Created new project: DTLib.Web

DTLib.Demystifier

@@ -1 +1 @@
-Subproject commit b19c39b68463ae15c1f63051583da9f74d97baac
+Subproject commit bb96774c37ef7b636139872b972e5252076bc913

DTLib.Logging.Microsoft/DTLib.Logging.Microsoft.csproj

@@ -13,7 +13,7 @@
         <!--compilation properties-->
         <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
         <!--language features-->
-        <LangVersion>12</LangVersion>
+        <LangVersion>latest</LangVersion>
         <Nullable>disable</Nullable>
         <ImplicitUsings>disable</ImplicitUsings>
     </PropertyGroup>

DTLib.Web/DTLib.Web.csproj

@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+    <PropertyGroup>
+        <!--package info-->
+        <PackageId>DTLib.Web</PackageId>
+        <Version>1.0.0</Version>
+        <Authors>Timerix</Authors>
+        <Description>HTTP Server with simple routing</Description>
+        <RepositoryType>GIT</RepositoryType>
+        <RepositoryUrl>https://timerix.ddns.net:3322/Timerix/DTLib</RepositoryUrl>
+        <PackageProjectUrl>https://timerix.ddns.net:3322/Timerix/DTLib</PackageProjectUrl>
+        <Configuration>Release</Configuration>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <!--compilation properties-->
+        <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+        <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
+        <!--language features-->
+        <LangVersion>latest</LangVersion>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>
+    </PropertyGroup>
+
+    <!--DTLib dependencies-->
+    <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
+        <ProjectReference Include="..\DTLib\DTLib.csproj" />
+    </ItemGroup>
+    <ItemGroup Condition=" '$(Configuration)' != 'Debug' ">
+        <PackageReference Include="DTLib" Version="1.6.*" />
+    </ItemGroup>
+</Project>

DTLib.Web/Routes/DelegateRoute.cs

@@ -0,0 +1,6 @@
+namespace DTLib.Web.Routes;
+
+public class DelegateRoute(Func<HttpListenerContext, Task<HttpStatusCode>> routeHandler) : Route
+{
+    public override Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx) => routeHandler(ctx);
+}

DTLib.Web/Routes/Route.cs

@@ -0,0 +1,6 @@
+namespace DTLib.Web.Routes;
+
+public abstract class Route
+{
+    public abstract Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx);
+}

DTLib.Web/Routes/ServeFilesRoute.cs

@@ -0,0 +1,33 @@
+namespace DTLib.Web.Routes;
+
+public class ServeFilesRoute(IOPath _publicDir, string _homePageUrl = "index.html") : Route
+{
+    public override async Task<HttpStatusCode> HandleRequest(HttpListenerContext ctx)
+    {
+        if (ctx.Request.HttpMethod != "GET")
+            return HttpStatusCode.BadRequest;
+
+        string requestPath = ctx.Request.Url?.AbsolutePath ?? "/";
+        if (requestPath == "/")
+            requestPath = _homePageUrl;
+        string ext = Path.Extension(requestPath).Str;
+        IOPath filePath = Path.Concat(_publicDir, requestPath);
+        if (!File.Exists(filePath)) 
+            return HttpStatusCode.NotFound;
+        
+        string contentType = ext switch
+        {
+            "html" => "text/html",
+            "css" => "text/css",
+            "js" or "jsx" or "ts" or "tsx" or "map" => "text/javascript",
+            _ => "binary/octet-stream"
+        };
+        ctx.Response.Headers.Set("Content-Type", contentType);
+        ctx.Response.Headers.Set("Content-Disposition", "attachment filename=" + filePath.LastName());
+        
+        var fileStream = File.OpenRead(filePath);
+        ctx.Response.ContentLength64 = fileStream.Length;
+        await fileStream.CopyToAsync(ctx.Response.OutputStream);
+        return HttpStatusCode.OK;
+    }
+}

DTLib.Web/WebApp.cs

@@ -0,0 +1,99 @@
+global using System;
+global using System.Collections.Generic;
+global using System.Text;
+global using System.Threading;
+global using System.Threading.Tasks;
+global using DTLib;
+global using DTLib.Demystifier;
+global using DTLib.Filesystem;
+global using DTLib.Logging;
+global using System.Net;
+using DTLib.Web.Routes;
+
+namespace DTLib.Web;
+
+internal class WebApp
+{
+    /// route for base url
+    public Route? HomePageRoute = null;
+    /// route for any url that doesn't have its own handler
+    public Route? DefaultRoute = null;
+
+    private ContextLogger _logger;
+    private string _baseUrl;
+    private CancellationToken _stopToken;
+    private Dictionary<string, Route> routes = new();
+    
+    public WebApp(ILogger logger, string baseUrl, CancellationToken stopToken)
+    {
+        _logger = new ContextLogger(nameof(WebApp), logger);
+        _baseUrl = baseUrl;
+        _stopToken = stopToken;
+    }
+
+    public async Task Run()
+    {
+        _logger.LogInfo($"starting webserver at {_baseUrl} ...");
+        HttpListener server = new HttpListener();
+        server.Prefixes.Add(_baseUrl);
+        server.Start();
+        _logger.LogInfo("server started");
+        long requestId = 0;
+        while (!_stopToken.IsCancellationRequested)
+        {
+            var ctx = await server.GetContextAsync();
+            HandleRequestAsync(ctx, requestId);
+            requestId++;
+        }
+            
+        // stop
+        server.Stop();
+        _logger.LogInfo("server stopped");
+    }
+
+    // ReSharper disable once AsyncVoidMethod
+    private async void HandleRequestAsync(HttpListenerContext ctx, long requestId)
+    {
+        string logContext = $"Request {requestId}";
+        try
+        {
+            _logger.LogInfo(logContext, $"[{ctx.Request.HttpMethod}] {ctx.Request.RawUrl} from {ctx.Request.RemoteEndPoint} ...");
+            var status = await Resolve(ctx);
+            _logger.LogInfo(logContext, status);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarn(logContext, ex);
+        }
+    }
+    
+    
+    public void MapRoute(string url, Func<HttpListenerContext, Task<HttpStatusCode>> route)
+        => MapRoute(url, new DelegateRoute(route));
+
+    public void MapRoute(string url, Route route) => routes.Add(url, route);
+    
+    public async Task<HttpStatusCode> Resolve(HttpListenerContext ctx)
+    {
+        string requestPath = ctx.Request.Url?.AbsolutePath ?? "/"; 
+        Route? route;
+        if(HomePageRoute != null && requestPath == "/")
+            route = HomePageRoute;
+        else if (routes.TryGetValue(requestPath, out var routeDelegate))
+            route = routeDelegate;
+        else route = DefaultRoute;
+
+        HttpStatusCode status;
+        if (route == null)
+        {
+            _logger.LogWarn("couldn't resolve request path {requestPath}");
+            status = HttpStatusCode.NotFound;
+        }
+        else status = await route.HandleRequest(ctx);
+
+        ctx.Response.StatusCode = (int)status;
+        await ctx.Response.OutputStream.FlushAsync(_stopToken);
+        ctx.Response.OutputStream.Close();
+        return status;
+    }
+}

DTLib.XXHash

@@ -1 +1 @@
-Subproject commit 895d53d362c83b114c9ca06467d2e24d407190c3
+Subproject commit 9360dfe30549732bb95d16268218a6458d2229b3

DTLib.sln

@@ -22,6 +22,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DTLib.Logging.Microsoft", "
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DTLib.XXHash", "DTLib.XXHash\DTLib.XXHash\DTLib.XXHash.csproj", "{C7029741-816D-41B2-A2C4-E20565B1739D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DTLib.Web", "DTLib.Web\DTLib.Web.csproj", "{9A3220EB-CCED-4172-9BD4-C3700FF36539}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -44,6 +46,10 @@ Global
 		{C7029741-816D-41B2-A2C4-E20565B1739D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C7029741-816D-41B2-A2C4-E20565B1739D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C7029741-816D-41B2-A2C4-E20565B1739D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9A3220EB-CCED-4172-9BD4-C3700FF36539}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9A3220EB-CCED-4172-9BD4-C3700FF36539}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9A3220EB-CCED-4172-9BD4-C3700FF36539}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9A3220EB-CCED-4172-9BD4-C3700FF36539}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

DTLib/DTLib.csproj

@@ -14,7 +14,7 @@
 		<TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
 		<AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
 		<!--language features-->
-		<LangVersion>12</LangVersion>
+		<LangVersion>latest</LangVersion>
 		<ImplicitUsings>disable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 		<CheckForOverflowUnderflow>False</CheckForOverflowUnderflow>

pack.sh

@@ -16,7 +16,7 @@ function build_package() {
 
 packages_to_build="$@"
 if [ -z "$packages_to_build" ]; then
-    packages_to_build='DTLib.Demystifier DTLib.XXHash DTLib DTLib.Logging.Microsoft'
+    packages_to_build='DTLib.Demystifier DTLib.XXHash DTLib DTLib.Logging.Microsoft DTLib.Web'
 fi
 echo "building packages $packages_to_build"
 for p in $packages_to_build; do