コード例 #1
0
ファイル: ClientManager.cs プロジェクト: dhcntt/DoAnC-UIT
        public void bw_receive_DoWork(object sender, DoWorkEventArgs e)
        {
            byte[] buffer = new byte[4];
            byte[] data   = null;
            string usernameTemp;
            bool   check_addMessage = false;

            while (socket.Connected)
            {
                try
                {
                    stream.Read(buffer, 0, 4);
                    CommandType_ cmt = (CommandType_)BitConverter.ToInt32(buffer, 0);
                    if (cmt == CommandType_.Message)
                    {
                        string cmdMetaData = "";
                        buffer = new byte[4];
                        //đọc nội dung tin nhắn
                        stream.Read(buffer, 0, 4);
                        int    lenght     = BitConverter.ToInt32(buffer, 0);
                        byte[] metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        cmdMetaData = Encoding.ASCII.GetString(metaBuffer);
                        //đọc font
                        stream.Read(buffer, 0, 4);
                        lenght     = BitConverter.ToInt32(buffer, 0);
                        metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        MemoryStream    s    = new MemoryStream(metaBuffer);
                        BinaryFormatter bf   = new BinaryFormatter();
                        Font            temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                        temp = (Font)bf.Deserialize(s);
                        Chat chatForm = null;
                        _frmMain.Invoke(new Action(delegate()
                        {
                            if ((chatForm = IsShow("Server")) == null)
                            {
                                chatForm      = new Chat(this, "Server");
                                chatForm.Text = "Server";
                                chatForm.Show();
                                listFormChat.Add(chatForm);
                            }
                        }));
                        chatForm.Receive("Server", cmdMetaData, temp);
                    }//end message

                    if (cmt == CommandType_.LoadMessage)
                    {
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int count = BitConverter.ToInt16(buffer, 0);
                        if (count > 0)
                        {
                            buffer = new byte[4];
                            stream.Read(buffer, 0, 4);
                            int lengh = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lengh];
                            stream.Read(data, 0, lengh);
                            usernameTemp = Encoding.ASCII.GetString(data);
                            LinkedList <MessageText> listmessageTemp = new System.Collections.Generic.LinkedList <MessageText>();
                            for (int i = 0; i < count; i++)
                            {
                                buffer = new byte[4];
                                stream.Read(buffer, 0, 4);
                                lengh = BitConverter.ToInt32(buffer, 0);
                                data  = new byte[lengh];
                                stream.Read(data, 0, lengh);
                                string content = Encoding.ASCII.GetString(data);


                                stream.Read(buffer, 0, 4);
                                int lenght = BitConverter.ToInt32(buffer, 0);
                                data = new byte[lenght];
                                stream.Read(data, 0, lenght);
                                MemoryStream s = new MemoryStream(data);
                                s.Position = 0;
                                BinaryFormatter bf   = new BinaryFormatter();
                                Font            temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                                temp = (Font)bf.Deserialize(s);

                                buffer = new byte[4];
                                stream.Read(buffer, 0, 4);
                                int         type = BitConverter.ToInt16(buffer, 0);
                                MessageText mst  = new MessageText(content, temp, type);

                                listmessageTemp.AddLast(mst);
                            }
                            foreach (var s in listmessageTemp)
                            {
                                IsShow(usernameTemp).listmessage.AddFirst(s);
                            }
                            IsShow(usernameTemp).update_message(true);
                        }
                    }
                    if (cmt == CommandType_.MessageFriend)
                    {
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int lengh = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lengh];
                        stream.Read(data, 0, lengh);
                        usernameTemp = Encoding.ASCII.GetString(data);

