gRPC for Android

introduction to gRPC for Android

Transcript

1. H31$
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   "OESPJE !XBTBCFFG@KQ
2. "CPVU
   .F @wasabeef_jp CyberAgent, Inc.
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4. )551
5. )551 • Binary • Multiplexed • Server Push • Header compression
6. -BOHVBHFT
   
7. -BOHVBHFT • C/C++ • C# • Java • Go • Objective-c • Node.js • PHP • Python • Ruby
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9. 1SPUPDPM
   #VFST • IDL • Binary • Support code generation (protoc)
10. VTFSKTPO { id: 1, name: “wasabeef”, createdAt: “20150808” }
11. VTFSQSPUP syntax = "proto3"; package user; message Profile { string id = 1; string name = 2; int64 createdAt = 3; }
12. QSPUPCVG
13. *OTUBMM # git clone git@github.com:google/protobuf.git # cd protobuf # git checkout v3.0.0-alpha-3.1 # ./autogen.sh # ./configure # make # make check # sudo make install
14. *OTUBMM # protoc --version libprotoc 3.0.0
15. 3FUSPU
16. $POWFSUFS
17. $POWFSUFST • GSON • Jackson • Moshi • Protobuf • Simplexml • Wire
18. 1SPUP$POWFSUFS Retrofit retrofit = new Retrofit.Builder() .baseUrl("https://api.example.com") .converter(new ProtoConverter()) .build();
19. 0UIFST • Wire (Square) • FlatBuffers (Google) • Message Pack (Sadayuki Furuhashi)
20. 6TF
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21. FDIPQSPUP syntax = "proto3"; option java_package = “jp.wasabeef.proto.echo”; option go_package = "echo"; package echo; message EchoRequest { string message = 1; } message EchoReply { string message = 1; } service Echo { rpc Echo (EchoRequest) returns (EchoReply) {} }
22. $PEF
    HFOFSBUJPO • protobuf-gradle-plugin • (protoc) • (protoc-gen-grpc-java)
23. HSQDKBWB
24. %FQFOEFODJFT compile 'io.grpc:grpc-all:x.y.z'
25. TBNQMF AsyncSubject<String> subject = AsyncSubject.create(); new Thread(() -> { Channel channel = OkHttpChannelBuilder.forAddress(“grpc.wasabeef.jp”, 8443)
 .setConnectionSpec(ConnectionSpec.MODERN_TLS)
 .sslSocketFactory((SSLSocketFactory)SSLSocketFactory.getDefault())
 .build();
 
 EchoGrpc.EchoBlockingStub stub = EchoGrpc.newBlockingStub(channel); 
 Echo.EchoRequest req = new Echo.EchoRequest();
 req.setMessage(“YES YES YES!"); 
 Echo.EchoReply reply = stub.echo(req);
 subject.onNext(reply.getMessage());
 subject.onCompleted();
 }).start();
 
 subject.observeOn(AndroidSchedulers.mainThread()).subscribe(msg -> {
 Log.d(“ECHO LOG” ,msg);
 });
26. HSQDDPNNPO
27. %PDVNFOUT https://github.com/grpc/grpc-common
28. UIBOLT