Create benchmark client and server for Node Express

package.json

@@ -25,7 +25,9 @@
     "coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha src/node/test",
     "install": "./node_modules/.bin/node-pre-gyp install --fallback-to-build"
   },
-  "bundledDependencies": ["node-pre-gyp"],
+  "bundledDependencies": [
+    "node-pre-gyp"
+  ],
   "dependencies": {
     "arguejs": "^0.2.3",
     "lodash": "^3.9.3",
@@ -34,6 +36,7 @@
   },
   "devDependencies": {
     "async": "^1.5.0",
+    "express": "^4.14.0",
     "google-auth-library": "^0.9.2",
     "google-protobuf": "^3.0.0",
     "istanbul": "^0.3.21",
@@ -50,11 +53,10 @@
   },
   "binary": {
     "module_name": "grpc_node",
-    "module_path": "./build/Release/",
+    "module_path": "src/node/extension_binary",
     "host": "https://storage.googleapis.com/",
     "remote_path": "grpc-precompiled-binaries/node/{name}/v{version}",
-    "package_name": "{node_abi}-{platform}-{arch}.tar.gz",
-    "module_path": "src/node/extension_binary"
+    "package_name": "{node_abi}-{platform}-{arch}.tar.gz"
   },
   "files": [
     "LICENSE",
@@ -75,7 +77,7 @@
   ],
   "main": "src/node/index.js",
   "license": "BSD-3-Clause",
-  "jshintConfig" : {
+  "jshintConfig": {
     "bitwise": true,
     "curly": true,
     "eqeqeq": true,

