class ProcessSafeLogger::LogDevice

Public Instance Methods

add_log_header(file) click to toggle source

Override as my patch

# File lib/process_safe_logger.rb, line 44
def add_log_header(file)
  file.write(
    "# Logfile created on %s by %s\n" % [Time.now.to_s, Logger::ProgName]
  ) if file.size == 0
end
check_shift_log() click to toggle source

Override as my patch

# File lib/process_safe_logger.rb, line 51
def check_shift_log
  if @shift_age.is_a?(Integer)
    # Note: always returns false if '0'.
    if @filename && (@shift_age > 0) && (@dev.stat.size > @shift_size)
      lock_shift_log { shift_log_age }
    end
  else
    now = Time.now
    period_end = previous_period_end(now)
    if @dev.stat.mtime <= period_end
      lock_shift_log { shift_log_period(period_end) }
    end
  end
end
create_logfile(filename) click to toggle source

Override as my patch

# File lib/process_safe_logger.rb, line 28
def create_logfile(filename)
  begin
    logdev = open(filename, (File::WRONLY | File::APPEND | File::CREAT | File::EXCL))
    logdev.flock(File::LOCK_EX)
    logdev.sync = true
    add_log_header(logdev)
    logdev.flock(File::LOCK_UN)
  rescue Errno::EEXIST
    # file is created by another process
    logdev = open_logfile(filename)
    logdev.sync = true
  end
  logdev
end
lock_shift_log() { || ... } click to toggle source
# File lib/process_safe_logger.rb, line 68
def lock_shift_log
  yield
end
open_logfile(filename) click to toggle source

Override as my patch

# File lib/process_safe_logger.rb, line 19
def open_logfile(filename)
  begin
    open(filename, (File::WRONLY | File::APPEND))
  rescue Errno::ENOENT
    create_logfile(filename)
  end
end