Birdmap.API/Controllers/ServicesController.cs

@@ -2,7 +2,6 @@
 using Birdmap.API.DTOs;
 using Birdmap.BLL.Interfaces;
 using Birdmap.BLL.Services.CommunicationServices.Hubs;
-using Birdmap.BLL.Services.CommunicationServices.Mqtt;
 using Birdmap.DAL.Entities;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
@@ -25,16 +24,16 @@ namespace Birdmap.API.Controllers
     {
         private readonly IServiceService _service;
         private readonly IMapper _mapper;
-        private readonly IMqttClientService _mqttClientService;
+        private readonly ICommunicationService _communicationService;
         private readonly IHubContext<ServicesHub, IServicesHubClient> _hubContext;
         private readonly ILogger<ServicesController> _logger;
 
-        public ServicesController(IServiceService service, IMapper mapper, MqttClientServiceProvider mqttClientProvider,
+        public ServicesController(IServiceService service, IMapper mapper, ICommunicationServiceProvider communicationServiceProvider,
             IHubContext<ServicesHub, IServicesHubClient> hubContext, ILogger<ServicesController> logger)
         {
             _service = service;
             _mapper = mapper;
-            _mqttClientService = mqttClientProvider.MqttClientService;
+            _communicationService = communicationServiceProvider.Service;
             _hubContext = hubContext;
             _logger = logger;
         }
@@ -86,8 +85,8 @@ namespace Birdmap.API.Controllers
                     Name = "Mqtt Client Service",
                     Uri = "localhost",
                 },
-                Response = $"IsConnected: {_mqttClientService.IsConnected}",
+                Response = $"IsConnected: {_communicationService.IsConnected}",
-                StatusCode = _mqttClientService.IsConnected ? HttpStatusCode.OK : HttpStatusCode.ServiceUnavailable,
+                StatusCode = _communicationService.IsConnected ? HttpStatusCode.OK : HttpStatusCode.ServiceUnavailable,
             });
 
             return serviceInfos.ToList();

Birdmap.API/appsettings.Development.json

@@ -38,6 +38,7 @@
   },
   "UseDummyServices": true,
   "ServicesBaseUrl": "https://birb.k8s.kmlabz.com/",
+  "UseRabbitMq": false,
   "Mqtt": {
     "BrokerHostSettings": {
       "Host": "localhost",

Birdmap.API/appsettings.json

@@ -24,6 +24,7 @@
   },
   "UseDummyServices": false,
   "ServicesBaseUrl": "https://birb.k8s.kmlabz.com/",
+  "UseRabbitMq": false,
   "Mqtt": {
     "BrokerHostSettings": {
       "Host": "",

Birdmap.BLL/Birdmap.BLL.csproj

@@ -9,6 +9,7 @@
     <PackageReference Include="Microsoft.AspNetCore.SignalR.Core" Version="1.1.0" />
     <PackageReference Include="MQTTnet" Version="3.0.13" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="RabbitMQ.Client" Version="6.2.1" />
   </ItemGroup>
 
   <ItemGroup>

Birdmap.BLL/Interfaces/ICommunicationService.cs

@@ -0,0 +1,7 @@
+namespace Birdmap.BLL.Interfaces
+{
+    public interface ICommunicationService
+    {
+        public bool IsConnected { get; }
+    }
+}

Birdmap.BLL/Interfaces/ICommunicationServiceProvider.cs

@@ -0,0 +1,7 @@
+namespace Birdmap.BLL.Interfaces
+{
+    public interface ICommunicationServiceProvider
+    {
+        public ICommunicationService Service { get; }
+    }
+}

Birdmap.BLL/Interfaces/IMqttClientService.cs

@@ -10,6 +10,5 @@ namespace Birdmap.BLL.Interfaces
                                           IMqttClientDisconnectedHandler,
                                           IMqttApplicationMessageReceivedHandler
     {
-        public bool IsConnected { get; }
     }
 }

