protected void LostConnection(string message)
{
connection = false;
Debug.WriteLine("Device `" + DeviceName + "` communication line was lost");
if (Connected && Program.MasterServer.Connected)
{
try
{
Program.MasterServer.Server.Exit(comID);
}
catch (System.ObjectDisposedException)
{
Debug.WriteLine("Tried to unregister but server channel was lost");
}
comID = 0;
handshaked = false;
showhandshakefailmessage = true;
}
Reporter.AddReport(2, this.DeviceName);
Reporter.AddReport(4, message);
}
protected void MadeConnection()
{
connection = true;
Debug.WriteLine("Device `" + DeviceName + "` communication line was opened");
Reporter.AddReport(3, DeviceName);
}
private bool makeconnection(string COMID, int baudrate)
{
if (Board != null)
{
if (Board.IsOpen)
{
return(true);
}
}
//no board comport connection is made
Board = new SerialPort(COMID, baudrate);
try
{
Board.Open();
}
catch
{
return(false);
}
//check condition of communication line
if (TestConnection())
{
Reporter.AddReport(1, "\'" + this.DeviceName + "\'," + this.ComPort + "," + this.BaudRate.ToString());
Reporter.AddReport(4, "Arduino `" + this.DeviceName + "` connected on port " + this.ComPort + ", baudrate" + this.BaudRate.ToString());
readTimer.Enabled = true;
MadeConnection();
return(true);
}
Board = null;
return(false);
}
private bool DoHandShake()
{
int deviceID = 0;
int serverid = 0;
string servername = "";
if (HandShake(DeviceName, devicetype, ref deviceID, ref serverid, ref servername, Server))
{
serverID = serverid;
comID = deviceID;
ServerName = servername;
handshaked = true;
tryconnecting = false;
Reporter.AddReport(1, "\'" + this.DeviceName + "\', " + this.ServerName);
Reporter.AddReport(4, devicetype + " connected '" + this.DeviceName + "' to `" + this.ServerName + "`");
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' succeeded!");
isdisconnected = false;
return(true);
}
else
{
if (!isdisconnected)
{
isdisconnected = true;
LostConnection("Disconnected '" + this.DeviceName + "' from `" + this.ServerName + "`");
}
Server = null;
return(false);
}
}
public bool HandShake(string devicename, string devicetype, ref int deviceID, ref int serverID, ref string ServerName, GarageServer.TrafficMessageClient Server)
{
string result;
try
{
result = Server.Handshake(1, DeviceName + "," + devicetype);
}
catch
{
Debug.WriteLine("Handshake failed (0)");
return(false);
}
if (Int32.TryParse(result, out deviceID))
{
if (deviceID > 0)
{
comID = deviceID;
Debug.WriteLine("Completed handshake 1");
result = Server.Handshake(2, comID.ToString());
if (result.Length > 0)
{
ServerName = result;
Debug.WriteLine("Completed handshake 2");
result = Server.Handshake(3, comID.ToString());
int expectedserverID;
if (Int32.TryParse(result, out expectedserverID))
{
if (expectedserverID > 0)
{
serverID = expectedserverID;
Debug.WriteLine("Completed handshake 3");
result = Server.Handshake(4, Program.MasterServer.comID.ToString() + "," + comID);
if (result == "OK")
{
Debug.WriteLine("Completed handshake 4 - linking");
MadeConnection();
return(true);
}
else
{
Debug.WriteLine("Handshake failed (4)");
}
}
else
{
Debug.WriteLine("Handshake failed (3)");
}
}
}
else
{
Debug.WriteLine("Handshake failed (2)");
}
}
else
{
Debug.WriteLine("Handshake failed (1)");
}
}
if (showhandshakefailmessage)
{
showhandshakefailmessage = false;
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' failed!");
}
return(false);
}
/// <summary>
/// Returns the state of the connection and tries to connect if possible
/// </summary>
/// <returns>True when the connection is valid;False when connection doesn't seem valid</returns>
public bool checkConnection()
{
if (TestConnection())
{
if (Program.MasterServer.Connected && !Connected)
{
int deviceID = 0;
int serverid = 0;
string servername = "";
