Added Runner and command line options for stand alone execution

src/Microsoft.AspNet.SignalR.DCrank.Crank/Agent.cs

@@ -173,7 +173,7 @@ public void StopWorker(int workerId)
             }
         }
 
-        public void StopWorkers()
+        public async Task StopWorkers()
         {
             var keys = _workers.Keys.ToList();
 
@@ -182,12 +182,18 @@ public void StopWorkers()
                 AgentWorker worker;
                 if (_workers.TryGetValue(key, out worker))
                 {
-                    worker.Worker.Stop();
-                    Runner.LogAgent("Agent stopped Worker {0}.", key);
+                    await worker.Worker.Stop();
+                    await Runner.LogAgent("Agent stopped Worker {0}.", key);
                 }
             }
             TotalConnectionsRequested = 0;
             ApplyingLoad = false;
+
+            // Wait for workers to terminate
+            while (_workers.Count > 0)
+            {
+                await Task.Delay(1000);
+            }
         }
 
         public async Task Pong(int id, int value)

src/Microsoft.AspNet.SignalR.DCrank.Crank/DCrankArguments.cs

@@ -8,13 +8,25 @@ public class DCrankArguments
         [CommandLineParameter(Command = "?", Name = "Help", Default = false, Description = "Show Help", IsHelp = true)]
         public bool Help { get; set; }
 
-        [CommandLineParameter(Command = "Mode", Required = true, Description = "DCrank operating mode (Agent or Worker).")]
+        [CommandLineParameter(Command = "Mode", Required = false, Default = "commandline",Description = "DCrank operating mode (CommandLine, Agent, or Worker).")]
         public string Mode { get; set; }
 
         [CommandLineParameter(Command = "ControllerUrl", Required = false, Default = "http://localhost:17063", Description = "URL for Test Controller (Agent mode only).")]
         public string ControllerUrl { get; set; }
 
         [CommandLineParameter(Command = "ParentPid", Required = false, Description = "Process ID of calling agent (Worker mode only).")]
         public int ParentPid { get; set; }
+
+        [CommandLineParameter(Command = "TargetUrl", Required = false, Default = "http://localhost:24037/", Description = "The URL for the test target (CommandLine mode only).")]
+        public string TargetUrl { get; set; }
+
+        [CommandLineParameter(Command = "Workers", Required = false, Default = 1, Description = "Number of worker processes to create (CommandLine mode only).")]
+        public int Workers { get; set; }
+
+        [CommandLineParameter(Command="Connections", Required = false, Default = 100000, Description = "The number of connections to establish with the test target (CommandLine mode only).")]
+        public int Connections { get; set; }
+
+        [CommandLineParameter(Command = "SendDuration", Required = false, Default = 300, Description = "(Send phase) Duration in seconds. Default: 300 seconds")]
+        public int SendDuration { get; set; }
     }
 }

src/Microsoft.AspNet.SignalR.DCrank.Crank/Microsoft.AspNet.SignalR.DCrank.Crank.csproj

@@ -61,6 +61,7 @@
     <Compile Include="AgentSender.cs" />
     <Compile Include="HubRunner.cs" />
     <Compile Include="IAgent.cs" />
+    <Compile Include="Runner.cs" />
     <Compile Include="StatusInformation.cs" />
     <Compile Include="WorkerSender.cs" />
     <Compile Include="WorkerReceiver.cs" />

