private void LoadNodes()
{
CoApDeviceFinder finder = (CoApDeviceFinder)NetworkInterface.Instance.NodeFinder;
CoApDevices devices = finder.LoadNodes();
foreach (CoApDevice d in devices)
{
lstDevices.Items.Add(d.Name);
}
}
/// <summary>
/// Load devices based on the network interface settings.
/// For each valid device, load a list of related CoAP resources.
/// </summary>
private void LoadNodes()
{
Cursor.Current = Cursors.WaitCursor; // Show as buys while loading the resources.
FileLogger.Write("Loading all known devices");
// Load the correct device class based on current network option
CoApDeviceFinder finder = (CoApDeviceFinder)NetworkInterface.Instance.NodeFinder;
CoApDevices devices = new CoApDevices();
try
{
// With the Ping change, we are capturing the gateway credentials earlier than we had planned.
//SetGatewayCoapApiCredentials();
devices = finder.LoadNodes();
}
catch (Exception devFail)
{
MessageBox.Show("Device fetch failed - " + devFail.Message);
return;
}
// Loop through all fetched devices.
// If the device was successfully pinged, then we can load related resources.
// Otherwise, we ignore it.
foreach (CoApDevice d in devices)
{
TreeNode deviceNode = treeDevices.Nodes.Add(d.Name);
if (d.Reachable)
{
deviceNode.ForeColor = treeDevices.ForeColor;
if (NetworkInterface.Instance.UsingGateway)
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetwork;
}
if (NetworkInterface.Instance.UsingSimulator)
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetworkV6;
}
// We should never get here, but this is added in case we add other communication methods later.
if (!NetworkInterface.Instance.UsingGateway && !NetworkInterface.Instance.UsingSimulator)
{
if (HdkUtils.IsIPv4Address(d.Name))
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetwork;
}
else
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetworkV6;
}
}
// We need to load the credentials if they have not already been set.
bool credentialsOk = true;
//if (NetworkInterface.Instance.UsingGateway)
//{
// credentialsOk = SetGatewayCoapApiCredentials();
//}
// Check to see if we are ready to load resources related to a device.
if (__LoadResources && credentialsOk)
{
//d.Resources = LoadResources(deviceNode);
}
}
// Unreachable devices will be grayed out.
else
{
deviceNode.ForeColor = Color.Gray;
}
}
// Expand the tree so that all loaded devices and resources are visible.
treeDevices.ExpandAll();
Cursor.Current = Cursors.Default; // Clear the "busy" cursor
}
