add support for mqtt port and tls. This solves #11

UserInterface/ViewModels/BrokerSettingsViewModel.cs

@@ -2,6 +2,7 @@
 using ReactiveUI;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Text;
 
 namespace UserInterface.ViewModels
@@ -13,17 +14,28 @@ namespace UserInterface.ViewModels
         private string password;
         private string message;
         private bool isConnected;
+        private int? port;
+        private bool useTLS;
 
         public bool IsConnected { get => isConnected; set => this.RaiseAndSetIfChanged(ref isConnected, value); }
         public string Message { get => message; set => this.RaiseAndSetIfChanged(ref message, value); }
+        [Required(AllowEmptyStrings = false)]
         public string Host { get => host; set => this.RaiseAndSetIfChanged(ref host, value); }
         public string Username { get => username; set => this.RaiseAndSetIfChanged(ref username, value); }
         public string Password { get => password; set => this.RaiseAndSetIfChanged(ref password, value); }
+        [Required]
+        [Range(1, 65535)]
+        public int? Port { get => port; set => this.RaiseAndSetIfChanged(ref port, value); }
+        public bool UseTLS { get => useTLS; set => this.RaiseAndSetIfChanged(ref useTLS, value); }
+
+
         public void Update(MqttSettings settings)
         {
             this.Host = settings.Host;
             this.Username = settings.Username;
             this.Password = settings.Password;
+            this.Port = settings.Port;
+            this.UseTLS = settings.UseTLS;
         }
 
         public void UpdateStatus(MqqtClientStatus status)

UserInterface/ViewModels/ViewModelBase.cs

@@ -1,11 +1,18 @@
 using ReactiveUI;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Text;
 
 namespace UserInterface.ViewModels
 {
     public class ViewModelBase : ReactiveObject
     {
+        public bool IsValid<T>(T obj, out ICollection<ValidationResult> results)
+        {
+            results = new List<ValidationResult>();
+
+            return Validator.TryValidateObject(obj, new ValidationContext(obj), results, true);
+        }
     }
 }

UserInterface/Views/BrokerSettings.axaml

@@ -10,6 +10,17 @@
     <TextBlock IsVisible="{Binding !IsConnected}" Foreground="Red" Text="{Binding Message}"></TextBlock >
     <ContentControl Margin="0 20 0 10">IP or hostname</ContentControl>
     <TextBox Text="{Binding Host}" HorizontalAlignment="Left" Width="100" Watermark="192.168.1.200"/>
+    <StackPanel Orientation="Horizontal">
+      <StackPanel Orientation="Vertical">
+        <ContentControl Margin="0 20 0 10">Port</ContentControl>
+        <TextBox Text="{Binding Port}"  HorizontalAlignment="Left" Width="50" Watermark="1883"/>
+      </StackPanel>
+
+      <StackPanel Orientation="Vertical" Margin="30 0 0 0">
+        <ContentControl Margin="0 20 0 10">Use TLS</ContentControl>
+        <CheckBox IsChecked="{Binding UseTLS}" HorizontalAlignment="Left" Margin="0 3 0 0"/>
+      </StackPanel>
+    </StackPanel>
     <ContentControl  Margin="0 20 0 10">Username</ContentControl>
     <TextBox Text="{Binding Username}" MinWidth="150"/>
     <ContentControl  Margin="0 20 0 10">Password</ContentControl>

UserInterface/Views/BrokerSettings.axaml.cs

@@ -10,6 +10,8 @@ using System.Reactive.Linq;
 using UserInterface.ViewModels;
 using System.Security;
 using hass_workstation_service.Communication.InterProcesCommunication.Models;
+using System.ComponentModel.DataAnnotations;
+using System.Collections.Generic;
 
 namespace UserInterface.Views
 {
@@ -45,7 +47,11 @@ namespace UserInterface.Views
         public void Configure(object sender, RoutedEventArgs args)
         {
             var model = (BrokerSettingsViewModel)this.DataContext;
-            var result = this.client.InvokeAsync(x => x.WriteMqttBrokerSettingsAsync(new MqttSettings() { Host = model.Host, Username = model.Username, Password = model.Password ?? "" }));
+            ICollection<ValidationResult> results;
+            if (model.IsValid(model, out results))
+            {
+                var result = this.client.InvokeAsync(x => x.WriteMqttBrokerSettingsAsync(new MqttSettings() { Host = model.Host, Username = model.Username, Password = model.Password ?? "", Port = model.Port, UseTLS = model.UseTLS }));
+            }
         }
 
         public async void GetSettings()

hass-workstation-service/Communication/InterProcesCommunication/ServiceContractModels.cs

