internal override MqttMessage Decode(byte[] message)
{
ConnectAckMessage connackMessage = new ConnectAckMessage();
int index = 0;
byte fixedHeader = message[index];
base.DecodeFixedHeader(fixedHeader);
int remainingLength = base.DecodeRemainingLength(message);
int temp = remainingLength; //increase the fixed header size
do
{
index++;
temp = temp / 128;
} while (temp > 0);
index++;
byte[] buffer = new byte[remainingLength];
Buffer.BlockCopy(message, index, buffer, 0, buffer.Length);
//base.VariableHeader = new ConnackVariableHeader();
//index = base.VariableHeader.Decode(buffer);
index = 0;
byte reserved = buffer[index++];
if (reserved != 0x00)
{
this.SessionPresent = Convert.ToBoolean(reserved);
}
byte code = buffer[index++];
this.ReturnCode = (ConnectAckCode)code;
return(connackMessage);
}
internal override MqttMessage Decode(byte[] message)
{
ConnectAckMessage connackMessage = new ConnectAckMessage();
int index = 0;
byte fixedHeader = message[index];
DecodeFixedHeader(fixedHeader);
int remainingLength = DecodeRemainingLength(message);
int temp = remainingLength;
do
{
index++;
temp /= 128;
} while (temp > 0);
index++;
byte[] buffer = new byte[remainingLength];
Buffer.BlockCopy(message, index, buffer, 0, buffer.Length);
index = 0;
byte reserved = buffer[index++];
if (reserved != 0x00)
{
SessionPresent = Convert.ToBoolean(reserved);
}
byte code = buffer[index++];
ReturnCode = (ConnectAckCode)code;
return(connackMessage);
}
public static MqttMessage DecodeMessage(byte[] message)
{
byte fixedHeader = message[0];
byte msgType = (byte)(fixedHeader >> 0x04);
MqttMessageType messageType = (MqttMessageType)msgType;
MqttMessage mqttMessage = null;
switch (messageType)
{
case MqttMessageType.CONNECT:
mqttMessage = new ConnectMessage();
break;
case MqttMessageType.CONNACK:
mqttMessage = new ConnectAckMessage();
break;
case MqttMessageType.PUBLISH:
mqttMessage = new PublishMessage();
break;
case MqttMessageType.PUBACK:
mqttMessage = new PublishAckMessage();
break;
case MqttMessageType.PUBREC:
mqttMessage = new PublishAckMessage();
break;
case MqttMessageType.PUBREL:
mqttMessage = new PublishAckMessage();
break;
case MqttMessageType.PUBCOMP:
mqttMessage = new PublishAckMessage();
break;
case MqttMessageType.SUBSCRIBE:
mqttMessage = new SubscribeMessage();
break;
case MqttMessageType.SUBACK:
mqttMessage = new SubscriptionAckMessage();
break;
case MqttMessageType.UNSUBSCRIBE:
mqttMessage = new UnsubscribeMessage();
break;
case MqttMessageType.UNSUBACK:
mqttMessage = new UnsubscribeAckMessage();
break;
case MqttMessageType.PINGREQ:
mqttMessage = new PingRequestMessage();
break;
case MqttMessageType.PINGRESP:
mqttMessage = new PingResponseMessage();
break;
case MqttMessageType.DISCONNECT:
mqttMessage = new DisconnectMessage();
break;
default:
throw new InvalidOperationException("Unknown message type.");
}
mqttMessage.Decode(message);
return(mqttMessage);
}
