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Fixed event/observer issues

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This commit is contained in:
ChiaraBm
2025-07-30 17:12:21 +02:00
parent bb81ca9674
commit eaf8c36f7f
8 changed files with 113 additions and 87 deletions
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2
MoonlightServers.Daemon/MoonlightServers.Daemon.csproj
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@@ -9,7 +9,7 @@
<ItemGroup>
<PackageReference Include="Docker.DotNet" Version="3.125.15" />
<PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.2.0" />
<PackageReference Include="MoonCore" Version="1.9.3" />
<PackageReference Include="MoonCore" Version="1.9.4" />
<PackageReference Include="MoonCore.Extended" Version="1.3.6" />
<PackageReference Include="MoonCore.Unix" Version="1.0.8" />
<PackageReference Include="SharpZipLib" Version="1.4.2" />

53
MoonlightServers.Daemon/ServerSys/Abstractions/Server.cs
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@@ -1,6 +1,6 @@
using System.Reactive.Linq;
using System.Reactive.Subjects;
using MoonCore.Observability;
using MoonlightServers.Daemon.Extensions;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.ServerSystem;
using Stateless;
@@ -8,17 +8,17 @@ namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public class Server : IAsyncDisposable
{
public IConsole Console { get; private set; }
public IFileSystem FileSystem { get; private set; }
public IInstaller Installer { get; private set; }
public IProvisioner Provisioner { get; private set; }
public IRestorer Restorer { get; private set; }
public IStatistics Statistics { get; private set; }
public IConsole Console { get; }
public IFileSystem FileSystem { get; }
public IInstaller Installer { get; }
public IProvisioner Provisioner { get; }
public IRestorer Restorer { get; }
public IStatistics Statistics { get; }
public StateMachine<ServerState, ServerTrigger> StateMachine { get; private set; }
public ServerContext Context { get; private set; }
public IAsyncObservable<ServerState> OnState => OnStateSubject.ToAsyncObservable();
public ServerContext Context { get; }
public IAsyncObservable<ServerState> OnState => OnStateSubject;
private readonly Subject<ServerState> OnStateSubject = new();
private readonly EventSubject<ServerState> OnStateSubject = new();
private readonly ILogger<Server> Logger;
private IAsyncDisposable? ProvisionExitSubscription;
@@ -80,22 +80,22 @@ public class Server : IAsyncDisposable
CreateStateMachine(restoredState);
// Setup event handling
ProvisionExitSubscription = await Provisioner.OnExited.SubscribeAsync(async o =>
{
await StateMachine.FireAsync(ServerTrigger.Exited);
});
ProvisionExitSubscription = await Provisioner.OnExited.SubscribeEventAsync(async _ =>
await StateMachine.FireAsync(ServerTrigger.Exited)
);
InstallerExitSubscription = await Installer.OnExited.SubscribeAsync(async o =>
{
await StateMachine.FireAsync(ServerTrigger.Exited);
});
InstallerExitSubscription = await Installer.OnExited.SubscribeEventAsync(async _ =>
await StateMachine.FireAsync(ServerTrigger.Exited)
);
}
private void CreateStateMachine(ServerState initialState)
{
StateMachine = new StateMachine<ServerState, ServerTrigger>(initialState, FiringMode.Queued);
StateMachine.OnTransitioned(transition => OnStateSubject.OnNext(transition.Destination));
StateMachine.OnTransitionedAsync(async transition
=> await OnStateSubject.OnNextAsync(transition.Destination)
);
// Configure basic state machine flow
@@ -187,6 +187,9 @@ public class Server : IAsyncDisposable
catch (Exception e)
{
Logger.LogError(e, "An error occured while starting the server");
await Console.WriteToMoonlight("Failed to start the server. More details can be found in the daemon logs");
await StateMachine.FireAsync(ServerTrigger.FailSafe);
}
}
@@ -204,6 +207,8 @@ public class Server : IAsyncDisposable
}
private async Task HandleInstall()
{
try
{
Logger.LogDebug("Installing");
@@ -226,6 +231,14 @@ public class Server : IAsyncDisposable
await Installer.Start();
}
catch (Exception e)
{
Logger.LogError(e, "An error occured while starting installation");
await Console.WriteToMoonlight("An error occured while starting installation");
await StateMachine.FireAsync(ServerTrigger.FailSafe);
}
}
private async Task HandleInstallExit()
{

