/// <summary>
/// 获取在线人数
/// </summary>
/// <returns></returns>
public static int GetOnlinePerson()
{
int Flag = 0;
Hashtable hOnline = MemCached.GetCache <Hashtable>("LoginOnline");
if (hOnline != null)
{
Flag = hOnline.Count;
}
return(Flag);
}
/// <summary>
/// 登出系统，清除系统缓存
/// </summary>
/// <param name="UserID">用户ID</param>
public static bool LogoutSystem(string UserID)
{
Hashtable hOnline = MemCached.GetCache <Hashtable>("LoginOnline");
if (hOnline != null)
{
hOnline.Remove(UserID);
MemCached.AddOrReplaceCache <Hashtable>("LoginOnline", hOnline, DateTime.Now.AddYears(1));
return(true);
}
return(false);
}
/// <summary>
/// 登录身份验证
/// </summary>
/// <param name="GUID">登录GUID</param>
/// <param name="UserID">用户ID</param>
/// <returns>返回是否合法</returns>
public static bool LoginedCheck(string GUID, string UserID)
{
bool Flag = true;
Hashtable hOnline = MemCached.GetCache <Hashtable>("LoginOnline");
if (hOnline != null)
{
object Val = hOnline[UserID];
if (Val != null && Val.ToString() == GUID)
{
Flag = true;
}
}
return(Flag);
}
/// <summary>
/// 登录系统
/// </summary>
/// <param name="UserID">用户ID</param>
/// <returns>返回：唯一GUID</returns>
public static string LoginedSetKey(string UserID)
{
//以guid作为用户的唯一标识
string guid = Guid.NewGuid().ToString();
//
Hashtable hOnline = MemCached.GetCache <Hashtable>("LoginOnline");
//Hashtable hOnline = (Hashtable)WebCache.GetCache("LoginOnline");
if (hOnline == null)
{
hOnline = new Hashtable();
}
hOnline[UserID] = guid;
//WebCache.Insert("LoginOnline", hOnline,0);
//MemCached.AddOrReplaceCache<Hashtable>("LoginOnline", hOnline, DateTime.Now.AddYears(1));
return(guid);
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="cmd">指令</param>
/// <param name="args">参数</param>
/// <param name="port">服务器端口</param>
/// <returns></returns>
private static string Exec(CmdEnum cmd, List <string> args, int port)
{
using (var memCached = MemCached.Create(new IPEndPoint(IPAddress.Loopback, port)))
{
switch (cmd)
{
case CmdEnum.get:
if (args.Count != 1)
{
return(string.Empty);
}
try
{
var result = memCached.Get(args[0]);
if (result.Status != OprationStatus.No_Error)
{
return(result.Status.ToString());
}
return(result.Value.ToString());
}
catch
{
return("The Value Is A Unknow Object");
}
case CmdEnum.set:
if (args.Count != 3)
{
return(string.Empty);
}
var state = memCached.Set(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state.ToString());
case CmdEnum.add:
if (args.Count != 3)
{
return(string.Empty);
}
state = memCached.Add(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state.ToString());
case CmdEnum.replace:
if (args.Count != 3)
{
return(string.Empty);
}
state = memCached.Replace(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state.ToString());
case CmdEnum.delete:
if (args.Count != 1)
{
return(string.Empty);
}
state = memCached.Delete(args[0]);
return(state.ToString());
case CmdEnum.flush:
if (args.Count != 1)
{
return(string.Empty);
}
memCached.Flush(TimeSpan.FromSeconds(int.Parse(args[0])));
return("OK");
case CmdEnum.touch:
if (args.Count != 2)
{
return(string.Empty);
}
state = memCached.Touch(args[0], TimeSpan.FromSeconds(int.Parse(args[1])));
return(state.ToString());
case CmdEnum.stat:
var lines = memCached.Stat().Select(item => string.Format("{0} => {1}", item.Key, item.Value));
return(string.Join(Environment.NewLine, lines));
default:
return(string.Empty);
}
}
}
/// <summary>
/// 执行命令
/// </summary>
/// <param name="cmd">指令</param>
/// <param name="args">参数</param>
/// <param name="port">服务器端口</param>
/// <returns></returns>
private static string Exec(CmdEnum cmd, List <string> args, int port)
{
var keyNotExists = "The Key Is Not Exists";
var keyHasExists = "The Key Has Exists";
var ok = "OK";
using (var memCached = MemCached.Create(new IPEndPoint(IPAddress.Loopback, port)))
{
switch (cmd)
{
case CmdEnum.get:
if (args.Count != 1)
{
return(string.Empty);
}
try
{
var result = memCached.Get(args[0]);
if (result.Status == false)
{
return(keyNotExists);
}
return(result.Value.ToString());
}
catch
{
return("The Value Is A Unknow Object");
}
case CmdEnum.set:
if (args.Count != 3)
{
return(string.Empty);
}
var state = memCached.Set(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state ? ok : keyNotExists);
case CmdEnum.add:
if (args.Count != 3)
{
return(string.Empty);
}
state = memCached.Add(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state ? ok : keyHasExists);
case CmdEnum.replace:
if (args.Count != 3)
{
return(string.Empty);
}
state = memCached.Replace(args[0], args[1], TimeSpan.FromSeconds(int.Parse(args[2])));
return(state ? ok : keyNotExists);
case CmdEnum.delete:
if (args.Count != 1)
{
return(string.Empty);
}
state = memCached.Delete(args[0]);
return(state ? ok : keyNotExists);
case CmdEnum.flush:
if (args.Count != 1)
{
return(string.Empty);
}
memCached.Flush(TimeSpan.FromSeconds(int.Parse(args[0])));
return(ok);
default:
return(string.Empty);
}
}
}