Birdmap.BLL/Options/MqttClientOptions.cs

@@ -3,16 +3,16 @@ using System;
 
 namespace Birdmap.BLL.Options
 {
-    public class AspCoreMqttClientOptions : MqttClientOptionsBuilder
+    public class MqttClientOptions : MqttClientOptionsBuilder
     {
         public IServiceProvider ServiceProvider { get; }
 
-        public AspCoreMqttClientOptions(IServiceProvider serviceProvider)
+        public MqttClientOptions(IServiceProvider serviceProvider)
         {
             ServiceProvider = serviceProvider;
         }
 
-        public AspCoreMqttClientOptions WithTopic(string topic)
+        public MqttClientOptions WithTopic(string topic)
         {
             WithUserProperty("Topic", topic);
 

Birdmap.BLL/Options/RabbitMqClientOptions.cs

@@ -0,0 +1,4 @@
+namespace Birdmap.BLL.Options
+{
+    public record RabbitMqClientOptions(string Hostname, int Port, string Username, string Password, string Topic);
+}

Birdmap.BLL/Services/CommunationServices/CommunicationServiceBase.cs

@@ -0,0 +1,87 @@
+using Birdmap.BLL.Interfaces;
+using Birdmap.BLL.Services.CommunicationServices.Hubs;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Timer = System.Timers.Timer;
+
+namespace Birdmap.BLL.Services.CommunationServices
+{
+    internal class Payload
+    {
+        [JsonProperty("tag")]
+        public Guid TagID { get; set; }
+
+        [JsonProperty("probability")]
+        public double Probability { get; set; }
+    }
+
+    internal abstract class CommunicationServiceBase : ICommunicationService
+    {
+        protected readonly ILogger _logger;
+        protected readonly IInputService _inputService;
+        protected readonly IHubContext<DevicesHub, IDevicesHubClient> _hubContext;
+        private readonly Timer _hubTimer;
+        private readonly List<Message> _messages = new();
+        private readonly object _messageLock = new();
+
+        public abstract bool IsConnected { get; }
+
+        public CommunicationServiceBase(ILogger logger, IInputService inputService, IHubContext<DevicesHub, IDevicesHubClient> hubContext)
+        {
+            _logger = logger;
+            _inputService = inputService;
+            _hubContext = hubContext;
+            _hubTimer = new Timer()
+            {
+                AutoReset = true,
+                Interval = 1000,
+            };
+            _hubTimer.Elapsed += SendMqttMessagesWithSignalR;
+        }
+
+        protected async Task ProcessJsonMessageAsync(string json)
+        {
+            try
+            {
+                var payload = JsonConvert.DeserializeObject<Payload>(json);
+                var inputResponse = await _inputService.GetInputAsync(payload.TagID);
+
+                lock (_messageLock)
+                {
+                    _messages.Add(new Message(inputResponse.Message.Device_id, inputResponse.Message.Date.UtcDateTime, payload.Probability));
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, $"Could not handle application message.");
+            }
+        }
+
+        protected void StartMessageTimer()
+        {
+            _hubTimer.Start();
+        }
+        protected void StopMessageTimer()
+        {
+            _hubTimer.Stop();
+        }
+
+        private void SendMqttMessagesWithSignalR(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            lock (_messageLock)
+            {
+                if (_messages.Any())
+                {
+                    _logger.LogInformation($"Sending ({_messages.Count}) messages: {string.Join(" | ", _messages)}");
+                    _hubContext.Clients.All.NotifyMessagesAsync(_messages);
+                    _messages.Clear();
+                }
+            }
+        }
+    }
+}

