private IUser AddUserToUserList(string ipAddress, string userId, string password)
{
IUser user;
mutex.WaitOne();
try
{
UnlinkIpAddress(ipAddress);
IKnownUser knownUser = knownUserFactory.Create(ipAddress, userId, password);
userList.Add(knownUser);
user = userFactory.CreateUserFromKnownUser(knownUser);
}
finally
{
mutex.ReleaseMutex();
}
return(user);
}