86 lines
2.7 KiB
C#
86 lines
2.7 KiB
C#
using MoonlightServers.Daemon.ServerSystem.Enums;
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using MoonlightServers.Daemon.ServerSystem.Interfaces;
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using MoonlightServers.Daemon.ServerSystem.Models;
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using Stateless;
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namespace MoonlightServers.Daemon.ServerSystem.Handlers;
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public class StartupHandler : IServerStateHandler
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{
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private IAsyncDisposable? ExitSubscription;
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private readonly ServerContext Context;
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private Server Server => Context.Server;
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public StartupHandler(ServerContext context)
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{
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Context = context;
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}
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public async Task ExecuteAsync(StateMachine<ServerState, ServerTrigger>.Transition transition)
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{
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// Filter
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if (transition is not {Source: ServerState.Offline, Destination: ServerState.Starting, Trigger: ServerTrigger.Start})
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return;
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// Plan:
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// 1. Fetch latest configuration
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// 2. Check if file system exists
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// 3. Check if file system is mounted
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// 4. Run file system checks
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// 5. Create runtime
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// 6. Attach console
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// 7. Start runtime
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// 1. Fetch latest configuration
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// TODO
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// Consider moving it out of the startup handler, as other handlers might need
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// the updated config as well or add sorting into the handler registration to ensure they are executing in the correct order.
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// Sort when building server, not when executing handlers
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// 2. Check if file system exists
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if (!await Server.RuntimeFileSystem.CheckExistsAsync())
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await Server.RuntimeFileSystem.CreateAsync();
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// 3. Check if file system is mounted
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if (!await Server.RuntimeFileSystem.CheckMountedAsync())
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await Server.RuntimeFileSystem.CheckMountedAsync();
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// 4. Run file system checks
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await Server.RuntimeFileSystem.PerformChecksAsync();
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// 5. Create runtime
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var hostPath = await Server.RuntimeFileSystem.GetPathAsync();
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if (await Server.Runtime.CheckExistsAsync())
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await Server.Runtime.DestroyAsync();
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await Server.Runtime.CreateAsync(hostPath);
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if (ExitSubscription == null)
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{
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ExitSubscription = await Server.Runtime.SubscribeExited(OnRuntimeExited);
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}
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// 6. Attach console
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await Server.Console.AttachRuntimeAsync();
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// 7. Start runtime
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await Server.Runtime.StartAsync();
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}
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private async ValueTask OnRuntimeExited(int exitCode)
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{
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// TODO: Notify the crash handler component of the exit code
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await Server.StateMachine.FireAsync(ServerTrigger.Exited);
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}
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public async ValueTask DisposeAsync()
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{
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if (ExitSubscription != null)
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await ExitSubscription.DisposeAsync();
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}
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} |