                        //đọc nội dung tin nhắn
                        string cmdMetaData = "";
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int    lenght     = BitConverter.ToInt32(buffer, 0);
                        byte[] metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        cmdMetaData = Encoding.UTF8.GetString(metaBuffer);
                        //đọc font
                        stream.Read(buffer, 0, 4);
                        lenght     = BitConverter.ToInt32(buffer, 0);
                        metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        //convert byte sang font
                        MemoryStream    s    = new MemoryStream(metaBuffer);
                        BinaryFormatter bf   = new BinaryFormatter();
                        Font            temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                        temp = (Font)bf.Deserialize(s);
                        Chat chatForm = null;
                        _frmMain.Invoke(new Action(delegate()
                        {
                            if ((chatForm = IsShow(usernameTemp)) == null)
                            {
                                chatForm      = new Chat(this, usernameTemp);
                                chatForm.Text = usernameTemp;
                                //Command cmd = new Command(CommandType_.LoadMessage, usernameTemp, 0);
                                // this.SendCommand(cmd);
                                chatForm.Show();
                                listFormChat.Add(chatForm);
                            }
                        }));
                        chatForm.Receive(usernameTemp, cmdMetaData, temp);
                    }
                    if (cmt == CommandType_.LoginSuccess)
                    {
                        stream.Read(buffer, 0, 4);
                        int stt = BitConverter.ToInt32(buffer, 0);

                        byte[] dataPicture;
                        //đọc tên username
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string username = Encoding.ASCII.GetString(data);
                        this._userName = username;


                        //nhận email
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data   = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string email = Encoding.ASCII.GetString(data);


                        //đọc avatar
                        Image image;
                        stream.Read(buffer, 0, 4);
                        lenght      = BitConverter.ToInt32(buffer, 0);
                        dataPicture = new byte[lenght];
                        ReadBigData(stream, lenght, ref dataPicture);
                        MemoryStream mem = new MemoryStream(dataPicture);
                        image = Image.FromStream(mem);

                        //đọc status
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data   = new byte[lenght];
                        ReadBigData(stream, lenght, ref data);
                        string status = Encoding.UTF8.GetString(data);

                        //Đăng nhập thành công
                        //Khởi tạo form chính
                        //dangnhapForm.KillThreard();
                        if (_frmMain == null)
                        {
                            dangnhapForm.Invoke(new Action(delegate()
                            {
                                {
                                    _frmMain      = new Form1(dangnhapForm, 1, this._userName, email, image, status, this);
                                    _frmMain.Text = "Frozen";
                                    _frmMain.Show();
                                    dangnhapForm.Hide();
                                }
                            }));
                        }
                        Command cmd = new Command(CommandType_.ListFriend, this._userName);
                        this.SendCommand(cmd);
                        //load list friend
                        //đọc thông tin list Friend
                        //Thread.Sleep(2000);
                        //--Đọc số lượng friend của user
                    }//End LoginSuccess
                    if (cmt == CommandType_.ListFriend)
                    {
                        stream.Read(buffer, 0, 4);
                        int _CountTemp;
                        _CountTemp          = BitConverter.ToInt32(buffer, 0);
                        _frmMain.listFriend = new List <FriendList>();
                        for (int i = 0; i < _CountTemp; i++)
                        {
                            //đọc useer friend
                            //int a = _abc;
                            stream.Read(buffer, 0, 4);
                            int lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string usernameFriend = Encoding.ASCII.GetString(data);



                            //đọc avatar friend
                            Image _avatarFriend;
                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            byte[] dataPicture = new byte[lenght];
                            ReadBigData(stream, lenght, ref dataPicture);
                            MemoryStream memTemp = new MemoryStream(dataPicture);
                            _avatarFriend = Image.FromStream(memTemp);


                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data   = new byte[lenght];
                            ReadBigData(stream, lenght, ref data);
                            string _status = Encoding.UTF8.GetString(data);

