static async Task Main()
{
Microsoft.Extensions.Logging.ILogger logger = InitLogger().CreateLogger("loadgen");
Log.Information($"Starting load run with the following settings:\r\n{Settings.Current.ToString()}");
try
{
var retryPolicy = new RetryPolicy(TimeoutErrorDetectionStrategy, TransientRetryStrategy);
retryPolicy.Retrying += (_, args) =>
{
Log.Error($"Creating ModuleClient failed with exception {args.LastException}");
if (args.CurrentRetryCount < RetryCount)
{
Log.Information("Retrying...");
}
};
ModuleClient client = await retryPolicy.ExecuteAsync(() => InitModuleClient(Settings.Current.TransportType));
using (var timers = new Timers())
{
var random = new Random();
SHA256 sha = SHA256Managed.Create();
var bufferPool = new BufferPool();
// setup the message timer
timers.Add(
Settings.Current.MessageFrequency,
Settings.Current.JitterFactor,
() => GenMessage(client, random, sha, bufferPool));
// setup the twin update timer
timers.Add(
Settings.Current.TwinUpdateFrequency,
Settings.Current.JitterFactor,
() => GenTwinUpdate(client));
timers.Start();
(
CancellationTokenSource cts,
ManualResetEventSlim completed,
Option <object> handler
) = ShutdownHandler.Init(TimeSpan.FromSeconds(5), logger);
Log.Information("Load gen running.");
await cts.Token.WhenCanceled();
Log.Information("Stopping timers.");
timers.Stop();
Log.Information("Closing connection to Edge Hub.");
await client.CloseAsync();
completed.Set();
handler.ForEach(h => GC.KeepAlive(h));
Log.Information("Load run complete. Exiting.");
}
}
catch (Exception ex)
{
Log.Error($"Error occurred during load run. \r\n{ex.ToString()}");
}
}