private void InitializeDeviceClients()
{
_logger.LogInformation("Initializing device clients...");
var tenantConfiguration = new List <TenantConfiguration>();
_configuration.Bind("SimulatedDevices:Tenants", tenantConfiguration);
foreach (var tenant in tenantConfiguration)
{
var deviceClients = new List <DeviceInfo>();
for (int i = 0; i < tenant.NumberOfDevices; i++)
{
deviceClients.Add(new DeviceInfo
{
DeviceId = TenantConfiguration.BuildDeviceName(tenant, i),
DeviceClient = DeviceClient.CreateFromConnectionString(
_configuration["IotHubConnectionString"],
TenantConfiguration.BuildDeviceName(tenant, i))
});
}
_tenantDeviceClients.Add(tenant, deviceClients);
}
_logger.LogInformation($"Registered {_tenantDeviceClients.Sum(t => t.Value.Count)} device clients");
}
private async Task StartSendingMessagesForDeviceAsync(TenantConfiguration tenantConfiguration,
DeviceInfo deviceInfo, CancellationToken cancellationToken)
{
var random = new Random();
while (!cancellationToken.IsCancellationRequested)
{
var objectId = _objectIdsPool
.Tenants.First(t => t.Id == tenantConfiguration.Id)
.Devices.First(d => d.DeviceId == deviceInfo.DeviceId)
.ObjectId;
var message = _messageFactory.CreateMessage(tenantConfiguration, deviceInfo.DeviceId, objectId, random);
try
{
await deviceInfo.DeviceClient.SendEventAsync(message, cancellationToken).ConfigureAwait(false);
_logger.LogInformation($"Message for Tenant \"{tenantConfiguration.Id}\" DeviceId \"{deviceInfo.DeviceId}\" ObjectId \"{objectId}\" sent.");
}
catch (Exception ex)
{
_logger.LogError(ex, $"Device: {deviceInfo.DeviceId}; Error sending device message: {ex.Message}");
}
await Task.Delay(tenantConfiguration.SendingInterval, cancellationToken).ConfigureAwait(false);
}
}
public async Task RegisterDevicesAsync()
{
_logger.LogInformation("Preparing device registrations...");
Task[] tasks = new Task[_tenantConfigurations.Sum(t => t.NumberOfDevices)];
int i = 0;
foreach (var tenant in _tenantConfigurations)
{
for (int j = 0; j < tenant.NumberOfDevices; j++)
{
tasks[i++] = RegisterDeviceAsync(TenantConfiguration.BuildDeviceName(tenant, j));
}
}
await Task.WhenAll(tasks).ConfigureAwait(false);
_logger.LogInformation($"Registered {tasks.Length} devices");
}