Birdmap.BLL/Services/CommunationServices/CommunicationServiceProvider.cs

@@ -0,0 +1,14 @@
+using Birdmap.BLL.Interfaces;
+
+namespace Birdmap.BLL.Services.CommunicationServices
+{
+    internal class CommunicationServiceProvider : ICommunicationServiceProvider
+    {
+        public ICommunicationService Service { get; }
+
+        public CommunicationServiceProvider(ICommunicationService service)
+        {
+            Service = service;
+        }
+    }
+}

Birdmap.BLL/Services/CommunationServices/Mqtt/MqttClientService.cs

@@ -1,4 +1,5 @@
 using Birdmap.BLL.Interfaces;
+using Birdmap.BLL.Services.CommunationServices;
 using Birdmap.BLL.Services.CommunicationServices.Hubs;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.Extensions.Logging;
@@ -7,59 +8,29 @@ using MQTTnet.Client;
 using MQTTnet.Client.Connecting;
 using MQTTnet.Client.Disconnecting;
 using MQTTnet.Client.Options;
-using Newtonsoft.Json;
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
-using Timer = System.Timers.Timer;
 
 namespace Birdmap.BLL.Services.CommunicationServices.Mqtt
 {
-    public class MqttClientService : IMqttClientService
+    internal class MqttClientService : CommunicationServiceBase, IMqttClientService
     {
         private readonly IMqttClient _mqttClient;
         private readonly IMqttClientOptions _options;
-        private readonly ILogger<MqttClientService> _logger;
-        private readonly IInputService _inputService;
-        private readonly IHubContext<DevicesHub, IDevicesHubClient> _hubContext;
-        private readonly Timer _hubTimer;
-        private readonly List<Message> _messages = new();
-        private readonly object _messageLock = new();
 
-        public bool IsConnected => _mqttClient.IsConnected;
+        public override bool IsConnected => _mqttClient.IsConnected;
 
         public MqttClientService(IMqttClientOptions options, ILogger<MqttClientService> logger, IInputService inputService, IHubContext<DevicesHub, IDevicesHubClient> hubContext)
+            : base(logger, inputService, hubContext)
         {
             _options = options;
-            _logger = logger;
-            _inputService = inputService;
-            _hubContext = hubContext;
-            _hubTimer = new Timer()
-            {
-                AutoReset = true,
-                Interval = 1000,
-            };
-            _hubTimer.Elapsed += SendMqttMessagesWithSignalR;
 
             _mqttClient = new MqttFactory().CreateMqttClient();
             ConfigureMqttClient();
         }
 
-        private void SendMqttMessagesWithSignalR(object sender, System.Timers.ElapsedEventArgs e)
-        {
-            lock (_messageLock)
-            {
-                if (_messages.Any())
-                {
-                    _logger.LogInformation($"Sending ({_messages.Count}) messages: {string.Join(" | ", _messages)}");
-                    _hubContext.Clients.All.NotifyMessagesAsync(_messages);
-                    _messages.Clear();
-                }
-            }
-        }
-
         private void ConfigureMqttClient()
         {
             _mqttClient.ConnectedHandler = this;
@@ -67,36 +38,14 @@ namespace Birdmap.BLL.Services.CommunicationServices.Mqtt
             _mqttClient.ApplicationMessageReceivedHandler = this;
         }
 
-        private class Payload
+        public Task HandleApplicationMessageReceivedAsync(MqttApplicationMessageReceivedEventArgs eventArgs)
-        {
-            [JsonProperty("tag")]
-            public Guid TagID { get; set; }
-
-            [JsonProperty("probability")]
-            public double Probability { get; set; }
-        }
-
-        public async Task HandleApplicationMessageReceivedAsync(MqttApplicationMessageReceivedEventArgs eventArgs)
         {
             var message = eventArgs.ApplicationMessage.ConvertPayloadToString();
 
             _logger.LogDebug($"Recieved [{eventArgs.ClientId}] " +
                 $"Topic: {eventArgs.ApplicationMessage.Topic} | Payload: {message} | QoS: {eventArgs.ApplicationMessage.QualityOfServiceLevel} | Retain: {eventArgs.ApplicationMessage.Retain}");
 
