/// <summary>
/// Gets the nodes status and compares it to the currently stored status.
/// </summary>
/// <returns>Bool indicating whether the statuses are different or not</returns>
private bool CheckStatus()
{
//fetch status
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getStatus</RequestName>";
//return the nodeid with sensor as input
try
{
//make the XML string to send
string selected = listBoxControl.SelectedItem.ToString();
string nodeid = getNodeID(selected);
xml_send += "<arg>" + nodeid + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
//set the textfields to the received XML nodes
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Status");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
//compare status to changes
if (
oldChanges.Active == ID.GetElementsByTagName("active")[0].InnerText &&
oldChanges.AN == ID.GetElementsByTagName("AN")[0].InnerText &&
oldChanges.X == ID.GetElementsByTagName("X")[0].InnerText &&
oldChanges.Y == ID.GetElementsByTagName("Y")[0].InnerText &&
oldChanges.samplerate == ID.GetElementsByTagName("Samplerate")[0].InnerText &&
oldChanges.locrate == ID.GetElementsByTagName("LocRate")[0].InnerText &&
oldChanges.leds == ID.GetElementsByTagName("Leds")[0].InnerText &&
oldChanges.power == ID.GetElementsByTagName("Power")[0].InnerText &&
oldChanges.frequency == ID.GetElementsByTagName("Frequency")[0].InnerText)
return false;
else
return true;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
Console.WriteLine("Some field is not available");
}
}
}
//catch the exceptions
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
catch (SocketException sockex)
{
Console.WriteLine(sockex.Message);
Console.WriteLine(sockex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
{
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
else
MessageBox.Show("The WSN took to long to respond");
}
return false;
}
/// <summary>
/// Retreives the localization data of the selected node from the controller
/// </summary>
private void GetLocData()
{
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getnodeLocInfo</RequestName>";
//return the nodeid with sensor as input
try
{
if (listBoxLoc.SelectedItem != null)
{
string nodeid;
nodeid = getNodeID(listBoxLoc.SelectedItem.ToString());
xml_send += "<arg>" + nodeid + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Position");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
textBoxNodeID.Text = ID.GetElementsByTagName("node")[0].InnerText;
textBoxANodeID.Text = getTelosbId(ID.GetElementsByTagName("ANode")[0].InnerText);
textBoxRSSI.Text = ID.GetElementsByTagName("RSSI")[0].InnerText;
textBoxX.Text = ID.GetElementsByTagName("X")[0].InnerText;
textBoxY.Text = ID.GetElementsByTagName("Y")[0].InnerText;
try
{
int index = ID.GetElementsByTagName("Time")[0].InnerText.IndexOf('T');
textBoxLocUpdate.Text = ID.GetElementsByTagName("Time")[0].InnerText.Substring(index);
}
catch
{
Console.WriteLine("No time available for loc info");
}
try
{
textBoxZ.Text = ID.GetElementsByTagName("Z")[0].InnerText;
}
catch
{
textBoxZ.Text = "N/A";
}
}
catch (Exception ex)
{
Console.WriteLine("Some field is not available");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
}
}
else
return;
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
}
/// <summary>
/// Sends any changes to the control tab to the controller.
/// Fields are accessible according to business rules
/// An acknowledgment is sent back, this is compared with the current values in the control tab
/// to determine if the changes were applied succesfully
/// </summary>
private void AcceptChanges()
{
DialogResult result = DialogResult.OK;
//disable status timer to prevent race conditions
timerStatus.Enabled = false;
//TODO: needs validation;
buttonWSNControl.Enabled = false;
if (
oldChanges.Active != ActiveProperty || oldChanges.AN != AnchorProperty || oldChanges.X != textBoxControlX.Text ||
oldChanges.Y != textBoxControlY.Text || oldChanges.locrate != textBoxLocRate.Text || oldChanges.samplerate != textBoxSampleRate.Text ||
oldChanges.leds != LedsProperty || oldChanges.power != PowerProperty || oldChanges.frequency != FrequencyProperty)
{
//we send the WSNactionRequest here
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><WSNReq xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><WSNReq><RequestAction>";
//return the nodeid with sensor as input
try
{
string selected = listBoxControl.SelectedItem.ToString();
string nodeid;
nodeid = getNodeID(selected);
xml_send += "<NodeID>" + nodeid + "</NodeID>";
//secondly we must check which fields have changed
//we can then add them ass nodes in the XML
//specific to our localization scheme
if (oldChanges.Active != ActiveProperty)
xml_send += "<active>" + ActiveProperty + "</active>";
//only process these parameters if the node is active in the localization algorithm
if (ActiveProperty == "1")
{
//if the AN status has changed send it
if (oldChanges.AN != AnchorProperty)
xml_send += "<AN>" + AnchorProperty + "</AN>";
//if the AN status has just changed to AN send all the parameters
if (AnchorProperty == "1" && oldChanges.AN != AnchorProperty)
{
xml_send += "<X>" + textBoxControlX.Text + "</X>";
xml_send += "<Y>" + textBoxControlY.Text + "</Y>";
xml_send += "<LocRate>" + textBoxLocRate.Text + "</LocRate>";
result = MessageBox.Show("Make this node an Anchor Node with these parameters?","Check parameters",MessageBoxButtons.OKCancel);
}
// if the node was an AN already we should still check if any of the parameters has changed
else if (AnchorProperty == "1")
{
if (oldChanges.X != textBoxControlX.Text)
xml_send += "<X>" + textBoxControlX.Text + "</X>";
if (oldChanges.Y != textBoxControlY.Text)
xml_send += "<Y>" + textBoxControlY.Text + "</Y>";
if (oldChanges.locrate != textBoxLocRate.Text)
xml_send += "<LocRate>" + textBoxLocRate.Text + "</LocRate>";
}
}
//these field are not unique to the localization algorithm and are thus independent
//sensor parameters
if (oldChanges.samplerate != textBoxSampleRate.Text)
xml_send += "<Samplerate>" + textBoxSampleRate.Text + "</Samplerate>";
//leds
if (oldChanges.leds != LedsProperty)
xml_send += "<Leds>" + LedsProperty + "</Leds>";
//radio parameters
if (oldChanges.power != PowerProperty)
xml_send += "<Power>" + PowerProperty + "</Power>";
if (oldChanges.frequency != FrequencyProperty)
xml_send += "<Frequency>" + FrequencyProperty + "</Frequency>";
xml_send += "</RequestAction></WSNReq></WSNReq>";
if (result == DialogResult.OK)
{
//we can now send the request, we will receive a status message as a response
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Sends: ActionRequest
// Receives: Status
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
if (tempdoc.DocumentElement.Name.ToString() == "Replies")
{
DiscardChanges();
MessageBox.Show("The WSN did not reply in time");
buttonWSNControl.Enabled = true;
return;
}
XmlNodeList bookList = tempdoc.GetElementsByTagName("WSNReply");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
if (
ActiveProperty == ID.GetElementsByTagName("active")[0].InnerText &&
AnchorProperty == ID.GetElementsByTagName("AN")[0].InnerText &&
textBoxControlX.Text == ID.GetElementsByTagName("X")[0].InnerText &&
textBoxControlY.Text == ID.GetElementsByTagName("Y")[0].InnerText &&
textBoxSampleRate.Text == ID.GetElementsByTagName("Samplerate")[0].InnerText &&
