Add bin and edit workflow

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/01_eventmachine_echo_server.rb

@@ -0,0 +1,18 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class EchoServer < EM::Connection
+  def receive_data(data)
+    send_data(data)
+  end
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, EchoServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/02_eventmachine_echo_server_that_recognizes_exit_command.rb

@@ -0,0 +1,22 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class EchoServer < EM::Connection
+  def receive_data(data)
+    if data.strip =~ /exit$/i
+      EventMachine.stop
+    else
+      send_data(data)
+    end
+  end
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, EchoServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/03_simple_chat_server.rb

@@ -0,0 +1,149 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  @@connected_clients = Array.new
+  DM_REGEXP           = /^@([a-zA-Z0-9]+)\s*:?\s*(.+)/.freeze
+
+  attr_reader :username
+
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    @username = nil
+
+    puts "A client has connected..."
+    ask_username
+  end
+
+  def unbind
+    @@connected_clients.delete(self)
+    puts "[info] #{@username} has left" if entered_username?
+  end
+
+  def receive_data(data)
+    if entered_username?
+      handle_chat_message(data.strip)
+    else
+      handle_username(data.strip)
+    end
+  end
+
+
+  #
+  # Username handling
+  #
+
+  def entered_username?
+    !@username.nil? && !@username.empty?
+  end # entered_username?
+
+  def handle_username(input)
+    if input.empty?
+      send_line("Blank usernames are not allowed. Try again.")
+      ask_username
+    else
+      @username = input
+      @@connected_clients.push(self)
+      self.other_peers.each { |c| c.send_data("#{@username} has joined the room\n") }
+      puts "#{@username} has joined"
+
+      self.send_line("[info] Ohai, #{@username}")
+    end
+  end # handle_username(input)
+
+  def ask_username
+    self.send_line("[info] Enter your username:")
+  end # ask_username
+
+
+  #
+  # Message handling
+  #
+
+  def handle_chat_message(msg)
+    if command?(msg)
+      self.handle_command(msg)
+    else
+      if direct_message?(msg)
+        self.handle_direct_message(msg)
+      else
+        self.announce(msg, "#{@username}:")
+      end
+    end
+  end # handle_chat_message(msg)
+
+  def direct_message?(input)
+    input =~ DM_REGEXP
+  end # direct_message?(input)
+
+  def handle_direct_message(input)
+    username, message = parse_direct_message(input)
+
+    if connection = @@connected_clients.find { |c| c.username == username }
+      puts "[dm] @#{@username} => @#{username}"
+      connection.send_line("[dm] @#{@username}: #{message}")
+    else
+      send_line "@#{username} is not in the room. Here's who is: #{usernames.join(', ')}"
+    end
+  end # handle_direct_message(input)
+
+  def parse_direct_message(input)
+    return [$1, $2] if input =~ DM_REGEXP
+  end # parse_direct_message(input)
+
+
+  #
+  # Commands handling
+  #
+
+  def command?(input)
+    input =~ /(exit|status)$/i
+  end # command?(input)
+
+  def handle_command(cmd)
+    case cmd
+    when /exit$/i   then self.close_connection
+    when /status$/i then self.send_line("[chat server] It's #{Time.now.strftime('%H:%M')} and there are #{self.number_of_connected_clients} people in the room")
+    end
+  end # handle_command(cmd)
+
+
+  #
+  # Helpers
+  #
+
+  def announce(msg = nil, prefix = "[chat server]")
+    @@connected_clients.each { |c| c.send_line("#{prefix} #{msg}") } unless msg.empty?
+  end # announce(msg)
+
+  def number_of_connected_clients
+    @@connected_clients.size
+  end # number_of_connected_clients
+
+  def other_peers
+    @@connected_clients.reject { |c| self == c }
+  end # other_peers
+
+  def send_line(line)
+    self.send_data("#{line}\n")
+  end # send_line(line)
+
+  def usernames
+    @@connected_clients.map { |c| c.username }
+  end # usernames
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/04_simple_chat_server_step_one.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    puts "A client has connected..."
+  end
+
+  def unbind
+    puts "A client has left..."
+  end
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/05_simple_chat_server_step_two.rb

@@ -0,0 +1,43 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  @@connected_clients = Array.new
+
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    @@connected_clients.push(self)
+    puts "A client has connected..."
+  end
+
+  def unbind
+    @@connected_clients.delete(self)
+    puts "A client has left..."
+  end
+
+
+
+
+  #
+  # Helpers
+  #
+
+  def other_peers
+    @@connected_clients.reject { |c| self == c }
+  end # other_peers
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/06_simple_chat_server_step_three.rb

