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Contents
require 'ddtrace/contrib/analytics'
require 'ddtrace/contrib/action_cable/event'
module Datadog
module Contrib
module ActionCable
module Events
# 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.
module Broadcast
include ActionCable::Event
EVENT_NAME = 'broadcast.action_cable'.freeze
module_function
def event_name
self::EVENT_NAME
end
def span_name
Ext::SPAN_BROADCAST
end
def span_type
# Starts a broadcast of messages over WebSockets
Datadog::Ext::AppTypes::WEB
end
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
end
end
end
end
end
Version data entries
29 entries across 29 versions & 2 rubygems