                            //đọc trạng thái của friend này
                            stream.Read(buffer, 0, 4);
                            CommandType_ status = (CommandType_)BitConverter.ToInt32(buffer, 0);
                            FriendList   friendTemp;
                            if (status == CommandType_.Online)
                            {
                                friendTemp = new FriendList(usernameFriend, _avatarFriend, true, _status);
                            }
                            else
                            {
                                friendTemp = new FriendList(usernameFriend, _avatarFriend, false, _status);
                            }
                            _frmMain.listFriend.Add(friendTemp);
                        }
                        _frmMain.update_listFriend(true);
                    }
                    if (cmt == CommandType_.Found)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string username = Encoding.ASCII.GetString(data);


                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data   = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string email = Encoding.ASCII.GetString(data);

                        byte[] dataPicture;
                        //đọc avatar
                        Image image;
                        stream.Read(buffer, 0, 4);
                        lenght      = BitConverter.ToInt32(buffer, 0);
                        dataPicture = new byte[lenght];
                        ReadBigData(stream, lenght, ref dataPicture);
                        MemoryStream mem = new MemoryStream(dataPicture);
                        image = Image.FromStream(mem);
                        ff_Form.Found(username, email, image);
                    }
                    if (cmt == CommandType_.NotFound)
                    {
                        ff_Form.Notfound();
                    }
                    if (cmt == CommandType_.NameExists)
                    {
                        MessageCustom.Show("Tài khoản bạn đã được đang nhập bởi người khác!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        dangnhapForm.ChangePanel();
                    }
                    if (cmt == CommandType_.Failure)
                    {
                        MessageCustom.Show("Tài khoản hoặc mật khẩu không đúng!", "Error", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        dangnhapForm.ChangePanel();
                    }
                    if (cmt == CommandType_.RegisterFailure)
                    {
                        MessageCustom.Show("Tài khoản hoặc tên người dùng đã tồn tại!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                    }
                    if (cmt == CommandType_.RegisterSuccess)
                    {
                        MessageCustom.Show("Đăng kí thành công!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                    }
                    if (cmt == CommandType_.Online)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string usernameFriend = Encoding.ASCII.GetString(data);
                        foreach (var s in _frmMain.listFriend)
                        {
                            if (s._userFriend == usernameFriend)
                            {
                                s.Status = true;
                            }
                        }
                        _frmMain.update_listFriend(true);
                    }
                    if (cmt == CommandType_.Offline)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string usernameFriend = Encoding.ASCII.GetString(data);
                        foreach (var s in _frmMain.listFriend)
                        {
                            if (s._userFriend == usernameFriend)
                            {
                                s.Status = false;
                            }
                        }
                        _frmMain.update_listFriend(true);
                    }
                    //load toàn bộ thông báo
                    if (cmt == CommandType_.LoadNotice)
                    {
                        stream.Read(buffer, 0, 4);
                        int count = BitConverter.ToInt32(buffer, 0);
                        for (int i = 0; i < count; i++)
                        {
                            stream.Read(buffer, 0, 4);
                            int _stt = BitConverter.ToInt32(buffer, 0);

                            stream.Read(buffer, 0, 4);
                            int lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _userPrimary = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data   = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _userReference = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data   = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _type = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data   = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _content = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data   = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string      _time      = Encoding.ASCII.GetString(data);
                            Notice_List noticeTemp = new Notice_List(_stt, _userPrimary, _userReference, _type, _time);
                            Notice_frm.listNotice.Add(noticeTemp);
                        }
                        Notice_frm.update_Notice(false);
                    }
                    if (cmt == CommandType_.DeleteNoticeSuccess)
                    {
                        Notice_frm.update_Notice(true);
                    }
                    if (cmt == CommandType_.AddNoticeSuccess)
                    {
                        ff_Form.AddNoticeSuccess();
                    }
                    if (cmt == CommandType_.AddNoticeFailure)
                    {
                        ff_Form.AddNoticeFailure();
                    }
                    if (cmt == CommandType_.AddFriendFailure)
                    {
                        ff_Form.AddFriendFailure();
                    }
                }
                catch
                {
                    if (_check)
                    {
                        MessageCustom.Show("Server đang bảo trì !", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        socket.Close();
                        dangnhapForm.Client = null;
                    }
                }
            }//end while
        }
コード例 #2
0
ファイル: ClientManager.cs プロジェクト: dhcntt/DoAnC-UIT
        public void bw_receive_DoWork(object sender, DoWorkEventArgs e)
        {
            byte[] buffer = new byte[4];
            byte[] data = null;
            string usernameTemp;
            bool check_addMessage = false;
            while (socket.Connected)
            {
                try
                {

