実践Server Side Swift

Swift実践入門刊行記念イベント Feb 24 2017

Transcript

1. ࣮ફ Server Side Swift
   Yuki Takei
   Swift࣮ફೖ໳ץߦه೦Πϕϯτ Feb 24 2017
   

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3. Twitter͸ @noppoman722 Ͱ΍ͬͯ·͢
   

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4. • 2015೥12݄ΑΓɺServer Side SwiftͷϥΠϒϥϦ։ൃ΍ί
   ϛϡχςΟ΁ͷߩݙΛελʔτ
   • 2016೥2݄ʹSlimaneΛϦϦʔε(ݱࡏ։ൃ͸Stop)
   • 2016೥3݄͔ΒTokyo Server Side Swift Meetup։࢝
   • 2016೥4݄͔ΒOpen-SwiftɺZewoίϛϡχςΟʹࢀՃ
   • 2016೥10݄ΑΓServer Work GroupͷεςʔΫϗϧμʔʹ
   • 2017೥1݄ΑΓSwiftΛόοΫΤϯυαʔϏεͷݴޠͱͯ͠ɺ
   αʔϏε։ൃΛελʔτ
   ๻ͱServer Side SwiftͷาΈ
   

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5. https://tokyo-ss-swift.connpass.com/
   

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6. • Server Side Swiftͷ࢖͍ॴ
   • Server Side Swiftͷ։ൃ؀ڥΛ੔͑Δ
   • SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
   • ࣮ફతͳWebΞϓϦέʔγϣϯΛ࡞Ζ͏
   ΞδΣϯμ
   

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7. Server Side Swiftͷ࢖͍ॴ
   

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8. SwiftΛwebαʔϏεͰ࢖͏ϝϦοτ
   • ੩తݴޠͳΒͰ͸ͷ҆શੑɺॊೈͳݴޠ࢓༷
   • ࣮ߦ଎౓ɺলΤω
   • VMɺGC͕ͳ͍
   • iOSΞϓϦ։ൃʹ࢖ΘΕ͍ͯΔϥΠϒϥϦ͕ͦͷ
   ··࢖͑Δέʔε͕༗Δ
   

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9. • APIαʔόʔ(Node.js΍GoͰ࡞͍ͬͯΔͱ͜Ζ)
   • όονॲཧͳͲͷίϚϯυϥΠϯΞϓϦέʔγϣϯ
   • ը૾ॖখɺѹॖɺ҉߸ԽͳͲLLͰ͸࣌ؒͷ͔͔Δ෦෼
   SwiftͷwebαʔϏεͰͷ࢖͍ॴ
   

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10. Server Side Swiftͷ։ൃ؀ڥΛ੔͑ͯΈΑ͏
    

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11. • Xcode8.2ΛࣄલʹΠϯετʔϧ͓͖ͯ͠·͠ΐ͏
    ؀ڥߏஙͷલʹ….
    

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12. Server SideϓϩδΣΫτ͸
    ίϚϯυϥΠϯΛ࢖ͬͯ࡞੒͍͖ͯ͠·͢
    

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13. Server Side SwiftϓϩδΣΫτͷ࡞੒
    ϓϩδΣΫτ༻ͷσΟϨΫτϦ࡞੒
    

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14. εχϖοτ࡞੒ίϚϯυ
    Server Side SwiftϓϩδΣΫτͷ࡞੒
    

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15. Server Side Swiftͷ
    جຊతͳϑΝΠϧߏ੒
    Server Side SwiftϓϩδΣΫτͷ࡞੒
    

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16. main.swiftͷத਎
    

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17. ίϚϯυϥΠϯ্ͰͷϏϧυͱ࣮ߦ
    ίϯύΠϧ & ϦϯΫ
    

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18. ίϚϯυϥΠϯ্ͰͷϏϧυͱ࣮ߦ
    .build/debugҎԼʹ࣮ߦՄೳͳϥΠϒϥ͕ग़དྷΔ
    

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19. ίϚϯυϥΠϯ্ͰͷϏϧυͱ࣮ߦ
    ࣮ߦ
    

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20. Swift Package ManagerΛ࢖ͬͯΈΑ͏
    

