using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Caching;
using NewLife.Data;
using NewLife.Serialization;
using Stardust.Models;
using XCode;
using XCode.Membership;
namespace Stardust.Data;
/// <summary>应用性能。保存应用上报的性能数据，如CPU、内存、线程、句柄等</summary>
public partial class AppMeter : Entity<AppMeter>
{
#region 对象操作
static AppMeter()
{
Meta.Factory.Table.DataTable.InsertOnly = true;
// 累加字段，生成 Update xx Set Count=Count+1234 Where xxx
//var df = Meta.Factory.AdditionalFields;
//df.Add(nameof(AppId));
// 过滤器 UserModule、TimeModule、IPModule
Meta.Modules.Add<TimeModule>();
Meta.Modules.Add<IPModule>();
}
/// <summary>验证并修补数据，通过抛出异常的方式提示验证失败。</summary>
/// <param name="isNew">是否插入</param>
public override void Valid(Boolean isNew)
{
// 如果没有脏数据，则不需要进行任何处理
if (!HasDirty) return;
// 建议先调用基类方法，基类方法会做一些统一处理
base.Valid(isNew);
// 在新插入数据或者修改了指定字段时进行修正
//if (isNew && !Dirtys[nameof(CreateTime)]) CreateTime = DateTime.Now;
//if (isNew && !Dirtys[nameof(CreateIP)]) CreateIP = ManageProvider.UserHost;
}
#endregion
#region 扩展属性
/// <summary>应用</summary>
[XmlIgnore, ScriptIgnore, IgnoreDataMember]
public App App => Extends.Get(nameof(App), k => App.FindById(AppId));
/// <summary>应用</summary>
[Map(__.AppId, typeof(App), "Id")]
public String AppName => App?.Name;
#endregion
#region 扩展查询
/// <summary>根据编号查找</summary>
/// <param name="id">编号</param>
/// <returns>实体对象</returns>
public static AppMeter FindById(Int64 id)
{
if (id <= 0) return null;
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Id == id);
// 单对象缓存
return Meta.SingleCache[id];
//return Find(_.Id == id);
}
/// <summary>根据应用、编号查找</summary>
/// <param name="appId">应用</param>
/// <param name="id">编号</param>
/// <returns>实体列表</returns>
public static IList<AppMeter> FindAllByAppIdAndId(Int32 appId, Int64 id)
{
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppId == appId && e.Id == id);
return FindAll(_.AppId == appId & _.Id == id);
}
/// <summary>根据应用、实例查找</summary>
/// <param name="appId">应用</param>
/// <param name="clientId">实例</param>
/// <returns>实体列表</returns>
public static IList<AppMeter> FindAllByAppIdAndClientId(Int32 appId, String clientId)
{
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppId == appId && e.ClientId.EqualIgnoreCase(clientId));
return FindAll(_.AppId == appId & _.ClientId == clientId);
}
#endregion
#region 高级查询
/// <summary>高级查询</summary>
/// <param name="appId">应用</param>
/// <param name="clientId">客户端标识</param>
/// <param name="start">开始时间</param>
/// <param name="end">结束时间</param>
/// <param name="key">关键字</param>
/// <param name="page">分页参数信息。可携带统计和数据权限扩展查询等信息</param>
/// <returns>实体列表</returns>
public static IList<AppMeter> Search(Int32 appId, String clientId, DateTime start, DateTime end, String key, PageParameter page)
{
var exp = new WhereExpression();
if (appId >= 0) exp &= _.AppId == appId;
if (!clientId.IsNullOrEmpty() && clientId != "null") exp &= _.ClientId == clientId;
exp &= _.Id.Between(start, end, Meta.Factory.Snow);
if (!key.IsNullOrEmpty()) exp &= _.ClientId.Contains(key) | _.Creator.Contains(key) | _.CreateIP.Contains(key);
return FindAll(exp, page);
}
private static readonly ICache _cache = new MemoryCache { Expire = 600 };
/// <summary>获取某个应用下的客户端数</summary>
/// <param name="appId"></param>
/// <returns></returns>
public static IDictionary<String, String> GetClientIds(Int32 appId)
{
var dic = new Dictionary<String, String>();
if (appId <= 0) return dic;
// TryGet能够扛缓存穿透，即使没有数据，也写入空数据
var key = $"field:{appId}";
if (_cache.TryGetValue<IDictionary<String, String>>(key, out var value)) return value;
// 计算应用的ClientIds时，采取Id降序，较新活跃的客户端在前面
var exp = new WhereExpression();
exp &= _.AppId == appId & _.Id >= Meta.Factory.Snow.GetId(DateTime.Today.AddMonths(-1));
var list = FindAll(exp.GroupBy(_.ClientId), null, _.Id.Count() & _.ClientId);
value = list.OrderByDescending(e => e.Id).ToDictionary(e => e.ClientId ?? "null", e => $"{e.ClientId}({e.Id})");
_cache.Set(key, value);
return value;
}
// Select Count(Id) as Id,Category From AppMeter Where CreateTime>'2020-01-24 00:00:00' Group By Category Order By Id Desc limit 20
//static readonly FieldCache<AppMeter> _CategoryCache = new FieldCache<AppMeter>(nameof(Category))
//{
//Where = _.CreateTime > DateTime.Today.AddDays(-30) & Expression.Empty
//};
///// <summary>获取类别列表，字段缓存10分钟，分组统计数据最多的前20种，用于魔方前台下拉选择</summary>
///// <returns></returns>
//public static IDictionary<String, String> GetCategoryList() => _CategoryCache.FindAllName();
#endregion
#region 业务操作
/// <summary>更新信息</summary>
/// <param name="app"></param>
/// <param name="info"></param>
/// <param name="clientId"></param>
/// <param name="ip"></param>
public static void WriteData(App app, AppInfo info, String source, String clientId, String ip)
{
// 兼容旧版时间
var dt = DateTime.Now;
if (info.Time > 0) dt = info.Time.ToDateTime().ToLocalTime();
// 插入节点数据
var data = new AppMeter
{
AppId = app.Id,
ClientId = clientId,
Source = source,
Memory = (Int32)(info.WorkingSet / 1024 / 1024),
ProcessorTime = info.ProcessorTime,
CpuUsage = Math.Round(info.CpuUsage, 4),
Threads = info.Threads,
WorkerThreads = info.WorkerThreads,
IOThreads = info.IOThreads,
Handles = info.Handles,
Connections = info.Connections,
GCPause = Math.Round(info.GCPause, 4),
FullGC = info.FullGC,
Time = dt,
//Data = info.ToJson(),
CreateTime = DateTime.Now,
Creator = Environment.MachineName,
CreateIP = ip,
};
if (info.Time > 0 && dt.Year > 2000)
{
data.Id = AppMeter.Meta.Factory.Snow.NewId(dt, app.Id);
}
data.SaveAsync();
}
/// <summary>删除指定日期之前的数据</summary>
/// <param name="date"></param>
/// <returns></returns>
public static Int32 DeleteBefore(DateTime date) => Delete(_.Id < Meta.Factory.Snow.GetId(date));
#endregion
}
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