59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using SpaceGame.Simulation.Api.Simulation;
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using System.Text.Json;
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var builder = WebApplication.CreateBuilder(args);
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var sseJsonOptions = new JsonSerializerOptions(JsonSerializerDefaults.Web);
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builder.WebHost.UseUrls("http://127.0.0.1:5079");
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builder.Services.AddCors((options) =>
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{
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options.AddDefaultPolicy((policy) =>
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{
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policy
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.AllowAnyHeader()
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.AllowAnyMethod()
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.AllowAnyOrigin();
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});
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});
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builder.Services.AddSingleton<WorldService>();
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builder.Services.AddHostedService<SimulationHostedService>();
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var app = builder.Build();
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app.UseCors();
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app.MapGet("/", () => Results.Redirect("/api/world"));
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app.MapGet("/api/world", (WorldService worldService) => Results.Ok(worldService.GetSnapshot()));
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app.MapGet("/api/world/stream", async (HttpContext httpContext, WorldService worldService, CancellationToken cancellationToken) =>
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{
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httpContext.Response.Headers.Append("Cache-Control", "no-cache");
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httpContext.Response.Headers.Append("Content-Type", "text/event-stream");
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var afterSequenceRaw = httpContext.Request.Query["afterSequence"].ToString();
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_ = long.TryParse(afterSequenceRaw, out var afterSequence);
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var stream = worldService.Subscribe(afterSequence, cancellationToken);
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await httpContext.Response.WriteAsync(": connected\n\n", cancellationToken);
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await httpContext.Response.Body.FlushAsync(cancellationToken);
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await foreach (var delta in stream.ReadAllAsync(cancellationToken))
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{
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var payload = JsonSerializer.Serialize(delta, sseJsonOptions);
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await httpContext.Response.WriteAsync($"event: world-delta\ndata: {payload}\n\n", cancellationToken);
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await httpContext.Response.Body.FlushAsync(cancellationToken);
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}
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});
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app.MapGet("/api/world/health", (WorldService worldService) => Results.Ok(new
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{
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ok = true,
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sequence = worldService.GetStatus().Sequence,
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generatedAtUtc = worldService.GetStatus().GeneratedAtUtc,
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}));
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app.MapPost("/api/world/reset", (WorldService worldService) =>
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{
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var snapshot = worldService.Reset();
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return Results.Ok(snapshot);
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});
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app.Run();
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