@@ -10,6 +10,8 @@ namespace hass_workstation_service.Communication.InterProcesCommunication.Models
         public string Host { get; set; }
         public string Username { get; set; }
         public string Password { get; set; }
+        public int? Port { get; set; }
+        public bool UseTLS { get; set; }
     }
 
     public class MqqtClientStatus

hass-workstation-service/Communication/MQTT/MqttPublisher.cs

@@ -10,6 +10,7 @@ using MQTTnet;
 using MQTTnet.Adapter;
 using MQTTnet.Client;
 using MQTTnet.Client.Options;
+using MQTTnet.Exceptions;
 using Serilog;
 
 namespace hass_workstation_service.Communication
@@ -135,7 +136,11 @@ namespace hass_workstation_service.Communication
                 this._mqttClientMessage = ex.ResultCode.ToString();
                 Log.Logger.Error("Could not connect to broker: " + ex.ResultCode.ToString());
             }
-            
+            catch (MqttCommunicationException ex)
+            {
+                this._mqttClientMessage = ex.ToString();
+                Log.Logger.Error("Could not connect to broker: " + ex.Message);
+            }
         }
 
         public MqqtClientStatus GetStatus()

hass-workstation-service/Data/ConfigurationService.cs

@@ -34,12 +34,12 @@ namespace hass_workstation_service.Data
         {
             if (!File.Exists(Path.Combine(path, "mqttbroker.json")))
             {
-                File.Create(Path.Combine(path, "mqttbroker.json"));
+                File.Create(Path.Combine(path, "mqttbroker.json")).Close();
             }
 
             if (!File.Exists(Path.Combine(path, "configured-sensors.json")))
             {
-                File.Create(Path.Combine(path, "configured-sensors.json"));
+                File.Create(Path.Combine(path, "configured-sensors.json")).Close();
             }
 
             ConfiguredSensors = new List<AbstractSensor>();
@@ -123,8 +123,12 @@ namespace hass_workstation_service.Data
             {
 
                 var mqttClientOptions = new MqttClientOptionsBuilder()
-                    .WithTcpServer(configuredBroker.Host)
-                    // .WithTls()
+                    .WithTcpServer(configuredBroker.Host, configuredBroker.Port)
+                    .WithTls(new MqttClientOptionsBuilderTlsParameters()
+                    {
+                        UseTls = configuredBroker.UseTLS,
+                        AllowUntrustedCertificates = true
+                    })
                     .WithCredentials(configuredBroker.Username, configuredBroker.Password.ToString())
                     .Build();
                 return mqttClientOptions;
@@ -248,7 +252,9 @@ namespace hass_workstation_service.Data
                 {
                     Host = settings.Host,
                     Username = settings.Username,
-                    Password = settings.Password ?? ""
+                    Password = settings.Password ?? "",
+                    Port = settings.Port ?? 1883,
+                    UseTLS = settings.UseTLS
                 };
 
                 await JsonSerializer.SerializeAsync(stream, configuredBroker);
@@ -265,7 +271,9 @@ namespace hass_workstation_service.Data
             {
                 Host = broker?.Host,
                 Username = broker?.Username,
-                Password = broker?.Password
+                Password = broker?.Password,
+                Port = broker?.Port,
+                UseTLS = broker?.UseTLS ?? false
             };
         }
 

hass-workstation-service/Data/ConfiguredMqttBroker.cs

@@ -7,7 +7,12 @@ namespace hass_workstation_service.Data
     {
         private string username;
         private string password;
+        private int? port;
+
         public string Host { get; set; }
+        public int Port { get => port ?? 1883; set => port = value; }
+        public bool UseTLS { get; set; }
+
 
         public string Username
         {