textBoxLocRate.Text == ID.GetElementsByTagName("LocRate")[0].InnerText &&
LedsProperty == ID.GetElementsByTagName("Leds")[0].InnerText &&
PowerProperty == ID.GetElementsByTagName("Power")[0].InnerText &&
FrequencyProperty == ID.GetElementsByTagName("Frequency")[0].InnerText)
{
//WSN Succesfully replied to our request
//changes struct
oldChanges.Active = ActiveProperty;
oldChanges.AN = AnchorProperty;
oldChanges.X = textBoxControlX.Text;
oldChanges.Y = textBoxControlY.Text;
oldChanges.samplerate = textBoxSampleRate.Text;
oldChanges.locrate = textBoxLocRate.Text;
oldChanges.power = PowerProperty;
oldChanges.frequency = FrequencyProperty;
oldChanges.conn = textBoxConn.Text;
oldChanges.leds = LedsProperty;
Console.WriteLine("WSN succesfully replied");
MessageBox.Show("WSN succesfully replied");
}
else
{
//WSN did NOT! Succesfully replied to our request
//roll back to previous state;
DiscardChanges();
Console.WriteLine("WSN did not succesfully reply");
MessageBox.Show("WSN did not succesfully reply");
}
}
catch
{
Console.WriteLine("Some field is not available");
}
}
}
}
//good ol' catches
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch (SocketException sockex)
{
Console.WriteLine(sockex.Message);
Console.WriteLine(sockex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
}
timerStatus.Enabled = true;
buttonWSNControl.Enabled = true;
}
/// <summary>
/// Retreives the graph data from the controller
/// </summary>
private void GetGraphData()
{
//static part
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>";
//dynamic part
if (comboBox1.SelectedItem.ToString() == "RSSI" || comboBox1.SelectedItem.ToString() == "Position")
xml_send += "getLocHistoryLast</RequestName>";
else
xml_send += "getHistoryLast</RequestName>";
//return the nodeid with sensor as input
try
{
if (comboBox2.SelectedItem != null)
{
string nodeid = getNodeID(comboBox2.SelectedItem.ToString()); ;
xml_send += "<arg>" + nodeid + "</arg>";
if (comboBox1.SelectedItem != null)
{
xml_send += "<arg>" + comboBox1.SelectedItem.ToString() + "</arg><arg>" + comboBoxGraphNumMeasurements.Text + "</arg></Request></Requests>";
}
else
return;
}
else
return;
//communication: send the command string to the controller and receive a response
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
string xml_receive = socket_client.Connect(xml_send, true);
//process the reply
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
//put the received values in the graph list
listViewGraphValues.Items.Clear();
XmlNodeList bookList = tempdoc.GetElementsByTagName("MeasurementValue");
foreach (XmlNode node in bookList)
{
string id_Measurement = node.InnerText.ToString();
listViewGraphValues.Items.Add(id_Measurement);
}
CreateGraph(zg1, xml_receive, "number of measurements", comboBox1.SelectedItem.ToString());
SetSize();
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
}
/// <summary>
/// Retreives the sensordata from the controller
/// </summary>
public void GetSensorData()
{
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getnodeInfo</RequestName>";
//return the nodeid with sensor as input
try
{
if (listBoxLoc.SelectedItem != null)
{
string nodeid = getNodeID(listBoxLoc.SelectedItem.ToString());
xml_send += "<arg>" + nodeid + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("SensorMeasurements");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
textBox1.Text = ID.GetElementsByTagName("Node")[0].InnerText;
textBox2.Text = ID.GetElementsByTagName("Sensortype")[0].InnerText;
textBox3.Text = ID.GetElementsByTagName("Temperature")[0].InnerText;
textBox4.Text = ID.GetElementsByTagName("Light")[0].InnerText;
textBox5.Text = ID.GetElementsByTagName("Humidity")[0].InnerText;
if (ID.GetElementsByTagName("Sensortype")[0].InnerText == "2")
{
textBox6.Text = ID.GetElementsByTagName("Power")[0].InnerText;
}
else
{
textBox6.Text = "N/A";
}
int index = ID.GetElementsByTagName("Time")[0].InnerText.IndexOf('T');