17
MoonlightServers.Daemon/ServerSys/Implementations/DockerConsole.cs
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@@ -4,17 +4,19 @@ using System.Text;
using Docker.DotNet;
using Docker.DotNet.Models;
using MoonCore.Helpers;
using MoonCore.Observability;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.ServerSys.Abstractions;
namespace MoonlightServers.Daemon.ServerSys.Implementations;
public class DockerConsole : IConsole
{
public IAsyncObservable<string> OnOutput => OnOutputSubject.ToAsyncObservable();
public IAsyncObservable<string> OnInput => OnInputSubject.ToAsyncObservable();
public IAsyncObservable<string> OnOutput => OnOutputSubject;
public IAsyncObservable<string> OnInput => OnInputSubject;
private readonly Subject<string> OnOutputSubject = new();
private readonly Subject<string> OnInputSubject = new();
private readonly EventSubject<string> OnOutputSubject = new();
private readonly EventSubject<string> OnInputSubject = new();
private readonly ConcurrentList<string> OutputCache = new();
private readonly DockerClient DockerClient;
@@ -140,15 +142,14 @@ public class DockerConsole : IConsole
return Task.CompletedTask;
}
public Task WriteToOutput(string content)
public async Task WriteToOutput(string content)
{
OutputCache.Add(content);
if (OutputCache.Count > 250) // TODO: Config
OutputCache.RemoveRange(0, 100);
OnOutputSubject.OnNext(content);
return Task.CompletedTask;
await OnOutputSubject.OnNextAsync(content);
}
public async Task WriteToInput(string content)
@@ -164,6 +165,8 @@ public class DockerConsole : IConsole
contentBuffer.Length,
Cts.Token
);
await OnInputSubject.OnNextAsync(content);
}
public async Task WriteToMoonlight(string content)

19
MoonlightServers.Daemon/ServerSys/Implementations/DockerInstaller.cs
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@@ -2,7 +2,10 @@ using System.Reactive.Linq;
using System.Reactive.Subjects;
using Docker.DotNet;
using Docker.DotNet.Models;
using MoonCore.Observability;
using MoonlightServers.Daemon.Configuration;
using MoonlightServers.Daemon.Extensions;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.Mappers;
using MoonlightServers.Daemon.ServerSys.Abstractions;
using MoonlightServers.Daemon.Services;
@@ -11,10 +14,10 @@ namespace MoonlightServers.Daemon.ServerSys.Implementations;
public class DockerInstaller : IInstaller
{
public IAsyncObservable<object> OnExited => OnExitedSubject.ToAsyncObservable();
public IAsyncObservable<object> OnExited => OnExitedSubject;
public bool IsRunning { get; private set; } = false;
private readonly Subject<Message> OnExitedSubject = new();
private readonly EventSubject<Message> OnExitedSubject = new();
private readonly ILogger<DockerInstaller> Logger;
private readonly DockerEventService EventService;
@@ -64,7 +67,7 @@ public class DockerInstaller : IInstaller
ContainerEventSubscription = await EventService
.OnContainerEvent
.SubscribeAsync(HandleContainerEvent);
.SubscribeEventAsync(HandleContainerEvent);
// Check for any already existing runtime container to reclaim
Logger.LogDebug("Searching for orphan container to reclaim");
@@ -82,19 +85,17 @@ public class DockerInstaller : IInstaller
}
}
private ValueTask HandleContainerEvent(Message message)
private async ValueTask HandleContainerEvent(Message message)
{
// Only handle events for our own container
if (message.ID != ContainerId)
return ValueTask.CompletedTask;
return;
// Only handle die events
if (message.Action != "die")
return ValueTask.CompletedTask;
return;
OnExitedSubject.OnNext(message);
return ValueTask.CompletedTask;
await OnExitedSubject.OnNextAsync(message);
}
public Task Sync()

19
MoonlightServers.Daemon/ServerSys/Implementations/DockerProvisioner.cs
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@@ -3,6 +3,9 @@ using System.Reactive.Linq;
using System.Reactive.Subjects;
using Docker.DotNet;
using Docker.DotNet.Models;
using MoonCore.Observability;
using MoonlightServers.Daemon.Extensions;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.Mappers;
using MoonlightServers.Daemon.ServerSys.Abstractions;
using MoonlightServers.Daemon.Services;
@@ -11,7 +14,7 @@ namespace MoonlightServers.Daemon.ServerSys.Implementations;
public class DockerProvisioner : IProvisioner
{
public IAsyncObservable<object> OnExited => OnExitedSubject.ToAsyncObservable();
public IAsyncObservable<object> OnExited => OnExitedSubject;
public bool IsProvisioned { get; private set; }
private readonly DockerClient DockerClient;
@@ -23,7 +26,7 @@ public class DockerProvisioner : IProvisioner
private readonly ServerConfigurationMapper Mapper;
private readonly IFileSystem FileSystem;
private Subject<object> OnExitedSubject = new();
private EventSubject<object> OnExitedSubject = new();
private string? ContainerId;
private string ContainerName;
@@ -56,7 +59,7 @@ public class DockerProvisioner : IProvisioner
ContainerEventSubscription = await EventService
.OnContainerEvent
.SubscribeAsync(HandleContainerEvent);
.SubscribeEventAsync(HandleContainerEvent);
// Check for any already existing runtime container to reclaim
Logger.LogDebug("Searching for orphan container to reclaim");
@@ -74,19 +77,17 @@ public class DockerProvisioner : IProvisioner
}
}
private ValueTask HandleContainerEvent(Message message)
private async ValueTask HandleContainerEvent(Message message)
{
// Only handle events for our own container
if (message.ID != ContainerId)
return ValueTask.CompletedTask;
return;
// Only handle die events
if (message.Action != "die")
return ValueTask.CompletedTask;
return;
OnExitedSubject.OnNext(message);
return ValueTask.CompletedTask;
await OnExitedSubject.OnNextAsync(message);
}
public Task Sync()

