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C#

/*
Copyright (c) 2013, 2014 Paolo Patierno
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License v1.0
and Eclipse Distribution License v1.0 which accompany this distribution.
The Eclipse Public License is available at
http://www.eclipse.org/legal/epl-v10.html
and the Eclipse Distribution License is available at
http://www.eclipse.org/org/documents/edl-v10.php.
Contributors:
Paolo Patierno - initial API and implementation and/or initial documentation
*/
namespace uPLibrary.Networking.M2Mqtt
{
/// <summary>
/// Settings class for the MQTT broker
/// </summary>
public class MqttSettings
{
// default port for MQTT protocol
public const int MQTT_BROKER_DEFAULT_PORT = 18830;
public const int MQTT_BROKER_DEFAULT_SSL_PORT = 8883;
// default timeout on receiving from client
public const int MQTT_DEFAULT_TIMEOUT = 30000;
// max publish, subscribe and unsubscribe retry for QoS Level 1 or 2
public const int MQTT_ATTEMPTS_RETRY = 3;
// delay for retry publish, subscribe and unsubscribe for QoS Level 1 or 2
public const int MQTT_DELAY_RETRY = 10000;
// broker need to receive the first message (CONNECT)
// within a reasonable amount of time after TCP/IP connection
public const int MQTT_CONNECT_TIMEOUT = 30000;
// default inflight queue size
public const int MQTT_MAX_INFLIGHT_QUEUE_SIZE = int.MaxValue;
/// <summary>
/// Listening connection port
/// </summary>
public int Port { get; internal set; }
/// <summary>
/// Listening connection SSL port
/// </summary>
public int SslPort { get; internal set; }
/// <summary>
/// Timeout on client connection (before receiving CONNECT message)
/// </summary>
public int TimeoutOnConnection { get; internal set; }
/// <summary>
/// Timeout on receiving
/// </summary>
public int TimeoutOnReceiving { get; internal set; }
/// <summary>
/// Attempts on retry
/// </summary>
public int AttemptsOnRetry { get; internal set; }
/// <summary>
/// Delay on retry
/// </summary>
public int DelayOnRetry { get; internal set; }
/// <summary>
/// Inflight queue size
/// </summary>
public int InflightQueueSize { get; set; }
/// <summary>
/// Singleton instance of settings
/// </summary>
public static MqttSettings Instance
{
get
{
if (instance == null)
instance = new MqttSettings();
return instance;
}
}
// singleton instance
private static MqttSettings instance;
/// <summary>
/// Constructor
/// </summary>
private MqttSettings()
{
this.Port = MQTT_BROKER_DEFAULT_PORT;
this.SslPort = MQTT_BROKER_DEFAULT_SSL_PORT;
this.TimeoutOnReceiving = MQTT_DEFAULT_TIMEOUT;
this.AttemptsOnRetry = MQTT_ATTEMPTS_RETRY;
this.DelayOnRetry = MQTT_DELAY_RETRY;
this.TimeoutOnConnection = MQTT_CONNECT_TIMEOUT;
this.InflightQueueSize = MQTT_MAX_INFLIGHT_QUEUE_SIZE;
}
}
}