gRPC

Transcript

1. gRPC @MoyuruAizawa

2. Ѫᖒ
   ๖ (Moyuru Aizawa) MoyuruAizawa Contract Developer Pairs Div. Eureka, Inc.

   FRESH! Div. CyberAgent, Inc.
3. None

4. ‣ Live Streaming ‣ Upcoming ‣ Live ‣ Pause ‣

   … FRESH!

5. FRESH!

6. Polling

7. Polling Client Server Live Pause

8. Polling Client Server Live Pause

9. Polling Client Server Live Pause

10. Polling Client Server Live Pause

11. Polling Client Server Live Pause

12. Polling Client Server Live Pause

13. Polling Client Server Live Pause

14. Polling Client Server Live Pause

15. Polling Client Server Live Pause ແବ!

16. Polling Client Server Live Pause ஗͍!!

17. gRPC

18. ‣ Google ‣ Remote Procedure Call ‣ HTTP/2 ‣ ѹॖϔομʔ

    ‣ αʔόʔϓογϡ ‣ Protocol Buffers ‣ ετϦʔϜ ‣ … gRPC

19. gRPC

20. gRPC Channel(OkHttp2) Binary data

21. gRPC Serialize/Deserialize
 … FooServiceStub

22. Plasma

23. ‣ FRESH!։ൃ ‣ gRPC Stream, Server Sent EventΛ༻͍ͨ൚༻తͳServer Pushϛυϧ ΢ΣΞ

    ‣ ΫϥΠΞϯτ͸Plasmaʹରͯ͠subscribe͍ͨ͠EventΛૹΔ ‣ Πϕϯτൃੜ࣌ʹPlasma͕ΫϥΠΞϯτʹରͯ͠৘ใΛૹΔ ‣ https://blog.stormcat.io/post/entry/openfresh-plasma/ Plasma

24. gRPC Client Plasma

25. gRPC Client Plasma Connect to server

26. gRPC Client Plasma Connect to server subscribe Event1

27. gRPC Client Plasma Connect to server subscribe Event1 Event1

28. gRPC Client Plasma Connect to server subscribe Event1 Event1

29. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2

30. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2 Event2

31. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2 Event2

32. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2 Event1 Event2

33. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2 Event1 Event2

34. gRPC Client Plasma Connect to server subscribe Event1 Event1 subscribe

    Event2 Event1 Event2 ແବͳϦΫΤετͷ࡟ݮ ϦΞϧλΠϜ

35. TIPS

36. ‣ Protobuf ‣ ProtoϑΝΠϧͷσʔλఆٛΛݩʹSerialize/Deserializeίʔυͷੜ ੒ɺσʔλΫϥεͷੜ੒ ‣ ProtoϑΝΠϧͷαʔϏεఆٛΛݩʹStubΫϥεͷੜ੒ ‣ Channel ‣

    αʔόʔͱͷίωΫγϣϯ ‣ Stub ‣ αʔϏε gRPC

37. Kotlin and Protobuf

38. Kotlin and Protobuf

39. apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'com.google.protobuf' apply

    plugin: 'com.android.application' apply plugin: 'com.google.protobuf' apply plugin: 'kotlin-android' Kotlin and Protobuf

40. Channel and Lifecycle

41. ManagedChannel and Lifecycle onCreate

42. ManagedChannel and Lifecycle onCreate new ManagedChannel()

43. ManagedChannel and Lifecycle onCreate new ManagedChannel() FooServiceStubGrpc.newStub(channel)

44. ManagedChannel and Lifecycle onCreate new ManagedChannel() FooServiceStubGrpc.newStub(channel) stub.bar()

45. ManagedChannel and Lifecycle onCreate onDestroy channel.shutdownNow() new ManagedChannel() FooServiceStubGrpc.newStub(channel) stub.bar()

46. ManagedChannel and Lifecycle onCreate onDestroy channel.shutdownNow() the system will simply

    kill the activity's hosting process without calling onDestroy new ManagedChannel() FooServiceStubGrpc.newStub(channel) stub.bar()

47. ManagedChannel and Lifecycle onCreate onDestroy channel.shutdownNow() new ManagedChannel() FooServiceStubGrpc.newStub(channel) stub.bar()

