public async Task ManagedClients_Will_Message_Send()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
var receivedMessagesCount = 0;
await testEnvironment.StartServerAsync();
var willMessage = new MqttApplicationMessageBuilder().WithTopic("My/last/will").WithAtMostOnceQoS().Build();
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort)
.WithWillMessage(willMessage);
var dyingClient = testEnvironment.CreateClient();
var dyingManagedClient = new ManagedMqttClient(dyingClient, testEnvironment.ClientLogger);
await dyingManagedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.Build());
var recievingClient = await testEnvironment.ConnectClientAsync();
await recievingClient.SubscribeAsync("My/last/will");
recievingClient.UseApplicationMessageReceivedHandler(context => Interlocked.Increment(ref receivedMessagesCount));
dyingManagedClient.Dispose();
await Task.Delay(1000);
Assert.AreEqual(1, receivedMessagesCount);
}
}
public async Task Start_Stop()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
var server = await testEnvironment.StartServerAsync();
var managedClient = new ManagedMqttClient(testEnvironment.CreateClient(), new MqttNetLogger());
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort);
var connected = GetConnectedTask(managedClient);
await managedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.Build());
await connected;
await managedClient.StopAsync();
await Task.Delay(500);
Assert.AreEqual(0, (await server.GetClientStatusAsync()).Count);
}
}
public async Task Start_Stop()
{
using (var testEnvironment = new TestEnvironment())
{
var factory = new MqttFactory();
var server = await testEnvironment.StartServerAsync();
var managedClient = new ManagedMqttClient(testEnvironment.CreateClient(), new MqttNetLogger().CreateChildLogger());
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort);
TaskCompletionSource <bool> connected = new TaskCompletionSource <bool>();
managedClient.ConnectedHandler = new MqttClientConnectedHandlerDelegate(e => { connected.SetResult(true); });
await managedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.Build());
await connected.Task;
await managedClient.StopAsync();
Assert.AreEqual(0, (await server.GetClientStatusAsync()).Count);
}
}
async Task <ManagedMqttClient> CreateManagedClientAsync(
TestEnvironment testEnvironment,
IMqttClient underlyingClient = null,
TimeSpan?connectionCheckInterval = null)
{
await testEnvironment.StartServerAsync();
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort);
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.Build();
// Use a short connection check interval so that subscription operations are performed quickly
// in order to verify against a previous implementation that performed subscriptions only
// at connection check intervals
managedOptions.ConnectionCheckInterval = connectionCheckInterval ?? TimeSpan.FromSeconds(0.1);
var managedClient = new ManagedMqttClient(underlyingClient ?? testEnvironment.CreateClient(), new MqttNetLogger());
var connected = GetConnectedTask(managedClient);
await managedClient.StartAsync(managedOptions);
await connected;
return(managedClient);
}
private async Task ConnectMQTT()
{
string clientId = Guid.NewGuid().ToString();
string mqttURI = "124.107.183.2";
string mqttUser = "******";
string mqttPassword = "******";
int mqttPort = 1883;
bool mqttSecure = false;
var messageBuilder = new MqttClientOptionsBuilder()
.WithClientId(clientId)
.WithCredentials(mqttUser, mqttPassword)
.WithTcpServer(mqttURI, mqttPort)
.WithCleanSession();
var options = mqttSecure
? messageBuilder
.WithTls()
.Build()
: messageBuilder
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
mqttClient = (ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
await mqttClient.StartAsync(managedOptions);
}
public async Task Storage_Queue_Drains()
{
using (var testEnvironment = new TestEnvironment())
{
testEnvironment.IgnoreClientLogErrors = true;
testEnvironment.IgnoreServerLogErrors = true;
var factory = new MqttFactory();
var server = await testEnvironment.StartServerAsync();
var managedClient = new ManagedMqttClient(testEnvironment.CreateClient(), new MqttNetLogger().CreateChildLogger());
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort);
var storage = new ManagedMqttClientTestStorage();
TaskCompletionSource <bool> connected = new TaskCompletionSource <bool>();
managedClient.ConnectedHandler = new MqttClientConnectedHandlerDelegate(e =>
{
managedClient.ConnectedHandler = null;
connected.SetResult(true);
});
await managedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.WithStorage(storage)
.WithAutoReconnectDelay(System.TimeSpan.FromSeconds(5))
.Build());
await connected.Task;
await testEnvironment.Server.StopAsync();
await managedClient.PublishAsync(new MqttApplicationMessage { Topic = "1" });
//Message should have been added to the storage queue in PublishAsync,
//and we are awaiting PublishAsync, so the message should already be
//in storage at this point (i.e. no waiting).
