121 lines
4.1 KiB
C#
121 lines
4.1 KiB
C#
using MareSynchronos.API.SignalR;
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using MareSynchronos.Services.Mediator;
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using MareSynchronos.Services.ServerConfiguration;
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using MareSynchronos.WebAPI.SignalR.Utils;
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using MessagePack;
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using MessagePack.Resolvers;
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using Microsoft.AspNetCore.Http.Connections;
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using Microsoft.AspNetCore.SignalR.Client;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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namespace MareSynchronos.WebAPI.SignalR;
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public class HubFactory : MediatorSubscriberBase
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{
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private readonly ILoggerProvider _loggingProvider;
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private readonly ServerConfigurationManager _serverConfigurationManager;
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private readonly TokenProvider _tokenProvider;
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private HubConnection? _instance;
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private bool _isDisposed = false;
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public HubFactory(ILogger<HubFactory> logger, MareMediator mediator,
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ServerConfigurationManager serverConfigurationManager,
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TokenProvider tokenProvider, ILoggerProvider pluginLog) : base(logger, mediator)
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{
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_serverConfigurationManager = serverConfigurationManager;
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_tokenProvider = tokenProvider;
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_loggingProvider = pluginLog;
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}
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public async Task DisposeHubAsync()
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{
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if (_instance == null || _isDisposed) return;
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Logger.LogDebug("Disposing current HubConnection");
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_isDisposed = true;
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_instance.Closed -= HubOnClosed;
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_instance.Reconnecting -= HubOnReconnecting;
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_instance.Reconnected -= HubOnReconnected;
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await _instance.StopAsync().ConfigureAwait(false);
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await _instance.DisposeAsync().ConfigureAwait(false);
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_instance = null;
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Logger.LogDebug("Current HubConnection disposed");
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}
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public HubConnection GetOrCreate(CancellationToken ct)
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{
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if (!_isDisposed && _instance != null) return _instance;
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return BuildHubConnection(ct);
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}
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private HubConnection BuildHubConnection(CancellationToken ct)
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{
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Logger.LogDebug("Building new HubConnection");
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_instance = new HubConnectionBuilder()
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.WithUrl(_serverConfigurationManager.CurrentApiUrl + IMareHub.Path, options =>
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{
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options.AccessTokenProvider = () => _tokenProvider.GetOrUpdateToken(ct);
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options.Transports = HttpTransportType.WebSockets | HttpTransportType.ServerSentEvents | HttpTransportType.LongPolling;
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})
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.AddMessagePackProtocol(opt =>
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{
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var resolver = CompositeResolver.Create(StandardResolverAllowPrivate.Instance,
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BuiltinResolver.Instance,
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AttributeFormatterResolver.Instance,
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// replace enum resolver
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DynamicEnumAsStringResolver.Instance,
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DynamicGenericResolver.Instance,
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DynamicUnionResolver.Instance,
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DynamicObjectResolver.Instance,
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PrimitiveObjectResolver.Instance,
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// final fallback(last priority)
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StandardResolver.Instance);
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opt.SerializerOptions =
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MessagePackSerializerOptions.Standard
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.WithCompression(MessagePackCompression.Lz4Block)
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.WithResolver(resolver);
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})
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.WithAutomaticReconnect(new ForeverRetryPolicy(Mediator))
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.ConfigureLogging(a =>
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{
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a.ClearProviders().AddProvider(_loggingProvider);
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a.SetMinimumLevel(LogLevel.Information);
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})
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.Build();
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_instance.Closed += HubOnClosed;
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_instance.Reconnecting += HubOnReconnecting;
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_instance.Reconnected += HubOnReconnected;
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_isDisposed = false;
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return _instance;
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}
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private Task HubOnClosed(Exception? arg)
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{
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Mediator.Publish(new HubClosedMessage(arg));
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return Task.CompletedTask;
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}
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private Task HubOnReconnected(string? arg)
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{
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Mediator.Publish(new HubReconnectedMessage(arg));
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return Task.CompletedTask;
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}
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private Task HubOnReconnecting(Exception? arg)
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{
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Mediator.Publish(new HubReconnectingMessage(arg));
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return Task.CompletedTask;
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}
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} |