/// <summary>
/// 处理监视消息，从集合中帅选出指定的监视对象并返回
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public WebReturn DealMonitorMessage(WebRequest request)
{
WebReturn webReturn = new WebReturn();
webReturn.Result = true;
webReturn.Code = 0;
try
{
//ListData
//0 Open/Close ( 0 表示关闭，之后不再向列表中添加监视对象；1 表示开启）
//1 Command (指令，0 表示获取监控列表中的对象）
//2 Type ( 0 表示忽略类型）
//3 Name （空表示忽略名称）
//4 Index (跳过指定的个数，可选参数，默认取最后一个）
if (request.ListData == null || request.ListData.Count < 4)
{
webReturn.Result = false;
webReturn.Code = Defines.RET_PARAM_INVALID;
webReturn.Message = string.Format("ListData is null or count invalid");
return(webReturn);
}
mIsRememberObject = request.ListData[0] == "1";
int command;
if (!int.TryParse(request.ListData[1], out command) ||
command != 0)
{
webReturn.Result = false;
webReturn.Code = Defines.RET_PARAM_INVALID;
webReturn.Message = string.Format("Command invalid");
return(webReturn);
}
int type;
if (!int.TryParse(request.ListData[2], out type))
{
webReturn.Result = false;
webReturn.Code = Defines.RET_PARAM_INVALID;
webReturn.Message = string.Format("Type invalid");
return(webReturn);
}
string name = request.ListData[3];
int index = 0;
if (request.ListData.Count >= 4)
{
if (!int.TryParse(request.ListData[4], out index))
{
webReturn.Result = false;
webReturn.Code = Defines.RET_PARAM_INVALID;
webReturn.Message = string.Format("Index invalid");
return(webReturn);
}
}
//加锁，防止对集合的并发操作
lock (mListMonitorObjectLocker)
{
var items = mListMonitorObjects.AsEnumerable();
if (type > 0)
{
items = items.Where(o => o.Type == type);
}
if (!string.IsNullOrEmpty(name))
{
items = items.Where(o => o.Name == name);
}
//反序
items = items.Reverse();
//跳过指定的个数
items = items.Skip(index);
//取最近一个对象
var obj = items.FirstOrDefault();
if (obj == null)
{
webReturn.Result = false;
webReturn.Code = Defines.RET_NOT_EXIST;
webReturn.Message = string.Format("Monitor object not exist");
return(webReturn);
}
webReturn.Data = obj.Data;
}
}
catch (Exception ex)
{
webReturn.Result = false;
webReturn.Code = 1;
webReturn.Message = ex.Message;
}
return(webReturn);
}
