private void btnStartStop_Click(object sender, EventArgs e)
{
AsterixReplay.ReplayStatus ReplayStatus = AsterixReplay.LANReplay.GetCurrentStatus();
switch (ReplayStatus)
{
case AsterixReplay.ReplayStatus.Disconnected:
bool Input_Validated = true;
IPAddress IP = IPAddress.Any;
IPAddress Multicast = IPAddress.Any;
int PortNumber = 2222;
if (labelSourceFile.Text == "N/A")
{
MessageBox.Show("Please set the input file");
Input_Validated = false;
}
else
{
// First make sure that all boxes are filled out
if ((!string.IsNullOrEmpty(this.txtboxIPAddress.Text)) &&
(!string.IsNullOrEmpty(this.comboBoxNetworkInterface.Text)) &&
(!string.IsNullOrEmpty(this.textboxPort.Text)))
{
// Validate that a valid IP address is entered
if ((IPAddress.TryParse(this.txtboxIPAddress.Text, out Multicast) != true) || (IPAddress.TryParse(this.comboBoxNetworkInterface.Text, out IP) != true))
{
MessageBox.Show("Not a valid IP address");
Input_Validated = false;
}
else // Add a check that this is a valid multicast address
{
UdpClient TempSock;
TempSock = new UdpClient(2222);// Port does not matter
// Open up a new socket with the net IP address and port number
try
{
TempSock.JoinMulticastGroup(Multicast, 50); // 50 is TTL value
}
catch
{
MessageBox.Show("Not valid Multicast address (has to be in range 224.0.0.0 to 239.255.255.255");
Input_Validated = false;
}
if (TempSock != null)
TempSock.Close();
}
if (int.TryParse(this.textboxPort.Text, out PortNumber) && (PortNumber >= 1 && PortNumber <= 65535))
{
}
else
{
MessageBox.Show("Invalid Port number");
Input_Validated = false;
}
}
else
{
MessageBox.Show("Please fill out all data fileds");
Input_Validated = false;
}
}
// Input has been validated, so lets connect to the provided multicast address and interface
if (Input_Validated == true)
{
// Syntatically all the provided data is valid, so save it off so it persists over the sessions
Properties.Settings.Default.ReplayMulticast = this.txtboxIPAddress.Text;
Properties.Settings.Default.ReplayPort = this.textboxPort.Text;
Properties.Settings.Default.Save();
if (AsterixReplay.LANReplay.Connect(labelSourceFile.Text, IP, Multicast, PortNumber) == true)
{
this.btnStartPause.Enabled = true;
this.btnStartPause.Text = "Start";
this.btnConnectDisconnect.Text = "Disconnect";
lblBytesSent.Text = "0 Bytes";
}
else
{
MessageBox.Show("No connection is possible, please check multicast address and port and interface address");
}
}
break;
// Anything else just disconnect
case AsterixReplay.ReplayStatus.Connected:
case AsterixReplay.ReplayStatus.Paused:
case AsterixReplay.ReplayStatus.Replaying:
AsterixReplay.LANReplay.Disconnect();
this.btnStartPause.Text = "Start";
this.btnConnectDisconnect.Text = "Connect";
this.btnStartPause.Enabled = false;
this.progressBar1.Visible = false;
ReplayHasCompleted = false;
break;
}
}
