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Contents
module RequestLogAnalyzer::Tracker
# Analyze the average and total traffic of requests
#
# === Options
# * <tt>:category</tt> Proc that handles request categorization for given fileformat (REQUEST_CATEGORIZER)
# * <tt>:traffic</tt> The field containing the duration in the request hash.
# * <tt>:if</tt> Proc that has to return !nil for a request to be passed to the tracker.
# * <tt>:line_type</tt> The line type that contains the duration field (determined by the category proc).
# * <tt>:title</tt> Title do be displayed above the report
# * <tt>:unless</tt> Handle request if this proc is false for the handled request.
class Traffic < NumericValue
# Check if duration and catagory option have been received,
def prepare
options[:value] = options[:traffic] if options[:traffic]
options[:total] = true
super
end
# Formats the traffic number using x B/kB/MB/GB etc notation
def display_value(bytes)
return "-" if bytes.nil?
return "0 B" if bytes.zero?
case [Math.log10(bytes.abs).floor, 0].max
when 0...4 then '%d B' % bytes
when 4...7 then '%d kB' % (bytes / 1000)
when 7...10 then '%d MB' % (bytes / 1000_000)
when 10...13 then '%d GB' % (bytes / 1000_000_000)
else '%d TB' % (bytes / 1000_000_000_000)
end
end
# Returns the title of this tracker for reports
def title
options[:title] || 'Request traffic'
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems