// Changes done By JK on 9th Apr, 2013 to enable this class to control multiple Vend Machines.
private void Init(bool reconnect)
{
short counter = 0;
if (simulateDevice)
{
isEnabled = true;
this.stateCode = (int)DispenserCommState.ONLINE;
this.statusCode = (int)DispenserStatus.NoError;
if (simulationTimer == null)
simulationTimer = new Timer(new TimerCallback(SimulatePackVending), null, Timeout.Infinite, Timeout.Infinite);
}
else
{
multiVend = Convert.ToInt16(string.IsNullOrWhiteSpace(ConfigurationManager.AppSettings["MULTIVENDMACHINE"]) ? "1" : ConfigurationManager.AppSettings["MULTIVENDMACHINE"]);
waitTime = Convert.ToInt16(string.IsNullOrWhiteSpace(ConfigurationManager.AppSettings["OPERATIONTIMEOUT"]) ? "1500" : ConfigurationManager.AppSettings["OPERATIONTIMEOUT"]);
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Number of PackDispensers to be Initialized - {1}.", DateTime.Now, multiVend));
writer.Flush();
writer.Close();
}
for (counter = 0; counter < multiVend; counter++)
{
// Instaniate new Pack Vendor object
PackVendor pv = new PackVendor();
pv.com = string.IsNullOrWhiteSpace(ConfigurationManager.AppSettings["PACKDISPENSERCOMPORT" + counter.ToString()]) ? counter.ToString() : ConfigurationManager.AppSettings["PACKDISPENSERCOMPORT" + counter.ToString()];
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- PackDispenser Init on COM{1}.", DateTime.Now, pv.com));
writer.Flush();
writer.Close();
}
// Set comm port
pv.packDispenser.CommPort = Convert.ToInt16(pv.com);
// Attempt to open port
pv.packDispenser.PortOpen = true;
try
{
// Check if the comm port is open to continue
if (pv.packDispenser.PortOpen)
{
// Wait for dispenser to complete processing now we have connected
System.Threading.Thread.Sleep(1000);
// Refresh all dispenser properties
pv.packDispenser.UpdateStatus(waitTime);
// Check that we did refresh successfully
if (pv.packDispenser.Success)
{
// Reset the unit
pv.packDispenser.Reset();
// Update status for the user
CheckStatus(pv);
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Pack Dispenser Successfully Initialized on COM{1}.", DateTime.Now, pv.com));
writer.Flush();
writer.Close();
}
}
else
{
// Error last command was not a success
pv.stateCode = (int)DispenserCommState.OFFLINE;
pv.statusCode = (int)DispenserStatus.Error;
pv.statusDesc = "Pack Dispenser Fatal Error.";
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Init- UpdateStatus operation failed.", DateTime.Now));
writer.Flush();
writer.Close();
}
}
}
else
{
// Error last command was not a success
pv.stateCode = (int)DispenserCommState.OFFLINE;
pv.statusCode = (int)DispenserStatus.Error;
pv.statusDesc = "Port Not Open.";
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Open, FileAccess.Read))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- COM{1} port not found/open.", DateTime.Now, pv.com));
writer.Flush();
writer.Close();
}
}
}
catch (Exception ex)
{
// Error last command was not a success
pv.stateCode = (int)DispenserCommState.OFFLINE;
pv.statusCode = (int)DispenserStatus.Error;
pv.statusDesc = "Pack Dispenser Fatal Error.";
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Init - Exception Caught - Message {1}.", DateTime.Now, ex.Message));
writer.Flush();
writer.Close();
}
}
pv.id = counter;
dispensers.Add(pv);
}
}
}
private void Vend(PackVendor pv, short number)
{
short counter = 0;
try
{
pv.packDispenser.UpdateStatus();
CheckStatus(pv);
if ((number > 0) && (!simulateDevice))
{
for (counter = 0; counter < number; counter++)
{
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Attempting to Vend Card#{1}.", DateTime.Now, counter));
writer.Flush();
writer.Close();
}
if ((pv.packDispenser.PortOpen) && (pv.packDispenser.Success))
{
if ((statusCode == (int)DispenserStatus.NoError) && (stateCode == (int)DispenserCommState.ONLINE))
{
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Issuing Vend call for Card#{1}.", DateTime.Now, counter));
writer.Flush();
writer.Close();
}
Action<short> handler = InitiateVendEvent;
if (handler != null)
{
handler(pv.id);
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Publishing Initiate Vend Event- com{1}", DateTime.Now, pv.com));
writer.Flush();
writer.Close();
}
}
pv.packDispenser.Vend();
//if(packDispenser.Success)
// raise an event to notify the application that a card has been sucessfully dispensed.
