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improved client livetime events

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This commit is contained in:
JanEggers
2017-10-02 22:55:46 +02:00
parent c7b7d56229
commit 3079ad37ce
10 changed files with 71 additions and 53 deletions
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MQTTnet.Core/Server/MqttClientSessionsManager.cs
+28 -8
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@@ -25,16 +25,18 @@ namespace MQTTnet.Core.Server
public event EventHandler<MqttApplicationMessageReceivedEventArgs> ApplicationMessageReceived;
public event EventHandler<MqttClientConnectedEventArgs> ClientConnected;
public event EventHandler<MqttClientDisconnectedEventArgs> ClientDisconnected;
public MqttClientRetainedMessagesManager RetainedMessagesManager { get; }
public async Task RunClientSessionAsync(MqttClientConnectedEventArgs eventArgs)
public async Task RunClientSessionAsync(IMqttCommunicationAdapter clientAdapter)
{
var clientId = string.Empty;
try
{
if (!(await eventArgs.ClientAdapter.ReceivePacketAsync(_options.DefaultCommunicationTimeout, CancellationToken.None).ConfigureAwait(false) is MqttConnectPacket connectPacket))
if (!(await clientAdapter.ReceivePacketAsync(_options.DefaultCommunicationTimeout, CancellationToken.None).ConfigureAwait(false) is MqttConnectPacket connectPacket))
{
throw new MqttProtocolViolationException("The first packet from a client must be a 'CONNECT' packet [MQTT-3.1.0-1].");
}
@@ -42,12 +44,12 @@ namespace MQTTnet.Core.Server
clientId = connectPacket.ClientId;
// Switch to the required protocol version before sending any response.
eventArgs.ClientAdapter.PacketSerializer.ProtocolVersion = connectPacket.ProtocolVersion;
clientAdapter.PacketSerializer.ProtocolVersion = connectPacket.ProtocolVersion;
var connectReturnCode = ValidateConnection(connectPacket);
if (connectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
{
await eventArgs.ClientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, CancellationToken.None, new MqttConnAckPacket
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, CancellationToken.None, new MqttConnAckPacket
{
ConnectReturnCode = connectReturnCode
}).ConfigureAwait(false);
@@ -57,13 +59,19 @@ namespace MQTTnet.Core.Server
var clientSession = GetOrCreateClientSession(connectPacket);
await eventArgs.ClientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, CancellationToken.None, new MqttConnAckPacket
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, CancellationToken.None, new MqttConnAckPacket
{
ConnectReturnCode = connectReturnCode,
IsSessionPresent = clientSession.IsExistingSession
}).ConfigureAwait(false);
await clientSession.Session.RunAsync(eventArgs.Identifier, connectPacket.WillMessage, eventArgs.ClientAdapter).ConfigureAwait(false);
ClientConnected?.Invoke(this, new MqttClientConnectedEventArgs(new ConnectedMqttClient
{
ClientId = clientId,
ProtocolVersion = clientAdapter.PacketSerializer.ProtocolVersion
}));
await clientSession.Session.RunAsync(connectPacket.WillMessage, clientAdapter).ConfigureAwait(false);
}
catch (Exception exception)
{
@@ -71,8 +79,20 @@ namespace MQTTnet.Core.Server
}
finally
{
await eventArgs.ClientAdapter.DisconnectAsync(_options.DefaultCommunicationTimeout).ConfigureAwait(false);
ClientDisconnected?.Invoke(this, new MqttClientDisconnectedEventArgs(clientId, eventArgs.ClientAdapter));
try
{
await clientAdapter.DisconnectAsync(_options.DefaultCommunicationTimeout).ConfigureAwait(false);
}
catch (Exception)
{
//ignored
}
ClientDisconnected?.Invoke(this, new MqttClientDisconnectedEventArgs(new ConnectedMqttClient
{
ClientId = clientId,
ProtocolVersion = clientAdapter.PacketSerializer.ProtocolVersion
}));
}
}