textBoxSensUpdate.Text = ID.GetElementsByTagName("Time")[0].InnerText.Substring(index);
}
//unable to parse some field
catch (Exception ex)
{
Console.WriteLine("Some field is not available");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
}
}
else
return;
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
}
/// <summary>
/// Active nodes are selected when they have sent a packet within a given time limit
/// TODO: process empty string
/// </summary>
private void SensorsTimeOut()
{
//clear the existing sensors
Sensorlijst.Clear();
listBoxControl.Items.Clear();
listBoxLoc.Items.Clear();
comboBox2.Items.Clear();
//Get the TimeOut timespan and parse it into the correct string format (d hh:mm:ss)
//TimeSpan TimeOut = new TimeSpan(maskedTextBox1.Text;
//string TimeOutString = TimeOut.Days.ToString() + " " + TimeOut.Hours.ToString() + ":" + TimeOut.Minutes.ToString() + ":" + TimeOut.Seconds.ToString();
//string TimeOut = maskedTextBox1.Text;
//TimeOu
//TimeSpan TimeOut = new TimeSpan();
//string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getTimeOutSensors</RequestName><arg>" + TimeOutString + "</arg></Request></Requests>";
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getTimeOutSensors</RequestName><arg>" + maskedTextBox1.Text + "</arg></Request></Requests>";
try
{
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Sensor");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
string sensor = ID.GetElementsByTagName("sensor")[0].InnerText;
string idnode = ID.GetElementsByTagName("idnode")[0].InnerText;
Sensorlijst.Add(new SensorNames(sensor, idnode));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
}
Sensorlijst.ForEach(delegate(SensorNames SN)
{
comboBox2.Items.Add(SN.Sensorname);
listBoxLoc.Items.Add(SN.Sensorname);
listBoxControl.Items.Add(SN.Sensorname);
});
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch (Exception ex )
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
}
/// <summary>
/// Helper method for retreiving the WSNid of the framework
/// </summary>
/// <param name="selected">
/// node id, unique identifier within Senseless
/// </param>
/// <returns>
/// The MAC or TOSid of the mote
/// </returns>
private string getTelosbId(string selected)
{
string sensorname;
foreach (SensorNames telosb in Sensorlijst)
{
if (telosb.id == selected)
{
sensorname = telosb.Sensorname;
return sensorname;
}
}
try
{
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getWSNID</RequestName><arg>" + selected + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("WSNID");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
string sensor = ID.GetElementsByTagName("sensor")[0].InnerText;
Sensorlijst.Add(new SensorNames(sensor, selected));
return sensor;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("Node id not found in DB");
}
}
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
Disconnect();
MessageBox.Show("Lost connection to the controller");
}
catch { }
return "N/A";
}
private void Connect()
{
Port = Convert.ToInt32(controllerPort.Text);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (sc.TryConnection())
{
timerSensor.Enabled = true;
timerLoc.Enabled = true;
//GUI tasks
buttonConnect.Enabled = false;
buttonDisconnect.Enabled = true;
//Disable the connection fields
controllerIP.Enabled = false;
controllerPort.Enabled = false;
toolStripStatusLabel.Text = "Connected to controller at IP " + controllerIP.Text + ", port " + controllerPort.Text;
//Sensorfetch
if (radioButtonGetSensors.Checked == true)
GetSensors();
else if (radioButtonDiscovery.Checked == true)
timerSensorFetch.Enabled = true;
else
SensorsTimeOut();
}
else
{
Console.WriteLine("Incorrect connection parameters");
MessageBox.Show("Could not reach the controller!\n Are the connection parameters correct?");
}
}
/// <summary>
/// Fetches all the motes in the databases
/// Has NO offline detection mechanism
/// </summary>
private void GetSensors()
{
