Module: Datadog::Contrib::ActionCable::Instrumentation::ActionCableConnection

Defined in:
lib/ddtrace/contrib/action_cable/instrumentation.rb

Overview

When a new WebSocket is open, we receive a Rack request resource name "GET -1". This module overrides the current Rack resource name to provide a meaningful name.

Instance Method Summary collapse

Instance Method Details

#on_open ⇒ Object 



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# File 'lib/ddtrace/contrib/action_cable/instrumentation.rb', line 9

def on_open
  Datadog.tracer.trace(Ext::SPAN_ON_OPEN) do |span|
    begin
      span.resource = "#{self.class}#on_open"
      span.span_type = Datadog::Ext::AppTypes::WEB

      span.set_tag(Ext::TAG_ACTION, 'on_open')
      span.set_tag(Ext::TAG_CONNECTION, self.class.to_s)

      # Set the resource name of the Rack request span
      rack_request_span = env[Datadog::Contrib::Rack::TraceMiddleware::RACK_REQUEST_SPAN]
      rack_request_span.resource = span.resource if rack_request_span
    rescue StandardError => e
      Datadog.logger.error("Error preparing span for ActionCable::Connection: #{e}")
    end

    super
  end
end