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21. • ͦͷ໊ͷ௨ΓɺSwift༻Package Manager(Appleެࣜ)
    • ௨শSPM
    • CocoaPods΍CarthageͱಉϨΠϠʔ
    • ϓϩδΣΫτ഑ԼͷPackage.swiftʹઃఆ΍ґଘΛॻ͖
    ࠐΉ
    • ݱ࣌఺Ͱ͸ɺiOS΍MacͳͲͷUIΞϓϦ͸ະαϙʔτ
    Swift Package Managerͱ͸
    

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22. هड़ྫ
    

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23. ……………
    ……………
    ……………
    Ϗϧυ
    

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24. ……………
    ……………
    …………… ґଘϥΠϒϥϦͷclone
    Ϗϧυ
    

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25. ……………
    ……………
    ……………
    ίϯύΠϧ & ϦϯΫ
    Ϗϧυ
    

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26. XcodeͰ։ൃͯ͠ΈΑ͏
    

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27. SPMͰ࡞ͬͨϓϩδΣΫτ͸ɺ
    XcodeͰ։ൃ͢Δ͜ͱ΋ग़དྷ·͢ɻ
    

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28. XcodeͰ։ൃͯ͠ΈΑ͏
    Package.swift͔ΒઃఆΛಡΈࠐΈɺ.xcodeprojΛ࡞੒͢Δ
    

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29. XcodeͰ։ൃͯ͠ΈΑ͏
    ίϚϯυҰൃͰxcodeproj͕࡞੒͞ΕΔ
    

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30. XcodeͰ։ൃͯ͠ΈΑ͏
    xcodeprojΛ։͖·͢
    

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31. Xcode্Ͱ࣮ߦ
    

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32. XCTest΋΋ͪΖΜ࢖͑·͢ʂ
    

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33. SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯ
    Λ࡞ΔϙΠϯτ
    

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34. SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    ڧྗͳܕ҆શੑΛ׆͔͢
    

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35. σʔλϕʔε΍APIϨεϙϯεͷIO݁Ռ͸Anyܕ͕΄ͱΜͲ
    JSON MySQL
    

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36. σʔλϕʔε΍APIϨεϙϯεͷIO݁Ռ͸Anyܕ͕΄ͱΜͲ
    JSON MySQL
    AnyܕΛͦͷ··ѻ͏ͱ…
    

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37. σʔλϕʔε΍APIϨεϙϯεͷIO݁Ռ͸Anyܕ͕΄ͱΜͲ
    JSON MySQL
    unwrapɺόϦσʔγϣϯΛ౎౓ॻ͘͸Ίʹ…
    

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38. Server Side͸ؔΘΔਓ਺͕ଟ͍ͨΊɺ
    AnyܕΛ;ΜͩΜʹ࢖ͬͨίʔυ͸ϝϯς͕૬౰େม
    

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39. DBͷऔಘ݁ՌͳͲ͸͖ͪΜͱܕΛఆٛ͠·͠ΐ͏
    

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40. Enum
    ڧྗͳܕ҆શੑΛ׆͔͢
    EnumʹΑΔύλʔϯϚονϯά͸ɺServer SideͰ΋༗ޮ
    HTTP Method
    HTTP Status
    

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41. Enum
    ڧྗͳܕ҆શੑΛ׆͔͢
    ErrorͷύλʔϯϚονϯάͰɺΤϥʔϨεϙϯεΛॊೈʹ
    

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42. ܦݧ্ɺwebαʔϏεΛӡ༻͍ͯͯ͠ɺ
    αʔόʔ͕མͪΔେ͖ͳݪҼͷҰ͕ͭNullࢀর(ψϧϙ)Ͱ͢ɻ
    Optionalܕ
    ڧྗͳܕ҆શੑΛ׆͔͢
    

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43. Swiftʹ͸Optionalܕ͕͋ΓɺϓϩάϥϚ͸ͦͷ஋͕nullΛڐ༰
    ͢Δ͔Ͳ͏͔Λࢹ֮తʹ൑அͰ͖·ͨ͠
    ʢίϯύΠϥ͕ڭ͑ͯ͘ΕΔʣ
    Optionalܕ
    ڧྗͳܕ҆શੑΛ׆͔͢
    

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44. Optionalܕ
    ڧྗͳܕ҆શੑΛ׆͔͢
    JavaScriptͰΫϥογϡ͢Δ͔΋͠Εͳ͍ྫ
    

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45. Optionalܕ
    ڧྗͳܕ҆શੑΛ׆͔͢
    SwiftͰ҆શʹIO݁ՌΛѻ͏
    

