mirror of https://github.com/ppy/osu
117 lines
4.1 KiB
C#
117 lines
4.1 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Diagnostics;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.SignalR.Client;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Online.API;
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using osu.Game.Online.Multiplayer;
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namespace osu.Game.Online.Spectator
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{
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public partial class OnlineSpectatorClient : SpectatorClient
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{
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private readonly string endpoint;
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private IHubClientConnector? connector;
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public override IBindable<bool> IsConnected { get; } = new BindableBool();
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private HubConnection? connection => connector?.CurrentConnection;
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public OnlineSpectatorClient(EndpointConfiguration endpoints)
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{
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endpoint = endpoints.SpectatorEndpointUrl;
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}
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[BackgroundDependencyLoader]
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private void load(IAPIProvider api)
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{
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connector = api.GetHubConnector(nameof(SpectatorClient), endpoint);
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if (connector != null)
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{
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connector.ConfigureConnection = connection =>
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{
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// until strong typed client support is added, each method must be manually bound
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// (see https://github.com/dotnet/aspnetcore/issues/15198)
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connection.On<int, SpectatorState>(nameof(ISpectatorClient.UserBeganPlaying), ((ISpectatorClient)this).UserBeganPlaying);
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connection.On<int, FrameDataBundle>(nameof(ISpectatorClient.UserSentFrames), ((ISpectatorClient)this).UserSentFrames);
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connection.On<int, SpectatorState>(nameof(ISpectatorClient.UserFinishedPlaying), ((ISpectatorClient)this).UserFinishedPlaying);
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};
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IsConnected.BindTo(connector.IsConnected);
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}
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}
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protected override async Task BeginPlayingInternal(long? scoreToken, SpectatorState state)
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{
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if (!IsConnected.Value)
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return;
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Debug.Assert(connection != null);
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try
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{
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await connection.InvokeAsync(nameof(ISpectatorServer.BeginPlaySession), scoreToken, state).ConfigureAwait(false);
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}
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catch (Exception exception)
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{
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if (exception.GetHubExceptionMessage() == HubClientConnector.SERVER_SHUTDOWN_MESSAGE)
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{
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Debug.Assert(connector != null);
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await connector.Reconnect().ConfigureAwait(false);
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await BeginPlayingInternal(scoreToken, state).ConfigureAwait(false);
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}
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// Exceptions can occur if, for instance, the locally played beatmap doesn't have a server-side counterpart.
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// For now, let's ignore these so they don't cause unobserved exceptions to appear to the user (and sentry).
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}
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}
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protected override Task SendFramesInternal(FrameDataBundle bundle)
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{
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if (!IsConnected.Value)
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return Task.CompletedTask;
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Debug.Assert(connection != null);
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return connection.SendAsync(nameof(ISpectatorServer.SendFrameData), bundle);
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}
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protected override Task EndPlayingInternal(SpectatorState state)
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{
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if (!IsConnected.Value)
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return Task.CompletedTask;
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Debug.Assert(connection != null);
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return connection.InvokeAsync(nameof(ISpectatorServer.EndPlaySession), state);
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}
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protected override Task WatchUserInternal(int userId)
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{
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if (!IsConnected.Value)
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return Task.CompletedTask;
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Debug.Assert(connection != null);
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return connection.InvokeAsync(nameof(ISpectatorServer.StartWatchingUser), userId);
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}
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protected override Task StopWatchingUserInternal(int userId)
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{
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if (!IsConnected.Value)
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return Task.CompletedTask;
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Debug.Assert(connection != null);
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return connection.InvokeAsync(nameof(ISpectatorServer.EndWatchingUser), userId);
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}
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}
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}
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