/// <summary>
/// Send CoAP request to the server
/// </summary>
public override void Send()
{
string device = __IpAddress;
string serverIP = "localhost";
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.AckTimeout = __Timeout;
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPRequestReceived += new CoAPRequestReceivedHandler(OnCoAPRequestReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
//Send a NON request to get the temperature...in return we will get a NON request from the server
coapReq = new CoAPRequest(this.ConfirmableMessageType, //CoAPMessageType.NON
CoAPMessageCode.GET,
HdkUtils.MessageId()); //hardcoded message ID as we are using only once
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + "/" + __IpAddress + "/.well-known/core"; //"/sensors/temp";"/time";//
coapReq.SetURL(uriToCall);
SetToken();
__coapClient.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
__Done.Close();
__Done = null;
__coapClient.Shutdown();
__coapClient = null;
}
/// <summary>
/// This method composes a UDP call to the simulator to acquire the device list.
/// </summary>
private void RequestDeviceList()
{
string serverIP = __IpAddress;
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.AckTimeout = __Timeout;
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPRequestReceived += new CoAPRequestReceivedHandler(OnCoAPRequestReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
//Send a NON request to get the temperature...in return we will get a NON request from the server
coapReq = new CoAPRequest(this.ConfirmableMessageType, //CoAPMessageType.NON
CoAPMessageCode.GET,
HdkUtils.MessageId()); //hardcoded message ID as we are using only once
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + "/devices"; //"/sensors/temp";"/time";//
coapReq.SetURL(uriToCall);
__Token = DateTime.Now.ToString("HHmmss"); //Token value must be less than 8 bytes
coapReq.Token = new CoAPToken(__Token); //A random token
__coapClient.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
__Done.Close();
__Done = null;
__coapClient.Shutdown();
__coapClient = null;
}
/// <summary>
/// Send the CoAP request to the server
/// </summary>
public override void Send()
{
string device = __IpAddress;
string serverIP = "localhost";
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,//CoAPMessageType.NON,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + "/" + __IpAddress + __URI;
coapReq.SetURL(uriToCall);
SetToken();
// Send out the request.
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
__coapClient.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPError);
}
public override void Send()
{
// If we can't establish a socket with a good login to the gateway api, then just return;
bool gotSession = false;
try
{
gotSession = CoApGatewaySessionManager.Instance.EstablishSession();
}
catch (Exception noSession)
{
FileLogger.Write("Error obtaining session");
FileLogger.Write(noSession.Message);
FileLogger.Write(noSession.StackTrace);
this.ErrorResult = "Error obtaining session" + noSession.Message;
}
if (!gotSession)
{
FileLogger.Write("Session NOT Established");
return;
}
string serverIP = __IpAddress;
// Set the response handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
SetToken();
// Send out the request.
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet header
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
coapReq.Timeout = GatewaySettings.Instance.RequestTimeout;//////////////////////////////////////
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPError);
}
private void AcknowledgeResponse(CoAPResponse coapResp)
{
string serverIP = __IpAddress;
// Response handlers already set - leave them alone
coapReq = new CoAPRequest(CoAPMessageType.ACK,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
__Token = DateTime.Now.ToString("HHmmss");//Token value must be less than 8 bytes
coapReq.Token = coapResp.Token;
string blat = coapReq.ToString();
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
FileLogger.Write("About to send CoAP ACK request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
}
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;
}
public override void Send()
{
string serverIP = __IpAddress;
__coapClient = new CoAPClientChannel();
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPRequestReceived += new CoAPRequestReceivedHandler(OnCoAPRequestReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
//Send a NON request to get the temperature...in return we will get a NON request from the server
coapReq = new CoAPRequest(CoAPMessageType.RST,
CoAPMessageCode.GET,
HdkUtils.MessageId()); //hardcoded message ID as we are using only once
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
__Token = DateTime.Now.ToString("HHmmss"); //Token value must be less than 8 bytes
coapReq.Token = new CoAPToken(__Token); //A random token
__coapClient.Send(coapReq);
__Done.WaitOne();
__Done.Reset();
__Done.Close();
__Done = null;
__coapClient.Shutdown();
__coapClient = null;
}
public new void Send()
{
string serverIP = __IpAddress;//coapsharp.Properties.Settings.Default.IpAddress;// "10.90.202.182";//"localhost";
if (HdkUtils.IsIPv4Address(serverIP))
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetwork;
}
else
{
CoAPSettings.Instance.AddressFamily = System.Net.Sockets.AddressFamily.InterNetworkV6;
}
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType, //CoAPMessageType.NON,
CoAPMessageCode.GET,
100); //hardcoded message ID as we are using only once
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
__Token = DateTime.Now.ToString("HHmmss"); //Token value must be less than 8 bytes
coapReq.Token = new CoAPToken(__Token); //A random token
__coapClient.Send(coapReq);
__Done.WaitOne();
__Done.Reset();
__Done.Close();
__Done = null;
__coapClient.Shutdown();
__coapClient = null;
}
/// <summary>
/// Handle About menu item click
/// </summary>
/// <param name="sender">the object related to the click event</param>
/// <param name="e">all events related to the request</param>
private void mnuAbout_Click(object sender, EventArgs e)
{
// Fetch the version number from this assembly.