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46. SwiftΛαʔόʔͰ࢖͏ϝϦοτͯ͠ɺ
    ͜ͷnullͷڐ༰ੑ͸ͱͯ΋େ͖ͳཁૉͰ͢ɻ
    

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47. SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    ΫϥΠΞϯτͰϝδϟʔͳϥΠϒϥϦΛੵۃతʹ࢖͏
    

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48. • Swiftʹ͸iOSͳͲͰங͔ΕͨɺطଘͷΤίγες
    Ϝ͕͋Δ
    • UIΛ࣋ͨͳ͍௨৴ॲཧ΍σʔλγϦΞϥΠζʹ
    ಛԽͨ͠΋ͷ͸ߴ֬཰ͰServer SideͰ΋࢖͑Δ
    • SPMʹରԠ͍ͯ͠ͳ͍৔߹΋ɺগ͠ͷมߋͰ
    Server SideͰ࢖͑Δέʔε͕͋Δ
    SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    ΫϥΠΞϯτͰϝδϟʔͳϥΠϒϥϦΛੵۃతʹ࢖͏
    

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49. • Himotoki
    • SwiftyJSON
    • swift-protobuf
    • RXSwift
    • JSONWebToken.swift
    αʔόʔαΠυͰ΋࢖͑ΔiOSͷϥΠϒϥϦʢ΄ΜͷҰ෦ʣ
    

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50. ंྠͷ࠶ൃ໌Λ߇͑ͯɺΤίγεςϜΛੵۃతʹ׆༻͠·͠ΐ͏
    

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51. SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    UbuntuͰಈ͘͜ͱΛ࠷༏ઌʹ
    

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52. • GoͷΑ͏ͳϙʔλϏϦςΟ͸ະͩSwiftʹ͸ͳ͍
    • SwiftެࣜαϙʔτͷLinux͸Ubuntu
    • MacͰ͸࢖͑ͯ΋UbuntuͰ࢖͑ͳ͍API͸݁ߏ͋Δ
    • ςετίʔυΛඞͣUbuntuͰ΋૸Βͤ·͠ΐ͏
    SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    UbuntuͰಈ͘͜ͱΛ࠷༏ઌʹ
    

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53. Linux൛SwiftͰϋϚͬͨ͜ͱᶃ
    CF**ͰDNSղܾΛࢼΈ͕ͨ…..
    

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54. CF**ͰDNSղܾΛࢼΈ͕ͨ…..
    Linux൛SwiftͰϋϚͬͨ͜ͱᶃ
    

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55. Linux൛Swiftʹ͸CF**Ͱ࢖͑ͳ͍΋ͷ͕͋Δ
    Linux൛SwiftͰϋϚͬͨ͜ͱᶃ
    

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56. Main thread͔Ͳ͏͔൑ఆ͠Α͏ͱͯ͠…
    Linux൛SwiftͰϋϚͬͨ͜ͱᶄ
    

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57. Main thread͔Ͳ͏͔൑ఆ͠Α͏ͱͯ͠…
    Linux൛SwiftͰϋϚͬͨ͜ͱᶄ
    

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58. Linux൛SwiftͰϋϚͬͨ͜ͱᶄ
    

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59. ࣮૷͞Εͯͳ͍wwwww
    

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60. ͜ͷΑ͏ʹɺະͩLinux൛SwiftͰ͸τϥοϓ͕ͪΒ΄Β
    

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61. MacͰಈ͍͔ͨΒͬͯ҆৺͠ͳ͍Α͏ʹʂ
    

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62. SwiftͰݎ࿚Ͱߴ଎ͳwebΞϓϦέʔγϣϯΛ࡞ΔϙΠϯτ
    GCDΛ׆༻ͯ͠ɺαʔόʔϦιʔεΛޮ཰తʹѻ͏
    

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63. GCDͱ͸ɺThread΍ඇಉظ໋ྩΛ؆୯ʹѻ͏ͨΊͷϥΠϒϥϦ
    GCDΛ͏·͘ѻ͏͜ͱ͕ɺSwiftͷServer SideΛ߈ུ͢Δ伴
    

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64. Dispatch Queue
    Serial
    Task Task Task
    Task Task
    queue.async {}
    Concurrent
    Task Task
    Task Task
    Task Task Task Task
    queue.async {}
    executing
    waiting
    balancing
    thread 1
    thread 1
    thread 2
    