Assert.AreEqual(1, storage.GetMessageCount());
connected = new TaskCompletionSource <bool>();
managedClient.ConnectedHandler = new MqttClientConnectedHandlerDelegate(e =>
{
managedClient.ConnectedHandler = null;
connected.SetResult(true);
});
await testEnvironment.Server.StartAsync(new MqttServerOptionsBuilder()
.WithDefaultEndpointPort(testEnvironment.ServerPort).Build());
await connected.Task;
//Wait 500ms here so the client has time to publish the queued message
await Task.Delay(500);
Assert.AreEqual(0, storage.GetMessageCount());
await managedClient.StopAsync();
}
}
public ManagedMqttContext(IManagedMqttContextOptions options)
{
Factory = new MqttFactory();
Logger = Factory.DefaultLogger;
Serializers = options.MessageSerializers.ToImmutableSortedDictionary(serializer => serializer.ContentType, serializer => serializer);
ManagedMqttClient = Factory.CreateManagedMqttClient();
ManagedMqttClient.StartAsync(options.ManagedMqttClientOptions).ConfigureAwait(false).GetAwaiter().GetResult();
}
public async Task Storage_Queue_Drains()
{
using (var testEnvironment = CreateTestEnvironment())
{
testEnvironment.IgnoreClientLogErrors = true;
testEnvironment.IgnoreServerLogErrors = true;
await testEnvironment.StartServer();
var managedClient = new ManagedMqttClient(testEnvironment.CreateClient(), new MqttNetEventLogger());
var clientOptions = new MqttClientOptionsBuilder().WithTcpServer("localhost", testEnvironment.ServerPort);
var storage = new ManagedMqttClientTestStorage();
var connected = GetConnectedTask(managedClient);
await managedClient.StartAsync(
new ManagedMqttClientOptionsBuilder().WithClientOptions(clientOptions).WithStorage(storage).WithAutoReconnectDelay(TimeSpan.FromSeconds(5)).Build());
await connected;
await testEnvironment.Server.StopAsync();
await managedClient.EnqueueAsync("1");
//Message should have been added to the storage queue in PublishAsync,
//and we are awaiting PublishAsync, so the message should already be
//in storage at this point (i.e. no waiting).
Assert.AreEqual(1, storage.GetMessageCount());
connected = GetConnectedTask(managedClient);
await testEnvironment.Server.StartAsync();
await connected;
//Wait 500ms here so the client has time to publish the queued message
await Task.Delay(500);
Assert.AreEqual(0, storage.GetMessageCount());
await managedClient.StopAsync();
}
}
public async Task ManagedClients_Will_Message_Send()
{
using (var testEnvironment = CreateTestEnvironment())
{
await testEnvironment.StartServer();
var receivedMessagesCount = 0;
var clientOptions = new MqttClientOptionsBuilder().WithTcpServer("127.0.0.1", testEnvironment.ServerPort)
.WithWillTopic("My/last/will")
.WithWillQualityOfServiceLevel(MqttQualityOfServiceLevel.AtMostOnce)
.Build();
var dyingClient = testEnvironment.CreateClient();
var dyingManagedClient = new ManagedMqttClient(dyingClient, testEnvironment.ClientLogger);
await dyingManagedClient.StartAsync(new ManagedMqttClientOptionsBuilder().WithClientOptions(clientOptions).Build());
// Wait until the managed client is fully set up and running.
