public static async Task <NetworkDeviceItem> Create(DeviceItem di, NetworkDeviceItemLevel ndil, //ndil will be unnecessary now when ndi references levels
NetworkDeviceItemWorkMode workMode, SubnetLevel subnetLevel, IoSystemLevel ioSystemLevel)
{
NetworkInterface ni = ((IEngineeringServiceProvider)di).GetService <NetworkInterface>();
if (ni == null)
{
return(null);
}
Node node = ni.Nodes[0];
// This hack is for distinguishing between HMI and Ethernet Commissioning device.
// The proper way would be to find some attribute that differentiates them but I could not find any
// You could check for existence of any profinet attribute but GetAttributeInfos is **HEAVY**
if (ni.IoConnectors.Count == 0 && ni.IoControllers.Count == 0)
{
try
{
node.GetAttribute("PnDeviceNameAutoGeneration");
}
catch
{
return(null);
}
}
string nodeType = node.GetAttribute("NodeType").ToString();
if (!nodeType.Equals("Ethernet"))
{
return(null);
}
var ndi = new NetworkDeviceItem(di, node, ndil, workMode, subnetLevel, ioSystemLevel);
await ndi.UpdateAllParameters().ConfigureAwait(false);
return(ndi);
}
private NetworkDeviceItem(DeviceItem di, Node node, NetworkDeviceItemLevel ndil, NetworkDeviceItemWorkMode workMode,
SubnetLevel subnetLevel, IoSystemLevel ioSystemLevel)
{
this.itemLevel = ndil;
this.deviceItem = di;
this.node = node;
this.IoSystemLevel = ioSystemLevel;
this.SubnetLevel = subnetLevel;
this.workMode = workMode;
}
