Sha256: 7984ade83e06946a8a866e941f84c7bb25ac4bd3ade25ac84658cece163c956f
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Versions: 18
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Contents
module Vedeu module Logging # Ensures we can always write to the log file by creating a # lock-less log device. # class LocklessLogDevice < ::Logger::LogDevice # Returns a new instance of Vedeu::Logging::LocklessLogDevice. # # @param log [void] # @return [Vedeu::Logging::LocklessLogDevice] def initialize(log = nil) @dev = nil @filename = nil if log.respond_to?(:write) && log.respond_to?(:close) @dev = log else @dev = open_logfile(log) @dev.sync = true @filename = log end end # @param message [String] # @return [void] def write(message) @dev.write(message) rescue StandardError => exception warn("log writing failed. #{exception}") end # @return [void] def close @dev.close rescue nil end private # @param log [String] # @return [void] def open_logfile(log) if FileTest.exist?(log) open(log, (File::WRONLY | File::APPEND)) else logdev = open(log, (File::WRONLY | File::APPEND | File::CREAT)) logdev.sync = true logdev end end end # LocklessLogDevice end # Logging end # Vedeu
Version data entries
18 entries across 18 versions & 1 rubygems