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Add extension methods.

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This commit is contained in:
Christian Kratky
2019-04-07 19:58:01 +02:00
parent dbee941dcc
commit 61b10a8b56
11 changed files with 300 additions and 180 deletions
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Source/MQTTnet/Server/MqttServerExtensions.cs
+37 -1
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@@ -2,14 +2,46 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using MQTTnet.Client;
using MQTTnet.Client.Publishing;
using MQTTnet.Client.Receiving;
using MQTTnet.Protocol;
namespace MQTTnet.Server
{
public static class MqttServerExtensions
{
public static IMqttServer UseApplicationMessageReceivedHandler(this IMqttServer server, Func<MqttApplicationMessageReceivedEventArgs, Task> handler)
{
if (server == null) throw new ArgumentNullException(nameof(server));
if (handler == null)
{
return server.UseApplicationMessageReceivedHandler((IMqttApplicationMessageReceivedHandler)null);
}
return server.UseApplicationMessageReceivedHandler(new MqttApplicationMessageReceivedHandlerDelegate(handler));
}
public static IMqttServer UseApplicationMessageReceivedHandler(this IMqttServer server, Action<MqttApplicationMessageReceivedEventArgs> handler)
{
if (server == null) throw new ArgumentNullException(nameof(server));
if (handler == null)
{
return server.UseApplicationMessageReceivedHandler((IMqttApplicationMessageReceivedHandler)null);
}
return server.UseApplicationMessageReceivedHandler(new MqttApplicationMessageReceivedHandlerDelegate(handler));
}
public static IMqttServer UseApplicationMessageReceivedHandler(this IMqttServer server, IMqttApplicationMessageReceivedHandler handler)
{
if (server == null) throw new ArgumentNullException(nameof(server));
server.ApplicationMessageReceivedHandler = handler;
return server;
}
public static Task SubscribeAsync(this IMqttServer server, string clientId, params TopicFilter[] topicFilters)
{
if (server == null) throw new ArgumentNullException(nameof(server));
@@ -120,12 +152,16 @@ namespace MQTTnet.Server
public static Task<MqttClientPublishResult> PublishAsync(this IMqttServer server, Func<MqttApplicationMessageBuilder, MqttApplicationMessageBuilder> builder, CancellationToken cancellationToken)
{
if (server == null) throw new ArgumentNullException(nameof(server));
var message = builder(new MqttApplicationMessageBuilder()).Build();
return server.PublishAsync(message, cancellationToken);
}
public static Task<MqttClientPublishResult> PublishAsync(this IMqttServer server, Func<MqttApplicationMessageBuilder, MqttApplicationMessageBuilder> builder)
{
if (server == null) throw new ArgumentNullException(nameof(server));
var message = builder(new MqttApplicationMessageBuilder()).Build();
return server.PublishAsync(message, CancellationToken.None);
}