@@ -0,0 +1,98 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  @@connected_clients = Array.new
+
+
+  attr_reader :username
+
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    @username = nil
+
+    puts "A client has connected..."
+    ask_username
+  end
+
+  def unbind
+    @@connected_clients.delete(self)
+    puts "A client has left..."
+  end
+
+  def receive_data(data)
+    if entered_username?
+      handle_chat_message(data.strip)
+    else
+      handle_username(data.strip)
+    end
+  end
+
+
+
+
+  #
+  # Username handling
+  #
+
+  def entered_username?
+    !@username.nil? && !@username.empty?
+  end # entered_username?
+
+  def handle_username(input)
+    if input.empty?
+      send_line("Blank usernames are not allowed. Try again.")
+      ask_username
+    else
+      @username = input
+      @@connected_clients.push(self)
+      self.other_peers.each { |c| c.send_data("#{@username} has joined the room\n") }
+      puts "#{@username} has joined"
+
+      self.send_line("[info] Ohai, #{@username}")
+    end
+  end # handle_username(input)
+
+  def ask_username
+    self.send_line("[info] Enter your username:")
+  end # ask_username
+
+
+
+  #
+  # Message handling
+  #
+
+  def handle_chat_message(msg)
+    raise NotImplementedError
+  end
+
+
+
+  #
+  # Helpers
+  #
+
+  def other_peers
+    @@connected_clients.reject { |c| self == c }
+  end # other_peers
+
+  def send_line(line)
+    self.send_data("#{line}\n")
+  end # send_line(line)
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/07_simple_chat_server_step_four.rb

@@ -0,0 +1,121 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  @@connected_clients = Array.new
+
+
+  attr_reader :username
+
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    @username = nil
+
+    puts "A client has connected..."
+    ask_username
+  end
+
+  def unbind
+    @@connected_clients.delete(self)
+    puts "[info] #{@username} has left" if entered_username?
+  end
+
+  def receive_data(data)
+    if entered_username?
+      handle_chat_message(data.strip)
+    else
+      handle_username(data.strip)
+    end
+  end
+
+
+
+
+  #
+  # Username handling
+  #
+
+  def entered_username?
+    !@username.nil? && !@username.empty?
+  end # entered_username?
+
+  def handle_username(input)
+    if input.empty?
+      send_line("Blank usernames are not allowed. Try again.")
+      ask_username
+    else
+      @username = input
+      @@connected_clients.push(self)
+      self.other_peers.each { |c| c.send_data("#{@username} has joined the room\n") }
+      puts "#{@username} has joined"
+
+      self.send_line("[info] Ohai, #{@username}")
+    end
+  end # handle_username(input)
+
+  def ask_username
+    self.send_line("[info] Enter your username:")
+  end # ask_username
+
+
+
+  #
+  # Message handling
+  #
+
+  def handle_chat_message(msg)
+    if command?(msg)
+      self.handle_command(msg)
+    else
+      self.announce(msg, "#{@username}:")
+    end
+  end
+
+
+  #
+  # Commands handling
+  #
+
+  def command?(input)
+    input =~ /exit$/i
+  end # command?(input)
+
+  def handle_command(cmd)
+    case cmd
+    when /exit$/i   then self.close_connection
+    end
+  end # handle_command(cmd)
+
+
+
+  #
+  # Helpers
+  #
+
+  def announce(msg = nil, prefix = "[chat server]")
+    @@connected_clients.each { |c| c.send_line("#{prefix} #{msg}") } unless msg.empty?
+  end # announce(msg)
+
+  def other_peers
+    @@connected_clients.reject { |c| self == c }
+  end # other_peers
+
+  def send_line(line)
+    self.send_data("#{line}\n")
+  end # send_line(line)
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/guides/getting_started/08_simple_chat_server_step_five.rb

