Method: AIX::Errlog::Errlog#initialize

Defined in:
lib/aix/errlog/errlog.rb

#initialize(path = '/var/adm/ras/errlog'.freeze, mode = 'r'.freeze) ⇒ Errlog

path is the string path to the file. mode matches as closely as possible to the semantics of the fopen mode.



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# File 'lib/aix/errlog/errlog.rb', line 72

def initialize(path='/var/adm/ras/errlog'.freeze, mode='r'.freeze)
  mode_r = mode.include? 'r'
  mode_w = mode.include? 'w'
  mode_a = mode.include? 'a'
  mode_x = mode.include? 'x'
  mode_p = mode.include? '+'

  mode_flags =
    if mode_p
      Constants::O_RDRW
    elsif mode_r
      Constants::O_RDONLY
    else
      Constants::O_WRONLY
    end
  mode_flags |= Constants::O_CREAT unless mode_r
  mode_flags |= Constants::O_TRUNC if mode_w
  mode_flags |= Constants::O_APPEND if mode_a
  mode_flags |= Constants::O_EXCL if mode_x

  handle_p = FFI::MemoryPointer.new(:pointer)

  status = Lib.errlog_open(
    path,
    mode_flags,
    Constants::LE_MAGIC,
    handle_p,
  )

  Errors.throw(status, "path: #{path}, mode: #{mode}") unless status == :ok

  @enum_active = false

  # Just hold the handle directly
  @handle = handle_p.get_pointer
end