/// <summary>
/// Constructor
/// </summary>
/// <param name="clientId">Client identifier</param>
/// <param name="username">Username</param>
/// <param name="password">Password</param>
/// <param name="willRetain">Will retain flag</param>
/// <param name="willQosLevel">Will QOS level</param>
/// <param name="willFlag">Will flag</param>
/// <param name="willTopic">Will topic</param>
/// <param name="willMessage">Will message</param>
/// <param name="cleanSession">Clean sessione flag</param>
/// <param name="keepAlivePeriod">Keep alive period</param>
/// <param name="protocolVersion">MQTT Protocol version</param>
public MqttMsgConnect(string clientId,
string username,
string password,
bool willRetain,
MqttQoSLevel willQosLevel,
bool willFlag,
string willTopic,
string willMessage,
bool cleanSession,
ushort keepAlivePeriod,
MqttProtocolVersion protocolVersion
)
{
Type = MqttMessageType.Connect;
ClientId = clientId;
Username = username;
Password = password;
WillRetain = willRetain;
WillQosLevel = (byte)willQosLevel;
WillFlag = willFlag;
WillTopic = willTopic;
WillMessage = willMessage;
CleanSession = cleanSession;
KeepAlivePeriod = keepAlivePeriod;
// [v.3.1.1] added new protocol name and version valid for 5.0
ProtocolVersion = protocolVersion;
ProtocolName = (ProtocolVersion == MqttProtocolVersion.Version_3_1_1 || ProtocolVersion == MqttProtocolVersion.Version_5) ? PROTOCOL_NAME_V3_1_1 : PROTOCOL_NAME_V3_1;
}
public bool Connect(string Host, string AccessToken, int Port = 1883)
{
if (Host == null || AccessToken == null)
{
return(false);
}
string clientId = Guid.NewGuid().ToString();;
client = new MqttClient(Host, Port, false, null, null, MqttSslProtocols.None);
client.MqttMsgPublishReceived += Client_MqttMsgPublishReceived;
client.MqttMsgSubscribed += Client_MqttMsgSubscribed;
client.ConnectionClosed += Client_ConnectionClosed;
var result = client.Connect(clientId, AccessToken, null);
if (result != 0)
{
return(false);
}
Connected = true;
this.QoS = MqttQoSLevel.AtLeastOnce;
client.Subscribe(new string[] { ATTRIBUTES_TOPIC }, new MqttQoSLevel[] { QoS });
client.Subscribe(new string[] { ATTRIBUTES_TOPIC + "/response/+" }, new MqttQoSLevel[] { QoS });
client.Subscribe(new string[] { RPC_REQUEST_TOPIC + "+" }, new MqttQoSLevel[] { QoS });
client.Subscribe(new string[] { RPC_RESPONSE_TOPIC + "+" }, new MqttQoSLevel[] { QoS });
return(true);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="topic">Message topic</param>
/// <param name="message">Message data</param>
/// <param name="dupFlag">Duplicate delivery flag</param>
/// <param name="qosLevel">Quality of Service level</param>
/// <param name="retain">Retain flag</param>
public MqttMsgPublishEventArgs(string topic,
byte[] message,
bool dupFlag,
MqttQoSLevel qosLevel,
bool retain)
{
Topic = topic;
Message = message;
DupFlag = dupFlag;
QosLevel = qosLevel;
Retain = retain;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="topic">Message topic</param>
/// <param name="message">Message data</param>
/// <param name="dupFlag">Duplicate flag</param>
/// <param name="qosLevel">Quality of Service level</param>
/// <param name="retain">Retain flag</param>
public MqttMsgPublish(string topic,
byte[] message,
bool dupFlag,
MqttQoSLevel qosLevel,
bool retain) : base()
{
Type = MqttMessageType.Publish;
Topic = topic;
Message = message;
DupFlag = dupFlag;
QosLevel = qosLevel;
Retain = retain;
MessageId = 0;
}
public static ushort Publish(this MqttClient mqttClient, string topic, byte[] message, MqttQoSLevel qosLevel, bool retain)
{
return(mqttClient.Publish(topic, message, (byte)qosLevel, retain));
}