private static PointMeasure BuildPoint(Message message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
PointMeasure point = new PointMeasure()
{
MeasurementName = "sensors",
Timestamp = message.Time,
Tags = new Dictionary <string, object>
{
{ "deviceId", message.DeviceId },
{ "sensor", message.Sensor }
},
Fields = new Dictionary <string, object>
{
{ "value", message.Value.ToString() },
{ "valueType", message.ValueType }
}
};
return(point);
}
public static Point ToPoint(this PointMeasure data)
{
return(new Point()
{
Name = data.MeasurementName,
Timestamp = data.Timestamp,
Fields = data.Fields,
Tags = data.Tags
});
}
public async Task WriteAsync(PointMeasure data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
var point = data.ToPoint();
await this.influxDbClient.Client.WriteAsync(point, this.dbName);
}
static void Main(string[] args)
{
Configuration = Utils.Configure();
RegisterServices(Configuration);
var factory = new ConnectionFactory()
{
HostName = rabbitMQConfig.HostName,
UserName = rabbitMQConfig.UserName,
Password = rabbitMQConfig.Password
};
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(rabbitMQConfig.QueueName, true, false, false, null);
channel.BasicQos(0, UnackedMessagesPerConsumer, false);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async(model, ea) =>
{
var body = ea.Body;
var message = Utils.Deserialize <Message>(body);
Console.WriteLine(" [x] Received {0}", message);
// build a point and save to Influx
PointMeasure point = BuildPoint(message);
await influxDb.WriteAsync(point);
using (var dbContext = new ApplicationDbContext(dbOptions.Options))
{
var alertService = new AlertService(dbContext, serviceProvider.GetService <IAlertNotifier>());
// check alerts
await alertService.CheckAlerts(message);
}
channel.BasicAck(ea.DeliveryTag, false);
};
channel.BasicConsume(rabbitMQConfig.QueueName, false, consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
}
DisposeServices();
}