src/node/performance/benchmark_client_express.js

@@ -0,0 +1,289 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+/**
+ * Benchmark client module
+ * @module
+ */
+
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+var util = require('util');
+var EventEmitter = require('events');
+var http = require('http');
+var https = require('https');
+
+var async = require('async');
+var _ = require('lodash');
+var PoissonProcess = require('poisson-process');
+var Histogram = require('./histogram');
+
+/**
+ * Convert a time difference, as returned by process.hrtime, to a number of
+ * nanoseconds.
+ * @param {Array.<number>} time_diff The time diff, represented as
+ *     [seconds, nanoseconds]
+ * @return {number} The total number of nanoseconds
+ */
+function timeDiffToNanos(time_diff) {
+  return time_diff[0] * 1e9 + time_diff[1];
+}
+
+function BenchmarkClient(server_targets, channels, histogram_params,
+    security_params) {
+  var options = {
+    method: 'PUT',
+    headers: {
+      'Content-Type': 'application/json'
+    }
+  };
+  var protocol;
+  if (security_params) {
+    var ca_path;
+    protocol = https;
+    this.request = _.bind(https.request, https);
+    if (security_params.use_test_ca) {
+      ca_path = path.join(__dirname, '../test/data/ca.pem');
+      var ca_data = fs.readFileSync(ca_path);
+      options.ca = ca_data;
+    }
+    if (security_params.server_host_override) {
+      var host_override = security_params.server_host_override;
+      options.servername = host_override;
+    }
+  } else {
+    protocol = http;
+  }
+
+  this.request = _.bind(protocol.request, protocol);
+
+  this.client_options = [];
+
+  for (var i = 0; i < channels; i++) {
+    var new_options = _.assign({host: server_targets[i]}, options);
+    new_options.agent = new protocol.Agent(new_options);
+    this.client_options[i] = new_options;
+  }
+
+  this.histogram = new Histogram(histogram_params.resolution,
+                                 histogram_params.max_possible);
+
+  this.running = false;
+
+  this.pending_calls = 0;
+}
+
+util.inherits(BenchmarkClient, EventEmitter);
+
+function startAllClients(client_options_list, outstanding_rpcs_per_channel,
+                         makeCall, emitter) {
+  _.each(client_options_list, function(client_options) {
+    _.times(outstanding_rpcs_per_channel, function() {
+      makeCall(client_options);
+    });
+  });
+}
+
+BenchmarkClient.prototype.startClosedLoop = function(
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, generic) {
+  var self = this;
+
+  var options = {};
+
+  self.running = true;
+
+  if (rpc_type == 'UNARY') {
+    options.path = '/serviceProto.BenchmarkService.service/unaryCall';
+  } else {
+    self.emit('error', new Error('Unsupported rpc_type: ' + rpc_type));
+  }
+
+  if (generic) {
+    self.emit('error', new Error('Generic client not supported'));
+  }
+
+  self.last_wall_time = process.hrtime();
+
+  var argument = {
+    response_size: resp_size,
+    payload: {
+      body: '0'.repeat(req_size)
+    }
+  };
+
+  function makeCall(client_options) {
+    if (self.running) {
+      self.pending_calls++;
+      var start_time = process.hrtime();
+      var req = self.request(client_options, function(res) {
+        var res_data = '';
+        res.on('data', function(data) {
+          res_data += data;
+        });
+        res.on('end', function() {
+          JSON.parse(res_data);
+          var time_diff = process.hrtime(start_time);
+          self.histogram.add(timeDiffToNanos(time_diff));
+          makeCall(client_options);
+          self.pending_calls--;
+          if ((!self.running) && self.pending_calls == 0) {
+            self.emit('finished');
+          }
+        });
+      });
+      req.write(JSON.stringify(argument));
+      req.end();
+      req.on('error', function(error) {
+        self.emit('error', new Error('Client error: ' + error.message));
+        self.running = false;
+      });
+    }
+  }
+
+  startAllClients(_.assign(options, self.client_options),
+                  outstanding_rpcs_per_channel, makeCall, self);
+};
+
+BenchmarkClient.prototype.startPoisson = function(
+    outstanding_rpcs_per_channel, rpc_type, req_size, resp_size, offered_load,
+    generic) {
+  var self = this;
+
+  var options = {};
+
+  self.running = true;
+
+  if (rpc_type == 'UNARY') {
+    options.path = '/serviceProto.BenchmarkService.service/unaryCall';
+  } else {
+    self.emit('error', new Error('Unsupported rpc_type: ' + rpc_type));
+  }
+
+  if (generic) {
+    self.emit('error', new Error('Generic client not supported'));
+  }
+
+  self.last_wall_time = process.hrtime();
+
+  var argument = {
+    response_size: resp_size,
+    payload: {
+      body: '0'.repeat(req_size)
+    }
+  };
+
+  function makeCall(client_options, poisson) {
+    if (self.running) {
+      self.pending_calls++;
+      var start_time = process.hrtime();
+      var req = self.request(client_options, function(res) {
+        var res_data = '';
+        res.on('data', function(data) {
+          res_data += data;
+        });
+        res.on('end', function() {
+          JSON.parse(res_data);
+          var time_diff = process.hrtime(start_time);
+          self.histogram.add(timeDiffToNanos(time_diff));
+          self.pending_calls--;
+          if ((!self.running) && self.pending_calls == 0) {
+            self.emit('finished');
+          }
+        });
+      });
+      req.write(JSON.stringify(argument));
+      req.end();
+      req.on('error', function(error) {
+        self.emit('error', new Error('Client error: ' + error.message));
+        self.running = false;
+      });
+    } else {
+      poisson.stop();
+    }
+  }
+
+  var averageIntervalMs = (1 / offered_load) * 1000;
+
+  startAllClients(_.assign(options, self.client_options),
+                  outstanding_rpcs_per_channel, function(opts){
+                    var p = PoissonProcess.create(averageIntervalMs, function() {
+                      makeCall(opts, p);
+                    });
+                    p.start();
+                  }, self);
+};
+
+/**
+ * Return curent statistics for the client. If reset is set, restart
+ * statistic collection.
+ * @param {boolean} reset Indicates that statistics should be reset
+ * @return {object} Client statistics
+ */
+BenchmarkClient.prototype.mark = function(reset) {
+  var wall_time_diff = process.hrtime(this.last_wall_time);
+  var histogram = this.histogram;
+  if (reset) {
+    this.last_wall_time = process.hrtime();
+    this.histogram = new Histogram(histogram.resolution,
+                                   histogram.max_possible);
+  }
+
+  return {
+    latencies: {
+      bucket: histogram.getContents(),
+      min_seen: histogram.minimum(),
+      max_seen: histogram.maximum(),
+      sum: histogram.getSum(),
+      sum_of_squares: histogram.sumOfSquares(),
+      count: histogram.getCount()
+    },
+    time_elapsed: wall_time_diff[0] + wall_time_diff[1] / 1e9,
+    // Not sure how to measure these values
+    time_user: 0,
+    time_system: 0
+  };
+};
+
+/**
+ * Stop the clients.
+ * @param {function} callback Called when the clients have finished shutting
+ *     down
+ */
+BenchmarkClient.prototype.stop = function(callback) {
+  this.running = false;
+  this.on('finished', callback);
+};
+
+module.exports = BenchmarkClient;

