ca.swift.pdf

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1. ͜Ε͔Β࢝ΊΔ Protocol Buffers ӡ༻ 2016/12/1 CA.swift
2. About Me ҏ౻ɹګฏ Github : KyoheiG3 Twitter : @KyoheiG3
4. protobufΛ࢖͍࢝ΊͨྲྀΕ • gRPCΛ࢖͓͏ͱ͍ͯͨ͠ • Obj-CͷελςΟοΫϥΠϒϥϦͷಋೖ͕ͭΒ͔ͬͨ • Android΋ͳΜ͔ͭΒͦ͏ͩͬͨ • ͳΜ͔৭ʑ͔ͭΒͬͨʢΑ֮͑ͯ͘ͳ͍
5. gRPC͸΍Ί͚ͨͲprotobuf͸ͦͷ··࢖ͬͨ
6. protobufͷ͓͞Β͍
7. protobufͷಛ௃ • ࣄલʹߏ଄Λఆٛ͢Δ • όΠφϦσʔλΛ௚઀ѻ͏
8. protobufͷػೳ • Ϋϥεఆٛ • όΠφϦσʔλͷγϦΞϥΠζ/σγϦΞϥΠζ • JSONσʔλͷγϦΞϥΠζ/σγϦΞϥΠζ
9. protobufͷϝϦοτ • σʔλྔ • ߴ଎ • ҆શ • ڞ༗
10. protobufͷσϝϦοτ • ίϯύΠϧ • ಋೖखॱ • ֬ೝखॱ
11. σϝϦοτΛϝϦοτʹ ม͍͖͑ͯ·͠ΐ͏ !
12. ಋೖͷ؆୯ͳྲྀΕ 1. ϓϩδΣΫτଆͰϏϧυ؀ڥΛߏங 2. .protoϑΝΠϧΛ࡞੒ 3. .protoϑΝΠϧΛίϯύΠϧ 4. ग़དྷ্͕ͬͨϑΝΠϧΛಋೖ
13. 1. ϓϩδΣΫτଆͰϏϧυ؀ڥΛߏங • protocϓϥάΠϯͷબఆ • ؀ڥ෼༻ҙ(Android, iOS, web, api, etc..) • protocϓϥάΠϯͷϥΠϒϥϦΛಋೖ
14. 1. ϓϩδΣΫτଆͰϏϧυ؀ڥΛߏங Swiftͩͱ2ͭ https://github.com/apple/swift-protobuf https://github.com/alexeyxo/protobuf-swift
15. 2. .protoϑΝΠϧΛ࡞੒ .protoϑΝΠϧྫ syntax = "proto3"; message BookInfo { int64 id = 1; string title = 2; string author = 3; } message MyLibrary { int64 id = 1; string name = 2; repeated BookInfo books = 3; map<string,string> keys = 4; }
16. 3. .protoϑΝΠϧΛίϯύΠϧ
17. 4. ग़དྷ্͕ͬͨϑΝΠϧΛಋೖ iOSͳΒϓϩδΣΫτʹϑΝΠϧΛಥͬࠐΉ͚ͩ
18. ͦͷ··ΦϒδΣΫτͱͯ͠ར༻Մೳ • protobuf message MyLibrary { int64 id = 1; string name = 2; repeated BookInfo books = 3; map<string,string> keys = 4; } • Swift public struct MyLibrary { public var id: Int64 = 0 public var name: String = "" public var books: [BookInfo] = [] public var keys: Dictionary<String,String> = [:] }
19. ஫ҙ఺ • ࡞ͬͨϑΝΠϧ͸ฤू͠ͳ͍ • ಠࣗͷmodel͕࢖͍͍ͨ৔߹͸Ϛοϐϯά͕ඞཁ • ωʔϜεϖʔε͸packageͰղܾ͢Δ
20. σϝϦοτΛղܾ͢Δ
21. JSONͳͲͱൺֱͯ͠൥Θ͍͠ͱࢥΘΕΔ໰୊఺Ұཡ • ࣄલఆ͕ٛඞཁ໰୊ • มߋͷ౓ʹίϯύΠϧ͕ඞཁ໰୊ • ελϒͱ͔࡞Δͷ໘౗ͳΜͰ͠ΐʁ໰୊ • όΠφϦ͸ਓؒʹ͸ཧղͮ͠Β͍໰୊
22. ͔֬ʹ...Ͱ΋JSONʹ΋໰୊͸৭ʑ͋Γͦ͏...
