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dais-sasa | Yappli, inc.
gRPC+ProtocolBuffers
#yappliculture
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About us
#yappliculture
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dais-sasa
• #%!" '
• Android
•
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• MotionLayout
#yappliculture
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dais-sasa
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No content
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#yappliculture
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1.
2. gRPCProtocolBuffers
3. Android!"
4.
5.
6.
#yappliculture
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#yappliculture
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gRPC+ProtocolBuffers
#yappliculture
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•4*)>?$7
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#yappliculture
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API"#)*
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#yappliculture
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%!$
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gRPC
ProtocolBuffers
#yappliculture
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gRPC
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•Google" RPC
•Protocol Buffers
!
#yappliculture
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ProtocolBuffers
#yappliculture
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•Google*2
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gRPC+ProtocolBuffers
#yappliculture
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.proto
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.proto
(Go))
Android
(Java)
iOS
(swiftObjective-C)
gRPC
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Android
#yappliculture
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#yappliculture
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build.gradle()
buildscript {
repositories {
jcenter()
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.2.1'
classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.0'
}
}
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build.gradle(app)
apply plugin: 'com.google.protobuf'
dependencies {
~ ~
def grpc_version = "1.17.1"
api "io.grpc:grpc-okhttp:$grpc_version"
api "io.grpc:grpc-protobuf-lite:$grpc_version"
api "io.grpc:grpc-stub:$grpc_version"
api 'javax.annotation:javax.annotation-api:1.3.2'
}
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
block
block.proto
skip
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
path = '/usr/local/bin/protoc’
skip
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
#+&'
gRPC !
$"&'*,
Java (
plugin
)%
skip
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
grpc block
(grpc-java)
skip
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
grpc-javaAndroid
javalite blockAndroid
skip
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protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.1.0"
}
plugins {
javalite {
artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0"
}
grpc {
artifact = "io.grpc:protoc-gen-grpc-java:1.17.1"
}
}
generateProtoTasks {
all().each { task ->
task.plugins {
javalite {}
grpc {
option 'lite'
}
}
}
}
}
all(): protoc
.plugins:
option:
skip
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build.gradle
•https://qiita.com/kobaken0029/items/8e2945
f6b4ed6a2fa5ae
•https://github.com/google/protobuf-gradle-
plugin
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#yappliculture
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1. app/src/main/proto.proto
2.
3. app/build/generated/source/proto
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syntax = "proto3";
message CreateRequest {
enum Sex {
INVALID = 0; //
MALE = 1; //
FEMALE = 2; //
}
int32 age = 1; //
string name = 2; //
Sex sex = 3; //
}
message CreateResponse {
User user = 1; // User
}
/* */
service UserService {
//
rpc Create(CreateRequest) returns (CreateResponse);
/* */
}
user.proto
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public final class UserOuterClass {
public static final class CreateRequest … {
public enum Sex … {
INVALID, MALE, FEMALE
}
private int age_;
public int getAge()
private String name_;
public String getName()
private Sex sex_;
public Sex getSex()
public Builder newBuilder()
public Builder toBuilder()
public static final class Builder … {
public Builder setAge(int value)
public Builder setName(String value)
public Builder setSex(Sex value)
}
}
}
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public final class UserServiceGrpc {
public static UserServiceBlockingStub newBlockingStub(Channel channel)
public static UserServiceFutureStub newFutureStub(Channel channel)
public static final class UserServiceBlockingStub … {
public CreateResponse create(CreateRequest request)
}
public static final class UserServiceFutureStub … {
public CreateResponse create(CreateRequest request)
}
}
#yappliculture
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#yappliculture
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•$%#)
1. Channel!(
2. Channel" Stub!(
3. Request!(
4. Stub,Request'+
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.
-
#
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// Channel
val channel = ManagedChannelBuilder.forAddress("10.0.2.2", 443)
.build()
// UserServiceStub
val stub = UserServiceGrpc.newBlockingStub(channel)
// Request
val createRequest = CreateRequest.newBuilder()
.setAge(33)
.setName("dais-sasa")
.setSex(Sex.MALE)
.build()
//
val createResult = stub.create(createRequest)
#yappliculture
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// Channel)0
val channel = ManagedChannelBuilder.forAddress("10.0.2.2", 443)
.build()
// UserService
Stub)0
val stub = UserServiceGrpc.newBlockingStub(channel);
// Request)0
val createRequest = CreateRequest.newBuilder()
.setAge(33)
.setName(”dais-sasa")
.setSex(Sex.MALE)
.build();
// +&
val createResult = stub.create(createRequest)
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// Channel $
val channel = ManagedChannelBuilder.forAddress("10.0.2.2", 443)
.build()
// UserServiceStub $
val stub = UserServiceGrpc.newBlockingStub(channel)
// Request $
val createRequest = CreateRequest.newBuilder()
.setAge(33)
.setName(”dais-sasa")
.setSex(Sex.MALE)
.build();
// "
val createResult = stub.create(createRequest);
ServiceGrpc
!
.protoservice block
%$
newStub(channel: Cnannel)
Stub $()%$)
BlockingStub'
FutureStub('
skip
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// Channel
val channel = ManagedChannelBuilder.forAddress("10.0.2.2", 443)
.build()
// UserServiceStub
val stub = UserServiceGrpc.newBlockingStub(channel);
// Request
val createRequest = CreateRequest.newBuilder()
.setAge(33)
.setName(”dais-sasa")
.setSex(Sex.MALE)
.build()
//
val createResult = stub.create(createRequest)
Entity.proto
message block
skip
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#yappliculture
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#yappliculture
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•
•
•
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skip
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•ChannelStub&$!
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•ChannelStub
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skip
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skip
#yappliculture
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•#$!"
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skip
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#yappliculture
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#yappliculture
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#yappliculture
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API
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#yappliculture
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API $'View&
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API'"%(",1View0
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API)$'*$.4 View3
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API)$'*$.4 View3
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/>
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#yappliculture
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Y
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Y0%'35.*
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Y8#+.;>61!
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#yappliculture
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•.proto
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•Android 8.0"TLS
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#yappliculture
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.proto
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%1,
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gRPC.proto$)2<86
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#yappliculture
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API
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#yappliculture
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!*(
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+
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#yappliculture
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User
#yappliculture
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Entity
user.prof.address.prefectures = ""
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syntax = “proto3”;
message User {
Prof prof = 1; //
}
message Prof {
Address address = 1; //
}
message Address {
string prefectures = 1; //
}
#yappliculture
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gRPC
Entity
// Builder
val userBuilder = user.toBuilder()
val profBuilder = user.prof.toBuilder()
val addressBuilder = user.prof.address.toBuilder()
//
addressBuilder.prefectures = ""
profBuilder.address = addressBuilder.build()
userBuilder.prof = profBuilder.build()
// API
userBuilder.build()
#yappliculture
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•gRPC" Entitysetter
•Entity
!Builder
Builder #$
#yappliculture
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•%2/
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#yappliculture
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Android 8.0
TLS
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)&
usePlaintext()
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↓
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Android 8.0!
#yappliculture
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•Android 8.0.5&+"*$
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#yappliculture
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ALPN
• !
• No ALPN negotiated$ ALPN
ALPN "#
$ openssl s_client -alpn h2 -connect :
#yappliculture
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#yappliculture
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•/#
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%
#yappliculture
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Fin.