Moving code from external sources into an external/ directory

git-svn-id: https://reductivelabs.com/svn/puppet/trunk@2119 980ebf18-57e1-0310-9a29-db15c13687c0

1 files changed, 0 insertions, 355 deletions

diff --git a/lib/puppet/event-loop/event-loop.rb b/lib/puppet/event-loop/event-loop.rb
deleted file mode 100644
index 5d78844ef..000000000
--- a/lib/puppet/event-loop/event-loop.rb
+++ /dev/null
@@ -1,355 +0,0 @@
-## event-loop.rb --- high-level IO multiplexer
-# Copyright (C) 2005  Daniel Brockman
-
-# This program is free software; you can redistribute it
-# and/or modify it under the terms of the GNU General Public
-# License as published by the Free Software Foundation;
-# either version 2 of the License, or (at your option) any
-# later version.
-
-# This file is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty
-# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public
-# License along with this program; if not, write to the Free
-# Software Foundation, 51 Franklin Street, Fifth Floor,
-# Boston, MA 02110-1301, USA.
-
-require "puppet/event-loop/better-definers"
-require "puppet/event-loop/signal-system"
-
-require "fcntl"
-
-class EventLoop
-  include SignalEmitter
-
-  IO_STATES = [:readable, :writable, :exceptional]
-
-  class << self
-    def default ; @default ||= new end
-    def default= x ; @default = x end
-
-    def current
-      Thread.current["event-loop::current"] || default end
-    def current= x
-      Thread.current["event-loop::current"] = x end
-
-    def with_current (new)
-      if current == new
-        yield
-      else
-        begin
-          old = self.current
-          self.current = new
-          yield
-        ensure
-          self.current = old
-        end
-      end
-    end
-
-    def method_missing (name, *args, &block)
-      if current.respond_to? name
-        current.__send__(name, *args, &block)
-      else
-        super
-      end
-    end
-  end
-
-  define_signals :before_sleep, :after_sleep
-
-  def initialize
-    @running = false
-    @awake = false
-    @wakeup_time = nil
-    @timers = []
-
-    @io_arrays = [[], [], []]
-    @ios = Hash.new do |h, k| raise ArgumentError,
-      "invalid IO event: #{k}", caller(2) end
-    IO_STATES.each_with_index { |x, i| @ios[x] = @io_arrays[i] }
-
-    @notify_src, @notify_snk = IO.pipe
-
-    @notify_src.will_block = false
-    @notify_snk.will_block = false
-
-    # Each time a byte is sent through the notification pipe
-    # we need to read it, or IO.select will keep returning.
-    monitor_io(@notify_src, :readable)
-    @notify_src.extend(Watchable)
-    @notify_src.on_readable do
-      begin
-        @notify_src.sysread(256)
-      rescue Errno::EAGAIN
-        # The pipe wasn't readable after all.
-      end
-    end
-  end
-
-  define_opposite_accessors \
-    :stopped?  => :running?,
-    :sleeping? => :awake?
-
-  def run
-    if block_given?
-      thread = Thread.new { run }
-      yield ; quit ; thread.join
-    else
-      running!
-      iterate while running?
-    end
-  ensure
-    quit
-  end
-
-  def iterate (user_timeout=nil)
-    t1, t2 = user_timeout, max_timeout
-    timeout = t1 && t2 ? [t1, t2].min : t1 || t2
-    select(timeout).zip(IO_STATES) do |ios, state|
-      ios.each { |x| x.signal(state) } if ios
-    end
-  end
-
- private
-
-  def select (timeout)
-    @wakeup_time = timeout ? Time.now + timeout : nil
-    # puts "waiting: #{timeout} seconds"
-    signal :before_sleep ; sleeping!
-    IO.select(*@io_arrays + [timeout]) || []
-  ensure
-    awake! ; signal :after_sleep
-    @timers.each { |x| x.sound_alarm if x.ready? }
-  end
-
- public
-
-  def quit ; stopped! ; wake_up ; self end
-
-  def monitoring_io? (io, event)
-    @ios[event].include? io end
-  def monitoring_timer? (timer)
-    @timers.include? timer end
-
-  def monitor_io (io, *events)
-    for event in events do
-      unless monitoring_io?(io, event)
-        @ios[event] << io ; wake_up
-      end
-    end
-  end
-
-  def monitor_timer (timer)
-    unless monitoring_timer? timer
-      @timers << timer
-    end
-  end
-
-  def check_timer (timer)
-    wake_up if timer.end_time < @wakeup_time
-  end
-
-  def ignore_io (io, *events)
