public int UnsubscribeCodes(string username, string[] codelist)
{
if (_dataAdapter != null)
{
List <string> codes = new List <string>();
for (int i = 0; i < codelist.Length; i++)
{
string code = codelist[i];
if (_codes.ContainsKey(code))
{
SubCode sc = _codes[code];
if (sc.Users.Contains(username))
{
sc.Users.Remove(username);
if (sc.Users.Count == 0)
{
//取消订阅代码
_codes.Remove(code);
codes.Add(code);
}
}
if (username == "")
{
//取消订阅代码
_codes.Remove(code);
codes.Add(code);
}
}
}
if (_clients.ContainsKey(username))
{
//客户端取消订阅
_clients[username].RemoveSubCodes(codelist.ToList <string>());
if (_clients[username].SubCount == 0)
{
_clients.Remove(username);
}
}
if (username == "")
{
//定时器取消长时间不使用的代码时清除用户引用
List <string> deluc = new List <string>();
foreach (UserClient uc in _clients.Values)
{
uc.RemoveSubCodes(codelist.ToList <string>());
if (uc.SubCount == 0)
{
deluc.Add(uc.Username);
}
}
foreach (string du in deluc)
{
if (_clients.ContainsKey(du))
{
_clients.Remove(du);
}
}
}
if (codes.Count > 0)
{
_dataAdapter.DeRegisterCodes(codes);
App.Logger.Info(string.Format("DataService:{0}取消订阅,{1}", username, codes.ToString()));
}
return(codes.Count);
}
return(0);
}