Twinflow - ASPNET io_uring comparisons

frameworks/aspnet-minimal-twinflow/AppData.cs

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+using System.Text.Json;
+using Npgsql;
+using StackExchange.Redis;
+
+static class AppData
+{
+    public static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        PropertyNameCaseInsensitive = true,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+    };
+
+    public static List<DatasetItem>? DatasetItems;
+
+    public static NpgsqlDataSource? PgDataSource;
+
+    // Optional Redis cache for the crud profile. When REDIS_URL is set,
+    // crud handlers use Redis as a shared cache; otherwise they use the
+    // in-process IMemoryCache. Mirrors hono-bun's pattern so frameworks
+    // can be compared apples-to-apples on the same cache topology.
+    public static IDatabase? RedisDb;
+
+    public static void Load()
+    {
+        LoadDataset();
+        OpenPgPool();
+        OpenRedis();
+    }
+
+    static void LoadDataset()
+    {
+        var path = Environment.GetEnvironmentVariable("DATASET_PATH") ?? "/data/dataset.json";
+        if (!File.Exists(path)) return;
+        DatasetItems = JsonSerializer.Deserialize<List<DatasetItem>>(File.ReadAllText(path), JsonOptions);
+    }
+
+    static void OpenPgPool()
+    {
+        var dbUrl = Environment.GetEnvironmentVariable("DATABASE_URL");
+        if (string.IsNullOrEmpty(dbUrl)) return;
+        try
+        {
+            var uri = new Uri(dbUrl);
+            var userInfo = uri.UserInfo.Split(':');
+            var maxConn = int.TryParse(Environment.GetEnvironmentVariable("DATABASE_MAX_CONN"), out var p) && p > 0 ? p : 256;
+            var minConn = Math.Min(64, maxConn);
+            var connStr = $"Host={uri.Host};Port={uri.Port};Username={userInfo[0]};Password={userInfo[1]};Database={uri.AbsolutePath.TrimStart('/')};Maximum Pool Size={maxConn};Minimum Pool Size={minConn};Multiplexing=true;No Reset On Close=true;Max Auto Prepare=20;Auto Prepare Min Usages=1";
+            var builder = new NpgsqlDataSourceBuilder(connStr);
+            PgDataSource = builder.Build();
+        }
+        catch { }
+    }
+
+    static void OpenRedis()
+    {
+        var redisUrl = Environment.GetEnvironmentVariable("REDIS_URL");
+        if (string.IsNullOrEmpty(redisUrl)) return;
+        try
+        {
+            // REDIS_URL is "redis://host:port" — convert to StackExchange's
+            // "host:port" configuration string.
+            var uri = new Uri(redisUrl);
+            var config = ConfigurationOptions.Parse($"{uri.Host}:{uri.Port}");
+            config.AbortOnConnectFail = false;
+            var muxer = ConnectionMultiplexer.Connect(config);
+            RedisDb = muxer.GetDatabase();
+        }
+        catch { }
+    }
+}

frameworks/aspnet-minimal-twinflow/Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
+WORKDIR /app
+COPY frameworks/aspnet-minimal-twinflow/ .
+COPY data/static/ wwwroot/static/
+RUN dotnet publish -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/aspnet:10.0
+
+
+ADD https://packages.microsoft.com/config/debian/12/packages-microsoft-prod.deb /packages-microsoft-prod.deb
+
+RUN dpkg -i packages-microsoft-prod.deb && rm packages-microsoft-prod.deb \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends libmsquic \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY --from=build /app/out .
+EXPOSE 8080 8081 8082 8443/tcp 8443/udp
+
+ENTRYPOINT ["dotnet", "aspnet-minimal.dll"]