-    events = IO_STATES if events.empty?
-    for event in events do
-      wake_up if @ios[event].delete(io)
-    end
-  end
-
-  def ignore_timer (timer)
-    # Don't need to wake up for this.
-    @timers.delete(timer)
-  end
-
-  def max_timeout
-    return nil if @timers.empty?
-    [@timers.collect { |x| x.time_left }.min, 0].max
-  end
-
-  def wake_up
-    @notify_snk.write('.') if sleeping?
-  end
-end
-
-class Symbol
-  def io_state?
-    EventLoop::IO_STATES.include? self
-  end
-end
-
-module EventLoop::Watchable
-  include SignalEmitter
-
-  define_signals :readable, :writable, :exceptional
-
-  def monitor_events (*events)
-    EventLoop.monitor_io(self, *events) end
-  def ignore_events (*events)
-    EventLoop.ignore_io(self, *events) end
-
-  define_soft_aliases \
-    :monitor_event => :monitor_events,
-    :ignore_event  => :ignore_events
-
-  def close ; super
-    ignore_events end
-  def close_read ; super
-    ignore_event :readable end
-  def close_write ; super
-    ignore_event :writable end
-
-  module Automatic
-    include EventLoop::Watchable
-
-    def add_signal_handler (name, &handler) super
-      monitor_event(name) if name.io_state?
-    end
-
-    def remove_signal_handler (name, handler) super
-      if @signal_handlers[name].empty?
-        ignore_event(name) if name.io_state?
-      end
-    end
-  end
-end
-
-class IO
-  def on_readable &block
-    extend EventLoop::Watchable::Automatic
-    on_readable(&block)
-  end
-
-  def on_writable &block
-    extend EventLoop::Watchable::Automatic
-    on_writable(&block)
-  end
-
-  def on_exceptional &block
-    extend EventLoop::Watchable::Automatic
-    on_exceptional(&block)
-  end
-
-  def will_block?
-    require "fcntl"
-    fcntl(Fcntl::F_GETFL, 0) & Fcntl::O_NONBLOCK == 0
-  end
-
-  def will_block= (wants_blocking)
-    require "fcntl"
-    flags = fcntl(Fcntl::F_GETFL, 0)
-    if wants_blocking
-      flags &= ~Fcntl::O_NONBLOCK
-    else
-      flags |= Fcntl::O_NONBLOCK
-    end
-    fcntl(Fcntl::F_SETFL, flags)
-  end
-end
-
-class EventLoop::Timer
-  include SignalEmitter
-
-  DEFAULT_INTERVAL = 0.0
-  DEFAULT_TOLERANCE = 0.001
-
-  def initialize (options={}, &handler)
-    @running = false
-    @start_time = nil
-
-    if options.kind_of? Numeric
-      options = { :interval => options }
-    end
-
-    if options[:interval]
-      @interval = options[:interval].to_f
-    else
-      @interval = DEFAULT_INTERVAL
-    end
-
-    if options[:tolerance]
-      @tolerance = options[:tolerance].to_f
-    elsif DEFAULT_TOLERANCE < @interval
-      @tolerance = DEFAULT_TOLERANCE
-    else
-      @tolerance = 0.0
-    end
-
-    @event_loop = options[:event_loop] || EventLoop.current
-
-    if block_given?
-      add_signal_handler(:alarm, &handler)
-      start unless options[:start?] == false
-    else
-      start if options[:start?]
-    end
-  end
-
-  define_readers :interval, :tolerance
-  define_signal :alarm
-
-  def stopped? ; @start_time == nil end
-  def running? ; @start_time != nil end
-
-  def interval= (new_interval)
-    old_interval = @interval
-    @interval = new_interval
-    if new_interval < old_interval
-      @event_loop.check_timer(self)
-    end
-  end
-
-  def end_time
-    @start_time + @interval end
-  def time_left
-    end_time - Time.now end
-  def ready?
-    time_left <= @tolerance end
-
-  def restart
-    @start_time = Time.now
-  end
-
-  def sound_alarm
-    signal :alarm
-    restart if running?
-  end
-
-  def start
-    @start_time = Time.now
-    @event_loop.monitor_timer(self)
-  end
-
-  def stop
-    @start_time = nil
-    @event_loop.ignore_timer(self)
-  end
-end
-
-if __FILE__ == $0
-  require "test/unit"
-
-  class TimerTest < Test::Unit::TestCase
-    def setup
-      @timer = EventLoop::Timer.new(:interval => 0.001)
-    end
-
-    def test_timer
-      @timer.on_alarm do
-        puts "[#{@timer.time_left} seconds left after alarm]"
-        EventLoop.quit
-      end
-      8.times do
-        t0 = Time.now
-        @timer.start ; EventLoop.run
-        t1 = Time.now
-        assert(t1 - t0 > @timer.interval - @timer.tolerance)
-      end
-    end
-  end
-end
-
-## event-loop.rb ends here.