    αʔόʔʹແବͳίωΫγϣϯ͕ཷ·͍ͬͯ͘ ΞϓϦ͕όοΫάϥ΢ϯυͰ΋௨৴ͯ͠͠·͏

48. ManagedChannel and Lifecycle onCreate onDestroy channel.shutdownNow() new ManagedChannel() FooServiceStubGrpc.newStub(channel) stub.bar()

    onStart onStop

49. ‣ onStart-onStopͰίωΫγϣϯΛுΔ ‣ ίωΫγϣϯ͕੾ΕͨStub͸࢖͑ͳ͘ͳΔͷͰɺStub΋ຖ౓ੜ੒͠௚ ͢ ‣ FRESH!Ͱ͸gRPCͰ௨৴͢Δ༻ͷΫϥεΛ࡞੒ɻαʔόʔͱͷ઀ଓ ͱɺϦΫΤετΛ·ͱΊͨɻ ManagedChannel and

    Lifecycle

50. Reconnection

51. ‣ Channel: αʔόʔͱͷίωΫγϣϯ ‣ ManagedChannel:αʔόʔ͕μ΢ϯ͢Δɺ୺຤͕ΦϑϥΠϯʹͳΔͳ ͲʹΑͬͯίωΫγϣϯ͕੾Εͯ΋ɺ࠶઀ଓΛߦͬͯ͘ΕΔɻ Reconnection

52. Reconnection ͍͔ͭΒManagedChannel͕ૉૣ͘ ࠶઀ଓͯ͘͠ΕΔͱࡨ͍֮ͯͨ͠?

53. ‣ ͔ͨ͠ʹɺ࠶઀ଓͯ͘͠ΕΔɻ ‣ ͔͠͠ɺ΍ͨΒ͕͔͔࣌ؒΔɻ(5ඵͱ͔10ඵͱ͔) ‣ ࠶઀ଓ·ͰผͷHTTP/1.1ͷAPIΛୟ͘ Plasma͕RxͰ͍͏PublishSubjectͷΑ͏ͳϛυϧ΢ΣΞͳͷͰɺ઀ଓ͕੾Ε͍ͯΔؒʹى͖ͨΠϕϯτΛ औΕͳ͍ͨΊ Reconnection

54. ‣ ͔ͨ͠ʹɺ࠶઀ଓͯ͘͠ΕΔɻ ‣ ͔͠͠ɺ΍ͨΒ͕͔͔࣌ؒΔɻ(5ඵͱ͔10ඵͱ͔) ‣ ࠶઀ଓ·ͰผͷHTTP/1.1ͷAPIΛୟ͘ Plasma͕RxͰ͍͏PublishSubjectͷΑ͏ͳϛυϧ΢ΣΞͳͷͰɺ઀ଓ͕੾Ε͍ͯΔؒʹى͖ͨΠϕϯτΛ औΕͳ͍ͨΊ ‣ ઀ଓঢ়ଶͷมߋΛ؂ࢹ͍ͨ͠ͳ͊….

    Reconnection

55. ‣ ͔ͨ͠ʹɺ࠶઀ଓͯ͘͠ΕΔɻ ‣ ͔͠͠ɺ΍ͨΒ͕͔͔࣌ؒΔɻ(5ඵͱ͔10ඵͱ͔) ‣ ࠶઀ଓ·ͰผͷHTTP/1.1ͷAPIΛୟ͘ Plasma͕RxͰ͍͏PublishSubjectͷΑ͏ͳϛυϧ΢ΣΞͳͷͰɺ઀ଓ͕੾Ε͍ͯΔؒʹى͖ͨΠϕϯτΛ औΕͳ͍ͨΊ ‣ ઀ଓঢ়ଶͷมߋΛ؂ࢹ͍ͨ͠ͳ͊….

    Reconnection

56. TLS 1.2

57. OkHttpChannelBuilder .forAddress(address, port) .sslSocketFactory(sslSocketFactory) .connectionSpec( ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS) .tlsVersions(TlsVersion.TLS_1_2) .build() ) .negotiationType(NegotiationType.TLS)

    .build() Build ManagedChannel

58. OkHttpChannelBuilder .forAddress(address, port) .sslSocketFactory(sslSocketFactory) .connectionSpec( ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS) .tlsVersions(TlsVersion.TLS_1_2) .build() ) .negotiationType(NegotiationType.TLS)

