/// <summary>
/// 检测处理器链表中是否已经存在相同的处理器
/// </summary>
protected bool ExistHandler(HandlerLink link, IMsgHandler msgHandler)
{
while (link != null)
{
if (link.Handler == msgHandler)
{
return(true);
}
link = link.Next;
}
return(false);
}
protected void SendMsg(HandlerLink link, IMsgPack msg)
{
while (link != null)
{
if (link.Handler != null)
{
try {
link.Handler.ProcessMsg(msg);
} catch (System.Exception e) {
this.LOG("SendMsg: " + e.Message);
}
}
link = link.Next;
}
}
/// <summary>
/// 取消指定消息处理器的注册
/// </summary>
/// <param name="msgHandler">要取消注册的消息处理器</param>
public void UnRegister(IMsgHandler msgHandler)
{
if (msgHandler == null)
{
return;
}
int[] keys = msgHandler.MsgIds;
if (keys != null && keys.Length > 0)
{
foreach (int key in keys)
{
if (MsgHandlerMap.ContainsKey(key))
{
HandlerLink link = MsgHandlerMap [key] as HandlerLink;
HandlerLink up = null;
while (link != null)
{
if (link.Handler == msgHandler)
{
link.Handler = null;
if (up != null)
{
up.Next = link.Next;
}
else if (link.Next == null)
{
MsgHandlerMap.Remove(key);
}
else
{
MsgHandlerMap [key] = link.Next;
}
break;
}
else
{
up = link;
link = link.Next;
}
}
}
}
}
}
/// <summary>
/// 注册消息处理服务
/// </summary>
/// <param name="msgHandler">消息处理器对象</param>
public void Register(IMsgHandler msgHandler, int msgID)
{
if (msgHandler == null || msgID == 0)
{
return;
}
HandlerLink link = GetHandlerLink(msgID);
if (link == null)
{
link = new HandlerLink();
link.Handler = msgHandler;
MsgHandlerMap.Add(msgID, link);
}
else if (!ExistHandler(link, msgHandler))
{
while (link.Next != null)
{
link = link.Next;
}
link.Next = new HandlerLink();
link.Next.Handler = msgHandler;
}
}