src/node/performance/benchmark_server.js

@@ -40,6 +40,8 @@
 
 var fs = require('fs');
 var path = require('path');
+var EventEmitter = require('events');
+var util = require('util');
 
 var genericService = require('./generic_service');
 
@@ -138,12 +140,15 @@ function BenchmarkServer(host, port, tls, generic, response_size) {
   this.server = server;
 }
 
+util.inherits(BenchmarkServer, EventEmitter);
+
 /**
  * Start the benchmark server.
  */
 BenchmarkServer.prototype.start = function() {
   this.server.start();
   this.last_wall_time = process.hrtime();
+  this.emit('started');
 };
 
 /**

src/node/performance/benchmark_server_express.js

@@ -0,0 +1,107 @@
+/*
+ *
+ * Copyright 2016, 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.
+ *
+ */
+
+/**
+ * Benchmark server module
+ * @module
+ */
+
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+var http = require('http');
+var https = require('https');
+var EventEmitter = require('events');
+var util = require('util');
+
+var express = require('express');
+
+function unaryCall(req, res) {
+  var reqObj = JSON.parse(req.body);
+  var payload = {body: '0'.repeat(reqObj.response_size)};
+  res.send(JSON.dumps(payload));
+}
+
+function BenchmarkServer(host, port, tls, generic, response_size) {
+  var app = express();
+  app.put('/serviceProto.BenchmarkService.service/unaryCall', unaryCall);
+  this.input_host = host;
+  this.input_port = port;
+  if (tls) {
+    var credentials = {};
+    var key_path = path.join(__dirname, '../test/data/server1.key');
+    var pem_path = path.join(__dirname, '../test/data/server1.pem');
+
+    var key_data = fs.readFileSync(key_path);
+    var pem_data = fs.readFileSync(pem_path);
+    credentials['key'] = key_data;
+    credentials['cert'] = pem_data;
+    this.server = https.createServer(credentials, app);
+  } else {
+    this.server = http.createServer(app);
+  }
+}
+
+util.inherits(BenchmarkServer, EventEmitter);
+
+BenchmarkServer.prototype.start = function() {
+  var self = this;
+  this.server.listen(this.input_port, this.input_hostname, function() {
+    this.last_wall_time = process.hrtime();
+    self.emit('started');
+  });
+};
+
+BenchmarkServer.prototype.getPort = function() {
+  return this.server.address().port;
+};
+
+BenchmarkServer.prototype.mark = function(reset) {
+  var wall_time_diff = process.hrtime(this.last_wall_time);
+  if (reset) {
+    this.last_wall_time = process.hrtime();
+  }
+  return {
+    time_elapsed: wall_time_diff[0] + wall_time_diff[1] / 1e9,
+    // Not sure how to measure these values
+    time_user: 0,
+    time_system: 0
+  };
+};
+
+BenchmarkServer.prototype.stop = function(callback) {
+  this.server.close(callback);
+};
+
+module.exports = BenchmarkServer;

src/node/performance/worker.js

@@ -34,18 +34,18 @@
 'use strict';
 
 var console = require('console');
-var worker_service_impl = require('./worker_service_impl');
+var WorkerServiceImpl = require('./worker_service_impl');
 
 var grpc = require('../../../');
 var serviceProto = grpc.load({
   root: __dirname + '/../../..',
   file: 'src/proto/grpc/testing/services.proto'}).grpc.testing;
 
