138 lines
3.6 KiB
C#
138 lines
3.6 KiB
C#
using System.Reflection;
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using AscNet.Logging;
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using MessagePack;
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namespace AscNet.GameServer
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{
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#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
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[MessagePackObject(false)]
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public class Packet
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{
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[Key(0)]
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public int No;
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[Key(1)]
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public ContentType Type;
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[Key(2)]
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public byte[] Content;
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public enum ContentType
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{
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Request,
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Response,
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Push,
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Exception
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}
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[MessagePackObject(false)]
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public class Request
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{
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[Key(0)]
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public int Id;
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[Key(1)]
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public string Name;
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[Key(2)]
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public byte[] Content;
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public T Deserialize<T>()
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{
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return MessagePackSerializer.Deserialize<T>(Content);
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}
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}
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[MessagePackObject(false)]
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public class Response
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{
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[Key(0)]
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public int Id;
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[Key(1)]
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public string Name;
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[Key(2)]
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public byte[] Content;
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}
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[MessagePackObject(false)]
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public class Push
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{
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[Key(0)]
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public string Name;
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[Key(1)]
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public byte[] Content;
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}
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[MessagePackObject(false)]
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public class Exception
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{
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[Key(0)]
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public int Id;
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[Key(1)]
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public int Code;
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[Key(2)]
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public string Message;
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}
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}
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#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
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[AttributeUsage(AttributeTargets.Method)]
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public class RequestPacketHandler : Attribute
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{
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public string Name { get; }
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public RequestPacketHandler(string name)
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{
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Name = name;
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}
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}
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public delegate void RequestPacketHandlerDelegate(Session session, Packet.Request packet);
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public static class PacketFactory
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{
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public static readonly Dictionary<string, RequestPacketHandlerDelegate> ReqHandlers = new();
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// TODO: Configure based on session?
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static readonly Logger log = new(typeof(PacketFactory), LogLevel.DEBUG, LogLevel.DEBUG);
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public static void LoadPacketHandlers()
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{
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log.LogLevelColor[LogLevel.INFO] = ConsoleColor.White;
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LoadRequestPacketHandlers();
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}
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private static void LoadRequestPacketHandlers()
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{
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log.Info("Loading Packet Handlers...");
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IEnumerable<Type> classes = from t in Assembly.GetExecutingAssembly().GetTypes()
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select t;
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foreach (var method in classes.SelectMany(t => t.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)))
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{
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var attr = method.GetCustomAttribute<RequestPacketHandler>(false);
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if (attr == null || ReqHandlers.ContainsKey(attr.Name))
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continue;
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ReqHandlers.Add(attr.Name, (RequestPacketHandlerDelegate)Delegate.CreateDelegate(typeof(RequestPacketHandlerDelegate), method));
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#if DEBUG
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log.Info($"Loaded {method.Name}");
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#endif
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}
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log.Info("Finished loading packet handlers");
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}
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public static RequestPacketHandlerDelegate? GetRequestPacketHandler(string name)
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{
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ReqHandlers.TryGetValue(name, out RequestPacketHandlerDelegate? handler);
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return handler;
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}
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}
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}
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