eventmachine_skeleton

em_skel.rb

# Gemfile
source "http://rubygems.org"

gem 'eventmachine'
gem 'em-net-http'
gem 'em-http-request', "=1.0.0.beta.4"
gem 'em-mysql', "=0.4.2"


# server.rb
#!/usr/bin/env ruby
# echo server

require 'eventmachine'

class EchoServer < EM::Connection
  def post_init
    puts "client connecting"
  end
  
  def unbind
    puts "client disconnecting"
  end
  
  def receive_data(data)
    puts "received #{data} from client"
    send_data ">> #{data}"
  end
end

EM.run do
  EM.start_server('0.0.0.0', 9000, EchoServer)
  puts "Server running on port 9000"
end


# client.rb

#!/usr/bin/env ruby
# simple client

require 'eventmachine'

class EchoClient < EM::Connection
  def initialize(user)
    @user = user
  end
  
  def post_init
    puts "connected"
    send_data "Hello from #{@user}"
  end
  
  def unbind
    puts "disconnected"
  end
  
  def receive_data(data)
    puts "received #{data}"
    close_connection
    EM.stop
  end
end

EM.run do
  EM.connect('localhost', 9000, EchoClient, ARGV[0])
end

# $ ./server.rb
# $ ./client.rb bob
# connected
# received >> Hello from bob
# disconnected