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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
|
||
| // Usage: node -r @elastic/opentelemetry-node use-grpc.js | ||
| // | ||
| // This starts a simple gRPC server, makes a requests to it, then stops the | ||
| // server. This is to test `@grpc/grpc-js` instrumentation. | ||
| // Adapted from https://github.com/grpc/grpc-node/blob/master/examples/helloworld/dynamic_codegen | ||
|
|
||
| const path = require('path'); | ||
| const grpc = require('@grpc/grpc-js'); | ||
| const protoLoader = require('@grpc/proto-loader'); | ||
|
|
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| const PROTO_PATH = path.join(__dirname, '/use-grpc.proto'); | ||
| const packageDefinition = protoLoader.loadSync(PROTO_PATH, { | ||
| keepCase: true, | ||
| longs: String, | ||
| enums: String, | ||
| defaults: true, | ||
| oneofs: true, | ||
| }); | ||
| const proto = grpc.loadPackageDefinition(packageDefinition).helloworld; | ||
|
|
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| function sayHello(call, callback) { | ||
| callback(null, {message: 'Hello ' + call.request.name}); | ||
| } | ||
|
|
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| function main() { | ||
| const server = new grpc.Server(); | ||
| server.addService(proto.Greeter.service, {sayHello}); | ||
|
|
||
| server.bindAsync( | ||
| '127.0.0.1:0', | ||
| grpc.ServerCredentials.createInsecure(), | ||
| (err, port) => { | ||
| if (err) { | ||
| throw err; | ||
| } | ||
| const client = new proto.Greeter( | ||
| `127.0.0.1:${port}`, | ||
| grpc.credentials.createInsecure() | ||
| ); | ||
| client.sayHello({name: 'Bob'}, (err, res) => { | ||
| if (err) { | ||
| throw err; | ||
| } | ||
| console.log('client response:', res); | ||
| server.forceShutdown(); | ||
| }); | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| main(); |
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| // Copyright 2015 gRPC authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| // Copied from https://github.com/grpc/grpc-node/blob/master/examples/protos/helloworld.proto | ||
|
|
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| syntax = "proto3"; | ||
|
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| option java_multiple_files = true; | ||
| option java_package = "io.grpc.examples.helloworld"; | ||
| option java_outer_classname = "HelloWorldProto"; | ||
| option objc_class_prefix = "HLW"; | ||
|
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| package helloworld; | ||
|
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| // The greeting service definition. | ||
| service Greeter { | ||
| // Sends a greeting | ||
| rpc SayHello (HelloRequest) returns (HelloReply) {} | ||
|
|
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| rpc SayHelloStreamReply (HelloRequest) returns (stream HelloReply) {} | ||
| } | ||
|
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| // The request message containing the user's name. | ||
| message HelloRequest { | ||
| string name = 1; | ||
| } | ||
|
|
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| // The response message containing the greetings | ||
| message HelloReply { | ||
| string message = 1; | ||
| } |
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