ハムスターを監視するシステムを Raspberry Pi と PHP の Swoole で作った話.pdf

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1. ϋϜελʔΛ؂ࢹ͢ΔγεςϜΛ
   Raspberry Pi ͱ PHP ͷ Swoole Ͱ࡞ͬͨ࿩
   2019/04/24
   
   PHPษڧձ@౦ژ
   
   Ί΋Γʙ
   

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2. ͩΕʁ
   

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3. Ί΋Γʙ (@m3m0r7)
   גࣜձࣾ GameWith Ͱ αʔόʔαΠυ݉ϑϩϯτΤϯυΤϯδχΞ
   
   ͱͯ͠ಇ͍ͯ·͢ɻ
   
   ϐʔΤΠνϐʔνϣοτσΩϧ
   
   2019 ೥ͷ 5 ݄຤ʹ΍Ί·͢ɻస৬׆ಈதͰ͢ɻ
   

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4. ͏ͪͷϋϜελʔͷ͝঺հ
   

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5. Lily (ϦϦΟ)
   ੑผɿঁͷࢠ
   
   ஀ੜ೔ɿ2018 ೥ 11 ݄
   
   ޷͖ͳ৯΂෺ɿ Ϗεέοτ, Ϧϯΰͷ͔͡Γ໦
   
   ݏ͍ͳ৯΂෺ɿསͷ͔͡Γ໦
   
   झຯɿڅਫثͷϊζϧΛΨδΨδ͢Δ͜ͱɻ૸ΔΑΓ޷͖Έ͍ͨͰ͢
   
   

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6. Έͳ͞ΜɺSwoole Λ࢖ͬͨ͜ͱ͸͋Γ·͔͢ʁ
   

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7. ͦͯ͠ɺRaspberry Pi Λ࢖ͬͨ͜ͱ͸͋Γ·͔͢ʁ
   

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9. ϊʔϚϧΧϝϥϞδϡʔϧ ໷ؒ༻ΧϝϥϞδϡʔϧ
   

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10. ͏ͪͷ Raspberry Pi Ͱ͢
    

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12. ͏ͪͷϋϜελʔઐ༻ͷϥοΫͰ͢
    

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13. ͜ͷ੺࿮͕ࠓճͷ Raspberry Pi Λ
    ͓͍ͯΔͱ͜ΖʹͳΓ·͢
    

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14. ٕज़ελοΫ
    

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15. - Raspbian (Raspberry Pi)
    - PHP 7.3
    - Swoole v4
    - Python 3
    - React.js (+ Gulp)
    ओʹ͜ͷ 5 ͭ
    

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16. අ༻͸͍͘Βͩͬͨͷ͔ʁ
    

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17. - Raspberry Pi 3 Model B * 2 ≒ 5,200 * 2 ≒ 10,000 ԁ
    - ΧϝϥϞδϡʔϧ * 2 ≒ 5,000 * 2 ≒ 10,000 ԁ
    - VPS (ࠓճ͸ ConoHa) ≒ 2,500/m ԁ
    - ϧʔλʔ ≒ 15,000 ԁ
    Πχγϟϧίετ ≒ 37,500 ԁ
    ϥϯχϯάίετ ≒ 2,500 ԁ
    

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18. ׂͱ͍͍஋ஈ͠·͢
    

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19. ϨΠςϯγ͸ʁ
    

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20. ମײ 0.5 ඵ͘Β͍
    

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21. αʔόʔͷߏ੒
    

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22. ࣗ୐ LAN VPS (ConoHa)
    PiCamera
    Ϟδϡʔϧ
    4 byte ͷunsigned long ͳαΠζσʔλ +
    picamera.start_recording (mjpeg)
    ϊʔϚϧΧϝϥ ͔Β TCP Ͱૹ৴
    φΠτΧϝϥ͔Β TCP Ͱૹ৴
    

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23. ࣗ୐ LAN ଆ͸Ͳ͏ͳ͍ͬͯΔͷ͔ʁ
    

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24. - ͦ΋ͦ΋ࣗ୐ͷωοτϫʔΫͷϙʔτ͸։͚ͨ͘ͳ͔ͬͨ
    - தܧαʔόʔ͓͚͹ສࣄղܾʂ͘͞Βͷ VPS ͷ౦ژϦʔδϣϯ͕ۭ͍ͯ
    ͳ͔ͬͨͷͰɺࠓճ͸࿩୊෸ಅͷ ConoHa ΛνϣΠε
    - ϧʔλʔΛ৽ௐͯ͠࠷ߴͷ؀ڥʹͨ͠
    - Python3 ͷ picamera Λ࢖ͬͯແݶʹ VPS (ConoHa) ʹૹΓ͚͍ͭͯ·͢
    

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26. VPS ଆ͸Ͳ͏ͳ͍ͬͯΔͷ͔ʁ
    

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27. - PHP ͷ Swoole ͷ Coroutine Λ࢖ͬͯ Raspberry Pi ͔Βͷσʔλͷड৴
    ༻αʔόʔ, ConoHa ΁σʔλΛૹΔͨΊͷૹ৴༻αʔόʔΛ༻ҙ
    - ͨͬͨ͜Ε͚ͩʂ Simple is best.
    

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28. ※ Ұ෦ͷίʔυ
    

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29. ࣮ࡍͷϓϩμΫτͷը໘
    

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31. ετϦʔϛϯάͷςετ
    

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32. Ͳ͏΍͔ͬͨʁ
    

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33. ΧϝϥͷԼͰखΛৼΓͭͭϐʔεΛ͢Δ
    

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35. - mjpeg ͸ Motion JPEG ͷུɻ
    - H.264΋ݕ౼ͨ͠ͷͰ͕͢ɺ ffmpeg Λ௨͢ͱϨΠςϯγ͕ 5 ඵ͘Β͍૿͑Δ໰୊
    ͕͋Γ, mjpeg ΛνϣΠε
    - MIME type ͸ multipart/x-mixed-replace Ͱৗ࣌ίωΫγϣϯΛషΔ
    - (ͳͷͰɺϒϥ΢βͷλϒ͸ϩʔσΟϯάதͷ··)
    - ϨΠςϯγ͸ ମײ 0.5 ඵ͘Β͍ɻͦ͜Β΁Μͷ΋ͷΑΓૣ͍
    - ΊͬͪΌ͵Δ͵Δʹಈ͘
    

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36. Swoole Λ࢖ͬͯΈͯͷײ૝
    

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37. - PHP Ͱඇಉظॲཧ࢖͑Δͷਆʂ
    - Ϗϧυ࣌ʹ —enable-maintainer-zts Λ͠ͳ͍͍ͯ͘ͷͰɺಋೖͷϋʔυ
    ϧ͕௿͍ ( phpize ͚ͩͰ͍͚Δ )
    - Atomic ͕ͤΊͯ serializable ͳ΋ͷ΋࢖͑ΔΑ͏ʹͳΔͱͳ͓خ͍͠
    - ݱঢ়Ͱ͖ͳ͍ͷͰɺ Channel Ͱແཧ΍Γ Coroutine ؒͷσʔλͷड͚౉
    ͠Λ͍ͯ͠·͢ɻ
    

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38. ՝୊
    

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39. ೋ೔ޙʹεΫϦϓτ͕མͪΔ
    

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40. ϩάऔͬͯͳ͍ͷͰམͪͨ
    ݪҼ͕Θ͔Βͳ͍ʗ(^o^)ʘ
    

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41. Ҏ্Ͱ͢
    

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42. THANK YOU FOR YOUR LISTENING !!
    

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