virtual public bool Connect(User user)
{
if (user == null || _connectedUsers.Where(u => u.Id == user.Id).FirstOrDefault() != null)
{
return(false);
}
IChatServiceCallback currentCallback = OperationContextWrapper.GetCallbackChannel <IChatServiceCallback>();
if (currentCallback == null)
{
return(false);
}
lock (syncObj)
{
_userCallbackPairs.Add(user.Id, currentCallback);
_connectedUsers.Add(user);
foreach (IChatServiceCallback callback in _userCallbackPairs.Values)
{
callback.RefreshUsers(_connectedUsers);
callback.UserConnect(user);
}
}
return(true);
}