await Task.Delay(1000);
var receivingClient = await testEnvironment.ConnectClient();
receivingClient.ApplicationMessageReceivedAsync += e =>
{
Interlocked.Increment(ref receivedMessagesCount);
return(PlatformAbstractionLayer.CompletedTask);
};
await receivingClient.SubscribeAsync("My/last/will");
// Disposing the client will not sent a DISCONNECT packet so that connection is terminated
// which will lead to the will publish.
dyingManagedClient.Dispose();
// Wait for arrival of the will message at the receiver.
await Task.Delay(5000);
Assert.AreEqual(1, receivedMessagesCount);
}
}
public static async Task <bool> ConnectMQTT()
{
if (mqttClient != null)
{
await mqttClient.StopAsync();
}
Debug.Write("Connecting to MQTT...");
mqttClient = (ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
try
{
var options = new MqttClientOptionsBuilder()
.WithClientId(Preferences.Get("deviceName", "")) //client name
.WithTcpServer(Preferences.Get("brokerIp", "")) //mqtt server
.WithCredentials(Preferences.Get("brokerUsername", ""), Preferences.Get("brokerPassword", "")) //username, password
.Build();
var managedOptions = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(options)
.Build();
await mqttClient.StartAsync(managedOptions);
}
catch (Exception e)
{
Debug.WriteLine("error while connecting: " + e.Message);
};
// if (!mqttClient.IsConnected)
// {
//#if !DEBUG
// if (await App.Current.MainPage.DisplayAlert("MQTT connection failed", "do you want to enter settings?", "yes", "no"))
// await App.Current.MainPage.Navigation.PushAsync(new SettingsPassword( new SettingsPage()), true);
//#endif
// Debug.WriteLine("connecting failed");
// return false;
// }
//Debug.WriteLine("connected");
return(true);
}
public async Task Subscriptions_Are_Cleared_At_Logout()
{
using (var testEnvironment = new TestEnvironment(TestContext))
{
await testEnvironment.StartServerAsync().ConfigureAwait(false);
var sendingClient = await testEnvironment.ConnectClientAsync().ConfigureAwait(false);
await sendingClient.PublishAsync(new MqttApplicationMessage
{
Topic = "topic",
Payload = new byte[] { 1 },
Retain = true
});
// Wait a bit for the retained message to be available
await Task.Delay(500);
await sendingClient.DisconnectAsync();
// Now use the managed client and check if subscriptions get cleared properly.
var clientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("localhost", testEnvironment.ServerPort);
var receivedManagedMessages = new List <MqttApplicationMessage>();
var managedClient = new ManagedMqttClient(testEnvironment.CreateClient(), new MqttNetLogger());
managedClient.ApplicationMessageReceivedHandler = new MqttApplicationMessageReceivedHandlerDelegate(c =>
{
receivedManagedMessages.Add(c.ApplicationMessage);
});
await managedClient.SubscribeAsync("topic");
await managedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.WithAutoReconnectDelay(TimeSpan.FromSeconds(1))
.Build());
await Task.Delay(500);
Assert.AreEqual(1, receivedManagedMessages.Count);
await managedClient.StopAsync();
await Task.Delay(500);
await managedClient.StartAsync(new ManagedMqttClientOptionsBuilder()
.WithClientOptions(clientOptions)
.WithAutoReconnectDelay(TimeSpan.FromSeconds(1))
.Build());
await Task.Delay(1000);
// After reconnect and then some delay, the retained message must not be received,
// showing that the subscriptions were cleared
Assert.AreEqual(1, receivedManagedMessages.Count);
// Make sure that it gets received after subscribing again.
