birbmap/Birdmap.BLL/Services/CommunationServices/RabbitMq/RabbitMqClientService.cs

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C#
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2021-01-16 15:23:10 +01:00
using Birdmap.BLL.Interfaces;
using Birdmap.BLL.Options;
using Birdmap.BLL.Services.CommunicationServices.Hubs;
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Logging;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;
using System.Threading.Tasks;
namespace Birdmap.BLL.Services.CommunationServices.RabbitMq
{
internal class RabbitMqClientService : CommunicationServiceBase, IDisposable
{
private readonly IConnection _connection;
private readonly IModel _channel;
public override bool IsConnected => throw new NotImplementedException();
public RabbitMqClientService(RabbitMqClientOptions options, ILogger<RabbitMqClientService> logger, IInputService inputService, IHubContext<DevicesHub, IDevicesHubClient> hubContext)
: base(logger, inputService, hubContext)
{
var factory = new ConnectionFactory()
{
HostName = options.Hostname,
Port = options.Port,
UserName = options.Username,
Password = options.Password,
AutomaticRecoveryEnabled = true,
};
_connection = factory.CreateConnection();
_channel = _connection.CreateModel();
_channel.ExchangeDeclare(exchange: "topic_logs", type: "topic");
var queueName = _channel.QueueDeclare().QueueName;
_channel.QueueBind(queue: queueName,
exchange: "topic_logs",
routingKey: options.Topic);
var consumer = new AsyncEventingBasicConsumer(_channel);
consumer.Received += OnRecieved;
_channel.BasicConsume(queue: queueName,
autoAck: true,
consumer: consumer);
StartMessageTimer();
}
private Task OnRecieved(object sender, BasicDeliverEventArgs eventArgs)
{
var props = eventArgs.BasicProperties;
var body = Encoding.UTF8.GetString(eventArgs.Body.ToArray());
_logger.LogDebug($"Recieved [{props.UserId}] " +
$"ConsumerTag: {eventArgs.ConsumerTag} | DeliveryTag: {eventArgs.DeliveryTag} | Payload: {body} | Priority: {props.Priority}");
return ProcessJsonMessageAsync(body);
}
public void Dispose()
{
StopMessageTimer();
_channel.Close();
_connection.Close();
}
}
}