8
MoonlightServers.Daemon/ServerSys/Implementations/DockerStatistics.cs
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@@ -1,14 +1,14 @@
using System.Reactive.Linq;
using System.Reactive.Subjects;
using MoonCore.Observability;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.ServerSys.Abstractions;
namespace MoonlightServers.Daemon.ServerSys.Implementations;
public class DockerStatistics : IStatistics
{
public IAsyncObservable<ServerStats> OnStats => OnStatsSubject.ToAsyncObservable();
public IAsyncObservable<ServerStats> OnStats => OnStatsSubject;
private readonly Subject<ServerStats> OnStatsSubject = new();
private readonly EventSubject<ServerStats> OnStatsSubject = new();
public Task Initialize()
=> Task.CompletedTask;

22
MoonlightServers.Daemon/Services/DockerEventService.cs
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@@ -3,6 +3,8 @@ using System.Reactive.Linq;
using System.Reactive.Subjects;
using Docker.DotNet;
using Docker.DotNet.Models;
using MoonCore.Observability;
using MoonlightServers.Daemon.Helpers;
namespace MoonlightServers.Daemon.Services;
@@ -11,13 +13,13 @@ public class DockerEventService : BackgroundService
private readonly ILogger<DockerEventService> Logger;
private readonly DockerClient DockerClient;
public IAsyncObservable<Message> OnContainerEvent => OnContainerSubject.ToAsyncObservable().ObserveOn(TaskPoolAsyncScheduler.Default);
public IAsyncObservable<Message> OnImageEvent => OnImageSubject.ToAsyncObservable().ObserveOn(TaskPoolAsyncScheduler.Default);
public IAsyncObservable<Message> OnNetworkEvent => OnNetworkSubject.ToAsyncObservable().ObserveOn(TaskPoolAsyncScheduler.Default);
public IAsyncObservable<Message> OnContainerEvent => OnContainerSubject;
public IAsyncObservable<Message> OnImageEvent => OnImageSubject;
public IAsyncObservable<Message> OnNetworkEvent => OnNetworkSubject;
private readonly Subject<Message> OnContainerSubject = new();
private readonly Subject<Message> OnImageSubject = new();
private readonly Subject<Message> OnNetworkSubject = new();
private readonly EventSubject<Message> OnContainerSubject = new();
private readonly EventSubject<Message> OnImageSubject = new();
private readonly EventSubject<Message> OnNetworkSubject = new();
public DockerEventService(
ILogger<DockerEventService> logger,
@@ -38,22 +40,22 @@ public class DockerEventService : BackgroundService
{
await DockerClient.System.MonitorEventsAsync(
new ContainerEventsParameters(),
new Progress<Message>(message =>
new Progress<Message>(async message =>
{
try
{
switch (message.Type)
{
case "container":
OnContainerSubject.OnNext(message);
await OnContainerSubject.OnNextAsync(message);
break;
case "image":
OnImageSubject.OnNext(message);
await OnImageSubject.OnNextAsync(message);
break;
case "network":
OnNetworkSubject.OnNext(message);
await OnNetworkSubject.OnNextAsync(message);
break;
}
}

10
MoonlightServers.Daemon/Startup.cs
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@@ -11,7 +11,9 @@ using MoonCore.Extended.Extensions;
using MoonCore.Extensions;
using MoonCore.Helpers;
using MoonCore.Logging;
using MoonCore.Observability;
using MoonlightServers.Daemon.Configuration;
using MoonlightServers.Daemon.Extensions;
using MoonlightServers.Daemon.Helpers;
using MoonlightServers.Daemon.Http.Hubs;
using MoonlightServers.Daemon.Mappers;
@@ -108,9 +110,13 @@ public class Startup
var server = factory.CreateServer(config);
await using var consoleSub = await server.Console.OnOutput
.SubscribeAsync(Console.Write);
.SubscribeEventAsync(line =>
{
Console.Write(line);
return ValueTask.CompletedTask;
});
await using var stateSub = await server.OnState.SubscribeAsync(state =>
await using var stateSub = await server.OnState.SubscribeEventAsync(state =>
{
Console.WriteLine($"State: {state}");
return ValueTask.CompletedTask;