Fix packet identifier which is sent from the server.

This commit is contained in:
Christian
2018-03-25 14:41:12 +02:00
parent 447b2aa2c6
commit 7a9ddfc2b5
14 changed files with 100 additions and 79 deletions
@@ -78,7 +78,7 @@ namespace MQTTnet.Server
throw new InvalidOperationException(); // should not happen
}
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, packet).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { packet }).ConfigureAwait(false);
_logger.Trace<MqttClientPendingMessagesQueue>("Enqueued packet sent (ClientId: {0}).", _clientSession.ClientId);
}
@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using MQTTnet.Adapter;
using MQTTnet.Client;
using MQTTnet.Diagnostics;
using MQTTnet.Exceptions;
using MQTTnet.Internal;
@@ -14,6 +15,7 @@ namespace MQTTnet.Server
{
public sealed class MqttClientSession : IDisposable
{
private readonly MqttPacketIdentifierProvider _packetIdentifierProvider = new MqttPacketIdentifierProvider();
private readonly IMqttServerOptions _options;
private readonly IMqttNetLogger _logger;
private readonly MqttRetainedMessagesManager _retainedMessagesManager;
@@ -129,6 +131,11 @@ namespace MQTTnet.Server
var publishPacket = applicationMessage.ToPublishPacket();
publishPacket.QualityOfServiceLevel = result.QualityOfServiceLevel;
if (publishPacket.QualityOfServiceLevel > 0)
{
publishPacket.PacketIdentifier = _packetIdentifierProvider.GetNewPacketIdentifier();
}
PendingMessagesQueue.Enqueue(publishPacket);
}
@@ -205,7 +212,7 @@ namespace MQTTnet.Server
if (packet is MqttPingReqPacket)
{
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new MqttPingRespPacket());
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { new MqttPingRespPacket() });
}
if (packet is MqttPubRelPacket pubRelPacket)
@@ -215,7 +222,12 @@ namespace MQTTnet.Server
if (packet is MqttPubRecPacket pubRecPacket)
{
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, pubRecPacket.CreateResponse<MqttPubRelPacket>());
var responsePacket = new MqttPubRelPacket
{
PacketIdentifier = pubRecPacket.PacketIdentifier
};
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { responsePacket });
}
if (packet is MqttPubAckPacket || packet is MqttPubCompPacket)
@@ -246,11 +258,11 @@ namespace MQTTnet.Server
private async Task HandleIncomingSubscribePacketAsync(IMqttChannelAdapter adapter, MqttSubscribePacket subscribePacket, CancellationToken cancellationToken)
{
var subscribeResult = await SubscriptionsManager.SubscribeAsync(subscribePacket).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, subscribeResult.ResponsePacket).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { subscribeResult.ResponsePacket }).ConfigureAwait(false);
if (subscribeResult.CloseConnection)
{
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new MqttDisconnectPacket()).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { new MqttDisconnectPacket() }).ConfigureAwait(false);
await StopAsync().ConfigureAwait(false);
}
@@ -260,7 +272,7 @@ namespace MQTTnet.Server
private async Task HandleIncomingUnsubscribePacketAsync(IMqttChannelAdapter adapter, MqttUnsubscribePacket unsubscribePacket, CancellationToken cancellationToken)
{
var unsubscribeResult = await SubscriptionsManager.UnsubscribeAsync(unsubscribePacket).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, unsubscribeResult);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { unsubscribeResult });
}
private async Task EnqueueSubscribedRetainedMessagesAsync(ICollection<TopicFilter> topicFilters)
@@ -302,7 +314,7 @@ namespace MQTTnet.Server
await ApplicationMessageReceivedCallback(this, applicationMessage).ConfigureAwait(false);
var response = new MqttPubAckPacket { PacketIdentifier = publishPacket.PacketIdentifier };
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, response).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { response }).ConfigureAwait(false);
}
private async Task HandleIncomingPublishPacketWithQoS2(IMqttChannelAdapter adapter, MqttApplicationMessage applicationMessage, MqttPublishPacket publishPacket, CancellationToken cancellationToken)
@@ -311,13 +323,13 @@ namespace MQTTnet.Server
await ApplicationMessageReceivedCallback(this, applicationMessage).ConfigureAwait(false);
var response = new MqttPubRecPacket { PacketIdentifier = publishPacket.PacketIdentifier };
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, response).ConfigureAwait(false);
await adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { response }).ConfigureAwait(false);
}
private Task HandleIncomingPubRelPacketAsync(IMqttChannelAdapter adapter, MqttPubRelPacket pubRelPacket, CancellationToken cancellationToken)
{
var response = new MqttPubCompPacket { PacketIdentifier = pubRelPacket.PacketIdentifier };
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, response);
return adapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { response });
}
}
}
@@ -53,10 +53,10 @@ namespace MQTTnet.Server
var connectReturnCode = ValidateConnection(connectPacket);
if (connectReturnCode != MqttConnectReturnCode.ConnectionAccepted)
{
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new MqttConnAckPacket
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { new MqttConnAckPacket
{
ConnectReturnCode = connectReturnCode
}).ConfigureAwait(false);
}}).ConfigureAwait(false);
return;
}
@@ -64,11 +64,11 @@ namespace MQTTnet.Server
var result = await GetOrCreateClientSessionAsync(connectPacket).ConfigureAwait(false);
clientSession = result.Session;
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new MqttConnAckPacket
await clientAdapter.SendPacketsAsync(_options.DefaultCommunicationTimeout, cancellationToken, new[] { new MqttConnAckPacket
{
ConnectReturnCode = connectReturnCode,
IsSessionPresent = result.IsExistingSession
}).ConfigureAwait(false);
}}).ConfigureAwait(false);
ClientConnectedCallback?.Invoke(new ConnectedMqttClient
{
@@ -14,7 +14,7 @@ namespace MQTTnet.Server
private readonly Dictionary<string, MqttQualityOfServiceLevel> _subscriptions = new Dictionary<string, MqttQualityOfServiceLevel>();
private readonly IMqttServerOptions _options;
private readonly string _clientId;
public MqttClientSubscriptionsManager(IMqttServerOptions options, string clientId)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
@@ -30,7 +30,11 @@ namespace MQTTnet.Server
var result = new MqttClientSubscribeResult
{
ResponsePacket = subscribePacket.CreateResponse<MqttSubAckPacket>(),
ResponsePacket = new MqttSubAckPacket
{
PacketIdentifier = subscribePacket.PacketIdentifier
},
CloseConnection = false
};
@@ -87,7 +91,10 @@ namespace MQTTnet.Server
_semaphore.Release();
}
return unsubscribePacket.CreateResponse<MqttUnsubAckPacket>();
return new MqttUnsubAckPacket
{
PacketIdentifier = unsubscribePacket.PacketIdentifier
};
}
public async Task<CheckSubscriptionsResult> CheckSubscriptionsAsync(MqttApplicationMessage applicationMessage)