Exemple #1
0
        private void Send(TcpClientSocket _tcpSocket, string _sendMessage)
        {
            if (_tcpSocket != null && _tcpSocket.Connected)
            {
                if (_sendMessage.ToLower() != "disconnect")
                {
                    byte[] msgPayload = Encoding.ASCII.GetBytes(_sendMessage);

                    _tcpSocket.SendAsync(msgPayload);
                }
                else
                {
                    _tcpSocket.Disconnect();
                    return;
                }
            }
            else
            {
                return;
            }
        }
Exemple #2
0
        /// <summary>
        /// Sends a message to the server.
        /// </summary>
        private void BtnSend_Click(object sender, EventArgs e)
        {
            // If the message is valid.
            if (TbMsg.Text != string.Empty && TbMsg.Text != null)
            {
                string msg = TbMsg.Text;

                // If connected to the server.
                if (socket != null && socket.Connected)
                {
                    // If the message is not a command.
                    if (!RunCommand(msg))
                    {
                        // Convert the message into a byte array.
                        byte[] msgPayload = Encoding.ASCII.GetBytes(msg);

                        // Send the message asynchronously.
                        socket.SendAsync(msgPayload);

                        // Clears the message entry textbox.
                        TbMsg.Text = string.Empty;

                        // Display the message was sent.
                        AppendText($"\nYou: {msg}");
                    }
                }
                else
                {
                    MessageBox.Show("You are not connected to the server.");
                    TbMsg.Clear();
                }
            }
            else
            {
                //MessageBox.Show("Please enter a message before sending", "No Message To Send");
            }
        }
Exemple #3
0
        /// <summary>
        /// Connects to the server and sends the username.
        /// </summary>
        /// <param name="userName"> The client's username for the chat. </param>
        void ConnectToServer(string userName)
        {
            if (!string.IsNullOrWhiteSpace(userName))
            {
                socket = new TcpClientSocket();

                socket.AsyncConnectionResult += (s, e) =>
                {
                    // If connected to the server
                    if (e.Connected)
                    {
                        // Send the username to the server.
                        byte[] msgPayload = Encoding.ASCII.GetBytes("<c>username" + userName);
                        socket.SendAsync(msgPayload);

                        // Start receiving messages from the server.
                        beginReceiving(socket);

                        rtbClientMessages.InvokeIfRequired(s1 =>
                        {
                            // Displays that a client has connected
                            if (s1.Text.Length <= 0)
                            {
                                this.Invoke((MethodInvoker)(() => rtbClientMessages.AppendText("Connected to the server.")));
                            }
                            else
                            {
                                this.Invoke((MethodInvoker)(() => rtbClientMessages.AppendText("\nConnected to the server.")));
                            }
                        });

                        btnConnect.InvokeIfRequired(bc => { bc.Text = "Connected"; });
                        btnSend.InvokeIfRequired(bs => { bs.Enabled = true; });
                    }
                    else
                    {
                        ConnectToServer(userName);
                    }
                };

                try
                {
                    // Set the connection controls to disabled
                    btnConnect.Text    = "Connecting";
                    btnConnect.Enabled = false;
                    tbUsername.Enabled = false;

                    // Connect to the server.
                    socket.ConnectAsync(ipEnd);
                }
                catch (Exception ex)
                {
                    // Set the conncet controls to enabled
                    btnConnect.Text    = "Connect";
                    btnConnect.Enabled = true;
                    tbUsername.Enabled = true;

                    MessageBox.Show(ex.ToString(), "Cannot Connect To Server");
                }
            }
            else
            {
                MessageBox.Show("Please enter a valid username.", "Invalid Username");
            }
        }