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getAllTelosb</RequestName></Request></Requests>";
try
{
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Sensor");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
string sensor = ID.GetElementsByTagName("sensor")[0].InnerText;
string idnode = ID.GetElementsByTagName("idnode")[0].InnerText;
Sensorlijst.Add(new SensorNames(sensor, idnode));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
}
Sensorlijst.ForEach(delegate(SensorNames SN)
{
comboBox2.Items.Add(SN.Sensorname);
listBoxLoc.Items.Add(SN.Sensorname);
listBoxControl.Items.Add(SN.Sensorname);
});
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch { }
}
///<summary>
///Helper method for retreiving the nodeid of the framework
/// </summary>
/// <param name="selected">
/// The MAC or TOSid of the mote
/// </param>
/// <returns>
/// node id, unique identifier within Senseless
/// </returns>
private string getNodeID(string selected)
{
//first search local for the nodeid
string nodeid;
foreach (SensorNames telosb in Sensorlijst)
{
if (telosb.Sensorname == selected)
{
nodeid = telosb.id;
return nodeid;
}
}
try
{
//generate string
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getNodeid</RequestName><arg>" + selected + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
//process reply
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("NodeIDs");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
string idnode = ID.GetElementsByTagName("idnode")[0].InnerText;
Sensorlijst.Add(new SensorNames(selected, idnode));
return idnode;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("Node id not found in DB");
}
}
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch { }
return "N/A";
}
/// <summary>
/// Occurs when the apply changes button is click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonWSNControl_Click(object sender, EventArgs e)
{
//TODO: needs validation;
panelControl.Enabled = false;
buttonWSNControl.Enabled = false;
//we send the WSNactionRequest here
//first
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><WSNReq xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><WSNReq><RequestAction>";
//return the nodeid with sensor as input
try
{
string selected = listBoxControl.SelectedItem.ToString();
string nodeid;
nodeid = getNodeID(selected);
xml_send += "<NodeID>" + nodeid + "</NodeID>";
//secondly we must check which fields have changed
//we can then add them ass nodes in the XML
//specific to our localization scheme
if (oldChanges.Active != ActiveProperty)
xml_send += "<active>" + ActiveProperty + "</active>";
//only process these parameters if the node is active in the localization algorithm
if (ActiveProperty == "1")
{
if (oldChanges.AN != AnchorProperty)
xml_send += "<AN>" + AnchorProperty + "</AN>";
//only process these parameters if the node is an Anchor Node
if (AnchorProperty == "0")
{
if (oldChanges.X != textBoxControlX.Text)
{
xml_send += "<X>" + textBoxControlX.Text + "</X>";
if ((Convert.ToInt32(textBoxControlX.Text)) < (Convert.ToInt32(textBoxXmin.Text)) || (Convert.ToInt32(textBoxControlX.Text)) > (Convert.ToInt32(textBoxXmax.Text)))
{
MessageBox.Show("X is not within bounds");
textBoxControlX.Text = oldChanges.X;
return;
}
}
if (oldChanges.Y != textBoxControlY.Text)
{
xml_send += "<Y>" + textBoxControlY.Text + "</y>";
if ((Convert.ToInt32(textBoxControlX.Text)) < (Convert.ToInt32(textBoxYmin)) || (Convert.ToInt32(textBoxControlX.Text)) > (Convert.ToInt32(textBoxYmax)))
{
MessageBox.Show("Y is not within bounds");
textBoxControlX.Text = oldChanges.Y;
return;
}
}
if (oldChanges.locrate != textBoxLocRate.Text)
{
xml_send += "<LocRate>" + textBoxLocRate.Text + "</LocRate>";
if ((Convert.ToInt32(textBoxLocRate)) < (Convert.ToInt32(textBoxLocRateMin)) || (Convert.ToInt32(textBoxLocRate)) > (Convert.ToInt32(textBoxLocRateMax)))
{
MessageBox.Show("LocRate is not within bounds");
textBoxControlX.Text = oldChanges.locrate;
return;
}
}
}
}