src/Microsoft.AspNet.SignalR.DCrank.Crank/Program.cs

@@ -12,14 +12,14 @@ static void Main(string[] args)
                 var arguments = CommandLine.Parse<DCrankArguments>();
                 switch (arguments.Mode.ToLowerInvariant())
                 {
+                    case "commandline":
+                        StartCommandLine(arguments);
+                        break;
                     case "agent":
-                        var agent = new Agent();
-                        var runner = new HubRunner(agent, arguments.ControllerUrl);
-                        runner.Run().Wait();
+                        StartAgent(arguments);
                         break;
                     case "worker":
-                        var worker = new Worker(arguments.ParentPid);
-                        worker.Run().Wait();
+                        StartWorker(arguments);
                         break;
                     default:
                         throw new ArgumentException(string.Format("Invalid value for Mode \"{0}\"", arguments.Mode));
@@ -35,5 +35,25 @@ static void Main(string[] args)
                 Console.WriteLine(ex.Message);
             }
         }
+
+        private static void StartCommandLine(DCrankArguments arguments)
+        {
+            var agent = new Agent();
+            var runner = new Runner(agent, arguments);
+            runner.Run().Wait();
+        }
+
+        private static void StartAgent(DCrankArguments arguments)
+        {
+            var agent = new Agent();
+            var runner = new HubRunner(agent, arguments.ControllerUrl);
+            runner.Run().Wait();
+        }
+
+        private static void StartWorker(DCrankArguments arguments)
+        {
+            var worker = new Worker(arguments.ParentPid);
+            worker.Run().Wait();
+        }
     }
 }

src/Microsoft.AspNet.SignalR.DCrank.Crank/Runner.cs

@@ -0,0 +1,87 @@
+using System;
+using System.Diagnostics;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+
+namespace Microsoft.AspNet.SignalR.DCrank.Crank
+{
+    public class Runner : IRunner
+    {
+        private readonly Agent _agent;
+        private readonly string _targetUrl;
+        private readonly int _numberOfWorkers;
+        private readonly int _numberOfConnections;
+        private readonly int _sendDurationSeconds;
+
+        public Runner(Agent agent, DCrankArguments arguments)
+        {
+            _agent = agent;
+            _targetUrl = arguments.TargetUrl;
+            _numberOfWorkers = arguments.Workers;
+            _numberOfConnections = arguments.Connections;
+            _sendDurationSeconds = arguments.SendDuration;
+        }
+
+        public async Task Run()
+        {
+            _agent.Runner = this;
+
+            var connectionsPerWorker = _numberOfConnections / _numberOfWorkers;
+            _agent.StartWorkers(_targetUrl, _numberOfWorkers, connectionsPerWorker);
+
+            // Begin writing worker status information
+            var writeStatusCts = new CancellationTokenSource();
+            var writeStatusTask = WriteConnectionStatus(writeStatusCts.Token);
+
+            // Wait until all connections are connected
+            while (_agent.GetWorkerStatus().Aggregate(0, (state, status) => state + status.Value.ConnectedCount) <
+                _agent.TotalConnectionsRequested)
+            {
+                await Task.Delay(1000);
+            }
+
+            // Stay connected for the duration of the send phase
+            await Task.Delay(TimeSpan.FromSeconds(_sendDurationSeconds));
+
+            // Disconnect
+            await _agent.StopWorkers();
+
+            // Stop writing worker status information
+            writeStatusCts.Cancel();
+            await writeStatusTask;
+        }
+
+        private async Task WriteConnectionStatus(CancellationToken cancellationToken)
+        {
+            await Task.Run(async () =>
+            {
+                while (!cancellationToken.IsCancellationRequested)
+                {
+                    var statusDictionary = _agent.GetWorkerStatus();
+                    foreach (var key in statusDictionary.Keys)
+                    {
+                        Trace.WriteLine(string.Format("({0}) {1}", key, JsonConvert.SerializeObject(statusDictionary[key])));
+                    }
+                    await Task.Delay(1000);
+                }
+            });
+        }
+
+        public Task PongWorker(int workerId, int value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public async Task LogAgent(string format, params object[] arguments)
+        {
+            Trace.WriteLine(string.Format(format, arguments));
+        }
+
+        public async Task LogWorker(int workerId, string format, params object[] arguments)
+        {
+            Trace.WriteLine(string.Format("({0}) {1}", workerId, string.Format(format, arguments)));
+        }
+    }
+}

src/Microsoft.AspNet.SignalR.DCrank.Crank/Worker.cs

@@ -160,7 +160,13 @@ await _agent.Status(
                 );
 
                 // Sending once per 5 seconds to avoid overloading the Test Controller
-                await Task.Delay(5000, cancellationToken);
+                try
+                {
+                    await Task.Delay(5000, cancellationToken);
+                }
+                catch (TaskCanceledException)
+                {
+                }
             }
         }
     }