-            try
+            return ProcessJsonMessageAsync(message);
-            {
-                var payload = JsonConvert.DeserializeObject<Payload>(message);
-                var inputResponse = await _inputService.GetInputAsync(payload.TagID);
-
-                lock (_messageLock)
-                {
-                    _messages.Add(new Message(inputResponse.Message.Device_id, inputResponse.Message.Date.UtcDateTime, payload.Probability));
-                }
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, $"Could not handle application message.");
-            }
         }
 
         public async Task HandleConnectedAsync(MqttClientConnectedEventArgs eventArgs)
@@ -107,7 +56,7 @@ namespace Birdmap.BLL.Services.CommunicationServices.Mqtt
                 _logger.LogInformation($"Connected. Auth result: {eventArgs.AuthenticateResult}. Subscribing to topic: {topic}");
 
                 await _mqttClient.SubscribeAsync(topic);
-                _hubTimer.Start();
+                StartMessageTimer();
             }
             catch (Exception ex)
             {
@@ -123,7 +72,7 @@ namespace Birdmap.BLL.Services.CommunicationServices.Mqtt
 
             try
             {
-                _hubTimer.Stop();
+                StopMessageTimer();
                 await _mqttClient.ConnectAsync(_options, CancellationToken.None);
             }
             catch (Exception ex)

Birdmap.BLL/Services/CommunationServices/Mqtt/MqttClientServiceProvider.cs

@@ -1,14 +0,0 @@
-using Birdmap.BLL.Interfaces;
-
-namespace Birdmap.BLL.Services.CommunicationServices.Mqtt
-{
-    public class MqttClientServiceProvider
-    {
-        public IMqttClientService MqttClientService { get; }
-
-        public MqttClientServiceProvider(IMqttClientService mqttClientService)
-        {
-            MqttClientService = mqttClientService;
-        }
-    }
-}

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

@@ -0,0 +1,72 @@
+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();
+        }
+    }
+}

Birdmap.BLL/Startup.cs

@@ -1,6 +1,8 @@
 using Birdmap.BLL.Interfaces;
 using Birdmap.BLL.Options;
 using Birdmap.BLL.Services;
+using Birdmap.BLL.Services.CommunationServices.RabbitMq;
+using Birdmap.BLL.Services.CommunicationServices;
 using Birdmap.BLL.Services.CommunicationServices.Mqtt;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -43,54 +45,81 @@ namespace Birdmap.BLL
 
             services.AddSignalR();
 
-            services.AddMqttClientServiceWithConfig(opt =>
-            {
             var mqtt = configuration.GetSection("Mqtt");
 
-                var mqttClient = mqtt.GetSection("ClientSettings");
+            var client = mqtt.GetSection("ClientSettings");
             var clientSettings = new
             {
-                    Id = mqttClient.GetValue<string>("Id"),
+                Id = client.GetValue<string>("Id"),
-                    Username = mqttClient.GetValue<string>("Username"),
+                Username = client.GetValue<string>("Username"),
-                    Password = mqttClient.GetValue<string>("Password"),
+                Password = client.GetValue<string>("Password"),
-                    Topic = mqttClient.GetValue<string>("Topic"),
+                Topic = client.GetValue<string>("Topic"),
             };
 
-                var mqttBrokerHost = mqtt.GetSection("BrokerHostSettings");
+            var brokerHost = mqtt.GetSection("BrokerHostSettings");
             var brokerHostSettings = new
             {
-                    Host = mqttBrokerHost.GetValue<string>("Host"),
+                Host = brokerHost.GetValue<string>("Host"),
-                    Port = mqttBrokerHost.GetValue<int>("Port"),
+                Port = brokerHost.GetValue<int>("Port"),
             };
 