Action<bool> handler1 = CardVendStatusEvent;
if (handler != null)
{
handler1(pv.packDispenser.Success);
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Vend - CardVend Status Handler Called. Vend Status : {1}", DateTime.Now, pv.packDispenser.Success));
writer.Flush();
writer.Close();
}
if (pv.packDispenser.Success)
cardIssued++;
}
Thread.Sleep(3000);
}
else
{
break;
}
// Recheck to ensure that was not the last product or a jam has occured
pv.packDispenser.UpdateStatus();
CheckStatus(pv);
if (0 != pv.packDispenser.Status)
break;
}
else
{
break;
}
}
}
else
{
simulationTimer.Change(5000, 5000);
}
}
catch (Exception ex)
{
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- Vend - Exception Caught Message {1}.", DateTime.Now, ex.Message));
writer.Flush();
writer.Close();
}
pv.stateCode = (int)DispenserCommState.ONLINE;
pv.statusCode = (int)DispenserStatus.Error;
pv.statusDesc = "Pack Dispenser Fatal Error.";
}
}
private void CheckStatus(PackVendor packVendor)
{
try
{
// Check the dispenser status and update user interface
if (packVendor.packDispenser.Success && packVendor.packDispenser.Error == 0)
{
switch (packVendor.packDispenser.Status)
{
case 0:
packVendor.statusCode = (int)DispenserStatus.NoError;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = " OK. Dispenser is ready.";
break;
case 1:
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = "Pack Dispenser Stock Sold Out. No Product is available in any column.";
break;
case 2:
packVendor.statusCode = (int)DispenserStatus.Error;
stateCode = (int)DispenserCommState.ONLINE;
statusDesc = "Pack Dispenser Down. No Column is able to Dispense.";
break;
case 13:
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = "Product Jam.";
break;
case 14:
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = "Product sensed in wrong column (for multi-column dispensers). Can also be caused by inserting an object through the front of the dispenser in an attempt to steal product.";
break;
default:
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = "Pack Dispenser Fatal Error.";
break;
}
}
else
{
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.stateCode = (int)DispenserCommState.ONLINE;
packVendor.statusDesc = "Pack Dispenser Fatal Error.";
}
}
catch (Exception ex)
{
if (ex.Message == "The port is closed.")
{
packVendor.stateCode = (int)DispenserCommState.OFFLINE;
packVendor.statusCode = (int)DispenserStatus.Error;
packVendor.statusDesc = ex.Message;
}
else
{
packVendor.statusDesc = "There is some problem with PackDispenser.";
packVendor.statusCode = (int)DispenserStatus.Error;
}
}
using (FileStream stream = new FileStream(@"Technik.log", FileMode.Append, FileAccess.Write))
{
StreamWriter writer = new StreamWriter(stream);
writer.WriteLine(string.Format(@"Datetime {0} -- CheckStatus on COM{1} || state-{2} || status - {3} || statusDesc - {4} .", DateTime.Now, packVendor.com, packVendor.stateCode, packVendor.statusCode, packVendor.statusDesc));
writer.Flush();
writer.Close();
}
}
