private void ShowUpdateMessage(string message, params object[] args)
{
if (this.InvokeRequired)
{
this.Invoke((ThreadStart) delegate
{
StringBuilder outputText = new StringBuilder();
outputText.AppendFormat("[{0}] ", DateTime.Now.ToString());
outputText.AppendFormat(message, args);
outputText.Append("\r\n");
MessagesOutput.AppendText(outputText.ToString());
Application.DoEvents();
});
}
}
private void StartProcessing_Click(object sender, EventArgs e)
{
// Validate selection.
MessagesOutput.Clear();
if (IDInput.CheckedIndices.Count == 0)
{
ShowUpdateMessage("No points selected for processing.");
return;
}
if (!ValidateOutputFormat())
{
return;
}
// Capture selection.
DateTime startTime = DateTime.Parse(StartTimeInput.Text, CultureInfo.InvariantCulture.DateTimeFormat);
DateTime endTime = DateTime.Parse(EndTimeInput.Text, CultureInfo.InvariantCulture.DateTimeFormat);
try
{
StartProcessing.Enabled = false;
this.Cursor = Cursors.WaitCursor;
// Dispose previously created client.
if (m_transmitClient != null)
{
m_transmitClient.Dispose();
}
// Create new client.
ShowUpdateMessage("Initializing client...");
List <object> state = new List <object>();
Dictionary <int, Metadata> metadata = new Dictionary <int, Metadata>();
state.Add(null);
state.Add(startTime);
state.Add(endTime);
state.Add(RepeatDataProcessing.Checked);
state.Add(OutputPlainTextDataFormat.Text);
state.Add(int.Parse(ProcessDataAtIntervalSampleRate.Text));
state.Add(metadata);
m_transmitStarts = 0;
m_transmitCompletes = 0;
m_transmitExceptions = 0;
switch (OutputChannelTabs.SelectedIndex)
{
case 0: // TCP
m_transmitClient = ClientBase.Create(string.Format("Protocol=TCP;Server={0}:{1}", TCPServerInput.Text, TCPPortInput.Text));
break;
case 1: // UDP
m_transmitClient = ClientBase.Create(string.Format("Protocol=UDP;Server={0}:{1};Port=-1", UDPServerInput.Text, UDPPortInput.Text));
break;
case 2: // File
m_transmitClient = ClientBase.Create(string.Format("Protocol=File;File={0}", FileNameInput.Text));
if (!AppendToExisting.Checked)
{
FileClient client = m_transmitClient as FileClient;
if ((object)client != null)
{
client.FileOpenMode = FileMode.Create;
}
}
break;
case 3: // Serial
m_transmitClient = ClientBase.Create(string.Format("Protocol=Serial;Port={0};BaudRate={1};Parity={2};StopBits={3};DataBits={4};DtrEnable={5};RtsEnable={6}", SerialPortInput.Text, SerialBaudRateInput.Text, SerialParityInput.Text, SerialStopBitsInput.Text, SerialDataBitsInput.Text, SerialDtrEnable.Checked, SerialRtsEnable.Checked));
break;
}
if ((object)m_transmitClient != null)
{
m_transmitClient.MaxConnectionAttempts = 10;
m_transmitClient.SendDataStart += m_transmitClient_SendDataStart;
m_transmitClient.SendDataComplete += m_transmitClient_SendDataComplete;
m_transmitClient.SendDataException += m_transmitClient_SendDataException;
ShowUpdateMessage("Client initialized.");
// Connect the newly created client.
ShowUpdateMessage("Connecting client...");
m_transmitClient.Connect();
if (m_transmitClient.CurrentState == ClientState.Connected)
{
// Client connected successfully.
ShowUpdateMessage("Client connected.");
// Queue all selected points for processing.
StringBuilder selection = new StringBuilder();
Metadata definition;
for (int i = 0; i < IDInput.CheckedItems.Count; i++)
{
if (selection.Length > 0)
{
selection.Append(',');
}
definition = (Metadata)IDInput.CheckedItems[i];
selection.Append(definition.PointID);
metadata.Add(definition.PointID, definition);
}
state[0] = selection.ToString();
if (ProcessDataInParallel.Checked)
{
ThreadPool.QueueUserWorkItem(Process, state.ToArray());
}
else
{
ThreadPool.QueueUserWorkItem(ProcessSequential, state.ToArray());
}
ConfigurationFile.Current.Settings.General["Selection", true].Value = selection.ToString();
ConfigurationFile.Current.Save();
StopProcessing.Visible = true;
StartProcessing.Visible = false;
SplitContainerTop.Enabled = false;
}
else
{
ShowUpdateMessage("Connection timeout.");
}
}
}
catch (Exception ex)
{
ShowUpdateMessage("Error starting processing - {0}", ex.Message);
}
finally
{
StartProcessing.Enabled = true;
this.Cursor = Cursors.Default;
}
}