/// <summary>
/// 发送消息
/// 不跟踪服务端的消息处理结果
/// </summary>
/// <param name="topic">主题</param>
/// <param name="message">消息</param>
/// <exception cref="ArgumentNullException"></exception>
/// <returns></returns>
public MqttError SendMessageAsync(string topic, MqttMessage message)
{
if (string.IsNullOrEmpty(topic))
{
throw new ArgumentNullException("topic");
}
if (message == null)
{
throw new ArgumentNullException("message");
}
var msg = message.ToStruct();
var opt = new MQTTAsync_responseOptions();
opt.Init();
var er = MQTTAsync.MQTTAsync_sendMessage(this.handle, topic, ref msg, ref opt);
msg.Dispose();
return(er);
}
/// <summary>
/// 发送消息
/// 并跟踪服务端对消息回复结果
/// </summary>
/// <param name="topic">主题</param>
/// <param name="message">消息</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="MqttException"></exception>
/// <returns></returns>
public Task <bool> SendMessageTaskAsync(string topic, MqttMessage message)
{
if (string.IsNullOrEmpty(topic))
{
throw new ArgumentNullException("topic");
}
if (message == null)
{
throw new ArgumentNullException("message");
}
var taskId = this.GenerateTaskId();
var setter = this.taskSetterTable.Create <bool>(taskId);
var msg = message.ToStruct();
var opt = this.InitResponseOptions(taskId);
var er = MQTTAsync.MQTTAsync_sendMessage(this.handle, topic, ref msg, ref opt);
msg.Dispose();
this.EnsureSuccessCode(er);
return(setter.GetTask());
}