@@ -0,0 +1,141 @@
+#!/usr/bin/env ruby
+
+require 'rubygems' # or use Bundler.setup
+require 'eventmachine'
+
+class SimpleChatServer < EM::Connection
+
+  @@connected_clients = Array.new
+  DM_REGEXP           = /^@([a-zA-Z0-9]+)\s*:?\s+(.+)/.freeze
+
+  attr_reader :username
+
+
+  #
+  # EventMachine handlers
+  #
+
+  def post_init
+    @username = nil
+
+    puts "A client has connected..."
+    ask_username
+  end
+
+  def unbind
+    @@connected_clients.delete(self)
+    puts "[info] #{@username} has left" if entered_username?
+  end
+
+  def receive_data(data)
+    if entered_username?
+      handle_chat_message(data.strip)
+    else
+      handle_username(data.strip)
+    end
+  end
+
+
+  #
+  # Username handling
+  #
+
+  def entered_username?
+    !@username.nil? && !@username.empty?
+  end # entered_username?
+
+  def handle_username(input)
+    if input.empty?
+      send_line("Blank usernames are not allowed. Try again.")
+      ask_username
+    else
+      @username = input
+      @@connected_clients.push(self)
+      self.other_peers.each { |c| c.send_data("#{@username} has joined the room\n") }
+      puts "#{@username} has joined"
+
+      self.send_line("[info] Ohai, #{@username}")
+    end
+  end # handle_username(input)
+
+  def ask_username
+    self.send_line("[info] Enter your username:")
+  end # ask_username
+
+
+  #
+  # Message handling
+  #
+
+  def handle_chat_message(msg)
+    if command?(msg)
+      self.handle_command(msg)
+    else
+      if direct_message?(msg)
+        self.handle_direct_message(msg)
+      else
+        self.announce(msg, "#{@username}:")
+      end
+    end
+  end # handle_chat_message(msg)
+
+  def direct_message?(input)
+    input =~ DM_REGEXP
+  end # direct_message?(input)
+
+  def handle_direct_message(input)
+    username, message = parse_direct_message(input)
+
+    if connection = @@connected_clients.find { |c| c.username == username }
+      puts "[dm] @#{@username} => @#{username}"
+      connection.send_line("[dm] @#{@username}: #{message}")
+    else
+      send_line "@#{username} is not in the room. Here's who is: #{usernames.join(', ')}"
+    end
+  end # handle_direct_message(input)
+
+  def parse_direct_message(input)
+    return [$1, $2] if input =~ DM_REGEXP
+  end # parse_direct_message(input)
+
+
+  #
+  # Commands handling
+  #
+
+  def command?(input)
+    input =~ /(exit|status)$/i
+  end # command?(input)
+
+  def handle_command(cmd)
+    case cmd
+    when /exit$/i   then self.close_connection
+    when /status$/i then self.send_line("[chat server] It's #{Time.now.strftime('%H:%M')} and there are #{self.number_of_connected_clients} people in the room")
+    end
+  end # handle_command(cmd)
+
+
+  #
+  # Helpers
+  #
+
+  def announce(msg = nil, prefix = "[chat server]")
+    @@connected_clients.each { |c| c.send_line("#{prefix} #{msg}") } unless msg.empty?
+  end # announce(msg)
+
+  def other_peers
+    @@connected_clients.reject { |c| self == c }
+  end # other_peers
+
+  def send_line(line)
+    self.send_data("#{line}\n")
+  end # send_line(line)
+end
+
+EventMachine.run do
+  # hit Control + C to stop
+  Signal.trap("INT")  { EventMachine.stop }
+  Signal.trap("TERM") { EventMachine.stop }
+
+  EventMachine.start_server("0.0.0.0", 10000, SimpleChatServer)
+end

bin/gems/eventmachine-1.2.7/examples/old/ex_channel.rb

@@ -0,0 +1,43 @@
+require File.dirname(__FILE__) + '/helper'
+
+EM.run do
+
+  # Create a channel to push data to, this could be stocks...
+  RandChannel = EM::Channel.new
+
+  # The server simply subscribes client connections to the channel on connect,
+  # and unsubscribes them on disconnect.
+  class Server < EM::Connection
+    def self.start(host = '127.0.0.1', port = 8000)
+      EM.start_server(host, port, self)
+    end
+
+    def post_init
+      @sid = RandChannel.subscribe { |m| send_data "#{m.inspect}\n" }
+    end
+
+    def unbind
+      RandChannel.unsubscribe @sid
+    end
+  end
+  Server.start
+
+  # Two client connections, that just print what they receive.
+  2.times do
+    EM.connect('127.0.0.1', 8000) do |c|
+      c.extend EM::P::LineText2
+      def c.receive_line(line)
+        puts "Subscriber: #{signature} got #{line}"
+      end
+      EM.add_timer(2) { c.close_connection }
+    end
+  end
+
+  # This part of the example is more fake, but imagine sleep was in fact a
+  # long running calculation to achieve the value.
+  40.times do
+    EM.defer lambda { v = sleep(rand * 2); RandChannel << [Time.now, v] }
+  end
+
+  EM.add_timer(5) { EM.stop }
+end

bin/gems/eventmachine-1.2.7/examples/old/ex_queue.rb

@@ -0,0 +1,2 @@
+require File.dirname(__FILE__) + '/helper'
+

bin/gems/eventmachine-1.2.7/examples/old/ex_tick_loop_array.rb

@@ -0,0 +1,15 @@
+require File.dirname(__FILE__) + '/helper'
+
+EM.run do
+  array = (1..100).to_a
+
+  tickloop = EM.tick_loop do
+    if array.empty?
+      :stop
+    else
+      puts array.shift
+    end
+  end
+
+  tickloop.on_stop { EM.stop }
+end

bin/gems/eventmachine-1.2.7/examples/old/ex_tick_loop_counter.rb

@@ -0,0 +1,32 @@
+require File.dirname(__FILE__) + '/helper'
+
+class TickCounter
+  attr_reader :start_time, :count
+
+  def initialize
+    reset
+    @tick_loop = EM.tick_loop(method(:tick))
+  end
+
+  def reset
+    @count = 0
+    @start_time = EM.current_time
+  end
+
+  def tick
+    @count += 1
+  end
+
+  def rate
+    @count / (EM.current_time - @start_time)
+  end
+end
+
+period = 5
+EM.run do
+  counter = TickCounter.new
+  EM.add_periodic_timer(period) do
+    puts "Ticks per second: #{counter.rate} (mean of last #{period}s)"
+    counter.reset
+  end
+end

bin/gems/eventmachine-1.2.7/examples/old/helper.rb

@@ -0,0 +1,2 @@
+$:.unshift File.expand_path(File.dirname(__FILE__) + '/../lib')
+require 'eventmachine'