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Merge pull request #76 from Cysharp/dotnet6_add_nats
.NET 6 and Nats support
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| Original file line number | Diff line number | Diff line change |
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@@ -5,3 +5,7 @@ services: | |
| image: "redis:6.2.1" | ||
| ports: | ||
| - "6379:6379" | ||
| nats: | ||
| image: nats | ||
| ports: | ||
| - 4222:4222 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <ImplicitUsings>enable</ImplicitUsings> | ||
| <Nullable>enable</Nullable> | ||
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| <!-- NuGet Packaging --> | ||
| <PackageTags>pubsub;eventaggregator</PackageTags> | ||
| <Description>Nats IDistributedPublisher/Subscriber provider for MessagePipe.</Description> | ||
| <SignAssembly>true</SignAssembly> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <None Include="Icon.png" Pack="true" PackagePath="/" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="AlterNats" Version="0.0.2" /> | ||
| <PackageReference Include="MessagePack" Version="2.3.85" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\MessagePipe\MessagePipe.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,11 @@ | ||
| namespace MessagePipe.Nats; | ||
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| public sealed class MessagePipeNatsOptions | ||
| { | ||
| public NatsConnectionFactory NatsConnectionFactory { get; } | ||
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| public MessagePipeNatsOptions(NatsConnectionFactory connectionFactory) | ||
| { | ||
| NatsConnectionFactory = connectionFactory; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,28 @@ | ||
| using AlterNats; | ||
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| namespace MessagePipe.Nats; | ||
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| public class NatsConnectionFactory | ||
| { | ||
| readonly NatsOptions options; | ||
| NatsConnection? connection; | ||
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| public NatsConnectionFactory() : this(NatsOptions.Default) { } | ||
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| public NatsConnectionFactory(NatsOptions options) | ||
| { | ||
| this.options = options; | ||
| } | ||
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| public async ValueTask<NatsConnection> GetConnectionAsync() | ||
| { | ||
| connection ??= new NatsConnection(options); | ||
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| if (connection.ConnectionState == NatsConnectionState.Closed) | ||
| { | ||
| await connection.ConnectAsync(); | ||
| } | ||
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| return connection; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,38 @@ | ||
| using AlterNats; | ||
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| namespace MessagePipe.Nats; | ||
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| public sealed class NatsPublisher<TKey, TMessage> : IDistributedPublisher<TKey, TMessage> | ||
| { | ||
| readonly NatsConnectionFactory connectionFactory; | ||
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| public NatsPublisher( | ||
| NatsConnectionFactory connectionFactory) | ||
| { | ||
| this.connectionFactory = connectionFactory; | ||
| } | ||
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| public async ValueTask PublishAsync(TKey key, TMessage message, CancellationToken cancellationToken = new CancellationToken()) | ||
| { | ||
| var natsKey = GetNatsKey(key); | ||
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| if (natsKey == null) throw new ArgumentNullException(nameof(key)); | ||
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| var connection = await connectionFactory.GetConnectionAsync(); | ||
| await connection.PublishAsync(natsKey.Value, message); | ||
| } | ||
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| NatsKey? GetNatsKey(TKey key) | ||
| { | ||
| switch (key) | ||
| { | ||
| case NatsKey natsKey: | ||
| return natsKey; | ||
| case string s: | ||
| return new NatsKey(s); | ||
| default: | ||
| var k = key?.ToString(); | ||
| return k != null ? new NatsKey(k) : null; | ||
| } | ||
| } | ||
| } |
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