await managedClient.SubscribeAsync("topic");
await Task.Delay(500);
Assert.AreEqual(2, receivedManagedMessages.Count);
}
}
private void _connect()
{
try
{
if (_mqttClient != null && _mqttClient.IsConnected)
{
return;
}
if (Options == null)
{
return;
}
LastWillMessage lastWillMsg = new LastWillMessage();
string payload = JsonConvert.SerializeObject(lastWillMsg);
MqttApplicationMessage msg = new MqttApplicationMessage()
{
Payload = Encoding.UTF8.GetBytes(payload),
QualityOfServiceLevel = MqttQualityOfServiceLevel.AtLeastOnce,
Retain = true,
Topic = string.Format(MQTTTopic.ScadaConnTopic, Options.ScadaId)
};
string clientId = "EdgeAgent_" + Guid.NewGuid().ToString("N");
var ob = new MqttClientOptionsBuilder();
ob.WithClientId(clientId)
.WithCredentials(Options.MQTT.Username, Options.MQTT.Password)
.WithCleanSession()
.WithWillMessage(msg);
switch (Options.MQTT.ProtocolType)
{
case Protocol.TCP:
ob.WithTcpServer(Options.MQTT.HostName, Options.MQTT.Port);
break;
case Protocol.WebSocket:
ob.WithWebSocketServer(Options.MQTT.HostName);
break;
default:
ob.WithTcpServer(Options.MQTT.HostName, Options.MQTT.Port);
break;
}
if (Options.UseSecure)
{
ob.WithTls();
}
var mob = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromMilliseconds(Options.ReconnectInterval))
.WithClientOptions(ob.Build())
.Build();
_mqttClient.StartAsync(mob);
}
catch (Exception ex)
{
//_logger.Error( ex.ToString() );
}
}
public static void Main(string[] args)
{
// Read settings from env
//Read settings:
string MQTTServerAddress = Environment.GetEnvironmentVariable("MQTTServerAddress");
if (MQTTServerAddress == null || MQTTServerAddress == "")
{
System.Console.WriteLine("ERROR:Missing MQTTServerAddress env variable. Process Exit.");
}
else
{
settings.MQTTServerAddress = MQTTServerAddress;
}
string GOST = Environment.GetEnvironmentVariable("GOST");
if (GOST == null || GOST == "")
{
System.Console.WriteLine("ERROR:Missing GOST env variable. Process Exit.");
}
else
{
settings.GOST = GOST;
}
string DatabasePath = Environment.GetEnvironmentVariable("DatabasePath");
if (DatabasePath == null || DatabasePath == "")
{
System.Console.WriteLine("ERROR:Missing DatabasePath env variable. Process Exit.");
}
else
{
settings.DatabasePath = DatabasePath;
}
string SettingsFile = Environment.GetEnvironmentVariable("SettingsFile");
if (SettingsFile == null || SettingsFile == "")
{
System.Console.WriteLine("ERROR:Missing SettingsFile env variable. Process Exit.");
}
else
{
settings.SettingsFile = SettingsFile;
}
List <DatastreamControl> dsc = new List <DatastreamControl>();
ManagedMqttClient mlSend = (ManagedMqttClient) new MqttFactory().CreateManagedMqttClient();
// Setup and start a managed MQTT client.
var optionsSend = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(5))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(System.Guid.NewGuid().ToString())
.WithKeepAlivePeriod(TimeSpan.FromSeconds(120))
.WithCommunicationTimeout(TimeSpan.FromSeconds(60))
.WithTcpServer(settings.MQTTServerAddress)
.Build())
.Build();
mlSend.StartAsync(optionsSend).Wait();
using (StreamReader r = new StreamReader(settings.SettingsFile))
{
string json = r.ReadToEnd();
dynamic simulations = JsonConvert.DeserializeObject(json);
foreach (var item in simulations.simulation)
{
string datastreamID = "99999999999";
OGCServiceCatalogue.ManageDataStreams mds = new OGCServiceCatalogue.ManageDataStreams();
if (mds.FindOrCreateOGCDatastream(item.thing, item.sensor, item.observedProperties, item.datastream, ref datastreamID))
{
DatastreamControl sim = new DatastreamControl();
sim.Start(datastreamID, settings.DatabasePath + item.simulationFile, mlSend);
dsc.Add(sim);
}
Console.WriteLine("{0} {1}", item.temp, item.vcc);
}
}
CreateWebHostBuilder(args).Build().Run();
System.Console.ReadLine();
foreach (DatastreamControl sim in dsc)
{
sim.stopped = true;
}
}