ruanwz

```ruby
require 'socket'

# Create the server using the Socket class
# AF_INET: using IP protocol
# SOCK_STREAM: using TCP
server_socket = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)

# Set the socket address
sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' )

ruanwz

Socket

[Document on ruby-doc.org] [ruby_doc]

Introduction

Ruby provides a standard library Socket for networking programming in lower layer, such as TCP and UDP. There are also other libraries for application layers like HTTP, FTP and TELNET, they are not included in this tutorial.

What is Socket

ruanwz

require "socket"  
echo_server = TCPServer.new('localhost', 2200)  
socket_list = Array.new
socket_list.push echo_server
loop do  
  return_array = select( socket_list, nil, nil, nil )
  res = return_array[0][0]
  if res == echo_server
    client=res.accept
    socket_list.push client

ruanwz

require "socket"  
@echo_server = TCPServer.new('localhost', 2200)  
@socket_list = Array.new
@socket_list.push @echo_server
loop do  
  return_array = select( @socket_list, nil, nil, nil )
  res = return_array[0][0]
  if res == @echo_server
    client=res.accept
    @socket_list.push client

ruanwz

require "socket"  
echo_server = TCPServer.new('localhost', 2200)  
loop do  
  Thread.start(echo_server.accept) do |client|  
    puts "#{client.peeraddr[2]}:#{client.peeraddr[1]} is connected"
    loop do
      data = client.recvfrom( 20 )[0].chomp
      if data =="exit"
        client.puts "bye!"
        puts "#{client.peeraddr[2]}:#{client.peeraddr[1]} is disconnect"

ruanwz

Socket

[Document on ruby-doc.org] [ruby_doc]

Introduction

Ruby provides a standard library Socket for networking programming in lower layer, such as TCP and UDP. There are also other libraries for application layers like HTTP, FTP and TELNET, they are not included in this tutorial.

What is Socket

ruanwz

[IO]^[BasicSocket], [BasicSocket]^[Socket], [BasicSocket]^[UNIXSocket],
[BasicSocket]^[IPSocket]
[IPSocket]^[UDPSocket],[UDPSocket]^[UDPServer]
[IPSocket]^[TCPSocket],[TCPSocket]^[TCPServer]
[UNIXSocket]^[UNIXServer],
[StandardError]^[SocketError]
[FFI::Struct]^[AddrInfo]
[FFI::Struct]^[SockAddr_In]
[FFI::Struct]^[SockAddr_Un]
[FFI::Struct]^[Servent]

ruanwz

The following lines are the output of following command:
cucumber features > ~/gstore_features_output.txt


Feature: object
  As a google storeage api user
  I want to create objects in a bucket
  So that I can perform other operation on the objects

  Scenario: create an object in an empty bucket      # features/object.feature:6

ruanwz

Sinatra is designed to need friends
  no presets
  pure ruby
  rack-lover

Rack is the best friend
  Rack::Session::Cookie
  Rack::CommonLogger
  Rack::MethodOverride
rack-contrib

ruanwz

require 'rubygems'
require 'gcal4ruby'
include GCal4Ruby
service = Service.new
service.authenticate("", "")
#2. Get Calendar List
# puts calendars = service.calendars
cals = Calendar.find(service, {:title => "RMU September Session 1"})
puts cals.first.to_xml
#event = Event.new(service, {:calendar => cal, :title => "Soccer Game", :start => Time.parse("12-06-2010 at 12:30 PM"),  :where => "Merry Playfields"})