Module: OneApm::CollectionHelper

Included in:
OneApm::Collector::ErrorCollector, DeveloperModeHelper, NoticedError, TransactionSampleBuilder
Defined in:
lib/one_apm/support/collection_helper.rb

Constant Summary collapse

OA_DEFAULT_TRUNCATION_SIZE = 
16 * 1024
OA_DEFAULT_ARRAY_TRUNCATION_SIZE = 
128

Instance Method Summary collapse

Instance Method Details

#normalize_params(params) ⇒ Object

Transform parameter hash into a hash whose values are strictly strings



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# File 'lib/one_apm/support/collection_helper.rb', line 11

def normalize_params(params)
  case params
    when Hash
      # optimize for empty hash since that is often what this is called with.
      return params if params.empty?
      new_params = {}
      params.each do | key, value |
        new_params[truncate(normalize_params(key),64)] = normalize_params(value)
      end
      new_params
    when Symbol, FalseClass, TrueClass, nil
      params
    when Numeric
      truncate(params.to_s)
    when String
      truncate(params)
    when Array
      params.first(OA_DEFAULT_ARRAY_TRUNCATION_SIZE).map{|item| normalize_params(item)}
  else
    truncate(flatten(params))
  end
end

#strip_oa_from_backtrace(backtrace) ⇒ Object

Return an array of strings (backtrace), cleaned up for readability Return nil if there is no backtrace



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# File 'lib/one_apm/support/collection_helper.rb', line 37

def strip_oa_from_backtrace(backtrace)
  if backtrace && !Manager.config[:disable_backtrace_cleanup]
    # this is for 1.9.1, where strings no longer have Enumerable
    backtrace = backtrace.split("\n") if String === backtrace
    backtrace = backtrace.map(&:to_s)
    backtrace = backtrace.reject do |line|
      line.include?(OneApm::Probe.oneapm_root) or
      line =~ /^oneapm_rpm\s/
    end
    # rename methods back to their original state
    backtrace = backtrace.collect {|line| line.gsub(/_without_(oneapm|trace)/, "")}
  end
  backtrace
end