-function runServer(port) {
+function runServer(port, benchmark_impl) {
   var server_creds = grpc.ServerCredentials.createInsecure();
   var server = new grpc.Server();
   server.addProtoService(serviceProto.WorkerService.service,
-                         worker_service_impl);
+                         new WorkerServiceImpl(benchmark_impl, server));
   var address = '0.0.0.0:' + port;
   server.bind(address, server_creds);
   server.start();
@@ -57,9 +57,9 @@ if (require.main === module) {
   Error.stackTraceLimit = Infinity;
   var parseArgs = require('minimist');
   var argv = parseArgs(process.argv, {
-    string: ['driver_port']
+    string: ['driver_port', 'benchmark_impl']
   });
-  runServer(argv.driver_port);
+  runServer(argv.driver_port, argv.benchmark_impl);
 }
 
 exports.runServer = runServer;

src/node/performance/worker_service_impl.js

@@ -38,121 +38,141 @@ var console = require('console');
 var BenchmarkClient = require('./benchmark_client');
 var BenchmarkServer = require('./benchmark_server');
 
-exports.quitWorker = function quitWorker(call, callback) {
-  callback(null, {});
-  process.exit(0);
-}
+module.exports = function WorkerServiceImpl(benchmark_impl, server) {
+  var BenchmarkClient;
+  var BenchmarkServer;
+  switch (benchmark_impl) {
+    case 'grpc':
+    BenchmarkClient = require('./benchmark_client');
+    BenchmarkServer = require('./benchmark_server');
+    break;
+    case 'express':
+    BenchmarkClient = require('./benchmark_client_express');
+    BenchmarkServer = require('./benchmark_server_express');
+    break;
+    default:
+    throw new Error('Unrecognized benchmark impl: ' + benchmark_impl);
+  }
 
