private void RunCheckSumTests(PortDataParser portDataParser, Func <string, bool> testMethod)
{
expectedData.Clear();
expectedData.Add(string.Empty);
expectedData.Add(string.Empty);
expectedData[0] = "(test message)12345678\r\n";
var ok = testMethod(expectedData[0]);
Assert.True(ok);
ok = testMethod(expectedData[0]);
Assert.True(ok);
expectedData[0] = "(test message)12345678\r\n";
expectedData[1] = ")";
ok = testMethod(")(test message)12345678\r\n");
Assert.True(ok);
expectedData[0] = "";
expectedData[1] = "";
expectedData[0] = "(test message)12345678\r\n";
ok = testMethod("(test mess");
ok = testMethod("age)12345678\r\n sdfsdf ( te");
Assert.True(ok);
expectedData[0] = " sdfsdf ( test message 2)12345678\r\n";
ok = testMethod("st message 2)12345678\r\nsdffsadfsda");
Assert.True(ok);
portDataParser.ClearDataReceptionBuffer();
expectedData[0] = ")12345678\r\n";
expectedData[1] = "(2134)12345678\r\n";
ok = testMethod(")12345678\r\n");
Assert.True(ok);
ok = testMethod("(2");
Assert.True(ok);
ok = testMethod("134)12345678\r\n");
Assert.True(ok);
}
void MultiClienTCPPort_DataReadEvent(object sender, byte[] data)
{
try
{
string message = ASCIIEncoding.ASCII.GetString(data);
PortDataParser parser = new PortDataParser();
if (parser.GetRequestType(message) == RequestType.HTTPGet)
{
message = parser.ParseGetMethodData(message);
int dataIndex = message.IndexOf("?");
if (dataIndex >= 0)
{
dataIndex++;
}
if (dataIndex > 0)
{
message = message.Substring(dataIndex);
}
if (!message.Equals("/favicon.ico"))
{
message = message.Replace("%20", " ");
}
TcpClient client = sender as TcpClient;
NetworkStream stream = client.GetStream();
byte[] respons = ASCIIEncoding.ASCII.GetBytes("+OK");
stream.Write(respons, 0, respons.Length);
stream.Close();
}
if (message != null && !message.Equals("/favicon.ico"))
{
logger.Info("Data received : " + message);
}
PortServiceHelper.UpdateCallDetails(message);
}
catch (Exception ex)
{
logger.Error("Error Occurred as " + ex.Message);
}
}
public void TestAppendAndParse()
{
NamedPortEventRaiser.VirtualPortEvent += VirtualPortEventRaiser_VirtualPortEvent;
var stopWatch2 = new Stopwatch();
var tcpIpClient = new VaiTcpIpClient();
var portDataParser = new PortDataParser(tcpIpClient);
stopWatch2.Start();
RunNonCheckSumTests(portDataParser, portDataParser.AppendAndParse);
stopWatch2.Stop();
Debug.WriteLine("Stopwatch2:" + stopWatch2.ElapsedMilliseconds);
portDataParser.UseCrc32 = true;
stopWatch2.Start();
RunCheckSumTests(portDataParser, portDataParser.AppendAndParse);
stopWatch2.Stop();
Debug.WriteLine("Stopwatch2:" + stopWatch2.ElapsedMilliseconds);
}
/// <summary>
/// Start listening to incoming connections with timeout = 'timeoutLenSec'
/// Timeout event should take place after 'timeoutLenSec' seconds
/// </summary>
/// <returns></returns>
private async Task <bool> CheckForClientsAsync(int timeoutLenSec)
{
TcpClient tcpClient = null;
VaiListener listener = null;
try
{
while (keepServerRunning && !cancellation.IsCancellationRequested)
{
// If you don't check for pending messages,
// and there have been at least one active connection,
// AcceptTcpClientAsync will throw a "cannot used disposed object exception"
// when tcpServer stops.
if (!socketServer.Pending())
{
Thread.Sleep(0);
continue;
}
//Accept the pending client connection and return a TcpClient object initialized for communication.
tcpClient = await socketServer.AcceptTcpClientAsync().WithWaitCancellation(cancellation.Token);
var tcpIpClient = new VaiTcpIpClient(tcpClient);
var portDataParser = new PortDataParser(tcpIpClient);
listener = new VaiListener(tcpIpClient, portDataParser, timeoutLenSec);
var t1 = new Task(() => listener.StartListening());
t1.Start();
}
return(true);
}
// this exception may occur if there have been open connections
catch (ObjectDisposedException ex)
{
Debug.WriteLine("Exception in CheckForClient." + ex.Message);
Debug.Assert(true, ex.Message);
return(false);
}
// this exception may occur if there have been open connections
catch (OperationCanceledException ex)
{
Debug.Assert(true, ex.Message);
Debug.WriteLine("Exception in CheckForClient." + ex.Message);
return(false);
}
catch (Exception ex)
{
Debug.WriteLine("Exception in CheckForClient." + ex.Message);
Debug.Assert(false, ex.Message);
return(false);
}
finally
{
listener?.Dispose();
if (!keepServerRunning)
{
Debug.WriteLine("CheckForClient finally. keepServerRunning:" + keepServerRunning);
}
}
}