                    stream.Read(buffer, 0, 4);
                    CommandType_ cmt = (CommandType_)BitConverter.ToInt32(buffer, 0);
                    if (cmt == CommandType_.Message)
                    {

                        string cmdMetaData = "";
                        buffer = new byte[4];
                        //đọc nội dung tin nhắn
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        byte[] metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        cmdMetaData = Encoding.ASCII.GetString(metaBuffer);
                        //đọc font
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        MemoryStream s = new MemoryStream(metaBuffer);
                        BinaryFormatter bf = new BinaryFormatter();
                        Font temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                        temp = (Font)bf.Deserialize(s);
                        Chat chatForm = null;
                        _frmMain.Invoke(new Action(delegate()
                        {
                            if ((chatForm = IsShow("Server")) == null)
                            {
                                chatForm = new Chat(this, "Server");
                                chatForm.Text = "Server";
                                chatForm.Show();
                                listFormChat.Add(chatForm);
                            }
                        }));
                        chatForm.Receive("Server", cmdMetaData, temp);
                    }//end message

                    if (cmt == CommandType_.LoadMessage)
                    {
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int count = BitConverter.ToInt16(buffer, 0);
                        if (count > 0)
                        {
                            buffer = new byte[4];
                            stream.Read(buffer, 0, 4);
                            int lengh = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lengh];
                            stream.Read(data, 0, lengh);
                            usernameTemp = Encoding.ASCII.GetString(data);
                            LinkedList<MessageText> listmessageTemp = new System.Collections.Generic.LinkedList<MessageText>();
                            for (int i = 0; i < count; i++)
                            {
                                buffer = new byte[4];
                                stream.Read(buffer, 0, 4);
                                lengh = BitConverter.ToInt32(buffer, 0);
                                data = new byte[lengh];
                                stream.Read(data, 0, lengh);
                                string content = Encoding.ASCII.GetString(data);

                                stream.Read(buffer, 0, 4);
                                int lenght = BitConverter.ToInt32(buffer, 0);
                                data = new byte[lenght];
                                stream.Read(data, 0, lenght);
                                MemoryStream s = new MemoryStream(data);
                                s.Position = 0;
                                BinaryFormatter bf = new BinaryFormatter();
                                Font temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                                temp = (Font)bf.Deserialize(s);

                                buffer = new byte[4];
                                stream.Read(buffer, 0, 4);
                                int type = BitConverter.ToInt16(buffer, 0);
                                MessageText mst = new MessageText(content, temp, type);

                                listmessageTemp.AddLast(mst);

                            }
                            foreach (var s in listmessageTemp)
                            {
                                IsShow(usernameTemp).listmessage.AddFirst(s);
                            }
                            IsShow(usernameTemp).update_message(true);

                        }
                    }
                    if (cmt == CommandType_.MessageFriend)
                    {
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int lengh = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lengh];
                        stream.Read(data, 0, lengh);
                        usernameTemp = Encoding.ASCII.GetString(data);