//these field are not unique to the localization algorithm and are thus independent
if (oldChanges.samplerate != textBoxSampleRate.Text)
{
xml_send += "<Samplerate>" + textBoxSampleRate.Text + "</Samplerate>";
if ((Convert.ToInt32(textBoxSampleRate)) < (Convert.ToInt32(textBoxSensorRateMin)) || (Convert.ToInt32(textBoxSampleRate)) > (Convert.ToInt32(textBoxSensorRateMax)))
{
MessageBox.Show("SampleRate is not within bounds");
textBoxControlX.Text = oldChanges.samplerate;
return;
}
}
if (oldChanges.leds != LedsProperty)
xml_send += "<Leds>" + LedsProperty + "</Leds>";
if (oldChanges.power != PowerProperty)
xml_send += "<Power>" + PowerProperty + "</Power>";
if (oldChanges.frequency != FrequencyProperty)
xml_send += "<Frequency>" + FrequencyProperty+ "</Frequency>";
xml_send += "</RequestAction></WSNReq></WSNReq>";
//we can now send the request, we will receive a status message as a response
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Sends: ActionRequest
// Receives: Status
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Status");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
if (
ActiveProperty == ID.GetElementsByTagName("active")[0].InnerText &&
AnchorProperty == ID.GetElementsByTagName("AN")[0].InnerText &&
textBoxControlX.Text == ID.GetElementsByTagName("X")[0].InnerText &&
textBoxControlY.Text == ID.GetElementsByTagName("Y")[0].InnerText &&
textBoxSampleRate.Text == ID.GetElementsByTagName("Samplerate")[0].InnerText &&
textBoxLocRate.Text == ID.GetElementsByTagName("LocRate")[0].InnerText &&
LedsProperty == ID.GetElementsByTagName("Leds")[0].InnerText &&
PowerProperty == ID.GetElementsByTagName("Power")[0].InnerText &&
FrequencyProperty == ID.GetElementsByTagName("Frequency")[0].InnerText)
{
//WSN Succesfully replied to our request
//changes struct
oldChanges.Active = ActiveProperty;
oldChanges.AN = AnchorProperty;
oldChanges.X = textBoxControlX.Text;
oldChanges.Y = textBoxControlY.Text;
oldChanges.samplerate = textBoxSampleRate.Text;
oldChanges.locrate = textBoxLocRate.Text;
oldChanges.power = PowerProperty;
oldChanges.frequency = FrequencyProperty;
oldChanges.conn = textBoxConn.Text;
oldChanges.leds = LedsProperty;
Console.WriteLine("WSN succesfully replied");
MessageBox.Show("WSN succesfully replied");
}
else
{
//WSN did NOT! Succesfully replied to our request
//roll back to previous state;
ActiveProperty = oldChanges.Active;
AnchorProperty = oldChanges.AN;
textBoxControlX.Text = oldChanges.X;
textBoxControlY.Text = oldChanges.Y;
textBoxSampleRate.Text = oldChanges.samplerate;
textBoxLocRate.Text = oldChanges.locrate;
FrequencyProperty = oldChanges.power;
FrequencyProperty = oldChanges.frequency;
textBoxConn.Text = oldChanges.conn;
LedsProperty = oldChanges.leds;
Console.WriteLine("WSN did not succesfully reply");
MessageBox.Show("WSN did not succesfully reply");
}
}
catch
{
Console.WriteLine("Some field is not available");
}
}
}
//good ol' catches
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch (SocketException sockex)
{
Console.WriteLine(sockex.Message);
Console.WriteLine(sockex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.TargetSite);
}
panelControl.Enabled = true;
buttonWSNControl.Enabled = true;
}
/// <summary>
/// Gets the statusdata off the selected node from the controller
/// </summary>
private void GetStatData()
{
//static part of the message
string xml_send = @"<?xml version=""1.0"" standalone=""yes""?><Requests xmlns:xsi=""='http://www.w3.org/2001/XMLSchema-instance'"" xmlns=""xmlns='http://tempuri.org/Requests.xsd\'""><Request><RequestName>getStatus</RequestName>";
//return the nodeid with sensor as input
try
{
string selected = listBoxControl.SelectedItem.ToString();
string nodeid = getNodeID(selected);
xml_send += "<arg>" + nodeid + "</arg></Request></Requests>";
SocketClient socket_client = new SocketClient(Port, controllerIP.Text);
// Receiving data
string xml_receive = socket_client.Connect(xml_send, true);
XmlDocument tempdoc = new XmlDocument();
