//place order takes the price per room.
public void placeOrder(int price, string name)
{
lock (this)
{
cardNo = rand.Next(5000, 7000);
amount = rand.Next(1, 5); //it generates a random number of rooms between 1 & 5 to be booked for the thread.
DateTime orderTime = DateTime.Now;
OrderClass o = new OrderClass(SenderID, amount, name, cardNo, price, orderTime); //creates an order using the OrderClass.
encodedOrder = Encoder.Encrypt(o, "ABCDEFGHIJKLMNOP"); // sends the order for encoding.
Program.mb.setOneCell(encodedOrder); //encoded string received and pushed to the empty cell in buffer.
}
}
//order processing thread enters this method.
public void orderProcessing()
{
for (int i = 0; i < 50; i++) //since there are 5 travel agencies to book the rooms for 1 hotel and the price cut event is called 10 times per hotel, there will be a total of 50 bookings per hotel. I have used 2 OrderProcessing threads for 2 different HotelSuppliers
{
string order = Program.mb.getOneCell(); // Gets a cell from the buffer.
OrderClass final = Decoder.Decrypt(order, "ABCDEFGHIJKLMNOP"); //Decode the order and store it in the object.
//card processing, price calculation, time span for each order and sending order confirmation to the TravelAgency by calling orderConfirm event.
if (initialRooms > 0 && final.cardNo >= 5000 && final.cardNo <= 7000)
{
try
{
Monitor.Wait(this);
}
catch (Exception e)
{ }
initialRooms = initialRooms - final.amount;
double total = final.amount * final.price;
double tax = (total * 12) / 100;
double finalprice = Convert.ToDouble(total) + tax;
DateTime orderTime = final.orderTime;
DateTime timeStamp = DateTime.Now;
TimeSpan totTime = timeStamp.Subtract(orderTime);
Console.WriteLine("\n\n*******************************************************************************************************\n\t\t\t\t\t\tOrder Confirmation:\n1. Booking Id: " + (++bookingId) + "\n2. Sender Id: " + final.senderId + "\n3. Receiver Id: " + final.receiverId + "\n4. Number of Rooms: " + final.amount + "\n5. Card Number: " + final.cardNo + "\n6. Unit Price: " + final.price + "\n7. Total Amount to be paid: " + finalprice + "\n*******************************************************************************************************");
count++;
//calling orderConfirm event and sending the confirmation to the TravelAgency.
if (orderConfirm != null)
{
orderConfirm(final.senderId, bookingId, timeStamp, totTime);
}
}
else if (initialRooms > 0)
{
Console.WriteLine("\n\n*******************************************************************************************************\n\t\t\t\t\t\tOrder Confirmation:\n1. Booking Id: " + (++bookingId) + "\nCredit Card Number is not correct\n*******************************************************************************************************");
}
else
{
Console.WriteLine("\n\n*******************************************************************************************************\n\t\t\t\t\t\tOrder Confirmation:\n1.Booking Id: " + (++bookingId) + "\nNot enough rooms available in " + receiverID + "\n*******************************************************************************************************");
}
//Thread.CurrentThread.Join();
}
}
public static OrderClass Decrypt(String input, string key)
{
Byte[] inputArray = Convert.FromBase64String(input);
TripleDESCryptoServiceProvider tripleDES = new TripleDESCryptoServiceProvider();
tripleDES.Key = UTF8Encoding.UTF8.GetBytes(key);
tripleDES.Mode = CipherMode.ECB;
tripleDES.Padding = PaddingMode.PKCS7;
ICryptoTransform cTransform = tripleDES.CreateDecryptor();
Byte[] resultArray = cTransform.TransformFinalBlock(inputArray, 0, inputArray.Length);
tripleDES.Clear();
string result = UTF8Encoding.UTF8.GetString(resultArray);
string[] res = result.Split(',');
DateTime od = Convert.ToDateTime(res[5]);
OrderClass obj = new OrderClass(res[0], Convert.ToInt32(res[1]), res[2], Convert.ToInt32(res[3]), Convert.ToInt32(res[4]), od);
return(obj);
}
