NewRelic Instrumentation for HTTPI

newrelic_httpi.rb

DependencyDetection.defer do
  @name = :net

  depends_on do
    defined?(HTTPI)
  end

  executes do
    NewRelic::Agent.logger.debug "Installing HTTPI instrumentation"
  end

  executes do
    HTTPI.instance_eval do
      def with_adapter_with_newrelic_trace(method, request, adapter, &block)
        host    = request.url.host
        metrics = ["External/#{host}/HTTPI/#{method}", "External/#{host}/all", "External/all"]

        if NewRelic::Agent::Instrumentation::MetricFrame.recording_web_transaction?
          metrics << "External/allWeb"
        else
          metrics << "External/allOther"
        end

        trace_execution_scoped(metrics) do
          with_adapter_without_newrelic_trace(method, request, adapter, &block)
        end
      end

      alias with_adapter_without_newrelic_trace with_adapter
      alias with_adapter with_adapter_with_newrelic_trace
    end
  end
end if defined? DependencyDetection