])
end
span_name() click to toggle source
# File lib/ddtrace/contrib/action_cable/events/broadcast.rb, line 24
def span_name
  Ext::SPAN_BROADCAST
end
span_type() click to toggle source
# File lib/ddtrace/contrib/action_cable/events/broadcast.rb, line 28
def span_type
  # Starts a broadcast of messages over WebSockets
  Datadog::Ext::AppTypes::WEB
end