private void btnPut_Click(object sender, EventArgs e)
{
CoApPut put = (CoApPut)NetworkInterface.Instance.ResourcePutter;
put.IpAddress = txtDevice.Text;
put.ServerPort = GatewaySettings.Instance.CoApPort;
// Drill into the device tree and fetch the related resource to fetch.
put.URI = txtURI.Text;
if (!(__Payload == null || __Payload.Length == 0))
{
put.Payload = new CoAPPayload(__Payload);
}
put.Send();
string result = "";
try
{
result = put.Response.ToString();
if (put.Response.Payload.Value != null)
{
if (put.Response.Payload.Value.Length != 0)
{
result += HdkUtils.BytesToHexView(put.Response.Payload.Value);
}
}
}
catch
{
result = "Unable to retreive response from resource";
}
// Show the outcome from the PUT request.
MessageBox.Show(result);
Cursor.Current = Cursors.Default;
}
/// <summary>
/// Called when a response is received against a sent request
/// </summary>
/// <param name="coapResp">The CoAPResponse object</param>
private void OnCoAPResponseReceived(CoAPResponse coapResp)
{
string tokenRx = (coapResp.Token != null && coapResp.Token.Value != null) ? AbstractByteUtils.ByteToStringUTF8(coapResp.Token.Value) : "";
FileLogger.Write("Received response from server - token = " + tokenRx);
FileLogger.Write(coapResp.ToString());
if (tokenRx == __Token)
{
if (BreakIfError(coapResp.Code.Value))
{
return;
}
if (coapResp.Code.Value == CoAPMessageCode.CONTENT)
{
ArrayList options = coapResp.Options.GetOptions((ushort)CoAPHeaderOption.CONTENT_FORMAT);
if (options.Count > 0)
{
CoAPContentFormatOption ccformat = new CoAPContentFormatOption();
bool proceed = false;
foreach (CoAPHeaderOption o in options)
{
ccformat = new CoAPContentFormatOption(AbstractByteUtils.ToUInt16(o.Value));
if (ccformat.IsValid())
{
proceed = true;
break;
}
}
if (proceed)
{
if (ccformat.Value == CoAPContentFormatOption.TEXT_PLAIN)
{
string result = AbstractByteUtils.ByteToStringUTF8(coapResp.Payload.Value);
__PingResult = result;
}
if (ccformat.Value == CoAPContentFormatOption.APPLICATION_OCTET_STREAM)
{
string result = HdkUtils.BytesToHexView(coapResp.Payload.Value);
__PingResult = result;
}
if (ccformat.Value == CoAPContentFormatOption.APPLICATION_JSON)
{
string result = HdkUtils.BytesToHexView(coapResp.Payload.Value);
__PingResult = result;
}
__Response = coapResp;
__Done.Set();
}
}
}
else
{
//Will come here if an error occurred..
}
}
}
/// <summary>
/// Capture the file contents.
/// </summary>
/// <param name="sender">the object dropped from</param>
/// <param name="e">the arguments containing the data content</param>
private void txtToPut_DragDrop(object sender, DragEventArgs e)
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
foreach (string file in files)
{
Console.WriteLine(file);
}
if (File.Exists(files[0]))
{
__Payload = File.ReadAllBytes(files[0]);
txtToPut.Text = HdkUtils.BytesToHexView(__Payload);
}
}
/// <summary>
/// Handle GET request
/// </summary>
/// <param name="sender">the object generating the click</param>
/// <param name="e">click-related arguments</param>
private void btnGet_Click(object sender, EventArgs e)
{
// Set the wait cursor.
Cursor.Current = Cursors.WaitCursor;
// Hide any previous results
pnlResults.Visible = false;
lblResult.Visible = false;
CoApGet get = (CoApGet)NetworkInterface.Instance.ResourceGetter;
// Use the device property for the target location.
get.IpAddress = txtDevice.Text;
// Use the pre-defined CoAP port number.
get.ServerPort = GatewaySettings.Instance.CoApPort;
// Use the resource property for the target resource.
get.URI = txtURI.Text;
// Send the request!
get.Send();
// Parse out the GET response.
try
{
txtResult.Text = get.Response.ToString();
if (get.Response.Payload.Value != null)
{
if (get.Response.Payload.Value.Length != 0)
{
txtResult.Text += HdkUtils.BytesToHexView(get.Response.Payload.Value);
}
}
}
catch
{
txtResult.Text = "Unable to retreive response from resource";
}
// Finally, make the results visible.
pnlResults.Visible = true;
lblResult.Visible = true;
// Reset the wait cursor.
Cursor.Current = Cursors.Default;
}
public void SetGetResult(byte[] payload)
{
string discovery = AbstractByteUtils.ByteToStringUTF8(payload);
Console.WriteLine("Discovery = " + discovery);
__GetResult = discovery;
__InternalPayload = payload;
CoAPResponse coapResp = new CoAPResponse();
try
{
coapResp.FromByteStream(payload);
string tokenRx = (coapResp.Token != null && coapResp.Token.Value != null) ? AbstractByteUtils.ByteToStringUTF8(coapResp.Token.Value) : "";
if (tokenRx == __Token)
{
if (coapResp.Code.Value == CoAPMessageCode.CONTENT)
{
ArrayList options = coapResp.Options.GetOptions((ushort)CoAPHeaderOption.CONTENT_FORMAT);
if (options.Count > 0)
{
CoAPContentFormatOption ccformat = new CoAPContentFormatOption();
bool proceed = false;
foreach (CoAPHeaderOption o in options)
{
ccformat = new CoAPContentFormatOption(AbstractByteUtils.ToUInt16(o.Value));
if (ccformat.IsValid())
{
proceed = true;
break;
}
}
if (proceed)
{
if (ccformat.Value == CoAPContentFormatOption.TEXT_PLAIN)
{
string result = AbstractByteUtils.ByteToStringUTF8(coapResp.Payload.Value);
Console.WriteLine("Get " + " = " + result);
__GetResult = result;
}
if (ccformat.Value == CoAPContentFormatOption.APPLICATION_OCTET_STREAM)
{
string result = HdkUtils.BytesToHexView(coapResp.Payload.Value);
Console.WriteLine("Get " + " = " + result);
__GetResult = result;
}
if (ccformat.Value == CoAPContentFormatOption.APPLICATION_JSON)
{
string result = HdkUtils.BytesToHexView(coapResp.Payload.Value);
Console.WriteLine("Get " + " = " + result);
__GetResult = result;
}
__Response = coapResp;
}
}
}
else
{
//Will come here if an error occurred..
}
}
}
catch
{ }
}