+            if (configuration.GetValue<bool>("UseRabbitMq"))
+            {
+                services.AddRabbitMqClientServiceWithConfig(new RabbitMqClientOptions(
+                    Hostname: brokerHostSettings.Host,
+                    Port: brokerHostSettings.Port,
+                    Username: clientSettings.Username,
+                    Password: clientSettings.Password,
+                    Topic: clientSettings.Topic));
+            }
+            else
+            {
+                services.AddMqttClientServiceWithConfig(opt =>
+                {
                     opt
                     .WithTopic(clientSettings.Topic)
                     .WithCredentials(clientSettings.Username, clientSettings.Password)
                     .WithClientId(clientSettings.Id)
                     .WithTcpServer(brokerHostSettings.Host, brokerHostSettings.Port);
                 });
+            }
 
             return services;
         }
 
-        private static IServiceCollection AddMqttClientServiceWithConfig(this IServiceCollection services, Action<AspCoreMqttClientOptions> configureOptions)
+        private static IServiceCollection AddMqttClientServiceWithConfig(this IServiceCollection services, Action<MqttClientOptions> configureOptions)
         {
             services.AddSingleton(serviceProvider =>
             {
-                var optionBuilder = new AspCoreMqttClientOptions(serviceProvider);
+                var optionBuilder = new MqttClientOptions(serviceProvider);
                 configureOptions(optionBuilder);
                 return optionBuilder.Build();
             });
-            services.AddSingleton<MqttClientService>();
+
-            services.AddSingleton<IHostedService>(serviceProvider =>
+            services.AddClientServiceWithProvider<MqttClientService>();
+            return services;
+        }
+
+        private static IServiceCollection AddRabbitMqClientServiceWithConfig(this IServiceCollection services, RabbitMqClientOptions options)
         {
-                return serviceProvider.GetService<MqttClientService>();
+            services.AddSingleton(options);
-            });
+
+            services.AddClientServiceWithProvider<RabbitMqClientService>();
+            return services;
+        }
+
+        private static IServiceCollection AddClientServiceWithProvider<T>(this IServiceCollection services) where T : class, ICommunicationService
+        {
+            services.AddSingleton<T>();
             services.AddSingleton(serviceProvider =>
             {
-                var mqttClientService = serviceProvider.GetService<MqttClientService>();
+                return (IHostedService)serviceProvider.GetService<T>();
-                var mqttClientServiceProvider = new MqttClientServiceProvider(mqttClientService);
+            });
-                return mqttClientServiceProvider;
+            services.AddSingleton<ICommunicationServiceProvider>(serviceProvider =>
+            {
+                var clientService = serviceProvider.GetService<T>();
+                var clientServiceProvider = new CommunicationServiceProvider(clientService);
+                return clientServiceProvider;
             });
             return services;
         }

MQTTnet.TestApp.WinForm/Form1.Designer.cs

@@ -267,7 +267,7 @@
             this.trackBar1.LargeChange = 500;
             this.trackBar1.Location = new System.Drawing.Point(180, 162);
             this.trackBar1.Maximum = 5050;
-            this.trackBar1.Minimum = 50;
+            this.trackBar1.Minimum = 1;
             this.trackBar1.Name = "trackBar1";
             this.trackBar1.Size = new System.Drawing.Size(247, 45);
             this.trackBar1.SmallChange = 100;

docker-compose.yml

@@ -38,6 +38,7 @@ services:
             - Birdmap_Defaults__Services__KMLabz-Service=https://birb.k8s.kmlabz.com/devices
             - Birdmap_UseDummyServices=true
             - Birdmap_ServicesBaseUrl=https://birb.k8s.kmlabz.com/
+            - Birdmap_UseRabbitMq=true
             - Birdmap_Mqtt__BrokerHostSettings__Host=localhost
             - Birdmap_Mqtt__BrokerHostSettings__Port=1883
             - Birdmap_Mqtt__ClientSettings__Id=ASP.NET Core client