private void Disconnect(ClientRowInfo clientRowInfo)
{
bool isConnected = true;
string result = "";
Bitmap resultImage = null;
try
{
if (clientRowInfo.client != null && clientRowInfo.client.Client != null)
{
if (clientRowInfo.client.Connected)
{
clientRowInfo.client.Close();
}
clientRowInfo.client.Dispose();
}
isConnected = false;
resultImage = ParallelTcpClientConnectionApp.Properties.Resources.disconnected;
}
catch (Exception ex)
{
result = "Disconnection error!";
resultImage = ParallelTcpClientConnectionApp.Properties.Resources.disconnected;
}
finally
{
gvList.Invoke((Action)(() =>
{
gvList.Rows[clientRowInfo.rowIndex].Cells["Status"].Value = resultImage;
gvList.Rows[clientRowInfo.rowIndex].Cells["Description"].Value = result;
((DataGridViewDisableButtonCell)gvList.Rows[clientRowInfo.rowIndex].Cells["Send"]).Enabled = isConnected;
}));
}
}
private void SendDataAsync(ClientRowInfo clientRowInfo, string dataText)
{
lblResult.Invoke((Action)(() =>
{
lblResult.Text = "";
}));
try
{
bool connected = clientRowInfo.client.Client.IsConnected();
if (clientRowInfo.client != null && clientRowInfo.client.Connected)
{
string result = "";
byte[] byteData = Encoding.UTF8.GetBytes(dataText);
NetworkStream networkStream = clientRowInfo.client.GetStream();
{
var writer = new StreamWriter(networkStream);
{
var reader = new StreamReader(networkStream, Encoding.UTF8);
{
networkStream.Write(byteData, 0, byteData.Length);
//result = reader.ReadToEnd();
}
}
}
lblResult.Invoke((Action)(() =>
{
lblResult.ForeColor = Color.DarkGreen;
lblResult.Text = result;
}));
}
else
{
string result = "Client not connected!";
lblResult.Invoke((Action)(() =>
{
lblResult.ForeColor = Color.Red;
lblResult.Text = result;
}));
}
}
catch (Exception ex)
{
string result = ex.Message;
lblResult.Invoke((Action)(() =>
{
lblResult.ForeColor = Color.Red;
lblResult.Text = result;
}));
}
finally
{
if (clientRowInfo.client != null && !clientRowInfo.client.Connected)
{
btnSendData.Enabled = false;
}
}
}
private void TcpClient_OnDisconnect(object sender, OnDisconnectEventArgs e)
{
//e.RowIndex
ClientRowInfo clientRowInfo = connectionList.FirstOrDefault(x => x.rowIndex == e.RowIndex);
if (clientRowInfo != null)
{
Disconnect(clientRowInfo);
}
}
private void gvList_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
int rowCount = gvList.AllowUserToAddRows ? gvList.Rows.Count - 1: gvList.Rows.Count;
if (e.RowIndex < rowCount && e.ColumnIndex == 4 && (gvList.Rows[e.RowIndex].Cells["Send"] as DataGridViewDisableButtonCell).Enabled)
{
int port;
IPAddress ipAddress;
gvList.Invoke((Action)(() =>
{
// Ip Address checking
if (!IPAddress.TryParse(gvList.Rows[e.RowIndex].Cells["Ip"].Value.ToString(), out ipAddress))
{
return;
}
// Port existing control
if (gvList.Rows[e.RowIndex].Cells["Port"].Value == null || string.IsNullOrEmpty(gvList.Rows[e.RowIndex].Cells["Port"].Value.ToString()))
{
return;
}
// Port available checking
if (!Int32.TryParse(gvList.Rows[e.RowIndex].Cells["Port"].Value.ToString(), out port))
{
return;
}
}));
ClientRowInfo clientRowInfo = connectionList.Where(x => x.rowIndex == e.RowIndex).FirstOrDefault();
if (clientRowInfo != null)
{
SendDataForm sendDataForm = new SendDataForm(clientRowInfo);
sendDataForm.ShowDialog();
//string result = SendData(clientRowInfo);
//MessageBox.Show(result, "Result");
}
}
}
private void Connect(ClientRowInfo clientRowInfo)
{
bool isConnected = false;
string result = "";
Bitmap resultImage = null;
if (clientRowInfo.client == null)
{
clientRowInfo.client = new TcpClientEx(clientRowInfo.rowIndex);
clientRowInfo.client.OnDisconnect += TcpClient_OnDisconnect;
}
try
{
if (clientRowInfo.IpAvailabel && clientRowInfo.PortAvailabel && clientRowInfo.client.ConnectAsync(clientRowInfo.ip, clientRowInfo.port).Wait(5000))
{
isConnected = true;
resultImage = ParallelTcpClientConnectionApp.Properties.Resources.port_open_32x32;
}
else
{
result = "Connection failed";
resultImage = ParallelTcpClientConnectionApp.Properties.Resources.disconnected;
}
}
catch (Exception ex)
{
result = "Connection error!";
resultImage = ParallelTcpClientConnectionApp.Properties.Resources.disconnected;
}
finally
{
gvList.Invoke((Action)(() =>
{
gvList.Rows[clientRowInfo.rowIndex].Cells["Status"].Value = resultImage;
gvList.Rows[clientRowInfo.rowIndex].Cells["Description"].Value = result + " / " + isConnected.ToString();
((DataGridViewDisableButtonCell)gvList.Rows[clientRowInfo.rowIndex].Cells["Send"]).Enabled = isConnected;
}));
}
}
public SendDataForm(ClientRowInfo clientRowInfo)
{
InitializeComponent();
this.clientRowInfo = clientRowInfo;
}
