static void ConnectionServer()
{
var options = new MqttClientTcpOptions
{
// Port = 61613,
Server = "127.0.0.1",
ClientId = "c001",
UserName = "******",
Password = "******",
CleanSession = true
};
var mqttClient = new MqttClientFactory().CreateMqttClient();
mqttClient.ConnectAsync(options);
mqttClient.SubscribeAsync(new List <TopicFilter> {
new TopicFilter("家/客厅/空调/#", MqttQualityOfServiceLevel.AtMostOnce)
});
var appMsg = new MqttApplicationMessage("家/客厅/空调/开关", Encoding.UTF8.GetBytes("消息内容"), MqttQualityOfServiceLevel.AtMostOnce, false);
mqttClient.PublishAsync(appMsg);
}
private static async Task RunClientAsync(string[] arguments)
{
MqttTrace.TraceMessagePublished += (s, e) =>
{
Console.WriteLine($">> [{e.ThreadId}] [{e.Source}] [{e.Level}]: {e.Message}");
if (e.Exception != null)
{
Console.WriteLine(e.Exception);
}
};
try
{
var options = new MqttClientOptions
{
Server = "localhost",
ClientId = "XYZ",
CleanSession = true
};
var client = new MqttClientFactory().CreateMqttClient(options);
client.ApplicationMessageReceived += (s, e) =>
{
Console.WriteLine("### RECEIVED APPLICATION MESSAGE ###");
Console.WriteLine($"+ Topic = {e.ApplicationMessage.Topic}");
Console.WriteLine($"+ Payload = {Encoding.UTF8.GetString(e.ApplicationMessage.Payload)}");
Console.WriteLine($"+ QoS = {e.ApplicationMessage.QualityOfServiceLevel}");
Console.WriteLine($"+ Retain = {e.ApplicationMessage.Retain}");
Console.WriteLine();
};
client.Connected += async(s, e) =>
{
Console.WriteLine("### CONNECTED WITH SERVER ###");
await client.SubscribeAsync(new List <TopicFilter>
{
new TopicFilter("#", MqttQualityOfServiceLevel.AtMostOnce)
});
};
client.Disconnected += async(s, e) =>
{
Console.WriteLine("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(5));
try
{
await client.ConnectAsync();
}
catch
{
Console.WriteLine("### RECONNECTING FAILED ###");
}
};
try
{
await client.ConnectAsync();
}
catch (Exception exception)
{
Console.WriteLine("### CONNECTING FAILED ###" + Environment.NewLine + exception);
}
Console.WriteLine("### WAITING FOR APPLICATION MESSAGES ###");
var messageFactory = new MqttApplicationMessageFactory();
while (true)
{
Console.ReadLine();
var applicationMessage = messageFactory.CreateApplicationMessage("myTopic", "Hello World", MqttQualityOfServiceLevel.AtLeastOnce);
await client.PublishAsync(applicationMessage);
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}
private static async Task RunClientAsync(int msgChunkSize, TimeSpan interval)
{
try
{
var options = new MqttClientOptions
{
Server = "localhost",
ClientId = "XYZ",
CleanSession = true,
DefaultCommunicationTimeout = TimeSpan.FromMinutes(10)
};
var client = new MqttClientFactory().CreateMqttClient(options);
client.ApplicationMessageReceived += (s, e) =>
{
};
client.Connected += async(s, e) =>
{
Console.WriteLine("### CONNECTED WITH SERVER ###");
await client.SubscribeAsync(new List <TopicFilter>
{
new TopicFilter("#", MqttQualityOfServiceLevel.AtMostOnce)
});
Console.WriteLine("### SUBSCRIBED ###");
};
client.Disconnected += async(s, e) =>
{
Console.WriteLine("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(5));
try
{
await client.ConnectAsync();
}
catch
{
Console.WriteLine("### RECONNECTING FAILED ###");
}
};
try
{
await client.ConnectAsync();
}
catch (Exception exception)
{
Console.WriteLine("### CONNECTING FAILED ###" + Environment.NewLine + exception);
}
Console.WriteLine("### WAITING FOR APPLICATION MESSAGES ###");
var testMessageCount = 10000;
var message = CreateMessage();
var stopwatch = Stopwatch.StartNew();
for (var i = 0; i < testMessageCount; i++)
{
await client.PublishAsync(message);
}
stopwatch.Stop();
Console.WriteLine($"Sent 10.000 messages within {stopwatch.ElapsedMilliseconds} ms ({stopwatch.ElapsedMilliseconds / (float)testMessageCount} ms / message).");
stopwatch.Restart();
var sentMessagesCount = 0;
while (stopwatch.ElapsedMilliseconds < 1000)
{
await client.PublishAsync(message);
sentMessagesCount++;
}
Console.WriteLine($"Sending {sentMessagesCount} messages per second.");
var last = DateTime.Now;
var msgCount = 0;
while (true)
{
var msgs = Enumerable.Range(0, msgChunkSize)
.Select(i => CreateMessage())
.ToList();
////if (false)
////{
//// //send concurrent (test for raceconditions)
//// var sendTasks = msgs
//// .Select(msg => PublishSingleMessage(client, msg, ref msgCount))
//// .ToList();
//// await Task.WhenAll(sendTasks);
////}
////else
{
await client.PublishAsync(msgs);
msgCount += msgs.Count;
//send multiple
}
var now = DateTime.Now;
if (last < now - TimeSpan.FromSeconds(1))
{
Console.WriteLine($"sending {msgCount} inteded {msgChunkSize / interval.TotalSeconds}");
msgCount = 0;
last = now;
}
await Task.Delay(interval).ConfigureAwait(false);
}
}
catch (Exception exception)
{
Console.WriteLine(exception);
}
}