-exports.runClient = function runClient(call) {
-  var client;
-  call.on('data', function(request) {
-    var stats;
-    switch (request.argtype) {
-      case 'setup':
-      var setup = request.setup;
-      console.log('ClientConfig %j', setup);
-      client = new BenchmarkClient(setup.server_targets,
-                                   setup.client_channels,
-                                   setup.histogram_params,
-                                   setup.security_params);
-      client.on('error', function(error) {
-        call.emit('error', error);
-      });
-      var req_size, resp_size, generic;
-      switch (setup.payload_config.payload) {
-        case 'bytebuf_params':
-        req_size = setup.payload_config.bytebuf_params.req_size;
-        resp_size = setup.payload_config.bytebuf_params.resp_size;
-        generic = true;
+  this.quitWorker = function quitWorker(call, callback) {
+    server.tryShutdown(function() {
+      callback(null, {});
+    });
+  };
+
+  this.runClient = function runClient(call) {
+    var client;
+    call.on('data', function(request) {
+      var stats;
+      switch (request.argtype) {
+        case 'setup':
+        var setup = request.setup;
+        console.log('ClientConfig %j', setup);
+        client = new BenchmarkClient(setup.server_targets,
+                                     setup.client_channels,
+                                     setup.histogram_params,
+                                     setup.security_params);
+        client.on('error', function(error) {
+          call.emit('error', error);
+        });
+        var req_size, resp_size, generic;
+        switch (setup.payload_config.payload) {
+          case 'bytebuf_params':
+          req_size = setup.payload_config.bytebuf_params.req_size;
+          resp_size = setup.payload_config.bytebuf_params.resp_size;
+          generic = true;
+          break;
+          case 'simple_params':
+          req_size = setup.payload_config.simple_params.req_size;
+          resp_size = setup.payload_config.simple_params.resp_size;
+          generic = false;
+          break;
+          default:
+          call.emit('error', new Error('Unsupported PayloadConfig type' +
+              setup.payload_config.payload));
+        }
+        switch (setup.load_params.load) {
+          case 'closed_loop':
+          client.startClosedLoop(setup.outstanding_rpcs_per_channel,
+                                 setup.rpc_type, req_size, resp_size, generic);
+          break;
+          case 'poisson':
+          client.startPoisson(setup.outstanding_rpcs_per_channel,
+                              setup.rpc_type, req_size, resp_size,
+                              setup.load_params.poisson.offered_load, generic);
+          break;
+          default:
+          call.emit('error', new Error('Unsupported LoadParams type' +
+              setup.load_params.load));
+        }
+        stats = client.mark();
+        call.write({
+          stats: stats
+        });
         break;
-        case 'simple_params':
-        req_size = setup.payload_config.simple_params.req_size;
-        resp_size = setup.payload_config.simple_params.resp_size;
-        generic = false;
+        case 'mark':
+        if (client) {
+          stats = client.mark(request.mark.reset);
+          call.write({
+            stats: stats
+          });
+        } else {
+          call.emit('error', new Error('Got Mark before ClientConfig'));
+        }
         break;
         default:
-        call.emit('error', new Error('Unsupported PayloadConfig type' +
-            setup.payload_config.payload));
+        throw new Error('Nonexistent client argtype option: ' + request.argtype);
       }
-      switch (setup.load_params.load) {
-        case 'closed_loop':
-        client.startClosedLoop(setup.outstanding_rpcs_per_channel,
-                               setup.rpc_type, req_size, resp_size, generic);
+    });
+    call.on('end', function() {
+      client.stop(function() {
+        call.end();
+      });
+    });
+  };
+
+  this.runServer = function runServer(call) {
+    var server;
+    call.on('data', function(request) {
+      var stats;
+      switch (request.argtype) {
+        case 'setup':
+        console.log('ServerConfig %j', request.setup);
+        server = new BenchmarkServer('[::]', request.setup.port,
+                                     request.setup.security_params);
+        server.start();
+        server.on('started', function() {
+          stats = server.mark();
+          call.write({
+            stats: stats,
+            port: server.getPort()
+          });
+        });
         break;
-        case 'poisson':
-        client.startPoisson(setup.outstanding_rpcs_per_channel,
-                            setup.rpc_type, req_size, resp_size,
-                            setup.load_params.poisson.offered_load, generic);
+        case 'mark':
+        if (server) {
+          stats = server.mark(request.mark.reset);
+          call.write({
+            stats: stats,
+            port: server.getPort(),
+            cores: 1
+          });
+        } else {
+          call.emit('error', new Error('Got Mark before ServerConfig'));
+        }
         break;
         default:
-        call.emit('error', new Error('Unsupported LoadParams type' +
-            setup.load_params.load));
+        throw new Error('Nonexistent server argtype option');
       }
-      stats = client.mark();
-      call.write({
-        stats: stats
-      });
-      break;
-      case 'mark':
-      if (client) {
-        stats = client.mark(request.mark.reset);
-        call.write({
-          stats: stats
-        });
-      } else {
-        call.emit('error', new Error('Got Mark before ClientConfig'));
-      }
-      break;
-      default:
-      throw new Error('Nonexistent client argtype option: ' + request.argtype);
-    }
-  });
-  call.on('end', function() {
-    client.stop(function() {
-      call.end();
     });
-  });
-};
-
-exports.runServer = function runServer(call) {
-  var server;
-  call.on('data', function(request) {
-    var stats;
-    switch (request.argtype) {
-      case 'setup':
-      console.log('ServerConfig %j', request.setup);
-      server = new BenchmarkServer('[::]', request.setup.port,
-                                   request.setup.security_params);
-      server.start();
-      stats = server.mark();
-      call.write({
-        stats: stats,
-        port: server.getPort()
+    call.on('end', function() {
+      server.stop(function() {
+        call.end();
       });
-      break;
-      case 'mark':
-      if (server) {
-        stats = server.mark(request.mark.reset);
-        call.write({
-          stats: stats,
-          port: server.getPort(),
-          cores: 1
-        });
-      } else {
-        call.emit('error', new Error('Got Mark before ServerConfig'));
-      }
-      break;
-      default:
-      throw new Error('Nonexistent server argtype option');
-    }
-  });
-  call.on('end', function() {
-    server.stop(function() {
-      call.end();
     });
-  });
-};
+  };
 
-exports.coreCount = function coreCount(call, callback) {
-  callback(null, {cores: os.cpus().length});
+  this.coreCount = function coreCount(call, callback) {
+    callback(null, {cores: os.cpus().length});
+  };
 };

tools/run_tests/performance/scenario_config.py

@@ -338,7 +338,8 @@ class NodeLanguage:
     self.safename = str(self)
 
   def worker_cmdline(self):
-    return ['tools/run_tests/performance/run_worker_node.sh']
+    return ['tools/run_tests/performance/run_worker_node.sh',
+            '--benchmark_impl=grpc']
 
   def worker_port_offset(self):
     return 200
@@ -636,11 +637,69 @@ class GoLanguage:
   def __str__(self):
     return 'go'
 