                        //đọc nội dung tin nhắn
                        string cmdMetaData = "";
                        buffer = new byte[4];
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        byte[] metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        cmdMetaData = Encoding.UTF8.GetString(metaBuffer);
                        //đọc font
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        metaBuffer = new byte[lenght];
                        stream.Read(metaBuffer, 0, lenght);
                        //convert byte sang font
                        MemoryStream s = new MemoryStream(metaBuffer);
                        BinaryFormatter bf = new BinaryFormatter();
                        Font temp = new Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular);
                        temp = (Font)bf.Deserialize(s);
                        Chat chatForm = null;
                        _frmMain.Invoke(new Action(delegate()
                        {
                            if ((chatForm = IsShow(usernameTemp)) == null)
                            {
                                chatForm = new Chat(this, usernameTemp);
                                chatForm.Text = usernameTemp;
                                //Command cmd = new Command(CommandType_.LoadMessage, usernameTemp, 0);
                                // this.SendCommand(cmd);
                                chatForm.Show();
                                listFormChat.Add(chatForm);
                            }
                        }));
                        chatForm.Receive(usernameTemp, cmdMetaData, temp);
                    }
                    if (cmt == CommandType_.LoginSuccess)
                    {
                        stream.Read(buffer, 0, 4);
                        int stt = BitConverter.ToInt32(buffer, 0);

                        byte[] dataPicture;
                        //đọc tên username
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string username = Encoding.ASCII.GetString(data);
                        this._userName = username;

                        //nhận email
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string email = Encoding.ASCII.GetString(data);

                        //đọc avatar
                        Image image;
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        dataPicture = new byte[lenght];
                        ReadBigData(stream, lenght, ref dataPicture);
                        MemoryStream mem = new MemoryStream(dataPicture);
                        image = Image.FromStream(mem);

                        //đọc status
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        ReadBigData(stream, lenght, ref data);
                        string status = Encoding.UTF8.GetString(data);

                        //Đăng nhập thành công
                        //Khởi tạo form chính
                        //dangnhapForm.KillThreard();
                        if (_frmMain == null)
                        {
                            dangnhapForm.Invoke(new Action(delegate()
                            {

                                {
                                    _frmMain = new Form1(dangnhapForm, 1, this._userName, email, image, status, this);
                                    _frmMain.Text = "Frozen";
                                    _frmMain.Show();
                                    dangnhapForm.Hide();
                                }
                            }));

                        }
                        Command cmd = new Command(CommandType_.ListFriend, this._userName);
                        this.SendCommand(cmd);
                        //load list friend
                        //đọc thông tin list Friend
                        //Thread.Sleep(2000);
                        //--Đọc số lượng friend của user

                    }//End LoginSuccess
                    if (cmt == CommandType_.ListFriend)
                    {
                        stream.Read(buffer, 0, 4);
                        int _CountTemp;
                        _CountTemp = BitConverter.ToInt32(buffer, 0);
                        _frmMain.listFriend = new List<FriendList>();
                        for (int i = 0; i < _CountTemp; i++)
                        {
                            //đọc useer friend
                            //int a = _abc;
                            stream.Read(buffer, 0, 4);
                            int lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string usernameFriend = Encoding.ASCII.GetString(data);

                            //đọc avatar friend
                            Image _avatarFriend;
                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            byte[] dataPicture = new byte[lenght];
                            ReadBigData(stream, lenght, ref dataPicture);
                            MemoryStream memTemp = new MemoryStream(dataPicture);
                            _avatarFriend = Image.FromStream(memTemp);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            ReadBigData(stream, lenght, ref data);
                            string _status = Encoding.UTF8.GetString(data);

                            //đọc trạng thái của friend này
                            stream.Read(buffer, 0, 4);
                            CommandType_ status = (CommandType_)BitConverter.ToInt32(buffer, 0);
                            FriendList friendTemp;
                            if (status == CommandType_.Online)
                            {
                                friendTemp = new FriendList(usernameFriend, _avatarFriend, true, _status);
                            }
                            else
                            {
                                friendTemp = new FriendList(usernameFriend, _avatarFriend, false, _status);
                            }
                            _frmMain.listFriend.Add(friendTemp);
                        }
                        _frmMain.update_listFriend(true);
                    }
                    if (cmt == CommandType_.Found)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string username = Encoding.ASCII.GetString(data);

                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string email = Encoding.ASCII.GetString(data);

