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Contents
module Tronprint
# The Statistics class is your gateway to fetching statistics about
# the energy usage and footprint of your app.
class Statistics
attr_accessor :aggregator, :cpu_monitor
def initialize(aggregator, cpu_monitor)
self.aggregator = aggregator
self.cpu_monitor = cpu_monitor
end
# Fetch the total amount of CPU time (in hours) used by the application.
def total_duration
aggregator[cpu_monitor.key] / 3600
end
# Fetch total CPU time for a given range
def range_duration(from, to)
aggregator.range_total cpu_monitor.key, from, to
end
# Calculate emissions using aggregated data. A call is made to
# Brighter Planet's CM1 emission estimate service. Specifically,
# the call is made to the {computation emitter}[http://carbon.brighterplanet.com/models/computation]
def emission_estimate(from = nil, to = nil)
duration = from.nil? ? total_duration : range_duration(from, to)
app = Application.new :zip_code => Tronprint.zip_code, :duration => duration,
:brighter_planet_key => Tronprint.brighter_planet_key
app.emission_estimate
end
# The total amount of CO2e generated by the application.
def total_footprint
emission_estimate.to_f
end
# The total amount of electricity used by the application.
def total_electricity
emission_estimate.electricity_use.to_f
end
# A URL for the methodology statement of the total_footprint calculation.
def total_footprint_methodology
emission_estimate.methodology
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems