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Create HttpServer

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+ Added IHttpLogger to as a log provider to log Http events or errors
 + Added HttpConfiguration to more easily configure the server
 + WebServer.Test project that will be used to test the server
This commit is contained in:
Kaveman
2024-08-12 02:55:12 -07:00
parent 2fd3b929b1
commit 8980b384e7
8 changed files with 170 additions and 0 deletions
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9
WebServer.Test/Program.cs Normal file
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using System;
namespace WebServer.Test {
internal class Program {
internal static void Main(string[] args) {
Console.WriteLine("Hello, World!");
}
}
}

1
WebServer.Test/Views/HelloWorld.txt Normal file
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Hello World!

1
WebServer.Test/Views/Test.cshtml Normal file
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Hello World!

31
WebServer.Test/WebServer.Test.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>disable</ImplicitUsings>
<Nullable>enable</Nullable>
<PublishAot>true</PublishAot>
<InvariantGlobalization>true</InvariantGlobalization>
</PropertyGroup>
<ItemGroup>
<!-- Not entirely sure what this does -->
<None Remove="Views\**" />
<!-- Remove all Razor pages from being compiled in project -->
<Content Remove="Views/**.cshtml" />
<!-- Copy everything from views into output directory-->
<None Include="Views/**">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<!-- Do not compile contents -->
<Compile Remove="Views\**" />
<!-- But, inlude in Editor -->
<Content Include="Views\**" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\WebServer\SimpleWebServer.csproj" />
</ItemGroup>
</Project>

18
WebServer.sln
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# Visual Studio Version 17
VisualStudioVersion = 17.10.35122.118
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SimpleWebServer", "WebServer\WebServer.csproj", "{32E22CD1-CBE3-45E5-BADF-CE83A3096624}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WebServer.Test", "WebServer.Test\WebServer.Test.csproj", "{36053856-E83C-4040-92CD-C825B6D11BD7}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{32E22CD1-CBE3-45E5-BADF-CE83A3096624}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{32E22CD1-CBE3-45E5-BADF-CE83A3096624}.Debug|Any CPU.Build.0 = Debug|Any CPU
{32E22CD1-CBE3-45E5-BADF-CE83A3096624}.Release|Any CPU.ActiveCfg = Release|Any CPU
{32E22CD1-CBE3-45E5-BADF-CE83A3096624}.Release|Any CPU.Build.0 = Release|Any CPU
{36053856-E83C-4040-92CD-C825B6D11BD7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{36053856-E83C-4040-92CD-C825B6D11BD7}.Debug|Any CPU.Build.0 = Debug|Any CPU
{36053856-E83C-4040-92CD-C825B6D11BD7}.Release|Any CPU.ActiveCfg = Release|Any CPU
{36053856-E83C-4040-92CD-C825B6D11BD7}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection

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WebServer/HttpConfiguration.cs Normal file
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using System;
using System.Collections.Generic;
using System.Text;
namespace WebServer {
public class HttpConfiguration {
public bool AutoStart = false;
public ushort Port = 80;
public string DefaultDomain = "localhost"; // The domain that the server will fallback on if the
public bool ShowExceptionOnErrorPages = true; // On InternalServerError(500), should it show the exception?
public ushort MaxConcurrentRequests = 100;
}
}

84
WebServer/HttpServer.cs Normal file
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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
namespace WebServer {
public class HttpServer {
public readonly HttpConfiguration Config;
public readonly DirectoryInfo ViewsDirectory;
public ushort ActivePort { get; protected set; }
public HttpListener HttpListener { get; protected set; }
public IHttpLogger Logger;
Dictionary<string, Dictionary<Regex, Func<HttpListenerRequest, Task<HttpResponse?>>>> HttpCallbacks = new Dictionary<string, Dictionary<Regex, Func<HttpListenerRequest, Task<HttpResponse?>>>>();
/* Instead of three directories (from previous render engine)
* - Public/PublicTemplates (was public static stuff, also allowed views)
* - Static (was used for builds)
* - Views/PrivateTemplates (was used for private views)
* There will be only two:
* - Static - For builds, there should also be a build process for this
* - Views - Site source, including public/private views (views are able to be processed)
*/
public HttpServer(HttpConfiguration config, IHttpLogger logger = null) {
Config = config;
Logger = logger;
ViewsDirectory = new DirectoryInfo(Path.Combine(Environment.CurrentDirectory, "Views"));
if (!ViewsDirectory.Exists)
ViewsDirectory.Create();
if (!string.IsNullOrEmpty(config.DefaultDomain))
ViewsDirectory.CreateSubdirectory(config.DefaultDomain);
if (config.AutoStart)
_ = StartAsync();
}
public async Task StartAsync() {
if (HttpListener?.IsListening == true)
await StopAsync();
HttpListener = new HttpListener() {
IgnoreWriteExceptions = true // Used to crash the server, don't think it is needed anymore
};
HttpListener.Prefixes.Add($"http://+:{Config.Port}/");
HttpListener.Start();
ActivePort = Config.Port;
Logger?.Log($"HTTP Service started on port '{ActivePort}'");
while (HttpListener.IsListening)
await ListenAsync((ListenToken = new CancellationTokenSource()).Token);
}
CancellationTokenSource ListenToken;
public int TasksCount => Tasks.Count;
HashSet<Task> Tasks = new HashSet<Task>();
async Task ListenAsync(CancellationToken token) {
Tasks = new HashSet<Task>(64);
for (int i = 0; i < Tasks.Count; i++) // Create 64 tasks
Tasks.Add(HttpListener.GetContextAsync());
Logger.Log($"Listening with {Tasks.Count} worker(s)");
while (!token.IsCancellationRequested) {
Task t = await Task.WhenAny(Tasks);
Tasks.Remove(t);
if (t is Task<HttpListenerContext> context) {
if (Tasks.Count < Config.MaxConcurrentRequests)
Tasks.Add(HttpListener.GetContextAsync());
Tasks.Add(ProcessRequestAsync(context.Result, token));
}
else Logger.Log($"Got an unexpected task of type '{t.GetType().FullName}'");
}
}
public async Task StopAsync() {
HttpListener.Stop();
ListenToken.Cancel();
}
public async Task ProcessRequestAsync(HttpListenerContext context, CancellationToken token) { }
}
}

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WebServer/IHttpLogger.cs Normal file
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using System;
using System.Collections.Generic;
using System.Net;
using System.Reflection;
using System.Text;
namespace WebServer {
public interface IHttpLogger {
void Log(string message);
void LogRequest(HttpListenerContext context, List<MethodBase> methodsUsed);
void LogError(HttpListenerContext context, List<MethodBase> methodsUsed, Exception exception);
}
}