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-rw-r--r--src/node/stress/stress_client.js111
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diff --git a/src/node/stress/stress_client.js b/src/node/stress/stress_client.js
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--- a/src/node/stress/stress_client.js
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-/*
- *
- * Copyright 2016 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.
- *
- */
-
-'use strict';
-
-var _ = require('lodash');
-
-var grpc = require('../../..');
-
-var interop_client = require('../interop/interop_client');
-var MetricsServer = require('./metrics_server');
-
-var running;
-
-var metrics_server;
-
-var start_time;
-var query_count;
-
-function makeCall(client, test_cases) {
- if (!running) {
- return;
- }
- var test_case = test_cases[_.random(test_cases.length - 1)];
- interop_client.test_cases[test_case].run(client, function() {
- query_count += 1;
- makeCall(client, test_cases);
- });
-}
-
-function makeCalls(client, test_cases, parallel_calls_per_channel) {
- _.times(parallel_calls_per_channel, function() {
- makeCall(client, test_cases);
- });
-}
-
-function getQps() {
- var diff = process.hrtime(start_time);
- var seconds = diff[0] + diff[1] / 1e9;
- return {long_value: query_count / seconds};
-}
-
-function start(server_addresses, test_cases, channels_per_server,
- parallel_calls_per_channel, metrics_port) {
- running = true;
- /* Assuming that we are not calling unimplemented_method. The client class
- * used by empty_unary is (currently) the client class used by every interop
- * test except unimplemented_method */
- var Client = interop_client.test_cases.empty_unary.Client;
- /* Make channels_per_server clients connecting to each server address */
- var channels = _.flatten(_.times(
- channels_per_server, _.partial(_.map, server_addresses, function(address) {
- return new Client(address, grpc.credentials.createInsecure());
- })));
- metrics_server = new MetricsServer(metrics_port);
- metrics_server.registerGauge('qps', getQps);
- start_time = process.hrtime();
- query_count = 0;
- _.each(channels, _.partial(makeCalls, _, test_cases,
- parallel_calls_per_channel));
- metrics_server.start();
-}
-
-function stop() {
- running = false;
- metrics_server.shutdown();
- console.log('QPS: ' + getQps().long_value);
-}
-
-function main() {
- var parseArgs = require('minimist');
- var argv = parseArgs(process.argv, {
- string: ['server_addresses', 'test_cases', 'metrics_port'],
- default: {'server_addresses': 'localhost:8080',
- 'test_duration_secs': -1,
- 'num_channels_per_server': 1,
- 'num_stubs_per_channel': 1,
- 'metrics_port': '8081'}
- });
- var server_addresses = argv.server_addresses.split(',');
- /* Generate an array of test cases, where the number of instances of each name
- * corresponds to the number given in the argument.
- * e.g. 'empty_unary:1,large_unary:2' =>
- * ['empty_unary', 'large_unary', 'large_unary'] */
- var test_cases = _.flatten(_.map(argv.test_cases.split(','), function(value) {
- var split = value.split(':');
- return _.times(split[1], _.constant(split[0]));
- }));
- start(server_addresses, test_cases, argv.num_channels_per_server,
- argv.num_stubs_per_channel, argv.metrics_port);
- if (argv.test_duration_secs > -1) {
- setTimeout(stop, argv.test_duration_secs * 1000);
- }
-}
-
-main();