if (HandShake(this.DeviceName, devicetype, ref deviceID, ref serverid, ref servername, Program.MasterServer.Server))
{
if (Send("{0,0,2," + serverid + "," + comID + "}"))
{
comID = deviceID;
handshaked = true;
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' succeeded!");
isdisconnected = false;
return(true);
}
}
else
{
if (!isdisconnected)
{
isdisconnected = true;
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' failed");
}
}
}
return(true);
}
else
{
if (Board != null)
{
LostConnection("Disconnected '" + this.DeviceName + "' from `" + this.ComPort + "`");
Board = null;
readTimer.Enabled = false;
}
}
//if no comport (length = 0) is given, select any comport that is available and not in use
if (TargetComPort == null || TargetComPort.Length == 0)
{
//loop each available comport and try to connect
foreach (string s in SerialPort.GetPortNames())
{
bool success = makeconnection(s, TargetBaudRate);
if (success == true)
{
break;
}
}
//NOTE: success will stay false when no comport is available or no good connnection can be made
}
else //A COMPORT is specified
{
//define SerialPort object
makeconnection(TargetComPort, TargetBaudRate);
}
if (Board == null)
{
Debug.WriteLine("ERROR: Could not establish connection.");
return(false);
}
else
{
return(true);
}
}
static void Main()
{
LocalDevices = new List <Communication>();
instructions = new List <List <object> >();
//create the functions to handle incoming commands by
Action <ComData, Communication> PCCommandHandle =
delegate(ComData incomingcommand, Communication handler)
{
int commandID = 0;
incomingcommand.Get(2, ref commandID);
switch (commandID)
{
case 3:
{
string message = "";
incomingcommand.Get(3, ref message);
string message2 = "";
incomingcommand.Get(4, ref message2);
string message3 = "";
incomingcommand.Get(4, ref message3);
if (message.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message);
}
if (message2.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message2);
}
if (message3.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message3);
}
break;
}
case 4:
{
string CODE = "";
string name = "";
string balance = "";
string parkingspot = "";
string amountdue = "";
string timestamp = "";
incomingcommand.Get(3, ref CODE);
incomingcommand.Get(4, ref name);
incomingcommand.Get(5, ref balance);
incomingcommand.Get(6, ref parkingspot);
incomingcommand.Get(7, ref amountdue);
incomingcommand.Get(8, ref timestamp);
List <object> instructionparams = new List <object>();
instructionparams.Add("CHIPFOUND");
instructionparams.Add(CODE);
instructionparams.Add(name);
instructionparams.Add(balance);
instructionparams.Add(parkingspot);
instructionparams.Add(amountdue);
instructionparams.Add(timestamp);
instructions.Add(instructionparams);
Reporter.AddReport(4, "NFC Chip found: " + CODE);
break;
}
}
};
Action <ComData, Communication> ArduinoCommandHandle =
delegate(ComData incomingcommand, Communication handler)
{
int commandID = 0;
incomingcommand.Get(2, ref commandID);
switch (commandID)
{
case 3:
{
string message = "";
incomingcommand.Get(3, ref message);
string message2 = "";
incomingcommand.Get(4, ref message2);
string message3 = "";
incomingcommand.Get(4, ref message3);
if (message.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message);
}
if (message2.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message2);
}
if (message3.Length > 0)
{
Reporter.AddReport(4, handler.DeviceName + ": " + message3);
}
break;
}
}
};
mega = new Arduino("Garage I/O", "", 19200, ArduinoCommandHandle);
//mega2 = new Arduino("ChipSCan", "", 19200, ArduinoCommandHandle);
MasterServer = new PCconnectionHandler("TEST", PCCommandHandle);
LocalDevices.Add(mega);
//LocalDevices.Add(mega2);
LocalDevices.Add(MasterServer);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
masterform = new ControlPanel();
Application.Run(masterform);
}
