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Issue 44 Resolution #45

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Issue 44 Resolution #45

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46 changes: 26 additions & 20 deletions EEIP.NET/EIPClient.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -178,40 +178,46 @@ public class UdpState
List<Encapsulation.CIPIdentityItem> returnList = new List<Encapsulation.CIPIdentityItem>();

/// <summary>
/// List and identify potential targets. This command shall be sent as braodcast massage using UDP.
/// List and identify potential targets. This command shall be sent as braodcast message using UDP.
/// </summary>
/// <returns>List<Encapsulation.CIPIdentityItem> contains the received informations from all devices </returns>
public List<Encapsulation.CIPIdentityItem> ListIdentity()
{

foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
{
if (ni.NetworkInterfaceType == NetworkInterfaceType.Wireless80211 || ni.NetworkInterfaceType == NetworkInterfaceType.Ethernet)
if (ni.OperationalStatus != OperationalStatus.Up)
{
continue;
}

foreach (UnicastIPAddressInformation ip in ni.GetIPProperties().UnicastAddresses)
if (ni.NetworkInterfaceType != NetworkInterfaceType.Wireless80211 && ni.NetworkInterfaceType != NetworkInterfaceType.Ethernet)
{
continue;
}

foreach (UnicastIPAddressInformation ip in ni.GetIPProperties().UnicastAddresses)
{
if (ip.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
if (ip.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
System.Net.IPAddress mask = ip.IPv4Mask;
System.Net.IPAddress address = ip.Address;
System.Net.IPAddress mask = ip.IPv4Mask;
System.Net.IPAddress address = ip.Address;

String multicastAddress = (address.GetAddressBytes()[0] | (~(mask.GetAddressBytes()[0])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[1] | (~(mask.GetAddressBytes()[1])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[2] | (~(mask.GetAddressBytes()[2])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[3] | (~(mask.GetAddressBytes()[3])) & 0xFF).ToString();
String multicastAddress = (address.GetAddressBytes()[0] | (~(mask.GetAddressBytes()[0])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[1] | (~(mask.GetAddressBytes()[1])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[2] | (~(mask.GetAddressBytes()[2])) & 0xFF).ToString() + "." + (address.GetAddressBytes()[3] | (~(mask.GetAddressBytes()[3])) & 0xFF).ToString();

byte[] sendData = new byte[24];
sendData[0] = 0x63; //Command for "ListIdentity"
System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
System.Net.IPEndPoint endPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Parse(multicastAddress), 44818);
udpClient.Send(sendData, sendData.Length, endPoint);
byte[] sendData = new byte[24];
sendData[0] = 0x63; //Command for "ListIdentity"
System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
System.Net.IPEndPoint endPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Parse(multicastAddress), 44818);
udpClient.Send(sendData, sendData.Length, endPoint);

UdpState s = new UdpState();
s.e = endPoint;
s.u = udpClient;
UdpState s = new UdpState();
s.e = endPoint;
s.u = udpClient;

var asyncResult = udpClient.BeginReceive(new AsyncCallback(ReceiveCallback), s);
var asyncResult = udpClient.BeginReceive(new AsyncCallback(ReceiveCallback), s);

System.Threading.Thread.Sleep(1000);
}
System.Threading.Thread.Sleep(1000);
}
}
}
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