mirror of https://github.com/grpc/grpc-node.git
126 lines
3.7 KiB
TypeScript
126 lines
3.7 KiB
TypeScript
/*
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* Copyright 2023 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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import { ChannelCredentials, ChannelOptions, credentials, loadPackageDefinition, ServiceError } from "@grpc/grpc-js";
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import { loadSync } from "@grpc/proto-loader";
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import { ProtoGrpcType } from "./generated/echo";
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import { EchoTestServiceClient } from "./generated/grpc/testing/EchoTestService";
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import { ControlPlaneServer } from "./xds-server";
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const loadedProtos = loadPackageDefinition(loadSync(
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[
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'grpc/testing/echo.proto'
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],
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{
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keepCase: true,
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longs: String,
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enums: String,
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defaults: true,
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oneofs: true,
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json: true,
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includeDirs: [
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// Paths are relative to build/test
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__dirname + '/../../proto/'
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],
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})) as unknown as ProtoGrpcType;
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const BOOTSTRAP_CONFIG_KEY = 'grpc.TEST_ONLY_DO_NOT_USE_IN_PROD.xds_bootstrap_config';
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export class XdsTestClient {
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private client: EchoTestServiceClient;
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private callInterval: NodeJS.Timeout;
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constructor(target: string, bootstrapInfo: string, creds?: ChannelCredentials | undefined, options?: ChannelOptions) {
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this.client = new loadedProtos.grpc.testing.EchoTestService(target, creds ?? credentials.createInsecure(), {...options, [BOOTSTRAP_CONFIG_KEY]: bootstrapInfo});
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this.callInterval = setInterval(() => {}, 0);
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clearInterval(this.callInterval);
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}
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static createFromServer(targetName: string, xdsServer: ControlPlaneServer, creds?: ChannelCredentials | undefined, options?: ChannelOptions) {
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return new XdsTestClient(`xds:///${targetName}`, xdsServer.getBootstrapInfoString(), creds, options);
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}
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startCalls(interval: number) {
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clearInterval(this.callInterval);
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this.callInterval = setInterval(() => {
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this.client.echo({message: 'test'}, (error, value) => {
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if (error) {
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throw error;
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}
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});
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}, interval);
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}
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stopCalls() {
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clearInterval(this.callInterval);
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}
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close() {
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this.stopCalls();
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this.client.close();
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}
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sendOneCall(callback: (error: ServiceError | null) => void) {
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const deadline = new Date();
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deadline.setMilliseconds(deadline.getMilliseconds() + 500);
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this.client.echo({message: 'test'}, {deadline}, (error, value) => {
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callback(error);
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});
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}
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sendOneCallAsync(): Promise<ServiceError | null> {
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return new Promise((resolve, reject) => {
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this.sendOneCall(error => {
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resolve(error)
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});
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});
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}
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sendNCalls(count: number, callback: (error: ServiceError| null) => void) {
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const sendInner = (count: number, callback: (error: ServiceError| null) => void) => {
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if (count === 0) {
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callback(null);
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return;
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}
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this.sendOneCall(error => {
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if (error) {
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callback(error);
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return;
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}
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sendInner(count-1, callback);
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});
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}
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sendInner(count, callback);
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}
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sendNCallsAsync(count: number): Promise<void> {
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return new Promise((resolve, reject) => {
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this.sendNCalls(count, error => {
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if (error) {
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reject(error);
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} else {
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resolve();
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}
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});
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});
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}
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getConnectivityState() {
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return this.client.getChannel().getConnectivityState(false);
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}
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}
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