module Yologga::Patch::Ruby_2_4

rubocop:disable Naming/ClassAndModuleCamelCase

Constants

SiD

rubocop:enable Naming/ClassAndModuleCamelCase

Public Class Methods

new(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil) click to toggle source
# File lib/yologga/patch/ruby_2_4.rb, line 12
def initialize(log = nil, shift_age: nil, shift_size: nil, shift_period_suffix: nil)
  @dev = @filename = @shift_age = @shift_size = @shift_period_suffix = nil
  mon_initialize
  set_dev(log)
  if @filename
    @shift_age = shift_age || 7
    @shift_size = shift_size || 1048576
    suffix = shift_age == "hourly" ? "%Y%m%d%H" : (shift_period_suffix || "%Y%m%d")
    @shift_period_suffix = suffix

    unless @shift_age.is_a?(Integer)
      base_time = @dev.respond_to?(:stat) ? @dev.stat.mtime : Time.now
      @next_rotate_time = next_rotate_time(base_time, @shift_age)
    end
  end
end

Public Instance Methods

next_rotate_time(now, shift_age) click to toggle source
# File lib/yologga/patch/ruby_2_4.rb, line 50
def next_rotate_time(now, shift_age)
  case shift_age
  when "hourly"
    t = Time.mktime(now.year, now.month, now.mday, now.hour) + SiD / 24
  when "daily"
    t = Time.mktime(now.year, now.month, now.mday) + SiD
  when "weekly"
    t = Time.mktime(now.year, now.month, now.mday) + SiD * (7 - now.wday)
  when "monthly"
    t = Time.mktime(now.year, now.month, 1) + SiD * 32
    return Time.mktime(t.year, t.month, 1)
  else
    return now
  end
  if t.min.nonzero? or t.sec.nonzero?
    min = t.min
    t = Time.mktime(t.year, t.month, t.mday, t.hour)
    t += (SiD / 24) if min > 30
  end
  t
end
previous_period_end(now, shift_age) click to toggle source
# File lib/yologga/patch/ruby_2_4.rb, line 72
def previous_period_end(now, shift_age)
  case shift_age
  when "hourly"
    t = Time.mktime(now.year, now.month, now.mday, now.hour) - 1
  when "daily"
    t = Time.mktime(now.year, now.month, now.mday) - 1
  when "weekly"
    t = Time.mktime(now.year, now.month, now.mday) - (SiD * now.wday + 1)
  when "monthly"
    t = Time.mktime(now.year, now.month, 1) - 1
  else
    return now
  end
  Time.mktime(t.year, t.month, t.mday, t.hour, 59, 59)
end
shift_log_period(period_end) click to toggle source
# File lib/yologga/patch/ruby_2_4.rb, line 29
def shift_log_period(period_end)
  suffix = period_end.strftime(@shift_period_suffix)
  age_file = "#{@filename}.#{suffix}"
  if FileTest.exist?(age_file)
    # try to avoid filename crash caused by Timestamp change.
    idx = 0
    # .99 can be overridden; avoid too much file search with 'loop do'
    while idx < 100
      idx += 1
      age_file = "#{@filename}.#{suffix}.#{idx}"
      break unless FileTest.exist?(age_file)
    end
  end
  @dev.close rescue nil
  File.rename(@filename.to_s, age_file)
  @dev = create_logfile(@filename)
  Yologga::Gzip.new(age_file).call if Yologga.gzip
  Yologga::LogsLifetime.new(@filename).call
  true
end