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Diffstat (limited to 'src/node')
-rw-r--r-- | src/node/examples/qps_test.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/node/examples/qps_test.js b/src/node/examples/qps_test.js new file mode 100644 index 0000000000..4435da4803 --- /dev/null +++ b/src/node/examples/qps_test.js @@ -0,0 +1,102 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +'use strict'; + +var async = require('async'); +var parseArgs = require('minimist'); + +var grpc = require('..'); +var testProto = grpc.load(__dirname + '/../interop/test.proto').grpc.testing; +var interop_server = require('../interop/interop_server.js'); + +function runTest(concurrent, seconds, callback) { + var testServer = interop_server.getServer(0, false); + testServer.server.listen(); + var client = new testProto.TestService('localhost:' + testServer.port); + + var warmup_num = 100; + + async.waterfall([ + function warmUp(callback) { + var pending = warmup_num; + function startCall() { + client.emptyCall({}, function(err, resp) { + pending--; + if (pending === 0) { + callback(null); + } + }); + } + for (var i = 0; i < warmup_num; i++) { + startCall(); + } + }, function run(callback) { + var running = 0; + var count = 0; + var start = process.hrtime(); + function responseCallback(err, resp) { + if (process.hrtime(start)[0] < seconds) { + count += 1; + client.emptyCall({}, responseCallback); + } else { + running -= 1; + if (running <= 0) { + callback(null, count); + } + } + } + for (var i = 0; i < concurrent; i++) { + running += 1; + client.emptyCall({}, responseCallback); + } + }], function(err, count) { + testServer.server.shutdown(); + callback(err, count); + }); +} + +if (require.main === module) { + var argv = parseArgs(process.argv.slice(2), { + default: {'concurrent': 100, + 'time': 10} + }); + runTest(argv.concurrent, argv.time, function(err, count) { + if (err) { + throw err; + } + console.log('Concurrent calls:', argv.concurrent); + console.log('Time:', argv.time, 'seconds'); + console.log('QPS:', (count/argv.time)); + }); +} |