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Add support for retained application messages

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This commit is contained in:
Christian Kratky
2017-09-30 18:42:41 +02:00
parent 3cce33415d
commit 862f76fea2
24 changed files with 454 additions and 235 deletions
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MQTTnet.Core/Server/MqttServer.cs
+14 -6
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@@ -23,6 +23,7 @@ namespace MQTTnet.Core.Server
_clientSessionsManager = new MqttClientSessionsManager(options);
_clientSessionsManager.ApplicationMessageReceived += (s, e) => ApplicationMessageReceived?.Invoke(s, e);
_clientSessionsManager.ClientDisconnected += OnClientDisconnected;
}
public IList<ConnectedMqttClient> GetConnectedClients()
@@ -31,7 +32,7 @@ namespace MQTTnet.Core.Server
}
public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
public event EventHandler<MqttClientDisconnectedEventArgs> ClientDisconnected;
public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
public void Publish(MqttApplicationMessage applicationMessage)
@@ -44,28 +45,29 @@ namespace MQTTnet.Core.Server
public void InjectClient(string identifier, IMqttCommunicationAdapter adapter)
{
if (adapter == null) throw new ArgumentNullException(nameof(adapter));
if (_cancellationTokenSource == null) throw new InvalidOperationException("The MQTT server is not started.");
OnClientConnected(this, new MqttClientConnectedEventArgs(identifier, adapter));
}
public void Start()
public async Task StartAsync()
{
if (_cancellationTokenSource != null) throw new InvalidOperationException("The MQTT server is already started.");
_cancellationTokenSource = new CancellationTokenSource();
await _clientSessionsManager.RetainedMessagesManager.LoadMessagesAsync();
foreach (var adapter in _adapters)
{
adapter.ClientConnected += OnClientConnected;
adapter.Start(_options);
await adapter.StartAsync(_options);
}
MqttTrace.Information(nameof(MqttServer), "Started.");
}
public void Stop()
public async Task StopAsync()
{
_cancellationTokenSource?.Cancel(false);
_cancellationTokenSource?.Dispose();
@@ -74,7 +76,7 @@ namespace MQTTnet.Core.Server
foreach (var adapter in _adapters)
{
adapter.ClientConnected -= OnClientConnected;
adapter.Stop();
await adapter.StopAsync();
}
_clientSessionsManager.Clear();
@@ -89,5 +91,11 @@ namespace MQTTnet.Core.Server
Task.Run(() => _clientSessionsManager.RunClientSessionAsync(eventArgs), _cancellationTokenSource.Token);
}
private void OnClientDisconnected(object sender, MqttClientDisconnectedEventArgs eventArgs)
{
MqttTrace.Information(nameof(MqttServer), "Client '{0}': Disconnected.", eventArgs.Identifier);
ClientDisconnected?.Invoke(this, eventArgs);
}
}
}