public Connect(string userName, string password, string clientIdentifier)
: base(MessageType.Connect)
{
m_header = new VariableHeader <ConnectHeaderData>();
VariableHeader = m_header;
if (!userName.IsNullOrEmpty())
{
UserName = userName;
m_header.HeaderData.HasUserName = true;
}
if (!password.IsNullOrEmpty())
{
Password = password;
m_header.HeaderData.HasPassword = true;
}
Validate
.Begin()
.ParameterIsNotNull(clientIdentifier, "clientIdentifier")
.IsGreaterThanOrEqualTo(clientIdentifier.Length, 1)
.IsLessThanOrEqualTo(clientIdentifier.Length, 23)
.Check();
ClientIdentifier = clientIdentifier;
}
public byte[] Serialize()
{
var data = new List <byte>();
var payload = this.Payload;
var length = payload == null ? 0 : payload.Length;
byte[] variableHeader = null;
if (VariableHeader != null)
{
variableHeader = VariableHeader.Serialize();
length += variableHeader.Length;
}
FixedHeader.RemainingLength = length;
data.AddRange(FixedHeader.Serialize());
if (variableHeader != null)
{
data.AddRange(variableHeader);
}
if (payload != null)
{
data.AddRange(payload);
}
return(data.ToArray());
}
internal Publish(FixedHeader header, byte[] payload)
: base(header)
{
var payloadLength = payload.Length;
m_header = new VariableHeader <PublishHeaderData>();
VariableHeader = m_header;
// get topic length
var topicLength = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(payload, 0));
payloadLength -= 2;
// get topic name
m_header.HeaderData.TopicName = Encoding.UTF8.GetString(payload, 2, topicLength);
payloadLength -= topicLength;
if (header.QoS > 0)
{
// pull message ID
m_header.HeaderData.MessageID = (ushort)System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(payload, payload.Length - payloadLength));
payloadLength -= 2;
}
m_data = new byte[payloadLength];
Buffer.BlockCopy(payload, payload.Length - payloadLength, m_data, 0, m_data.Length);
}
public Unsubscribe(string[] topics, ushort messageID)
: base(MessageType.Subscribe, QoS.AcknowledgeDelivery, false, false)
{
Validate
.Begin()
.ParameterIsNotNull(topics, "topics")
.IsGreaterThanOrEqualTo(1, topics.Length)
.Check();
m_header = new VariableHeader <MessageIDHeaderData>();
m_header.HeaderData.MessageID = messageID;
VariableHeader = m_header;
m_topics = topics;
}
public Subscribe(Subscription[] subscriptions, ushort messageID)
: base(MessageType.Subscribe, QoS.AcknowledgeDelivery, false, false)
{
Validate
.Begin()
.ParameterIsNotNull(subscriptions, "subscriptions")
.IsGreaterThanOrEqualTo(1, subscriptions.Length)
.Check();
m_header = new VariableHeader <MessageIDHeaderData>();
m_header.HeaderData.MessageID = messageID;
VariableHeader = m_header;
m_subscriptions = subscriptions;
}
public Publish(string topicName, byte[] messageData, ushort messageID, QoS qos, bool retain)
: base(MessageType.Publish, qos, retain, false)
{
m_header = new VariableHeader <PublishHeaderData>();
VariableHeader = m_header;
Validate
.Begin()
.IsNotNullOrEmpty(topicName)
.ParameterIsNotNull(messageData, "messageData")
.Check();
m_header.HeaderData.TopicName = topicName;
if (messageID != 0)
{
m_header.HeaderData.MessageID = messageID;
}
m_data = messageData;
}
