static async Task WriteResultsToFile(BenchmarkEntry benchmarkEntry, string filename)
{
Console.WriteLine($"Writing Bencmark Results to file {Path.GetFullPath(filename)}");
using (StreamWriter file = File.CreateText(filename))
{
JsonSerializer serializer = new JsonSerializer();
//serialize object directly into file stream
serializer.Serialize(file, benchmarkEntry);
file.Close();
}
}
static void Main(string[] args)
{
CommandLine.Parser.Default.ParseArguments <Options>(args)
.WithParsed <Options>(opts =>
{
string IoTHub = opts.IotHubConnectionString.Split(';')[0].Split('=')[1];
Console.WriteLine("Creating Devices");
CreateDevices(opts.DeviceCount, opts.IotHubConnectionString).Wait();
// Messagesize
if (opts.MessageSize > 262143)
{
Console.WriteLine($"Setting MessageSize to maximum of {MAXMESSAGESIZE}");
MessageSize = MAXMESSAGESIZE;
}
else
{
MessageSize = opts.MessageSize;
}
// Transporttype
switch (opts.TransportType)
{
case "MQTT":
TransportType = Microsoft.Azure.Devices.Client.TransportType.Mqtt;
break;
case "AMQP":
TransportType = Microsoft.Azure.Devices.Client.TransportType.Amqp;
break;
case "HTTP":
TransportType = Microsoft.Azure.Devices.Client.TransportType.Http1;
break;
default:
TransportType = Microsoft.Azure.Devices.Client.TransportType.Mqtt;
break;
}
Console.WriteLine($"Starting Devices: DeviceCount: {opts.DeviceCount} MaxMessages:{opts.MaxMessages} MessageSize:{MessageSize} TransportType:{TransportType}");
DateTime startTime = DateTime.Now;
BenchmarkEntry benchmarkEntry = new BenchmarkEntry()
{
StartTime = startTime,
DeviceCount = opts.DeviceCount,
MaxMessages = opts.MaxMessages,
MessageSize = MessageSize,
DeviceBenchmarks = new List <DeviceBenchmarkEntry>(),
TransportType = opts.TransportType
};
Task[] tasks = new Task[opts.DeviceCount];
for (int deviceNumber = 1; deviceNumber <= opts.DeviceCount; deviceNumber++)
{
tasks[deviceNumber - 1] = StartClient(IoTHub, IoTDevicePrefix, deviceNumber, CommonKey, opts.MaxMessages, MessageSize, TransportType).ContinueWith(task =>
{
benchmarkEntry.DeviceBenchmarks.Add(task.Result);
});
}
Task.WaitAll(tasks);
DateTime endTime = DateTime.Now;
double messagesPerSecond = opts.DeviceCount * opts.MaxMessages / (endTime - startTime).TotalSeconds;
benchmarkEntry.EndTime = endTime;
benchmarkEntry.MessagePerSecond = messagesPerSecond;
WriteResultsToFile(benchmarkEntry, opts.BenchmarkFileNamePath).Wait();
Console.WriteLine("All Messages are sent");
Console.WriteLine($"Total Clients: {opts.DeviceCount}");
Console.WriteLine($"Message Size: {opts.MessageSize}");
Console.WriteLine($"Total Messages Sent: {opts.DeviceCount * opts.MaxMessages}");
Console.WriteLine($"Total Execution Time: {(endTime - startTime).TotalSeconds} seconds");
Console.WriteLine($"Messages Per Second: {messagesPerSecond}");
Thread.Sleep(7000); // Wait before starting to delete devices
DeleteDevices(opts.DeviceCount, opts.IotHubConnectionString).Wait();
});
}