                        byte[] dataPicture;
                        //đọc avatar
                        Image image;
                        stream.Read(buffer, 0, 4);
                        lenght = BitConverter.ToInt32(buffer, 0);
                        dataPicture = new byte[lenght];
                        ReadBigData(stream, lenght, ref dataPicture);
                        MemoryStream mem = new MemoryStream(dataPicture);
                        image = Image.FromStream(mem);
                        ff_Form.Found(username, email, image);
                    }
                    if (cmt == CommandType_.NotFound)
                    {
                        ff_Form.Notfound();
                    }
                    if (cmt == CommandType_.NameExists)
                    {
                        MessageCustom.Show("Tài khoản bạn đã được đang nhập bởi người khác!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        dangnhapForm.ChangePanel();
                    }
                    if (cmt == CommandType_.Failure)
                    {
                        MessageCustom.Show("Tài khoản hoặc mật khẩu không đúng!", "Error", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        dangnhapForm.ChangePanel();
                    }
                    if (cmt == CommandType_.RegisterFailure)
                    {
                        MessageCustom.Show("Tài khoản hoặc tên người dùng đã tồn tại!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                    }
                    if (cmt == CommandType_.RegisterSuccess)
                    {
                        MessageCustom.Show("Đăng kí thành công!", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                    }
                    if (cmt == CommandType_.Online)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string usernameFriend = Encoding.ASCII.GetString(data);
                        foreach (var s in _frmMain.listFriend)
                        {
                            if (s._userFriend == usernameFriend)
                            {
                                s.Status = true;
                            }
                        }
                        _frmMain.update_listFriend(true);
                    }
                    if (cmt == CommandType_.Offline)
                    {
                        stream.Read(buffer, 0, 4);
                        int lenght = BitConverter.ToInt32(buffer, 0);
                        data = new byte[lenght];
                        stream.Read(data, 0, lenght);
                        string usernameFriend = Encoding.ASCII.GetString(data);
                        foreach (var s in _frmMain.listFriend)
                        {
                            if (s._userFriend == usernameFriend)
                            {
                                s.Status = false;
                            }
                        }
                        _frmMain.update_listFriend(true);
                    }
                    //load toàn bộ thông báo
                    if (cmt == CommandType_.LoadNotice)
                    {
                        stream.Read(buffer, 0, 4);
                        int count = BitConverter.ToInt32(buffer, 0);
                        for (int i = 0; i < count; i++)
                        {

                            stream.Read(buffer, 0, 4);
                            int _stt = BitConverter.ToInt32(buffer, 0);

                            stream.Read(buffer, 0, 4);
                            int lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _userPrimary = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _userReference = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _type = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _content = Encoding.ASCII.GetString(data);

                            stream.Read(buffer, 0, 4);
                            lenght = BitConverter.ToInt32(buffer, 0);
                            data = new byte[lenght];
                            stream.Read(data, 0, lenght);
                            string _time = Encoding.ASCII.GetString(data);
                            Notice_List noticeTemp = new Notice_List(_stt, _userPrimary, _userReference, _type, _time);
                            Notice_frm.listNotice.Add(noticeTemp);
                        }
                        Notice_frm.update_Notice(false);
                    }
                    if (cmt == CommandType_.DeleteNoticeSuccess)
                    {
                        Notice_frm.update_Notice(true);
                    }
                    if (cmt == CommandType_.AddNoticeSuccess)
                    {
                        ff_Form.AddNoticeSuccess();
                    }
                    if (cmt == CommandType_.AddNoticeFailure)
                    {
                        ff_Form.AddNoticeFailure();
                    }
                    if (cmt == CommandType_.AddFriendFailure)
                    {
                        ff_Form.AddFriendFailure();
                    }
                }
                catch
                {
                    if (_check)
                    {
                        MessageCustom.Show("Server đang bảo trì !", "Thông báo", new Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))));
                        socket.Close();
                        dangnhapForm.Client = null;
                    }
                }
            }//end while
        }