Tochigi Ruby Kaigi 08 Keynote

分散オブジェクトとはアレですか？

Transcript

1. 分散オブジェクトとは
   アレですか?
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   Tochigi RubyKaigi 08
   Masatoshi SEKI / @m_seki
   

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2. http://www.druby.org/drb20_tork08.pdf
   ֎ʹग़Εͳ͍࣮श༻ͷωοτϫʔΫ
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3. Agenda
   頃
   Workshop
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4. ࡞Γͳ͕Βߟ͑Δͷ͕޷͖
   dRuby
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5. OOPͷϑΝϯλδʔ
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6. ෼ࢄOOPͷϑΝϯλδʔ
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7. dRubyͰ࡞ͬͨ΋ͷ
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8. ઌ૆ฦΓ
   OOP
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9. Ͱ͖͔ͯΒߟ͑ͨ͜ͱ
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10. ϓϩηεΛ෼͚Δҙຯ
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11. dRuby 20th anniversary hands-on workshop
    @m_seki / seki@ruby-lang.org
    

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12. ॏཁ
    2005
    !
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    dRuby
    ʹΑΔ
    ؔকढ़ஶ
    ෼ࢄ
    ɾ
    Web
    ϓϩάϥϛϯά
    

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13. The dRuby Book
    2012
    Out of print
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14. HTML൛ެ։த
    http://www.druby.org/sidruby/
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15. Rubyͱࢲ
    1999
    ERB, dRuby, ....
    2000 Perl/RubyConference
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16. ERB
    Ruby
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17. dRuby
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18. ࠓ೔͸
    dRuby 頃
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19. ࠓ೔͸
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20. RMI
    Remote Method Invocation
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21. αʔό
    Web
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22. dRuby͸
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23. Ruby෩
    Web
    dRuby Ruby
    Ruby
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24. ԋश1
    Hello, World.
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25. ԋश1
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    hello_server.rb hello_client.rb
    hello()
    "Hello, World."
    

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26. hello_server.rb
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    while true
    sleep 1
    end
    

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27. require
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    sleep
    

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28. DRb.start_service
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    sleep
    

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29. URI
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    sleep
    

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30. ऴྃͤ͞ͳ͍
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    sleep
    

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31. ໿ଋࣄ
    require 'drb/drb'
    DRb.start_service
    URI
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32. hello_client.rb
    require 'drb/drb'
    DRb.start_service
    ro = DRbObject.new_with_uri('druby://localhost:54000')
    ro.hello
    

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33. hello_client.rb
    require 'drb/drb'
    DRb.start_service
    ro = DRbObject.new_with_uri('druby://localhost:54000')
    ro.hello
    

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34. hello_client.rb
    require 'drb/drb'
    DRb.start_service
    ro = DRbObject.new_with_uri('druby://localhost:54000')
    ro.hello
    

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35. hello_client.rb
    require 'drb/drb'
    DRb.start_service
    ro = DRbObject.new_with_uri('druby://localhost:54000')
    ro.hello
    

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36. ໿ଋࣄ
    require 'drb/drb'
    DRb.start_service
    DRbObject.new_with_uri
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37. ݩ͸͜Ε
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    ro = Hello.new
    ro.hello
    

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38. require 'drb/drb'
    DRb.start_service
    ro = DRbObject.new_with_uri('druby://localhost:54000')
    ro.hello
    require 'drb/drb'
    class Hello
    def hello
    puts('Hello, World.')
    end
    end
    DRb.start_service('druby://localhost:54000', Hello.new)
    sleep
    

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39. ԋश1
    hello_client.rb
    hello_server.rb hello_client.rb
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40. ԋश2
    (Hash)
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41. Hash
    ( )
    Array
    ( )
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42. hash_server.rb
    require 'drb/drb'
    require 'pp'
    front = Hash.new
    DRb.start_service('druby://localhost:54300', front)
    while true
    sleep 10
    pp front
    end
    

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43. ԋश2
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    hash_server.rb
    irb
    irb
    

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44. ԋश2
    "String"
    2012
    Time.now
    $stdout
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45. CGIͷྫ
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    CGI
    Web App
    CGI
    CGI
    CGI
    long lifetime
    short lifetime
    

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46. WEBrickʹΑΔΞϓϦ
    WEBrick HTTP
    CGI
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47. WEBrick::CGI
    require 'webrick/cgi'
    class MyCGI < WEBrick::CGI
    def do_GET(req, res)
    res["content-type"] = "text/plain"
    ret = "hoge\n"
    res.body = ret
    end
    end
    MyCGI.new.start()
    

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48. start
    WEBrick::CGI#start(env = ENV,
    stdin = $stdin,
    stdout = $stdout)
    

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49. startϝιου
    $stdin, $stdout
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50. m_seki's cgi
    require 'drb/drb'
    DRb.start_service('druby://localhost:0')
    ro = DRbObject.new_with_uri('druby://localhost:50830')
    ro.start(ENV.to_hash, $stdin, $stdout)
    

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51. startͷΑ͏͢
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    CGI Web App
    $stdin.read
    $stdout.write
    start(env, $stdin, $stdout)
    

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52. Δͼ·40߸
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53. ԋश6
    Shi-ri-to-ri
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54. ·ͱΊ
    dRuby
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55. ;Γ͔͑Γ
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