readFrom method
Creates a variable header from the specified header stream. A subclass can override this method to do completely custom read operations if required.
Implementation
void readFrom(MqttByteBuffer variableHeaderStream) {
readProtocolName(variableHeaderStream);
readProtocolVersion(variableHeaderStream);
readConnectFlags(variableHeaderStream);
readKeepAlive(variableHeaderStream);
readReturnCode(variableHeaderStream);
readTopicName(variableHeaderStream);
readMessageIdentifier(variableHeaderStream);
}