mirror of https://github.com/grpc/grpc-node.git
97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
/*
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*
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* Copyright 2016 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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/**
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* Benchmark server module
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* @module
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*/
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'use strict';
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var fs = require('fs');
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var path = require('path');
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var http = require('http');
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var https = require('https');
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var EventEmitter = require('events');
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var util = require('util');
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var express = require('express');
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var bodyParser = require('body-parser');
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function unaryCall(req, res) {
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var reqObj = req.body;
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var payload = {body: '0'.repeat(reqObj.response_size)};
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res.json(payload);
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}
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function BenchmarkServer(host, port, tls, generic, response_size) {
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var app = express();
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app.use(bodyParser.json());
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app.put('/serviceProto.BenchmarkService.service/unaryCall', unaryCall);
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this.input_host = host;
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this.input_port = port;
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if (tls) {
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var credentials = {};
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var key_path = path.join(__dirname, '../data/server1.key');
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var pem_path = path.join(__dirname, '../data/server1.pem');
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var key_data = fs.readFileSync(key_path);
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var pem_data = fs.readFileSync(pem_path);
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credentials['key'] = key_data;
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credentials['cert'] = pem_data;
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this.server = https.createServer(credentials, app);
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} else {
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this.server = http.createServer(app);
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}
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}
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util.inherits(BenchmarkServer, EventEmitter);
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BenchmarkServer.prototype.start = function() {
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var self = this;
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this.server.listen(this.input_port, this.input_hostname, function() {
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self.last_wall_time = process.hrtime();
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self.last_usage = process.cpuUsage();
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self.emit('started');
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});
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};
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BenchmarkServer.prototype.getPort = function() {
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return this.server.address().port;
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};
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BenchmarkServer.prototype.mark = function(reset) {
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var wall_time_diff = process.hrtime(this.last_wall_time);
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var usage_diff = process.cpuUsage(this.last_usage);
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if (reset) {
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this.last_wall_time = process.hrtime();
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this.last_usage = process.cpuUsage();
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}
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return {
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time_elapsed: wall_time_diff[0] + wall_time_diff[1] / 1e9,
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time_user: usage_diff.user / 1000000,
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time_system: usage_diff.system / 1000000
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};
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};
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BenchmarkServer.prototype.stop = function(callback) {
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this.server.close(callback);
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};
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module.exports = BenchmarkServer;
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