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65. Dispatch Source
    Dispatch
    Source
    Socket
    ؂ࢹ
    Event
    Event
    Event
    ιέοτ΍ϑΝΠϧͷهड़ࢠΛ؂ࢹͯ͠ɺ
    ॻ͖ࠐΈ͕͋ͬͨλΠϛϯάͰΠϕϯτΛൃՐ
    select΍kqueueͱ͍ͬͨඇಉظܥͷsystem callΛந৅Խ͍ͯ͠Δ
    

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66. GCDΛۦ࢖ͯ͠ɺߴ଎ͳαʔόʔΛ࡞Γ·͠ΐ͏
    

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67. SwiftͰ࣮ફతͳWebΞϓϦέʔγϣϯ
    Λ࡞ͬͯΈΑ͏
    

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68. Ϣʔβʔ A Ϣʔβʔ B
    OAuth OAuth
    Callback Callback
    ͜Μͳײ͡ͷwebΞϓϦέʔγϣϯΛ࡞ͬͯΈ·ͨ͠
    ChatϧʔϜ
    ᶃ ᶃ
    ᶄ ᶄ
    ᶅ ᶅ
    

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69. • GithubͷOAuthΛ࢖ͬͨϩάΠϯػೳ
    • JWTʹΑΔϢʔβʔೝূ(ηογϣϯ୅ସ)
    • σʔλ͸શͯMySQLʹอଘ͢Δ
    • ίʔυଆͰεΩʔϚ؅ཧ
    • View͸SPAͰఏڙ
    ͬ͘͟Γͱͨ͠ཁ݅
    

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70. https://github.com/noppoMan/SwiftJNChatApp
    

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71. σϞ
    

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72. https://www.youtube.com/watch?v=WI7BQQHVV_Y&feature=youtu.be
    ಈըURL͸ͪ͜Β
    

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73. • noppoMan/Prorosum …… HTTP Server
    • noppoMan/WebAppKit …… Routing, Middleware
    • noppoMan/SwiftKnex …… Mysql Client, Schema Migrator
    • apple/swift-protobuf …… Entities and JSON serializer
    • kylef/JSONWebToken.swift …… JWT encode/decode
    ࠓճ࢖ͬͨϥΠϒϥϦ
    

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74. noppoMan/Prorsum
    

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75. noppoMan/Prorosum
    • HTTP ServerͳͲͷSwiftඪ४Ͱఏڙ͞Ε͍ͯͳ͍
    ωοτϫʔΫػೳΛิ׬͢Δ
    • LinuxͰಈ͘͜ͱΛલఏʹ։ൃ͞Ε͍ͯΔ
    • GoݴޠͷgoroutineͱChannelΛΠϯεύΠΞ͠
    ͨɺඇಉظ/ಉظॲཧϞσϧ
    

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76. ProrsumͷαʔόʔΞʔΩςΫνϟ
    DispatchSource + DispatchQueueΛ࢖ͬͨ
    Πϕϯτۦಈ + WorkerThreadͷϋΠϒϦοτϞσϧ
    main
    thread
    DispatchSourceͰɺ
    listeningSocketΛ؂ࢹ
    Queue
    Queue
    Queue
    Queue Queue
    Queue Queue
    Queue Queue
    client
    DispatchQueue(concurrent)
    nonblocking I/O
    blocking I/O
    

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77. • Ͳ͏ͯ͠΋ɺCallbackϕʔεͷϑϩʔ੍ޚʹͳͬ
    ͯ͠·͏
    • ConcurrentͰ࣮ߦ͢Δ৔߹ɺεϨουηʔϑΛҙ
    ࣝͯ͠ϓϩάϥϛϯάΛ͢Δඞཁ͕͋Δ
    DispatchQueueͷ໰୊఺
    

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78. thread
    Prorsumͷඇಉظ/ಉظॲཧϞσϧ
    Task1
    Task2
    Task3
    send
    send
    send
    main
    thread
    receive
    Channel
    thread
    thread
    ProrsumͰ͸ݪଇͱͯ͠callbackʹΑΔϑϩʔ੍ޚ͸ߦΘͳ͍ɻ
    Prorosumͷఏڙ͢Δgoؔ਺ͱchannelʹΑΓɺฒྻॲཧͱͦͷಉظΛऔΔ
    Async Async
    Async
    Sync(Blocking)
    

