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Contents
# frozen_string_literal: true
module ExceptionHandling
class ExceptionCatalog
def initialize(filter_path)
@filter_path = filter_path
@filters = {}
@filters_last_modified_time = nil
end
def find(exception_data)
refresh_filters
@filters.values.find { |filter| filter.match?(exception_data) }
end
private
def refresh_filters
if (mtime = last_modified_time)
if @filters_last_modified_time.nil? || mtime != @filters_last_modified_time
ExceptionHandling.logger.info("Reloading filter list from: #{@filter_path}. Last loaded time: #{@filters_last_modified_time}. Last modified time: #{mtime}")
load_file
end
end
rescue => ex # any exceptions
# DO NOT CALL ExceptionHandling.log_error because this method is called from that. It can loop and cause mayhem.
ExceptionHandling.write_exception_to_log(ex, "ExceptionCatalog#refresh_filters: #{@filter_path}", Time.now.to_i)
end
def load_file
@filters_last_modified_time = last_modified_time # make race condition fall on the side of reloading unnecessarily next time rather than missing a set of changes
filters = YAML.load_file(@filter_path)
filter_hash_values = filters.map { |filter_name, regexes| [filter_name.to_sym, ExceptionDescription.new(filter_name.to_sym, regexes.symbolize_keys)] }
@filters = Hash[filter_hash_values]
end
def last_modified_time
@filter_path && File.mtime(@filter_path)
end
end
end
Version data entries
56 entries across 56 versions & 1 rubygems