public void orderProcessing(OrderObject decodedOrder) //Order Processing thread
{
String agent = decodedOrder.getSenderId();
int n = (int)Char.GetNumericValue(agent[agent.Length - 1]);
if (decodedOrder.getCardNo() < 2000 && decodedOrder.getCardNo() > 3000) //Checks card information
{
String failedBooking = "Booking failed!! Details: Processed for " + decodedOrder.getNumberRooms() //booking failed message
+ " rooms at $" + decodedOrder.getPrice()
+ " per room for " + decodedOrder.getSenderId()
+ " by " + decodedOrder.getReceiverId();
cBuffer.Put(failedBooking, n - 1); //Place failed order in the order confirmation buffer
return;
}
double tax = 0.08; //tax
double finalPrice = decodedOrder.getNumberRooms() * decodedOrder.getPrice(); //final price
finalPrice += finalPrice * tax;
finalPrice += this.locationCharge; //adding location charges
TimeSpan timeSpan = System.DateTime.Now - decodedOrder.getBookingTimeStamp();
String confirmedBooking = "Booking confirmed at " + System.DateTime.Now //Booking confirmed message
+ " in " + timeSpan
+ " seconds!! Details: Processed for " + decodedOrder.getNumberRooms()
+ " rooms at $" + decodedOrder.getPrice()
+ " per room for " + decodedOrder.getSenderId()
+ " by " + decodedOrder.getReceiverId()
+ " at total cost $" + finalPrice
+ " including Location Charge $" + this.locationCharge;
cBuffer.Put(confirmedBooking, n - 1); //Place confirmed booking in the confirmation buffer
}
public void HotelFunc() //Thread Start function.
{ //Changes the price of the room for this hotel
for (Int32 i = 0; i < 100; i++)
{
if (p > 10) //If 10 price cuts have finished, the threads terminates
{
if (priceChange != null)
{
priceChange(0);
}
Thread.CurrentThread.Abort();
}
else
{
Int32 newPrice = rng.Next(500, 1000);
changePrice(newPrice); //Changes price
Thread.Sleep(500);
if (mCellBuffer.getNElement() != 0)
{
String encodedOrder = mCellBuffer.getOneCell(); //Checking the multicell buffer for any orders
if (encodedOrder != null)
{
OrderObject decodedOrder = Decoder.Decrypt(encodedOrder, "ABCDEFGHIJKLMNOP"); //Decrypts the order
Thread orderThread = new Thread(() => this.orderProcessing(decodedOrder)); //Starts order processing parameterized thread with the argument as the order
orderThread.Start();
}
}
}
}
}
private static byte[] ObjectToByteArray(OrderObject obj)
{
if (obj == null)
{
return(null);
}
BinaryFormatter bf = new BinaryFormatter();
using (MemoryStream ms = new MemoryStream())
{
bf.Serialize(ms, obj);
return(ms.ToArray());
}
}
public void bookHotel(String hotel, String agent, Int32 price) // Book Hotel by sending the order information to multi cell buffer
{
//attempt booking
OrderObject oo = new OrderObject();
oo.setSenderId(agent);
oo.setCardNo(rand.Next(2000, 3000));
oo.setNumberRooms(rand.Next(10, 50));
oo.setReceiverId(hotel);
oo.setPrice(price);
oo.setBookingTimeStamp(System.DateTime.Now);
String encodedOrder = Encoder.Encrypt(oo, "ABCDEFGHIJKLMNOP");
Console.WriteLine("{0} will attempt to book {1} having price {2} at: {3}"
, agent, hotel, price, System.DateTime.Now);
mCellBuffer.setOneCell(encodedOrder, oo.getReceiverId());
}
public static string Encrypt(OrderObject input, String key)
{
byte[] inputArray = Encoder.ObjectToByteArray(input);
String result = "";
try
{
TripleDESCryptoServiceProvider tripleDES = new TripleDESCryptoServiceProvider();
tripleDES.Key = UTF8Encoding.UTF8.GetBytes(key);
tripleDES.Mode = CipherMode.ECB;
tripleDES.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = tripleDES.CreateEncryptor();
byte[] resultArray = cTransform.TransformFinalBlock(inputArray, 0, inputArray.Length);
tripleDES.Clear();
result = Convert.ToBase64String(resultArray, 0, resultArray.Length);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return(result);
}
