76 lines
2.5 KiB
C#
76 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Server
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{
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public class Configuration
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{
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private static Configuration m_Configuration;
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public static Configuration Instance => m_Configuration ??= ReadConfiguration();
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[JsonPropertyName("dataDirectories")]
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public List<string> DataDirectories { get; set; } = new List<string>();
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private static string FilePath => Path.Join(Core.BaseDirectory, "modernuo.json");
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private static void PromptDataDirectories(Configuration config)
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{
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Console.WriteLine("Please enter the Ultima Online directory:");
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string directory;
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do
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{
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Console.Write("> ");
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directory = Console.ReadLine();
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} while (!Directory.Exists(directory));
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config.DataDirectories.Add(directory);
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}
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private static Configuration ReadConfiguration()
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{
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string relPath = new Uri($"{Core.BaseDirectory}/").MakeRelativeUri(new Uri(FilePath)).ToString();
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Console.Write($"Reading configuration from {relPath}...");
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Configuration config;
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if (File.Exists(FilePath))
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{
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using FileStream fs = new FileStream(FilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
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Span<byte> configBytes = stackalloc byte[(int)fs.Length];
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fs.Read(configBytes);
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config = JsonSerializer.Deserialize<Configuration>(Utility.UTF8WithEncoding.GetString(configBytes));
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Console.WriteLine("done");
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}
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else
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{
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Console.WriteLine("not found");
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config = new Configuration();
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}
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// TODO: Extend with a config read verification function that can be extended.
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if (config.DataDirectories.Count == 0)
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{
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PromptDataDirectories(config);
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config.Flush();
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}
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return config;
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}
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public void Flush()
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{
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using FileStream fs = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write);
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string configJson = JsonSerializer.Serialize(this, new JsonSerializerOptions {WriteIndented = true});
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Span<byte> data = stackalloc byte[Utility.UTF8WithEncoding.GetMaxByteCount(configJson.Length)];
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int bytesWritten = Utility.UTF8WithEncoding.GetBytes(configJson, data);
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fs.Write(data.Slice(0, bytesWritten));
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Console.ForegroundColor = ConsoleColor.Green;
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Console.WriteLine($"Configuration saved to {FilePath}");
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Console.ResetColor();
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}
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}
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}
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