/// <summary>
/// 接收消息前，可用于重写Filter
/// </summary>
/// <returns>是否过滤掉</returns>
protected virtual bool Filter(GameSession session, GameProtoHandlerInfo handler)
{
if (!handler.AllowAnonymous && !session.IsAuthorized)
{
return(true);
}
return(false);
}
/// <summary>
/// 消息驱动，通过消息实体名找处理函数
/// </summary>
private void ReflectProtocols()
{
foreach (var type in Assembly.GetEntryAssembly().ExportedTypes)
{
if (type.GetTypeInfo().BaseType == typeof(GameController))
{
_services.AddTransient(typeof(GameController), type);
}
}
var provider = _services.BuildServiceProvider();
var controllers = provider.GetServices <GameController>();
foreach (var controller in controllers)
{
Type type = controller.GetType();
controller.Server = this;
_controllers.Add(type, controller);
MethodInfo[] methods = type.GetMethods(BindingFlags.Public | BindingFlags.DeclaredOnly | BindingFlags.Instance);
foreach (var methodInfo in methods)
{
if (methodInfo.IsSpecialName || !methodInfo.Name.StartsWith("Call_"))
{
continue;
}
if (methodInfo.ReturnType != typeof(int))
{
_logger.LogWarning($"Method handler [{controller.GetType().Name}.{methodInfo.Name}] has wrong return type!");
continue;
}
ParameterInfo[] parameterInfos = methodInfo.GetParameters();
bool allowanonymous = methodInfo.GetCustomAttribute <AllowAnonymousAttribute>() != null;
if (parameterInfos.Length > 2 || parameterInfos.Length < 1)
{
_logger.LogWarning($"Protocol Handler {controller.GetType().Name }.{methodInfo.Name} parameters count wrong!");
}
else
{
List <Type> parameterTypes = new List <Type>();
foreach (var p in parameterInfos)
{
parameterTypes.Add(p.ParameterType);
}
var requestType = parameterTypes.FirstOrDefault(x => x != typeof(GameSession));
if (requestType == null)
{
_logger.LogWarning($"Protocol Handler {controller.GetType().Name }.{methodInfo.Name} parameters not contains request entity!");
continue;
}
String cmd = requestType.Name;
Type methodGenericType;
GameProtoHandlerParameters paramSeq;
if (parameterTypes.Count == 1)
{
methodGenericType = typeof(Func <,>);
paramSeq = GameProtoHandlerParameters.Request;
}
else
{
methodGenericType = typeof(Func <, ,>);
if (parameterTypes[0] == typeof(GameSession))
{
paramSeq = GameProtoHandlerParameters.GameSessionAndRequest;
}
else
{
paramSeq = GameProtoHandlerParameters.RequestAndGameSession;
}
}
parameterTypes.Add(typeof(int));
Type methodType = methodGenericType.MakeGenericType(parameterTypes.ToArray());
Delegate actionMethod = Delegate.CreateDelegate(methodType, controller, methodInfo);
var handler = new GameProtoHandlerInfo()
{
CMD = cmd,
MethodInfo = methodInfo,
ProcessAction = actionMethod,
RequestType = requestType,
Controller = controller,
AllowAnonymous = allowanonymous,
ParameterTypes = paramSeq
};
GameProtoHandlerInfo oldhandler = null;
if (!_handlers.TryGetValue(handler.CMD, out oldhandler))
{
_handlers.Add(handler.CMD, handler);
_serializer.Register(requestType);
}
else
{
_logger.LogWarning($"Request CMD [{handler.CMD}] in [{handler.Controller.GetType().Name }.{handler.MethodInfo.Name}] already declared in method: [{oldhandler.Controller.GetType().Name }.{oldhandler.MethodInfo.Name}]");
}
}
}
}
foreach (var controller in controllers)
{
controller.RegisterEvents();
}
}
public GameRequestTask(GameProtoHandlerInfo handler, GameSession session, Object entity)
: base(session)
{
Handler = handler;
Entity = entity;
}