readFrom method
Creates a variable header from the specified header stream.
Implementation
@override
void readFrom(MqttByteBuffer variableHeaderStream) {
readTopicName(variableHeaderStream);
if (header!.qos == MqttQos.atLeastOnce ||
header!.qos == MqttQos.exactlyOnce) {
readMessageIdentifier(variableHeaderStream);
}
// Properties
variableHeaderStream.shrink();
_propertySet.readFrom(variableHeaderStream);
_processProperties();
variableHeaderStream.shrink();
_length += _propertySet.getWriteLength();
}