23. JSONͷख͕ܰ͞΋ͨΒ͢؁͍᠘
28. JSONͰؕΓ͕ͪͳࣦഊ • σʔλఆٛΛ࣮૷ͱ͸ผͷͱ͜ΖͰߦ͏ • υΩϡϝϯτͱ࣮σʔλ͕ͳΜ͔ҧ͏ • ͦ΋ͦ΋ఆ͕ٛ؅ཧ͞Ε͍ͯͳ͍ • มߋཤྺ͕௥͑ͳ͍ • มߋՕॴ͕௥͑ͳ͍
29. protobufͰղܾ͠·͠ΐ͏
31. ໰୊Ͱ໰୊ղܾ
32. ࣄલఆ͕ٛඞཁ໰୊վΊ ࣄલఆٛͰ໰୊ղܾ ೝ͕ࣝζϨͳ͍
33. ࣄલఆ͕ٛඞཁ໰୊վΊ ࣄલఆٛͰ໰୊ղܾ มߋΛϨϏϡʔͰ͖Δ
34. ࣄલఆ͕ٛඞཁ໰୊վΊ ࣄલఆٛͰ໰୊ղܾ υΩϡϝϯτΛग़ྗͰ͖Δ
35. มߋͷ౓ʹίϯύΠϧ͕ඞཁ໰୊վΊ มߋ͕ඞཁͳ࣌ʹίϯύΠϧͯ͠໰୊ղܾ • ϑΟʔϧυͷ௥Ճ͸ແࢹͰ͖Δ • TagมߋͳͲͷഁյతมߋ͕ͳ͚Ε͹ߋ৽ඞਢͰ͸ͳ͍ • αʔόଆͰΩʔ໊͕มߋ͞Εͯ΋ࠓ·Ͱ௨Γར༻Մೳ ※JSONͷγϦΞϥΠζͳͲͷॲཧ్͕தʹೖΔ৔߹ɺΩʔ໊Λ มߋ͢Δͱσʔλ͕ܽམ͠·͢
36. ελϒͱ͔࡞Δͷ໘౗ͳΜͰ͠ΐʁ໰୊͸ JSONσγϦΞϥΠζͰղܾ • JSONͰ༻ҙͨ͠σʔλ͔ΒσγϦΞϥΠζͰ͖Δ • protobufΛฦ͢ϞοΫΛ࡞Γ͍ͨͳΒσγϦΞϥΠζσʔλ ΛߋʹprotobufʹγϦΞϥΠζ • Himotoki࢖ͬͯΔʁҰ୴JSONʹγϦΞϥΠζ͠Α͏ʢବ
37. όΠφϦ͸ਓؒʹ͸ཧղͮ͠Β͍໰୊͸ ௨৴σʔλͷ೉ಡԽͱׂΓ੾Δ • #DEBUGͷ࣌͸application/jsonͰड͚औΔͳͲ • ΦϒδΣΫτ͸ී௨ʹϩάग़ྗͰ͖Δ • ੜͷJSONจࣈྻΑΓσόοά͠қ͍
38. ӡ༻
39. APIͰprotobufΛฦ͢ • EntityΛprotobufͷ΋ͷʹ͢Δ • ϦΫΤετͷAcceptϔομͰ൑அ
40. ϦΫΤετͷAcceptϔομͰ൑அ let library = getLibrary() let accept = request.headers["Accept"] if accept == "application/protobuf" { response.headers["Content-Type"] = "application/protobuf" response.send(data: try library.serializeProtobuf()) } else { response.headers["Content-Type"] = "application/json; charset=UTF-8" response.send(try library.serializeJSON()) }
41. protobufͰϦΫΤετ͢Δ • ϦΫΤετʹAcceptϔομΛຒΊࠐΉ • ϨεϙϯεϔομΛݟͯjsonͱprotobufͷ੾Γସ͑
42. ϨεϙϯεϔομΛݟͯjsonͱprotobufͷ੾Γସ͑ let contentType = response.allHeaderFields["Content-Type"] as? String if let type = contentType, type == "application/protobuf" { return try MyLibrary(protobuf: data) } else { let json = String(bytes: data, encoding: .utf8) return try MyLibrary(json: json!) }
43. stab͸JSONσγϦΞϥΠζ let json = String(bytes: data, encoding: .utf8) return try MyLibrary(json: json!)
44. protobufΛฦ͢ϞοΫ let json = String(bytes: data, encoding: .utf8) let library = try MyLibrary(json: json!) return try library.serializeProtobuf()
45. ͦͷଞ΍Δ͜ͱ • .protoΛόʔδϣϯ؅ཧ • .protoͷυΩϡϝϯτԽ • .swiftͷframeworkԽ
46. .protoͷυΩϡϝϯτԽ https://github.com/estan/protoc-gen-doc $ brew install qt5 $ brew link --force qt5 $ git clone https://github.com/estan/protoc-gen-doc.git $ cd protoc-gen-doc $ PROTOBUF_PREFIX=/usr/local/Cellar/protobuf/3.1.0 qmake $ make && make install ※PROTOBUF_PREFIX͸ɺ࢖༻͢Δprotobufʹ߹Θͤͯͩ͘͞ ͍ɻ
47. .protoͷυΩϡϝϯτԽ $ protoc --doc_out=markdown,../docs.md:. *.proto $ protoc --doc_out=html,../index.html:. *.proto
48. .swiftΛframeworkԽ͢Δ Pod::Spec.new do |s| s.name = "Protobuf" s.summary = "Protobuf" s.homepage = "https://github.com/KyoheiG3/ProtobufExample" s.version = "0.0.1" s.author = { "Kyohei Ito" => "je.suis.kyohei@gmail.com" } s.ios.deployment_target = '8.0' s.source = { :path => '.' } s.source_files = "**/*.swift" s.requires_arc = true s.dependency 'SwiftProtobuf' end
49. .swiftΛframeworkԽ͢Δ pod 'Protobuf', :path => '../protos'
50. σϞ https://github.com/KyoheiG3/ProtobufExample
51. Thanks!