private void lstDevices_DoubleClick(object sender, EventArgs e)
{
Cursor.Current = Cursors.WaitCursor;
// Ignore items that are currently unreachable.
if (lstDevices.SelectedItem.ToString().Contains("UNREACHABLE") || lstDevices.SelectedItem.ToString().Trim() == "")
{
return;
}
CoApDiscovery disc = (CoApDiscovery)NetworkInterface.Instance.DiscoveryRequest;
disc.ServerPort = Convert.ToInt32(cboPort.Text);
disc.IpAddress = lstDevices.SelectedItem.ToString();
CoApResources resources = disc.LoadResources();
foreach (CoApResource res in resources)
{
TreeNode resNode = treeResources.Nodes.Add(res.URI);
foreach (CoApLinkAttribute a in res.LinkAttributes)
{
TreeNode[] node = new TreeNode[1];
node[0] = new TreeNode(a.ToString());
resNode.Nodes.AddRange(node);
}
}
disc = null;
GC.Collect();
Cursor.Current = Cursors.Default;
////////string blat = Serialization.SerializeObject(response);
////////blat = Serialization.JSONSerialize(response);
////////txtResult.Text = blat;
}
/// <summary>
/// Display a form to load the user's Gateway credentials.
/// </summary>
/// <returns>a boolean indicating whether or not we successfully set credentials</returns>
//private bool SetGatewayCoapApiCredentials()
//{
// FileLogger.Write("Fetch Gateway credentials");
// // If we have already established credentials don't display the credentials form.
// // If credentials are incorrect or we want to use a different set, then they must be reset via the UI.
// if (GatewaySettings.Instance.CoApPassword != "" && GatewaySettings.Instance.CoApId != "")
// return true;
// frmCoApApiLogin f = new frmCoApApiLogin();
// DialogResult r = f.ShowDialog();
// // OK and CANCEL are the only dialog results allowed.
// // If we get an OK, it is assumed that the credentials have been loaded.
// if (r == DialogResult.OK)
// return true;
// FileLogger.Write("Credentials not loaded");
// return false;
//}
/// <summary>
/// Load detalis of all CoAP resources associated with a device
/// </summary>
/// <param name="device">The tree node in the device list containing the device</param>
private CoApResources LoadResources(TreeNode device)
{
Cursor.Current = Cursors.WaitCursor; // Show as buys while loading the resources.
FileLogger.Write("Loading all known resources for device " + device.Text);
device.Nodes.Clear();
CoApDiscovery disc = (CoApDiscovery)NetworkInterface.Instance.DiscoveryRequest;
disc.ServerPort = GatewaySettings.Instance.CoApPort;
disc.IpAddress = device.Text;
CoApResources resources = disc.LoadResources();
// Display the error where we would otherwise have displayed the resources.
if (disc.ErrorResult != "")
{
TreeNode[] resNode = new TreeNode[1];
device.ForeColor = Color.Red;
resNode[0] = new TreeNode(disc.ErrorResult);
device.Nodes.AddRange(resNode);
}
if (resources != null && disc.ErrorResult == "")
{
FileLogger.Write("Resources returned");
foreach (CoApResource res in resources)
{
TreeNode[] resNode = new TreeNode[1];
resNode[0] = new TreeNode(res.URI);
device.Nodes.AddRange(resNode);
foreach (CoApLinkAttribute a in res.LinkAttributes)
{
TreeNode[] node = new TreeNode[1];
node[0] = new TreeNode(a.ToString());
resNode[0].Nodes.AddRange(node);
}
}
}
else
{
FileLogger.Write("Resources NOT returned");
}
disc = null;
GC.Collect();
Cursor.Current = Cursors.Default; // Clear the "busy" cursor
return(resources);
}
/// <summary>
/// Constructor that takes the gateway discovery response and
/// produces a resource list for the target device.
/// </summary>
/// <param name="resp">the string containing all resources discovered</param>
public CoApDiscoveryResponse(string resp)
{
__Resources = new CoApResources(resp);
}