    .build() Build ManagedChannel

59. OkHttpChannelBuilder .forAddress(address, port) .sslSocketFactory(sslSocketFactory) .connectionSpec( ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS) .tlsVersions(TlsVersion.TLS_1_2) .build() ) .negotiationType(NegotiationType.TLS)

    .build() Build ManagedChannel Android 4.1-4.4Ͱ TLS 1.2͕ར༻Ͱ͖ͳ͍

60. class TlsSocketFactory(private val delegate: SSLSocketFactory) : SSLSocketFactory() { override fun

    getDefaultCipherSuites(): Array<String> = delegate.defaultCipherSuites override fun createSocket(s: Socket?, host: String?, port: Int, autoClose: Boolean): Socket = delegate.createSocket(s, host, port, autoClose).let(this::patch) override fun createSocket(host: String?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(host: String?, port: Int, localHost: InetAddress?, localPort: Int): Socket = delegate.createSocket(host, port, localHost, localPort).let(this::patch) override fun createSocket(host: InetAddress?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(address: InetAddress?, port: Int, localAddress: InetAddress?, localPort: Int): Socket = delegate.createSocket(address, port, localAddress, localPort).let(this::patch) override fun getSupportedCipherSuites(): Array<String> = delegate.supportedCipherSuites private fun patch(s: Socket): Socket = s.apply { if (this is SSLSocket) enabledProtocols = arrayOf("TLSv1.2") } } Enable TLS 1.2 https://github.com/square/okhttp/issues/2372

61. class TlsSocketFactory(private val delegate: SSLSocketFactory) : SSLSocketFactory() { override fun

    getDefaultCipherSuites(): Array<String> = delegate.defaultCipherSuites override fun createSocket(s: Socket?, host: String?, port: Int, autoClose: Boolean): Socket = delegate.createSocket(s, host, port, autoClose).let(this::patch) override fun createSocket(host: String?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(host: String?, port: Int, localHost: InetAddress?, localPort: Int): Socket = delegate.createSocket(host, port, localHost, localPort).let(this::patch) override fun createSocket(host: InetAddress?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(address: InetAddress?, port: Int, localAddress: InetAddress?, localPort: Int): Socket = delegate.createSocket(address, port, localAddress, localPort).let(this::patch) override fun getSupportedCipherSuites(): Array<String> = delegate.supportedCipherSuites private fun patch(s: Socket): Socket = s.apply { if (this is SSLSocket) enabledProtocols = arrayOf("TLSv1.2") } } Enable TLS 1.2 https://github.com/square/okhttp/issues/2372

62. class TlsSocketFactory(private val delegate: SSLSocketFactory) : SSLSocketFactory() { override fun

    getDefaultCipherSuites(): Array<String> = delegate.defaultCipherSuites override fun createSocket(s: Socket?, host: String?, port: Int, autoClose: Boolean): Socket = delegate.createSocket(s, host, port, autoClose).let(this::patch) override fun createSocket(host: String?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(host: String?, port: Int, localHost: InetAddress?, localPort: Int): Socket = delegate.createSocket(host, port, localHost, localPort).let(this::patch) override fun createSocket(host: InetAddress?, port: Int): Socket = delegate.createSocket(host, port).let(this::patch) override fun createSocket(address: InetAddress?, port: Int, localAddress: InetAddress?, localPort: Int): Socket = delegate.createSocket(address, port, localAddress, localPort).let(this::patch) override fun getSupportedCipherSuites(): Array<String> = delegate.supportedCipherSuites private fun patch(s: Socket): Socket = s.apply { if (this is SSLSocket) enabledProtocols = arrayOf("TLSv1.2") } } Enable TLS 1.2 SSLSocketFactoryΛϥοϓͯ͠TLS 1.2Λ༗ޮʹ͢Δ https://github.com/square/okhttp/issues/2372
63. None

64. FRESH!

65. FRESH!

66. ‣ ଈ࠲ʹαʔόʔ͔Β৘ใ͕ඈΜͰ͖ͯ࠷ߴ ‣ ίωΫγϣϯʹؾΛ഑Δඞཁ͕͋Δ ‣ HTTP/1.1ʹ͸ແ͔ͬͨ֓೦ͳͷͰ׳ΕΔ·Ͱେม ‣ AndroidͰϓϩμΫγϣϯʹಋೖͨ͠࿩͕গͳ͍ ‣ ࢼߦࡨޡͷ࿈ଓ

    Conclusion

67. Thank you