private bool InitDevice()
{
if (_current_if == null)
{
MessageBox.Show("Please select network interface first", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
if (rbModeRouting.Checked)
{
_mode = DEVICE_MODE.MODE_ROUTING;
}
if (rbModeTunneling.Checked)
{
_mode = DEVICE_MODE.MODE_TUNNELING;
}
if (_sock != null && _sock.IsBound)
{
_sock.Close();
}
string local_addr = this.ipAddressControl1.Text;
_local_endpoint = new IPEndPoint(IPAddress.Parse(local_addr), (int)this.numericUpDown1.Value);
_sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.IP);
_sock.Bind(_local_endpoint);
switch (_mode)
{
case DEVICE_MODE.MODE_ROUTING:
IPAddress multicast_addr = IPAddress.Parse(DEFAULT_MULTICAST_ADDRESS);
MulticastOption option = new MulticastOption(multicast_addr);
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, option);
_remote_data_endpoint = new IPEndPoint(multicast_addr, DEFAULT_EIB_PORT);
this.ipAddressControl1.Text = DEFAULT_MULTICAST_ADDRESS;
break;
case DEVICE_MODE.MODE_TUNNELING:
IPAddress maddr = IPAddress.Parse(DEFAULT_MULTICAST_ADDRESS);
MulticastOption opt = new MulticastOption(maddr, IPAddress.Parse(local_addr));
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, opt);
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastLoopback, true);
//_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.ReuseAddress, 1);
_recv_sequence = 0;
_send_sequence = 0;
this.ipAddressControl1.Text = local_addr;
break;
}
return(true);
}
private bool InitDevice()
{
if (_current_if == null)
{
MessageBox.Show("Please select network interface first", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
if (rbModeRouting.Checked)
{
_mode = DEVICE_MODE.MODE_ROUTING;
}
if (rbModeTunneling.Checked)
{
_mode = DEVICE_MODE.MODE_TUNNELING;
}
if(_sock != null && _sock.IsBound)
_sock.Close();
string local_addr = this.ipAddressControl1.Text;
_local_endpoint = new IPEndPoint(IPAddress.Parse(local_addr), (int)this.numericUpDown1.Value);
_sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.IP);
_sock.Bind(_local_endpoint);
switch (_mode)
{
case DEVICE_MODE.MODE_ROUTING:
IPAddress multicast_addr = IPAddress.Parse(DEFAULT_MULTICAST_ADDRESS);
MulticastOption option = new MulticastOption(multicast_addr);
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, option);
_remote_data_endpoint = new IPEndPoint(multicast_addr, DEFAULT_EIB_PORT);
this.ipAddressControl1.Text = DEFAULT_MULTICAST_ADDRESS;
break;
case DEVICE_MODE.MODE_TUNNELING:
IPAddress maddr = IPAddress.Parse(DEFAULT_MULTICAST_ADDRESS);
MulticastOption opt = new MulticastOption(maddr, IPAddress.Parse(local_addr));
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, opt);
_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastLoopback, true);
//_sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.ReuseAddress, 1);
_recv_sequence = 0;
_send_sequence = 0;
this.ipAddressControl1.Text = local_addr;
break;
}
return true;
}
