/// <summary>
/// Writes provided settings to the config file and invokes a reconfigure to the current mqqtClient
/// </summary>
/// <param name="settings"></param>
public async void WriteMqttBrokerSettingsAsync(MqttSettings settings)
{
while (this._brokerSettingsFileLocked)
{
await Task.Delay(500);
}
this._brokerSettingsFileLocked = true;
using (FileStream stream = new FileStream(Path.Combine(path, "mqttbroker.json"), FileMode.Open))
{
stream.SetLength(0);
Log.Logger.Information($"writing configured mqttbroker to: {stream.Name}");
ConfiguredMqttBroker configuredBroker = new ConfiguredMqttBroker()
{
Host = settings.Host,
Username = settings.Username,
Password = settings.Password
};
await JsonSerializer.SerializeAsync(stream, configuredBroker);
stream.Close();
}
this._brokerSettingsFileLocked = false;
this.MqqtConfigChangedHandler.Invoke(await this.GetMqttClientOptionsAsync());
}
public async Task <IManagedMqttClientOptions> GetMqttClientOptionsAsync()
{
ConfiguredMqttBroker configuredBroker = await ReadMqttSettingsAsync();
if (configuredBroker != null && configuredBroker.Host != null)
{
var mqttClientOptions = new MqttClientOptionsBuilder()
.WithTcpServer(configuredBroker.Host, configuredBroker.Port)
.WithTls(new MqttClientOptionsBuilderTlsParameters()
{
UseTls = configuredBroker.UseTLS,
AllowUntrustedCertificates = true
})
.WithCredentials(configuredBroker.Username, configuredBroker.Password.ToString())
.WithKeepAlivePeriod(TimeSpan.FromSeconds(30))
.WithWillMessage(new MqttApplicationMessageBuilder()
.WithRetainFlag()
.WithTopic($"homeassistant/sensor/{_deviceConfigModel.Name}/availability")
.WithPayload("offline")
.Build())
.Build();
return(new ManagedMqttClientOptionsBuilder().WithClientOptions(mqttClientOptions).Build());
}
else
{
Program.StartUI();
return(null);
}
}
public async Task <MqttSettings> GetMqttBrokerSettings()
{
ConfiguredMqttBroker broker = await ReadMqttSettingsAsync();
return(new MqttSettings
{
Host = broker?.Host,
Username = broker?.Username,
Password = broker?.Password
});
}
public async Task <IMqttClientOptions> GetMqttClientOptionsAsync()
{
ConfiguredMqttBroker configuredBroker = await ReadMqttSettingsAsync();
if (configuredBroker != null && configuredBroker.Host != null)
{
var mqttClientOptions = new MqttClientOptionsBuilder()
.WithTcpServer(configuredBroker.Host)
// .WithTls()
.WithCredentials(configuredBroker.Username, configuredBroker.Password.ToString())
.Build();
return(mqttClientOptions);
}
else
{
Program.StartUI();
return(null);
}
}
/// <summary>
/// Gets the saved broker settings from configfile. Null if not found.
/// </summary>
/// <returns></returns>
public async Task <ConfiguredMqttBroker> ReadMqttSettingsAsync()
{
while (this._brokerSettingsFileLocked)
{
await Task.Delay(500);
}
this._brokerSettingsFileLocked = true;
ConfiguredMqttBroker configuredBroker = null;
using (FileStream stream = new FileStream(Path.Combine(path, "mqttbroker.json"), FileMode.Open))
{
Log.Logger.Information($"reading configured mqttbroker from: {stream.Name}");
if (stream.Length > 0)
{
configuredBroker = await JsonSerializer.DeserializeAsync <ConfiguredMqttBroker>(stream);
}
stream.Close();
}
this._brokerSettingsFileLocked = false;
return(configuredBroker);
}
public async Task <IMqttClientOptions> GetMqttClientOptionsAsync()
{
ConfiguredMqttBroker configuredBroker = await ReadMqttSettingsAsync();
if (configuredBroker != null && configuredBroker.Host != null)
{
var mqttClientOptions = new MqttClientOptionsBuilder()
.WithTcpServer(configuredBroker.Host, configuredBroker.Port)
.WithTls(new MqttClientOptionsBuilderTlsParameters()
{
UseTls = configuredBroker.UseTLS,
AllowUntrustedCertificates = true
})
.WithCredentials(configuredBroker.Username, configuredBroker.Password.ToString())
.Build();
return(mqttClientOptions);
}
else
{
Program.StartUI();
return(null);
}
}
