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require 'logger'
module InfluxDB
module Logging # :nodoc:
PREFIX = "InfluxDB".freeze
class << self
attr_writer :logger
attr_writer :log_level
def logger
return false if @logger == false
@logger ||= ::Logger.new(STDERR).tap { |logger| logger.level = Logger::INFO }
end
def log_level
@log_level || Logger::INFO
end
def log?(level)
case level
when :debug then log_level <= Logger::DEBUG
when :info then log_level <= Logger::INFO
when :warn then log_level <= Logger::WARN
when :error then log_level <= Logger::ERROR
when :fatal then log_level <= Logger::FATAL
else true
end
end
end
private
def log(level, message = nil, &block)
return unless InfluxDB::Logging.logger
return unless InfluxDB::Logging.log?(level)
if block_given?
InfluxDB::Logging.logger.send(level.to_sym, PREFIX, &block)
else
InfluxDB::Logging.logger.send(level.to_sym, PREFIX) { message }
end
end
end
end
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