/// <summary>
/// 扩展MessageDispatcherComponent类,添加了Handle方法
/// </summary>
/// <param name="self">消息分发处理组件</param>
/// <param name="session">会话实体</param>
/// <param name="messageInfo">包含协议号和proto实体的对象</param>
public static void Handle(this MessageDispatcherComponent self, Session session, MessageInfo messageInfo)
{
List <IMHandler> actions;
//通过协议号获取到缓存的处理对象(继承自IMHandler的) 如果是空 则说明我们开发的时候 并没有写这条协议的处理方法
if (!self.Handlers.TryGetValue(messageInfo.Opcode, out actions))
{
Log.Error($"消息没有处理: {messageInfo.Opcode} {JsonHelper.ToJson(messageInfo.Message)}");
return;
}
//如果获取到 就进行遍历
//因为一条协议 可能有多个对象要进行处理 所以以列表缓存所有要处理的方法
foreach (IMHandler ev in actions)
{
try
{
//调用IMHandler对象的Handle方法
ev.Handle(session, messageInfo.Message);
}
catch (Exception e)
{
Log.Error(e);
}
}
}
public static void Load(this MessageDispatcherComponent self)
{
self.Handlers.Clear();
HashSet <Type> types = Game.EventSystem.GetTypes(typeof(MessageHandlerAttribute));
foreach (Type type in types)
{
IMHandler iMHandler = Activator.CreateInstance(type) as IMHandler;
if (iMHandler == null)
{
Log.Error($"message handle {type.Name} 需要继承 IMHandler");
continue;
}
Type messageType = iMHandler.GetMessageType();
ushort opcode = OpcodeTypeComponent.Instance.GetOpcode(messageType);
if (opcode == 0)
{
Log.Error($"消息opcode为0: {messageType.Name}");
continue;
}
self.RegisterHandler(opcode, iMHandler);
}
}
public static void RegisterHandler(this MessageDispatcherComponent self, ushort opcode, IMHandler handler)
{
if (!self.Handlers.ContainsKey(opcode))
{
self.Handlers.Add(opcode, new List <IMHandler>());
}
self.Handlers[opcode].Add(handler);
}
public static void Load(this MessageDispatcherComponent self)
{
self.Handlers.Clear();
//获取到配置的appType 在服务器启动的时候有缓存
AppType appType = StartConfigComponent.Instance.StartConfig.AppType;
//获取到所有加了MessageHandler特性的类型
List <Type> types = Game.EventSystem.GetTypes(typeof(MessageHandlerAttribute));
//对获取到的类型进行遍历
foreach (Type type in types)
{ //获取该类型自定义的属性
object[] attrs = type.GetCustomAttributes(typeof(MessageHandlerAttribute), false);
if (attrs.Length == 0)
{ //如果属性的个数是0 遍历下一个元素
continue;
}
//如果第一个属性是MessageHandler
MessageHandlerAttribute messageHandlerAttribute = attrs[0] as MessageHandlerAttribute;
if (!messageHandlerAttribute.Type.Is(appType))
{ //判断它的type参数,如果不等于当前的appType 继续遍历下一个元素 如果类型一致 下面要对其进行缓存的
continue;
}
//根据类型,创建实例实例 判断实例如果继承了IMHandler的接口
IMHandler iMHandler = Activator.CreateInstance(type) as IMHandler;
if (iMHandler == null)
{
Log.Error($"message handle {type.Name} 需要继承 IMHandler");
continue;
}
//通过接口内部的GetMessageType方法 获取到要处理的proto类型 因为我们是继承自AMHanlde 所以实际是获取AMHanlde里的GetMessageType
Type messageType = iMHandler.GetMessageType();
//通过类型获取协议号
ushort opcode = Game.Scene.GetComponent <OpcodeTypeComponent>().GetOpcode(messageType);
if (opcode == 0)
{ //异常 协议号都是自动生成的 不可能为0
Log.Error($"消息opcode为0: {messageType.Name}");
continue;
}
//注册 也就是缓存起来 同时将协议ID与处理的实例关联起来 .... 说简单点就是创建个字典 添加到字典内部去
self.RegisterHandler(opcode, iMHandler);
}
}
public static void Handle(this MessageDispatcherComponent self, Session session, MessageInfo messageInfo)
{
List <IMHandler> actions;
if (!self.Handlers.TryGetValue(messageInfo.Opcode, out actions))
{
Log.Error($"消息没有处理: {messageInfo.Opcode} {JsonHelper.ToJson(messageInfo.Message)}");
return;
}
foreach (IMHandler ev in actions)
{
try
{
ev.Handle(session, messageInfo.Message);
}
catch (Exception e)
{
Log.Error(e);
}
}
}
public static void Load(this MessageDispatcherComponent self)
{
self.Handlers.Clear();
AppType appType = StartConfigComponent.Instance.StartConfig.AppType;
List <Type> types = Game.EventSystem.GetTypes(typeof(MessageHandlerAttribute));
foreach (Type type in types)
{
object[] attrs = type.GetCustomAttributes(typeof(MessageHandlerAttribute), false);
if (attrs.Length == 0)
{
continue;
}
MessageHandlerAttribute messageHandlerAttribute = attrs[0] as MessageHandlerAttribute;
if (!messageHandlerAttribute.Type.Is(appType))
{
continue;
}
IMHandler iMHandler = Activator.CreateInstance(type) as IMHandler;
if (iMHandler == null)
{
Log.Error($"message handle {type.Name} 需要继承 IMHandler");
continue;
}
Type messageType = iMHandler.GetMessageType();
ushort opcode = Game.Scene.GetComponent <OpcodeTypeComponent>().GetOpcode(messageType);
if (opcode == 0)
{
Log.Error($"消息opcode为0: {messageType.Name}");
continue;
}
self.RegisterHandler(opcode, iMHandler);
}
}
