64 lines
2.3 KiB
C#
64 lines
2.3 KiB
C#
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using RabbitMQ.Client;
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using RabbitMQ.Client.Events;
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using OutputServiceTSDB.Utilities;
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using Microsoft.Extensions.Logging;
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using System.Threading.Tasks;
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using OutputServiceTSDB.InfluxDB;
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using OutputServiceTSDB.Models;
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using Newtonsoft.Json;
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using System;
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namespace OutputServiceTSDB.RabbitMQ
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{
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public class RabbitMQWorker : IDisposable
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{
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private readonly ILogger _logger;
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private IConnection _connection;
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private IModel _channel;
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private InfluxWriter influxWriter;
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public RabbitMQWorker(ILogger<RabbitMQWorker> logger)
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{
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_logger = logger;
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influxWriter = new InfluxWriter();
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InitRabbitMQ();
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}
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private void InitRabbitMQ()
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{
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var factory = new ConnectionFactory { HostName = EnvironmentVariableConfiguration.RabbitMQHostname, UserName = EnvironmentVariableConfiguration.RabbitMQUserName, Password = EnvironmentVariableConfiguration.RabbitMQPassword };
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_connection = factory.CreateConnection();
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_channel = _connection.CreateModel();
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_channel.ExchangeDeclare(EnvironmentVariableConfiguration.RabbitMQExchange, ExchangeType.Topic);
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_channel.QueueDeclare(EnvironmentVariableConfiguration.RabbitMQQueue, false, false, false, null);
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_channel.QueueBind(EnvironmentVariableConfiguration.RabbitMQQueue, EnvironmentVariableConfiguration.RabbitMQExchange, null, null);
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_channel.BasicQos(0, 1, false);
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}
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public void ProcessMessages()
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{
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var consumer = new AsyncEventingBasicConsumer(_channel);
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consumer.Received += HandleMessage;
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_channel.BasicConsume("demo.queue.log", false, consumer);
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}
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private async Task HandleMessage(object sender, BasicDeliverEventArgs @event)
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{
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var content = System.Text.Encoding.UTF8.GetString(@event.Body);
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_logger.LogInformation($"received {content}");
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MeasurementObject measurementObject = JsonConvert.DeserializeObject<MeasurementObject>(content);
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await Task.Run(() => influxWriter.Write(measurementObject));
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}
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public void Dispose()
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{
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_channel.Close();
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_connection.Close();
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influxWriter.Dispose();
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}
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}
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}
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