require 'rubygems'
require 'net/ssh/multi'


HOSTLIST = ['132.0.0.1','127.0.0.1']
USERLIST = ['user','user']
PASSWORD = ['userpegase','userpegase']
TIMEOUT = 3




# Gérer les erreurs de connexion... On retente de se connecter 3 fois, après ça (si échec), on lève l'exception
failConnectionHandler = Proc.new do |server|
  puts "Hello"
  server[:connection_attempts] ||= 0

  if server[:connection_attempts] < 3
    server[:connection_attempts] += 1
    throw :go, :retry
  else throw :go, :raise
  end
end


  begin
    Net::SSH::Multi.start(:on_error => failConnectionHandler) do |session|
      HOSTLIST.each_with_index do |session_server,index|
        session.use session_server , :user =>  USERLIST[index] , :password => PASSWORD[index]
        puts session.to_s
        session.exec 'pwd' do |ch, stream, data|
          puts "[#{ch[session_server]} : #{stream}] - #{data}"
        end
      end
    session.loop
    end
  rescue Timeout::Error
   puts "Timed out"
  rescue Errno::EHOSTUNREACH
   puts "Host unreachable"
  rescue Errno::ECONNREFUSED
   puts "Connection refused"
  rescue Net::SSH::AuthenticationFailed
   puts "Authentification failure "
  end