/// <summary>
/// Initializes a new instance of the <see cref="MqttConnectionKeepAlive" /> class.
/// </summary>
/// <param name="connectionHandler">The connection to keep alive.</param>
/// <param name="keepAliveSeconds">The keep alive duration in seconds.</param>
public MqttConnectionKeepAlive(IMqttConnectionHandler connectionHandler, int keepAliveSeconds) {
this.connectionHandler = connectionHandler;
this.keepAlivePeriod = keepAliveSeconds*1000;
// register for message handling of ping request and response messages.
connectionHandler.RegisterForMessage(MqttMessageType.PingRequest, PingRequestReceived);
connectionHandler.RegisterForMessage(MqttMessageType.PingResponse, PingResponseReceived);
connectionHandler.RegisterForAllSentMessages(MessageSent);
// Start the timer so we do a ping whenever required.
pingTimer = new Timer(PingRequired, null, keepAlivePeriod, keepAlivePeriod);
}
/// <summary>
/// Initializes a new instance of the <see cref="MqttConnectionKeepAlive"/> class.
/// </summary>
/// <param name="connection">The connection to keep alive.</param>
/// <param name="keepAliveSeconds">The keep alive duration in seconds.</param>
public MqttConnectionKeepAlive(IMqttConnectionHandler connectionHandler, int keepAliveSeconds)
{
this.connectionHandler = connectionHandler;
this.keepAlivePeriod = keepAliveSeconds * 1000;
// register for message handling of ping request and response messages.
connectionHandler.RegisterForMessage(MqttMessageType.PingRequest, PingRequestReceived);
connectionHandler.RegisterForMessage(MqttMessageType.PingResponse, PingResponseReceived);
connectionHandler.RegisterForAllSentMessages(MessageSent);
// Start the timer so we do a ping whenever required.
pingTimer = new Timer(PingRequired, null, keepAlivePeriod, keepAlivePeriod);
}