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79. go()ͱChannelΛ࢖࢛ͬͨଇԋࢉͷྫ
    

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80. thread
    લճͷਤʹ౰ͯ͸ΊΔͱ
    Task1
    Task2
    Task3
    send(1)
    send(2)
    send(3)
    main
    thread
    Channel
    thread
    thread
    go() go()
    go()
    receive(1)
    receive(2)
    receive(3)
    

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81. ProrsumͷύϑΥʔϚϯε
    Request/sec
    0
    17500
    35000
    52500
    70000
    Prorsum Kitura Go 1.7 HTTP Server Express
    14,769
    64,768
    17,144
    29,436
    ɾwrk -d 30s -t 4 -c 20
    ɾResponded with the 10 length of random JSON array
    ɾMachine: MacOS Sierra, 8 logical cores, 8GB RAM
    

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82. Routing΍Middleware
    • noppoMan/WebAppKitΛ࢖͍ͬͯΔ
    • WebAppKit͸ϓϩʔαϜ޲͚ͷRoutingɺ
    MiddlewareΛఏڙ͢ΔϑϨʔϜϫʔΫ
    • Express΍SinatraͷΑ͏ͳ΋ͷ
    • ೝূͳͲ͸͜ͷMiddlewareͰॲཧ͍ͯ͠Δ
    

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83. APIͱͷ௨৴
    (NS)URLSessionΛ࢖ͬͯAPIͱ௨৴͍ͯ͠Δɻ
    ͨͩ͠ɺίʔϧόοΫϕʔεͷϑϩʔ੍ޚʹͨ͘͠ͳ͍ͷͰɺdataTaskResumtSync
    ͱ͍͏ϝιουΛ௥Ճͯ͠ɺpthread_cond_waitͰϒϩοΫ͢ΔΑ͏ʹ͍ͯ͠Δ
    Routes/GithubRoute.swift
    

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84. ࣮͸APIKitΛ࢖͍͔ͨͬͨͷͰ͕͢ɺɺ
    

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85. objc_**͕LinuxͰ࢖͑ͳ͍…
    

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86. ͥͻLinuxରԠ͍ͨ͠Ͱ͢Ͷʂ
    

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87. • SwiftyJSONͳͲͷJSONϥΠϒϥϦ͸࢖͍ͬͯͳ͍
    • EntityΛswift-protobufΛ࢖ͬͯఆ͍ٛͯ͠ΔͨΊɺͦ
    Ε͕ఏڙ͢ΔJSONγϦΞϥΠζػೳΛ࢖͍ͬͯΔ
    JSONͷऔѻ
    

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88. Swift͔ΒMySQLΛѻ͏
    ͓ख੡ͷSwiftKnexͱ͍͏ϥΠϒϥϦΛ࢖͍ͬͯΔ
    

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89. • Mysql QueryBuilder
    • Schema Migration
    • Pure SwiftͰMySQLϓϩτίϧΛ࣮૷͍ͯ͠Δ
    noppoMan/SwiftKnex
    

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93. ܕ҆શʹselect݁ՌΛѻ͏
    

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94. ίʔυଆͰεΩʔϚ؅ཧ
    SwiftKnexʹ͸ɺεΩʔϚ؅ཧ/ϚΠάϨʔγϣϯػೳ͕උΘ͍ͬͯΔ
    

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95. Migration ClassΛ࡞੒͢Δ
    $ ./.build/debug/SwiftKnexMigration create ResourceName
    ΛίϚϯυϥΠϯ͔Β࣮ߦ͢Δ͜ͱͰɺMigration ClassΛ࡞੒
    

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96. Migration/20170218035306_CreateUser.swift
    Migration Classͷఆٛ
    

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97. Migrationͷ࣮ߦ/ϩʔϧόοΫ
    

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98. Ϋϥ΢υ΁ͷσϓϩΠͳͲɺ
    ࿩͍ͨ͜͠ͱ͸ଞʹ΋୔ࢁ͋ΔͷͰɺͥͻ࠙਌ձͰʂ
    

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99. SwiftͰͷαʔόʔαΠυ։ൃ͸ເ෺ޠͰ͸ͳ͘ɺ
    ͢ͰʹϦΞϧͳ΋ͷͰ͋Δͱ͍͏͜ͱ͕఻ΘΕ͹خ͍͠Ͱ͢ʂ
    

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100. ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
     

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