public async Task StartClient(string ip, int port, string startParameter)
{
// Connect to a remote device.
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
try
{
GerLog.PrintInfo($"IP: {ip} | Port: {port} | Start parameter: {startParameter} ");
ipAddress = IPAddress.Parse(ip);
remoteEP = new IPEndPoint(ipAddress, port);
client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
await Task.Run(() => BeginConnectionAsync());
// Send test data to the remote device.
await Task.Run(() => SendAsync(startParameter));
// Receive the response from the remote device.
await Task.Run(() => ReceiveAsync());
// Write the response to the console.
GerLog.PrintInfo("Response received");
//Disconnect(client);
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}
public static bool IsSingleEntry(DataTable table)
{
if (table.Rows.Count == 0)
{
GerLog.PrintError($"Database error. No etry found!");
MessageBox.Show($"Anzahl der Einträge {table.Rows.Count}. Die Datenbank muss gepflegt werden.\nRufen Sie bitte den Administrator.", "Datenbankfehlermeldung", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
else if (table.Rows.Count == 1)
{
return(true);
}
else if (table.Rows.Count > 1)
{
MessageBox.Show($"Anzahl der Einträge {table.Rows.Count}. Die Datenbank muss gepflegt werden.\nRufen Sie bitte den Administrator.", "Datenbankfehlermeldung", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
else
{
GerLog.PrintError($"Database mismatch");
MessageBox.Show($"Anzahl der Einträge {table.Rows.Count}. Rufen Sie bitte den Administrator!\n Mehr Info finden Sie in der Log-Datei.", "Fehlermeldung", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
private void Application_Startup(object sender, StartupEventArgs e)
{
try
{
MainWindow mw = new MainWindow();
mw.Show();
}
catch (Exception ex)
{
GerLog.PrintError($"{ex}");
}
}
private void Receive(Socket client)
{
try
{
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
// Create the state object.
StateObject state = new StateObject();
state.workSocket = client;
// Begin receiving the data from the remote device.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.UTF8.GetString(state.buffer, 0, bytesRead));
// Get the rest of the data.
client.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReceiveCallback), state);
GerLog.PrintDebug($">>>>>{counter}. Zwischenergebnis {state.sb}");
OnMesseageRecived($"{counter}. Zwischenergebnis:\n{state.sb}\n\n");
}
else
{
// All the data has arrived; put it in response.
if (state.sb.Length > 1)
{
OnMesseageRecived($"{counter}. Endergebnis: \n{state.sb}\n");
GerLog.PrintInfo($">>>>> Endergebnis: {state.sb}");
}
// Signal that all bytes have been received.
receiveDone.Set();
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
counter++;
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}
private void SendCallback(IAsyncResult ar)
{
try
{
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete sending the data to the remote device.
int bytesSent = client.EndSend(ar);
GerLog.PrintInfo($"Sent {bytesSent} bytes to server.");
// Signal that all bytes have been sent.
sendDone.Set();
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}
private void ConnectCallback(IAsyncResult ar)
{
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete the connection.
client.EndConnect(ar);
GerLog.PrintInfo("ConnectCallback Socket connected to {0}",
client.RemoteEndPoint.ToString());
// Signal that the connection has been made.
connectDone.Set();
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}
public void StartClient(string ip, int port, string startParameter)
{
// Connect to a remote device.
GerLog.PrintInfo($">>> {MethodBase.GetCurrentMethod().Name}");
try
{
GerLog.PrintInfo($"IP: {ip} | Port: {port} | Start parameter: {startParameter}");
ipAddress = IPAddress.Parse(ip);
remoteEP = new IPEndPoint(ipAddress, port);
client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
// Send test data to the remote device.
Send(client, startParameter);
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
GerLog.PrintInfo("Response received");
//Disconnect(client);
GerLog.PrintInfo($"<<< {MethodBase.GetCurrentMethod().Name}");
}
catch (Exception e)
{
GerLog.PrintError($"{e}");
}
}