C # site IP access frequency limit for a single site

Site IP Access frequency limit for a single site

usingSystem;usingSystem.Collections.Generic;usingSystem.IO;//using System.Linq;usingsystem.web;//<summary>//IP Access Frequency control//</summary> Public Static classipcachemanager{/// <summary>    ///IP Cache Collection/// </summary>      Private StaticList<ipcacheinfo> dataList =NewList<ipcacheinfo>(); Private Static ObjectLockobj =New Object(); /// <summary>     ///the maximum number of requests must be greater than or equal to 1 over time/// </summary>     Private Static intMaxtimes =3; /// <summary>     ///length of time (in seconds), must be greater than or equal to 1/// </summary>     Private Static intPartsecond = -; /// <summary>     ///request denied whether to join request number/// </summary>     Private Static BOOLIsfailaddin =false; StaticIpcachemanager () {}/// <summary>     ///set time, default maxtimes=3, partsecond=30/// </summary>     /// <param name= "_maxtimes" >Maximum number of requests</param>     /// <param name= "_partsecond" >Request Unit Time</param>      Public Static voidSetTime (int_maxtimes,int_partsecond) {Maxtimes=_maxtimes; Partsecond=_partsecond; }    /// <summary>     ///detects whether the number of IP requests can continue to be requested over a period of time///and use/// </summary>     /// <param name= "IP" ></param>     /// <returns></returns>      Public Static BOOLCheckisable (stringIP) {        Lock(lockobj) {varitem = Datalist.find (p = = P.ip = =IP); if(Item = =NULL) {Item=NewIpcacheinfo (); Item. IP=IP; Item.                Reqtime.add (DateTime.Now);                Datalist.add (item); return true; }            Else            {                if(item. Reqtime.count >maxtimes) {Item. Reqtime.removeat (0); }                varNowtime =DateTime.Now; if(Isfailaddin) {#regionRequest denied also need to join the requestitem.                    Reqtime.add (Nowtime); if(item. Reqtime.count >=maxtimes) {                        if(item. reqtime[0]. AddSeconds (Partsecond) >nowtime) {                            return false; }                        Else                        {                            return true; }                    }                    Else                    {                        return true; }                    #endregion                }                Else                {                    #regionIf the request is denied, you don't need to join the request.if(item. Reqtime.count >=maxtimes) {                        if(item. reqtime[0]. AddSeconds (Partsecond) >nowtime) {                            return false; }                        Else{item.                            Reqtime.add (Nowtime); return true; }                    }                    Else{item.                        Reqtime.add (Nowtime); return true; }                    #endregion                }            }        }    }} Public classipcacheinfo{ Public stringIP {Get;Set; } PrivateList<datetime> Reqtime =NewList<datetime>();  PublicList<datetime>Reqtime {Get{return  This. Reqtime;} Set{ This. Reqtime =value;} }}

C # site IP access frequency limit for a single site