System.Reflection.Assembly thisAssembly = System.Reflection.Assembly.GetExecutingAssembly();
MessageBox.Show(this.Text + "\r\nVersion " + HdkUtils.GetAssemblyVersion(thisAssembly)
+ "\r\nCopyright 2016, 2017 Silver Spring Networks", "About HDK CoAP Client", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
/// <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..
}
}
}
public override void Send()
{
// If we can't establish a socket with a good login to the gateway api, then just return;
if (!CoApGatewaySessionManager.Instance.EstablishSession())
{
return;
}
string serverIP = __IpAddress;
// Set the response handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPError);
__URI = "/";
coapReq = new CoAPRequest(CoAPMessageType.CON,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
SetToken();
// Send out the request.
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
//////coapReq = new CoAPRequest(CoAPMessageType.CON,
////// CoAPMessageCode.EMPTY,
////// HdkUtils.MessageId());
//////string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress);// + ":" + __ServerPort + __URI;
//////coapReq.SetURL(uriToCall);
////////SetToken();
//////// Send out the request.
////////coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPError);
}
/// <summary>
/// Perform a session request (acquire or terminate).
/// </summary>
/// <param name="messageCode">CoAPMessageCode.POST for establishing a session or oAPMessageCode.DELETE for terminating a session</param>
/// <returns>a boolean indicating success or failure of the request</returns>
private bool SessionCall(byte messageCode)
{
__TimedOut = true;
__SessionRequestSucceeded = false;
string token = GatewaySettings.Instance.SfdpToken;
//api.coap-test.developer.ssni.com
string serverIP = AbstractNetworkUtils.GetIPAddressFromHostname(GatewaySettings.Instance.GatewayURI).ToString();
__coapClient.Initialize(GatewaySettings.Instance.GatewayURI, __ServerPort);
__coapClient.AckTimeout = __Timeout;
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPSessionResponseReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
messageCode,
HdkUtils.MessageId());
string uriToCall = "coap://" + GatewaySettings.Instance.GatewayURI + ":"
+ __ServerPort + "/sessions?security=none";//?token="
//+ GatewaySettings.Instance.SfdpToken;
//+ "&security=none";
coapReq.SetURL(uriToCall);
byte[] zero = { 0x00 };
coapReq.AddOption(CoAPHeaderOption.CONTENT_FORMAT, zero);
if (messageCode != CoAPMessageCode.DELETE)
{
coapReq.Payload = new CoAPPayload(GatewaySettings.Instance.SfdpToken);
}
SetToken();
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY); // JJK - Change in v2.0.7
FileLogger.Write("About to send session request");
try
{
FileLogger.Write(coapReq.ToString());
}
catch (Exception flErr)
{
FileLogger.Write(flErr.Message);
}
__coapClient.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
if (__TimedOut)
{
this.ErrorResult = "Request timed out";
FileLogger.Write(this.ErrorResult);
}
__coapClient.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPSessionResponseReceived);
return(__SessionRequestSucceeded);
}
/// <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);
}
}
public void StartObserving()
{
string serverIP = __IpAddress;
// Set the response handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPObserveResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
SetToken();
string blat = coapReq.ToString();
byte[] observerOption = new byte[1];
observerOption[0] = 0; // Start observing
coapReq.Options.AddOption(CoAPHeaderOption.OBSERVE, new byte[0]);
//coapReq.Options.AddOption(CoAPHeaderOption.OBSERVE, observerOption);
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
__Observing = true;
while (__Observing)
{
//FileLogger.Write(CoApGatewaySessionManager.Instance.Client.ToString());
Application.DoEvents();
Thread.Sleep(100);
//__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
}
__Done.Reset();
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public new byte[] ToBytes()
{
string serverIP = __IpAddress; //coapsharp.Properties.Settings.Default.IpAddress;// "10.90.202.182";//"localhost";
coapReq = new CoAPRequest(this.ConfirmableMessageType, //CoAPMessageType.NON,
CoAPMessageCode.GET,
HdkUtils.MessageId()); //hardcoded message ID as we are using only once
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
__Token = DateTime.Now.ToString("HHmmss"); //Token value must be less than 8 bytes
coapReq.Token = new CoAPToken(__Token); //A random token
byte[] b = __coapClient.ToBytes(coapReq);
return(b);
}
/// <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;
}
/// <summary>
/// Send the PUT request
/// </summary>
public override void Send()
{
string serverIP = __IpAddress;
// Set up the handlers
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.PUT,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
SetToken();
byte[] octet = new byte[1];
// As of this moment, the expectation is that the content is an octet stream.
octet[0] = (byte)CoAPContentFormatOption.APPLICATION_OCTET_STREAM;
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
coapReq.Options.AddOption(CoAPHeaderOption.CONTENT_FORMAT, octet);
coapReq.Payload = __Payload;
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
}
/// <summary>
/// Send the request to the CoAP server.
