private void publishButton_Click(object sender, RoutedEventArgs e)
{
if (mqttClient.IsConnected)
{
var message = new MqttApplicationMessageBuilder()
.WithTopic(publishTopicTextBox.Text)
.WithPayload(HexCheckBox.IsChecked ?? false ?
Tools.Global.GetEncoding().GetString(Tools.Global.Hex2Byte(PublishTextBox.Text)) :
PublishTextBox.Text)
.WithQualityOfServiceLevel(int.Parse(publishQOSComboBox.Text))
.Build();
Task.Run(async() =>
{
try
{
await mqttClient.PublishAsync(message, CancellationToken.None);
this.Dispatcher.Invoke(new Action(delegate
{
Tools.Logger.ShowDataRaw(new Tools.DataShowRaw
{
title = $"MQTT ← {message.Topic}({(int)message.QualityOfServiceLevel})",
data = message.Payload ?? new byte[0],
color = Brushes.DarkRed
});
}));
}
catch { }
});
}
}
public async Task PublishAsync(string topic, byte[] payload, Dictionary <string, string> properties, Qos qos, CancellationToken cancellationToken)
{
var mqttMessageBuilder = new MqttApplicationMessageBuilder()
.WithTopic(topic)
.WithPayload(payload)
.WithQualityOfServiceLevel(MapQos(qos));
if (properties != null)
{
foreach (var entry in properties)
{
mqttMessageBuilder.WithUserProperty(entry.Key, entry.Value);
}
}
MqttClientPublishResult publishResult;
try
{
publishResult = await client.PublishAsync(mqttMessageBuilder.Build(), cancellationToken);
}
catch (Exception e)
{
throw new MqttException(cause: e);
}
ValidatePublishResult(publishResult);
}
public async Task PublishAsync(string topic, string payload, int qos, bool retain)
{
var message = new MqttApplicationMessageBuilder()
.WithTopic(topic);
if (!string.IsNullOrEmpty(payload))
{
message = message.WithPayload(payload);
}
if (qos == 2)
{
message = message.WithExactlyOnceQoS();
}
else
{
message = message.WithAtLeastOnceQoS();
}
if (retain)
{
message = message.WithRetainFlag();
}
await client.PublishAsync(message.Build());
}
public async Task PublishAsync(string topic, string payload)
{
var message = new MqttApplicationMessageBuilder()
.WithTopic($"{settings.Value.TopicRoot}/{topic}")
.WithPayload(payload)
.Build();
await client.PublishAsync(message);
logger.LogInformation($"Published '{settings.Value.TopicRoot}/{topic} {payload}'");
}
public async Task SendMessageAsync(string topicName, string message)
{
try
{
await _client.PublishAsync(topicName, message, MQTTnet.Protocol.MqttQualityOfServiceLevel.AtLeastOnce, false);
}
catch (Exception ex)
{
_logger.LogError("SendMessageAsync error:\n" + ex.ToString());
}
}
public async void PublisherAsync(string theme)
{
Signals signals1 = new Signals()
{
Name = "PLK1", Data = "11", Time = new DateTime(2001, 1, 1, 0, 0, 0), Quality = 111, Edizm = "Om", Type = 1
};
Signals signals2 = new Signals()
{
Name = "PLK2", Data = "22", Time = new DateTime(2002, 2, 2, 0, 0, 0), Quality = 222, Edizm = "K", Type = 1
};
string json1 = JsonSerializer.Serialize <Signals>(signals1);
string json2 = JsonSerializer.Serialize <Signals>(signals2);
string[] json = new string[2] {
json1, json2
};
int i = 0;
do
{
//await Task.Delay(TimeSpan.FromSeconds(1));
{
var message = new MqttApplicationMessageBuilder()
.WithTopic(theme)
.WithPayload(json[i].ToString())
.WithQualityOfServiceLevel(MQTTnet.Protocol.MqttQualityOfServiceLevel.ExactlyOnce)
.WithRetainFlag(true)
.Build();
if (mqttClient.IsConnected)
{
await mqttClient.PublishAsync(message, CancellationToken.None);
i++;
}
}
} while (i < 2);
}
