public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
// Todo: 解析命令
var userId = context.Request["userid"];
var action = context.Request["action"];
// 生成IAsyncResult对象，调用callback回调，EndProcessRequest才被触发
var result = new CometResult(context, cb, extraData);
if (string.IsNullOrEmpty(userId))
{
result.CallRefresh();
return(result);
}
if (!string.IsNullOrEmpty(action))
{
switch (action)
{
case "logout":
CometRequestManager.Instance.Release(userId);
result.CallLogout();
return(result);
default:
break;
}
}
// 保存IAsyncResult对象
CometRequestManager.Instance.UpdateComet(userId, result);
return(result);
}
public void UpdateComet(string userId, CometResult result)
{
if (TokenTable.ContainsKey(userId))
{
TokenTable[userId] = new CometRequestLifetimeItem(userId, DateTime.Now.AddMinutes(CometLifeTimeMinute),
result);
}
else
{
TokenTable.Add(userId, new CometRequestLifetimeItem(userId, DateTime.Now.AddMinutes(CometLifeTimeMinute), result));
}
}
public CometRequestLifetimeItem(string userId, DateTime lifeTime, CometResult result)
{
UserId = userId;
LifeTime = lifeTime;
CometResult = result;
}