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tcurl benchmark mode: sending a request many times #71
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| #!/usr/bin/env node | ||
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| // Copyright (c) 2015 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
| 'use strict'; | ||
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| module.exports = BenchmarkLogger; | ||
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| function BenchmarkLogger() { | ||
| var self = this; | ||
| self.errors = []; | ||
| self.responses = []; | ||
| } | ||
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| BenchmarkLogger.prototype.log = function log(message) { | ||
| var self = this; | ||
| if (self.logger) { | ||
| self.logger.log(message); | ||
| } | ||
| }; | ||
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| BenchmarkLogger.prototype.error = function error(err) { | ||
| var self = this; | ||
| if (self.logger) { | ||
| self.logger.error(err); | ||
| } | ||
| }; | ||
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| BenchmarkLogger.prototype.response = function response(res, opts) { | ||
| var self = this; | ||
| if (self.logger) { | ||
| self.logger.response(res, opts); | ||
| } | ||
| }; | ||
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| BenchmarkLogger.prototype.handleReponse = function handleReponse(err, res) { | ||
| var self = this; | ||
| if (err) { | ||
| self.errors.push(err); | ||
| } | ||
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| if (res) { | ||
| self.responses.push(res); | ||
| } | ||
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| if (self.count === self.errors.length + self.responses.length) { | ||
| self.collect(self.errors, self.responses); | ||
| self.errors = []; | ||
| self.responses = []; | ||
| } | ||
| }; | ||
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| BenchmarkLogger.prototype.exit = function exit() { | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| // Copyright (c) 2015 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
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| 'use strict'; | ||
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| var process = require('process'); | ||
| var setTimeout = require('timers').setTimeout; | ||
| var BenchmarkLogger = require('./benchmark-logger'); | ||
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| function Benchmark(options) { | ||
| if (!(this instanceof Benchmark)) { | ||
| return new Benchmark(options); | ||
| } | ||
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| var self = this; | ||
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| self.tcurl = options.tcurl; | ||
| self.logger = options.logger; | ||
| self.delegate = new BenchmarkLogger(); | ||
| if (self.logger.always) { | ||
| self.delegate.logger = self.logger; | ||
| } | ||
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| self.cmdOptions = options.cmdOptions; | ||
| self.requests = options.cmdOptions.requests || 0; | ||
| self.requestsLimit = self.requests !== 0; | ||
| self.time = options.cmdOptions.time; | ||
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| if (self.time === undefined) { | ||
| self.time = 0; | ||
| if (self.requests === 0) { | ||
| self.time = 30 * 1000; | ||
| } | ||
| } | ||
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| self.timeLimit = self.time !== 0; | ||
| self.delay = options.cmdOptions.delay || 100; | ||
| self.rate = options.cmdOptions.rate; | ||
| if (typeof self.rate !== 'number' || self.rate <= 0) { | ||
| self.logger.error('tcurl requires --rate to be a positive integer'); | ||
| self.logger.exit(); | ||
| } | ||
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| self.loop = 0; | ||
| } | ||
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| Benchmark.prototype.run = function run(callback) { | ||
| var self = this; | ||
| self.tcurl.prepare(self.cmdOptions, self.delegate, function send() { | ||
| self.stopTime = Date.now() + self.time; | ||
| self.sendLoop(onComplete); | ||
| }); | ||
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| function onComplete() { | ||
| process.nextTick(callback); | ||
| } | ||
| }; | ||
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| Benchmark.prototype.sendLoop = function sendLoop(callback) { | ||
| var self = this; | ||
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| if (self.timeLimit && self.stopTime <= Date.now()) { | ||
| return callback(); | ||
| } | ||
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| self.send(callback); | ||
| }; | ||
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| Benchmark.prototype.logResults = function logResults(errors, responses) { | ||
| var self = this; | ||
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| var collection = {}; | ||
| var i; | ||
| var type; | ||
| var count; | ||
| collection.succeeded = responses.length; | ||
| for (i = 0; i < errors.length; i++) { | ||
| type = errors[i].type || 'error.unkown'; | ||
| count = collection[type] || 0; | ||
| count++; | ||
| collection[type] = count; | ||
| } | ||
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| self.logger.log('Loop ' + self.loop + ': '); | ||
| self.logger.log(' succeeded: ' + (collection.succeeded || '0')); | ||
| var keys = Object.keys(collection); | ||
| for (i = 0; i < keys.length; i++) { | ||
| if (keys[i] === 'succeeded') { | ||
| continue; | ||
| } | ||
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| self.logger.log(' ' + keys[i] + ': ' + collection[keys[i]]); | ||
| } | ||
| }; | ||
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| Benchmark.prototype.collect = function collect(errors, responses, callback) { | ||
| var self = this; | ||
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| self.loop++; | ||
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| self.logResults(errors, responses); | ||
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| // schedule next round | ||
| self.requests -= self.rate; | ||
| if (self.requestsLimit && self.rate > self.requests) { | ||
| self.rate = self.requests; | ||
| } | ||
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| if (!self.requestsLimit || self.requests > 0) { | ||
| setTimeout(self.sendLoop.bind(self, callback), self.delay || 1); | ||
| } else { | ||
| callback(); | ||
| } | ||
| }; | ||
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| Benchmark.prototype.send = function send(callback) { | ||
| var self = this; | ||
| self.delegate.count = self.rate; | ||
| self.delegate.collect = function collect(errors, responses) { | ||
| self.collect(errors, responses, callback); | ||
| }; | ||
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| for (var i = 0; i < self.rate; i++) { | ||
| var req = self.tcurl.createRequest(self.cmdOptions); | ||
| self.tcurl.send(self.cmdOptions, req, self.delegate); | ||
| } | ||
| }; | ||
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| module.exports = Benchmark; | ||
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It does not make sense to have both a logger and a benchmark logger. I suggest consolidating these into one delegate and instantiate the benchmark delegate instead of the logging delegate.