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

2. ͩΕʁ

3. Ί΋Γʙ (@m3m0r7) גࣜձࣾ GameWith Ͱ αʔόʔαΠυ݉ϑϩϯτΤϯυΤϯδχΞ ͱͯ͠ಇ͍ͯ·͢ɻ ϐʔΤΠνϐʔνϣοτσΩϧ 2019 ೥ͷ

   5 ݄຤ʹ΍Ί·͢ɻస৬׆ಈதͰ͢ɻ

4. ͏ͪͷϋϜελʔͷ͝঺հ

5. Lily (ϦϦΟ) ੑผɿঁͷࢠ ஀ੜ೔ɿ2018 ೥ 11 ݄ ޷͖ͳ৯΂෺ɿ Ϗεέοτ, Ϧϯΰͷ͔͡Γ໦

   ݏ͍ͳ৯΂෺ɿསͷ͔͡Γ໦ झຯɿڅਫثͷϊζϧΛΨδΨδ͢Δ͜ͱɻ૸ΔΑΓ޷͖Έ͍ͨͰ͢

6. Έͳ͞ΜɺSwoole Λ࢖ͬͨ͜ͱ͸͋Γ·͔͢ʁ

7. ͦͯ͠ɺRaspberry Pi Λ࢖ͬͨ͜ͱ͸͋Γ·͔͢ʁ

8. None

9. ϊʔϚϧΧϝϥϞδϡʔϧ ໷ؒ༻ΧϝϥϞδϡʔϧ

10. ͏ͪͷ Raspberry Pi Ͱ͢

11. None

12. ͏ͪͷϋϜελʔઐ༻ͷϥοΫͰ͢

13. ͜ͷ੺࿮͕ࠓճͷ Raspberry Pi Λ ͓͍ͯΔͱ͜ΖʹͳΓ·͢

14. ٕज़ελοΫ

15. - Raspbian (Raspberry Pi) - PHP 7.3 - Swoole v4

    - Python 3 - React.js (+ Gulp) ओʹ͜ͷ 5 ͭ

16. අ༻͸͍͘Βͩͬͨͷ͔ʁ

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

18. ׂͱ͍͍஋ஈ͠·͢

19. ϨΠςϯγ͸ʁ

20. ମײ 0.5 ඵ͘Β͍

21. αʔόʔͷߏ੒

22. ࣗ୐ LAN VPS (ConoHa) PiCamera Ϟδϡʔϧ 4 byte ͷunsigned long

    ͳαΠζσʔλ + picamera.start_recording (mjpeg) ϊʔϚϧΧϝϥ ͔Β TCP Ͱૹ৴ φΠτΧϝϥ͔Β TCP Ͱૹ৴

23. ࣗ୐ LAN ଆ͸Ͳ͏ͳ͍ͬͯΔͷ͔ʁ

24. - ͦ΋ͦ΋ࣗ୐ͷωοτϫʔΫͷϙʔτ͸։͚ͨ͘ͳ͔ͬͨ - தܧαʔόʔ͓͚͹ສࣄղܾʂ͘͞Βͷ VPS ͷ౦ژϦʔδϣϯ͕ۭ͍ͯ ͳ͔ͬͨͷͰɺࠓճ͸࿩୊෸ಅͷ ConoHa ΛνϣΠε -

    ϧʔλʔΛ৽ௐͯ͠࠷ߴͷ؀ڥʹͨ͠ - Python3 ͷ picamera Λ࢖ͬͯແݶʹ VPS (ConoHa) ʹૹΓ͚͍ͭͯ·͢
25. None

26. VPS ଆ͸Ͳ͏ͳ͍ͬͯΔͷ͔ʁ

27. - PHP ͷ Swoole ͷ Coroutine Λ࢖ͬͯ Raspberry Pi ͔Βͷσʔλͷड৴

    ༻αʔόʔ, ConoHa ΁σʔλΛૹΔͨΊͷૹ৴༻αʔόʔΛ༻ҙ - ͨͬͨ͜Ε͚ͩʂ Simple is best.

28. ※ Ұ෦ͷίʔυ

29. ࣮ࡍͷϓϩμΫτͷը໘

30. None

31. ετϦʔϛϯάͷςετ

32. Ͳ͏΍͔ͬͨʁ

33. ΧϝϥͷԼͰखΛৼΓͭͭϐʔεΛ͢Δ

34. None

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

36. Swoole Λ࢖ͬͯΈͯͷײ૝

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

38. ՝୊

39. ೋ೔ޙʹεΫϦϓτ͕མͪΔ

40. ϩάऔͬͯͳ͍ͷͰམͪͨ ݪҼ͕Θ͔Βͳ͍ʗ(^o^)ʘ

41. Ҏ্Ͱ͢

42. THANK YOU FOR YOUR LISTENING !!