/// </summary>
public override void Send()
{
string serverIP = __IpAddress;
// Set the response handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.DELETE,
HdkUtils.MessageId());
string uriToCall = "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + __ServerPort + __URI;
coapReq.SetURL(uriToCall);
SetToken();
// JJK - Changes in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + HdkUtils.UriFromMac(__IpAddress) + ":" + "4849" + __URI);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// JJK - end of Changes in v2.0.7
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPError);
}
/// <summary>
/// Send the request to the CoAP server.
/// </summary>
public override void Send()
{
string device = __IpAddress;
string serverIP = "localhost";
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.Initialize(serverIP, __ServerPort);
__coapClient.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
__coapClient.CoAPError += new CoAPErrorHandler(OnCoAPError);
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.DELETE,
HdkUtils.MessageId());
string uriToCall = "coap://" + serverIP + ":" + __ServerPort + "/" + __IpAddress + __URI;
coapReq.SetURL(uriToCall);
SetToken();
// Send out the request.
byte[] octet = new byte[1];
// As of this moment, the expectation is that the content is an octet stream.
octet[0] = (byte)CoAPContentFormatOption.APPLICATION_OCTET_STREAM;
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
coapReq.Options.AddOption(CoAPHeaderOption.CONTENT_FORMAT, octet);
coapReq.Payload = __Payload;
FileLogger.Write("About to send CoAP request");
FileLogger.Write(coapReq.ToString());
__coapClient.Send(coapReq);
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
__Done.Reset();
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPError);
}
/// <summary>
/// Load resources associated with a specific device.
/// This is the CoAP Gateway implementation of CoApDiscovery.
/// </summary>
/// <returns>a collection of CoApResource objects</returns>
///
public override CoApResources LoadResources()
{
// If we can't establish a socket with a good login to the gateway api, then just return;
bool gotSession = false;
try
{
gotSession = CoApGatewaySessionManager.Instance.EstablishSession();
}
catch (Exception noSession)
{
FileLogger.Write("Error obtaining session");
FileLogger.Write(noSession.Message);
FileLogger.Write(noSession.StackTrace);
this.ErrorResult = "Error obtaining session" + noSession.Message;
}
if (!gotSession)
{
FileLogger.Write("Session NOT Established");
return(null);
}
// This represents the device being examined.
string serverIP = __IpAddress;
// Set up the notification handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived += new CoAPResponseReceivedHandler(OnCoAPDiscoveryResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError += new CoAPErrorHandler(OnCoAPDiscoveryError);
__TimedOut = true;
// Discovery requires confirmation and a message type of GET
coapReq = new CoAPRequest(this.ConfirmableMessageType,
CoAPMessageCode.GET,
HdkUtils.MessageId());
string uriToCall = "coap://" + UriFromMac(__IpAddress) + ":" + __ServerPort + "/.well-known/core";//"/.well-known/core";
coapReq.SetURL(uriToCall);
SetToken();
// Send out the coap request
// JJK - Change in v2.0.7
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_SCHEME, "coap");
// make Proxy packet Change in v2.0.7
coapReq.Options.AddOption(CoAPHeaderOption.BLOCK2, new byte[] { CoAPBlockOption.BLOCK_SIZE_128 });
//coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://SSN001350050047dc9a.SG.YEL01.SSN.SSNSGS.NET:4849/.well-known/core");
coapReq.Options.AddOption(CoAPHeaderOption.PROXY_URI, "coap://" + UriFromMac(__IpAddress) + ":" + "4849" + "/.well-known/core");
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_HOST);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_QUERY);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PATH);
coapReq.Options.RemoveOption(CoAPHeaderOption.URI_PORT);
coapReq.Options.RemoveOption(CoAPHeaderOption.CONTENT_FORMAT);
// end of Changes in v2.0.7
FileLogger.Write("About to send Gateway resource request");
FileLogger.Write(coapReq.ToString());
CoApGatewaySessionManager.Instance.Client.Send(coapReq);
CoApDiscoveryResponse response = null;
// Wait for a response from the discovery request.
// Time out after the pre-defined maximum wait time.
__Done.WaitOne(GatewaySettings.Instance.RequestTimeout);
response = this.DiscoveryResponse;
// Reset the wait object
__Done.Reset();
if (__TimedOut)
{
this.ErrorResult = "Request timed out";
}
// Remove event handlers.
CoApGatewaySessionManager.Instance.Client.CoAPResponseReceived -= new CoAPResponseReceivedHandler(OnCoAPDiscoveryResponseReceived);
CoApGatewaySessionManager.Instance.Client.CoAPError -= new CoAPErrorHandler(OnCoAPDiscoveryError);
return(response.Resources);
}
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
{ }
}
/// <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
}
