class Barnes::Reporter

The reporter is used to send stats to the server.

Example:

statsd   = Statsd.new('127.0.0.1', "8125")
reporter = Reporter.new(statsd: , sample_rate: 10)
reporter.report_statsd('barnes.counters' => {"hello" => 2})

Attributes

sample_rate[RW]
statsd[RW]

Public Class Methods

new(statsd: , sample_rate:) click to toggle source
# File lib/barnes/reporter.rb, line 35
def initialize(statsd: , sample_rate:)
  @statsd      = statsd
  @sample_rate = sample_rate.to_f

  if @statsd.respond_to?(:easy)
    @statsd_method = statsd.method(:easy)
  else
    @statsd_method = statsd.method(:batch)
  end
end

Public Instance Methods

report(env) click to toggle source
# File lib/barnes/reporter.rb, line 46
def report(env)
  report_statsd env if @statsd
end
report_statsd(env) click to toggle source
# File lib/barnes/reporter.rb, line 50
def report_statsd(env)
  @statsd_method.call do |statsd|
    env[Barnes::COUNTERS].each do |metric, value|
      statsd.count(:"Rack.Server.All.#{metric}", value, @sample_rate)
    end

    # for :gauge, use sample rate of 1, since gauges in statsd have no sampling characteristics.
    env[Barnes::GAUGES].each do |metric, value|
      statsd.gauge(:"Rack.Server.All.#{metric}", value, 1.0)
    end
  end
end