tempdoc.LoadXml(xml_receive);
XmlNodeList bookList = tempdoc.GetElementsByTagName("Status");
foreach (XmlNode node in bookList)
{
XmlElement ID = (XmlElement)(node);
try
{
//assign the values of the textboxes
ActiveProperty = ID.GetElementsByTagName("active")[0].InnerText;
AnchorProperty = ID.GetElementsByTagName("AN")[0].InnerText;
textBoxControlX.Text = ID.GetElementsByTagName("X")[0].InnerText;
textBoxControlY.Text = ID.GetElementsByTagName("Y")[0].InnerText;
textBoxSampleRate.Text = ID.GetElementsByTagName("Samplerate")[0].InnerText;
textBoxLocRate.Text = ID.GetElementsByTagName("LocRate")[0].InnerText;
//set the led bitmask
LedsProperty = ID.GetElementsByTagName("Leds")[0].InnerText;
PowerProperty = ID.GetElementsByTagName("Power")[0].InnerText;
FrequencyProperty = ID.GetElementsByTagName("Frequency")[0].InnerText;
textBoxConn.Text = ID.GetElementsByTagName("Conn")[0].InnerText;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
Console.WriteLine("Some field is not available");
}
//backup these values in the changes struct
oldChanges.Active = ActiveProperty;
oldChanges.AN = AnchorProperty;
oldChanges.X = textBoxControlX.Text;
oldChanges.Y = textBoxControlY.Text;
oldChanges.samplerate = textBoxSampleRate.Text;
oldChanges.locrate = textBoxLocRate.Text;
oldChanges.power = PowerProperty;
oldChanges.frequency = FrequencyProperty;
oldChanges.conn = textBoxConn.Text;
oldChanges.leds = LedsProperty;
}
}
catch (ArgumentNullException nullex)
{
Console.WriteLine(nullex.Message);
Console.WriteLine(nullex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
catch (SocketException sockex)
{
Console.WriteLine(sockex.Message);
Console.WriteLine(sockex.TargetSite);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (!sc.TryConnection())
{
buttonDisconnect_Click(this, EventArgs.Empty);
MessageBox.Show("Lost connection to the controller");
}
else
MessageBox.Show("The WSN took to long to respond");
}
catch
{
Console.WriteLine("Error in getStatData");
}
}
/// <summary>
/// Event for the connect button in the options tab
/// Allows the user to connect & disconnect to the controller and set various parameters
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonConnect_Click(object sender, EventArgs e)
{
Port = Convert.ToInt32(controllerPort.Text);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (sc.TryConnection())
{
timer1.Enabled = true;
timerLoc.Enabled = true;
//GUI tasks
buttonConnect.Enabled = false;
buttonDisconnect.Enabled = true;
//Disable the connection fields
controllerIP.Enabled = false;
controllerPort.Enabled = false;
toolStripStatusLabel.Text = "Connected to controller at IP " + controllerIP.Text + ", port " + controllerPort.Text;
//Sensorfetch
//TODO: give the user the choice
//discovery
if (radioButtonGetSensors.Checked == true)
GetSensors();
else if (radioButtonDiscovery.Checked == true)
timerDiscovery.Enabled = true;
else
//not implemented yet
SensorsTimeOut();
}
else
{
Console.WriteLine("Incorrect connection parameters");
MessageBox.Show("Could not reach the controller!\n Are the connection parameters correct?");
}
}
//-----------------------------------------------------------------
//
//Options tab
//
//connect button
//corrently the connection data is not checked, if it is incorrect the application will fail
private void buttonConnect_Click(object sender, EventArgs e)
{
Port = Convert.ToInt32(controllerPort.Text);
SocketClient sc = new SocketClient(Port, controllerIP.Text);
if (sc.TryConnection())
{
timer1.Enabled = true;
timerLoc.Enabled = true;
//timerDiscovery.Enabled = true;
//GUI tasks
buttonConnect.Enabled = false;
buttonDisconnect.Enabled = true;
controllerIP.Enabled = false;
controllerPort.Enabled = false;
toolStripStatusLabel.Text = "Connected to controller at IP " + controllerIP.Text + ", port " + controllerPort.Text;
//discovery
GetSensors();
}
else
{
Console.WriteLine("Incorrect connection parameters");
MessageBox.Show("Could not reach the controller!");
}
}