+class NodeExpressLanguage:
+
+  def __init__(self):
+    pass
+    self.safename = str(self)
+
+  def worker_cmdline(self):
+    return ['tools/run_tests/performance/run_worker_node.sh',
+            '--benchmark_impl=express']
+
+  def worker_port_offset(self):
+    return 700
+
+  def scenarios(self):
+    # TODO(jtattermusch): make this scenario work
+    #yield _ping_pong_scenario(
+    #    'node_generic_async_streaming_ping_pong', rpc_type='STREAMING',
+    #    client_type='ASYNC_CLIENT', server_type='ASYNC_GENERIC_SERVER',
+    #    use_generic_payload=True)
+
+    # TODO(jtattermusch): make this scenario work
+    #yield _ping_pong_scenario(
+    #    'node_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
+    #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER')
+
+    yield _ping_pong_scenario(
+        'node_protobuf_unary_ping_pong', rpc_type='UNARY',
+        client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+        categories=[SCALABLE, SMOKETEST])
+
+    yield _ping_pong_scenario(
+        'node_protobuf_async_unary_qps_unconstrained', rpc_type='UNARY',
+        client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+        unconstrained_client='async',
+        categories=[SCALABLE, SMOKETEST])
+
+    # TODO(jtattermusch): make this scenario work
+    #yield _ping_pong_scenario(
+    #    'node_protobuf_async_streaming_qps_unconstrained', rpc_type='STREAMING',
+    #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+    #    unconstrained_client='async')
+
+    # TODO(jtattermusch): make this scenario work
+    #yield _ping_pong_scenario(
+    #    'node_to_cpp_protobuf_async_unary_ping_pong', rpc_type='UNARY',
+    #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+    #    server_language='c++', server_core_limit=1, async_server_threads=1)
+
+    # TODO(jtattermusch): make this scenario work
+    #yield _ping_pong_scenario(
+    #    'node_to_cpp_protobuf_async_streaming_ping_pong', rpc_type='STREAMING',
+    #    client_type='ASYNC_CLIENT', server_type='ASYNC_SERVER',
+    #    server_language='c++', server_core_limit=1, async_server_threads=1)
+
+  def __str__(self):
+    return 'node_express'
+
 
 LANGUAGES = {
     'c++' : CXXLanguage(),
     'csharp' : CSharpLanguage(),
     'node' : NodeLanguage(),
+    'node_express': NodeExpressLanguage(),
     'ruby' : RubyLanguage(),
     'java' : JavaLanguage(),
     'python' : PythonLanguage(),

tools/run_tests/run_tests.py

@@ -825,6 +825,53 @@ class Sanity(object):
   def __str__(self):
     return 'sanity'
 
+class NodeExpressLanguage(object):
+  """Dummy Node express test target to enable running express performance
+  benchmarks"""
+
+  def __init__(self):
+    self.platform = platform_string()
+
+  def configure(self, config, args):
+    self.config = config
+    self.args = args
+    _check_compiler(self.args.compiler, ['default', 'node0.12',
+                                         'node4', 'node5', 'node6'])
+    if self.args.compiler == 'default':
+      self.node_version = '4'
+    else:
+      # Take off the word "node"
+      self.node_version = self.args.compiler[4:]
+
+  def test_specs(self):
+    return []
+
+  def pre_build_steps(self):
+    if self.platform == 'windows':
+      return [['tools\\run_tests\\pre_build_node.bat']]
+    else:
+      return [['tools/run_tests/pre_build_node.sh', self.node_version]]
+
+  def make_targets(self):
+    return []
+
+  def make_options(self):
+    return []
+
+  def build_steps(self):
+    return []
+
+  def post_tests_steps(self):
+    return []
+
+  def makefile_name(self):
+    return 'Makefile'
+
+  def dockerfile_dir(self):
+    return 'tools/dockerfile/test/node_jessie_%s' % _docker_arch_suffix(self.args.arch)
+
+  def __str__(self):
+    return 'node_express'
 
 # different configurations we can run under
 with open('tools/run_tests/configs.json') as f:
@@ -835,6 +882,7 @@ _LANGUAGES = {
     'c++': CLanguage('cxx', 'c++'),
     'c': CLanguage('c', 'c'),
     'node': NodeLanguage(),
+    'node_express': NodeExpressLanguage(),
     'php': PhpLanguage(),
     'php7': Php7Language(),
     'python': PythonLanguage(),