powershellmqtt

PowerShell and M2MQTT

I'm trying to create a simple MQTT client in PowerShell to receive some messages from a broker. This broker is using a non standard port.

To do that, I followed the instructions I found at https://jackgruber.github.io/2019-06-05-ps-mqtt/

When using the example's code it's working fine but when I'm trying to specify a port like

$MqttClient = [uPLibrary.Networking.M2Mqtt.MqttClient]("mqtt-broker.net",41383)

it throws the error:

Cannot convert the "System.Object[]" value of type "System.Object[]" to type "uPLibrary.Networking.M2Mqtt.MqttClient".
At line:1 char:1
+ $MqttClient = [uPLibrary.Networking.M2Mqtt.MqttClient]("ext.mqtt.drya ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (:) [], RuntimeException
    + FullyQualifiedErrorId : ConvertToFinalInvalidCastException

Any ideas?

Solution

  • I managed to specify the port by doing this:

    enum MqttSslProtocols
{    None
    SSLv3
    TLSv1_0
    TLSv1_1
    TLSv1_2
}

$sslProtocol = [MqttSslProtocols]::TLSv1_2
$MqttClient = [uPLibrary.Networking.M2Mqtt.MqttClient]::new("my-url",8883,$true,$null,$null,$sslProtocol)

    You need to match the parameters of one of the constructor signatures.