Implemented restorer, wired up for basic testing. Improved abstractions and fixed observer pattern issues

This commit is contained in:
2025-07-26 23:19:57 +02:00
parent 84b3d1caf6
commit b546a168d2
17 changed files with 355 additions and 97 deletions

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@@ -2,8 +2,8 @@ namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public interface IConsole : IServerComponent
{
public IAsyncObservable<string> OnOutput { get; }
public IAsyncObservable<string> OnInput { get; }
public IObservable<string> OnOutput { get; }
public IObservable<string> OnInput { get; }
public Task AttachToRuntime();
public Task AttachToInstallation();

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@@ -2,7 +2,8 @@ namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public interface IInstaller : IServerComponent
{
public IAsyncObservable<object> OnExited { get; set; }
public IObservable<object> OnExited { get; }
public bool IsRunning { get; }
public Task Start();
public Task Abort();

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@@ -2,7 +2,8 @@ namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public interface IProvisioner : IServerComponent
{
public IAsyncObservable<object> OnExited { get; set; }
public IObservable<object> OnExited { get; }
public bool IsProvisioned { get; }
public Task Provision();
public Task Start();

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@@ -2,7 +2,7 @@ namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public interface IStatistics : IServerComponent
{
public IAsyncObservable<ServerStats> Stats { get; }
public IAsyncObservable<ServerStats> OnStats { get; }
public Task SubscribeToRuntime();
public Task SubscribeToInstallation();

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@@ -1,3 +1,4 @@
using System.Reactive.Subjects;
using MoonlightServers.Daemon.ServerSystem;
using Stateless;
@@ -12,11 +13,14 @@ public class Server : IAsyncDisposable
public IRestorer Restorer { get; private set; }
public IStatistics Statistics { get; private set; }
public StateMachine<ServerState, ServerTrigger> StateMachine { get; private set; }
public ServerContext Context { get; private set; }
public IObservable<ServerState> OnState => OnStateSubject;
private readonly Subject<ServerState> OnStateSubject = new();
private readonly ILogger<Server> Logger;
private IAsyncDisposable? ProvisionExitSubscription;
private IAsyncDisposable? InstallerExitSubscription;
private IDisposable? ProvisionExitSubscription;
private IDisposable? InstallerExitSubscription;
public Server(
ILogger<Server> logger,
@@ -26,7 +30,7 @@ public class Server : IAsyncDisposable
IProvisioner provisioner,
IRestorer restorer,
IStatistics statistics,
StateMachine<ServerState, ServerTrigger> stateMachine
ServerContext context
)
{
Logger = logger;
@@ -36,7 +40,7 @@ public class Server : IAsyncDisposable
Provisioner = provisioner;
Restorer = restorer;
Statistics = statistics;
StateMachine = stateMachine;
Context = context;
}
public async Task Initialize()
@@ -74,20 +78,22 @@ public class Server : IAsyncDisposable
CreateStateMachine(restoredState);
// Setup event handling
ProvisionExitSubscription = await Provisioner.OnExited.SubscribeAsync(async o =>
ProvisionExitSubscription = Provisioner.OnExited.Subscribe(o =>
{
await StateMachine.FireAsync(ServerTrigger.Exited);
StateMachine.Fire(ServerTrigger.Exited);
});
InstallerExitSubscription = await Installer.OnExited.SubscribeAsync(async o =>
InstallerExitSubscription = Installer.OnExited.Subscribe(o =>
{
await StateMachine.FireAsync(ServerTrigger.Exited);
StateMachine.Fire(ServerTrigger.Exited);
});
}
private void CreateStateMachine(ServerState initialState)
{
StateMachine = new StateMachine<ServerState, ServerTrigger>(initialState, FiringMode.Queued);
StateMachine.OnTransitioned(transition => OnStateSubject.OnNext(transition.Destination));
// Configure basic state machine flow
@@ -120,7 +126,10 @@ public class Server : IAsyncDisposable
// Handle transitions
StateMachine.Configure(ServerState.Starting)
.OnActivateAsync(HandleStart);
.OnEntryAsync(HandleStart);
StateMachine.Configure(ServerState.Stopping)
.OnEntryFromAsync(ServerTrigger.Stop, HandleStop);
}
#region State machine handlers
@@ -136,7 +145,7 @@ public class Server : IAsyncDisposable
// 4. Provision the container
// 5. Attach console to container
// 6. Start the container
// 1. Fetch latest configuration from panel
// TODO: Implement
@@ -153,14 +162,14 @@ public class Server : IAsyncDisposable
await Console.WriteToMoonlight("Mounting storage");
await FileSystem.Mount();
}
// 4. Provision the container
await Console.WriteToMoonlight("Provisioning runtime");
await Provisioner.Provision();
// 5. Attach console to container
await Console.AttachToRuntime();
// 6. Start the container
await Provisioner.Start();
}
@@ -169,16 +178,21 @@ public class Server : IAsyncDisposable
Logger.LogError(e, "An error occured while starting the server");
}
}
private async Task HandleStop()
{
await Provisioner.Stop();
}
#endregion
public async ValueTask DisposeAsync()
{
if (ProvisionExitSubscription != null)
await ProvisionExitSubscription.DisposeAsync();
ProvisionExitSubscription.Dispose();
if (InstallerExitSubscription != null)
await InstallerExitSubscription.DisposeAsync();
InstallerExitSubscription.Dispose();
await Console.DisposeAsync();
await FileSystem.DisposeAsync();

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@@ -2,9 +2,8 @@ using MoonlightServers.Daemon.Models.Cache;
namespace MoonlightServers.Daemon.ServerSys.Abstractions;
public record ServerMeta
public record ServerContext
{
public ServerConfiguration Configuration { get; set; }
public IServiceCollection ServiceCollection { get; set; }
public IServiceProvider ServiceProvider { get; set; }
public AsyncServiceScope ServiceScope { get; set; }
}