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Merge pull request #152 from 0blu/new_command_line_parser
New command line parser and default spell delay to ~30ms
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.CommandLine; | ||
| using System.CommandLine.Builder; | ||
| using System.CommandLine.Parsing; | ||
| using System.Globalization; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Runtime.InteropServices; | ||
| using System.Threading; | ||
|
|
||
| namespace HermesProxy; | ||
|
|
||
| public class Program | ||
| { | ||
| public static int Main(string[] args) | ||
| { | ||
| CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture; | ||
| Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; | ||
|
|
||
| var commandTree = new RootCommand("Hermes Proxy: Allows you to play on legacy WoW server with modern client") | ||
| { | ||
| CommandLineArgumentsTemplate.ConfigFileLocation, | ||
| CommandLineArgumentsTemplate.DisableVersionCheck, | ||
| CommandLineArgumentsTemplate.OverwrittenConfigValues, | ||
| }; | ||
|
|
||
| var parser = new CommandLineBuilder(commandTree) | ||
| .UseHelp() | ||
| .UseParseErrorReporting() | ||
| .Build(); | ||
|
|
||
| commandTree.SetHandler((ctx) => | ||
| { | ||
| var result = ctx.ParseResult; | ||
| var commandLineArguments = new CommandLineArguments | ||
| { | ||
| ConfigFileLocation = result.GetValueForOption(CommandLineArgumentsTemplate.ConfigFileLocation), | ||
| DisableVersionCheck = result.GetValueForOption(CommandLineArgumentsTemplate.DisableVersionCheck), | ||
| OverwrittenConfigValues = ParseMultiArgument(result.GetValueForOption(CommandLineArgumentsTemplate.OverwrittenConfigValues)), | ||
| }; | ||
| Server.ServerMain(commandLineArguments); | ||
| }); | ||
|
|
||
| int exitCode = 1; | ||
| try | ||
| { | ||
| exitCode = parser.Invoke(args); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| Console.WriteLine($"Error occured: {e}"); | ||
| } | ||
|
|
||
| if (OsSpecific.AreWeInOurOwnConsole()) | ||
| { | ||
| // If we would exit immediately the console would close and the user cannot read the error | ||
| // The delay is there if for some reason STDIN is already closed | ||
| Thread.Sleep(TimeSpan.FromSeconds(5)); | ||
|
|
||
| Console.WriteLine("Press any key to close"); | ||
| Console.ReadLine(); | ||
| } | ||
|
|
||
| return exitCode; | ||
| } | ||
|
|
||
| private static Dictionary<string, string> ParseMultiArgument(string[]? multiArgs) | ||
| { | ||
| if (multiArgs == null) | ||
| return new Dictionary<string, string>(); | ||
|
|
||
| var result = new Dictionary<string, string>(); | ||
| foreach (var arg in multiArgs) | ||
| { | ||
| var keyValue = arg.Split('=', 2); | ||
| if (keyValue.Length != 2) | ||
| throw new Exception($"Invalid argument '{arg}'"); | ||
| result[keyValue[0]] = keyValue[1]; | ||
| } | ||
| return result; | ||
| } | ||
|
|
||
| public static class CommandLineArgumentsTemplate | ||
| { | ||
| public static readonly Option<string?> ConfigFileLocation = new( | ||
| name: "--config", | ||
| description: "The config file that will be used", | ||
| isDefault: true, // Must be set so parseArgument can return default value | ||
| parseArgument: result => | ||
| { | ||
| if (result.Tokens.Count == 0) | ||
| return "HermesProxy.config"; | ||
|
|
||
| string? filePath = result.Tokens.Single().Value; | ||
| if (!File.Exists(filePath)) | ||
| { | ||
| result.ErrorMessage = $"Error: config file '{filePath}' does not exist"; | ||
| return null; | ||
| } | ||
|
|
||
| return filePath; | ||
| }); | ||
| public static readonly Option<bool> DisableVersionCheck = new( | ||
| name: "--no-version-check", | ||
| description: "Disables the initial version update check" | ||
| ); | ||
| public static readonly Option<string[]> OverwrittenConfigValues = new( | ||
| name: "--set", | ||
| description: "Overwrites a specific config value. Example: --set ServerAddress=logon.example.com" | ||
| ) { AllowMultipleArgumentsPerToken = true }; | ||
| } | ||
| } | ||
|
|
||
| public class CommandLineArguments | ||
| { | ||
| public string? ConfigFileLocation { init; get; } | ||
| public bool DisableVersionCheck { init; get; } | ||
| public Dictionary<string, string> OverwrittenConfigValues { init; get; } | ||
| } | ||
|
|
||
| internal static class OsSpecific | ||
| { | ||
| /// Checks whenever or not we are in our own console | ||
| /// For example on Windows you can just double click the exe which spawns a new Console Window Host | ||
| public static bool AreWeInOurOwnConsole() | ||
| { | ||
| try | ||
| { | ||
| #if _WINDOWS | ||
| var consoleWindowHandle = GetConsoleWindow(); | ||
| GetWindowThreadProcessId(consoleWindowHandle, out var consoleWindowProcess); | ||
| var weAreTheOwner = (consoleWindowProcess == Environment.ProcessId); | ||
| return weAreTheOwner; | ||
| #else | ||
| return true; | ||
| #endif | ||
| } | ||
| catch | ||
| { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| #if _WINDOWS | ||
| [DllImport("kernel32.dll")] | ||
| static extern IntPtr GetConsoleWindow(); | ||
|
|
||
| [DllImport("user32.dll", SetLastError=true)] | ||
| static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId); | ||
| #endif | ||
| } |
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